CN106530392A - Method and system for interactive display of cultivation culture virtual scene - Google Patents

Abstract

The present invention provides a method and system for interactive display of farming culture virtual scenes, including: obtaining farming knowledge and classifying and storing; establishing multiple classified databases and three-dimensional models; respectively forming correspondence between multiple classified databases and multiple Correspondence between a classification database and a 3D model; display a 3D model with a trigger condition, trigger and play the farming knowledge corresponding to the trigger condition in the classification database corresponding to the 3D model; input trigger information to trigger the setting in the 3D model event, playing the relevant farming knowledge in the classification database corresponding to the 3D model. The invention realizes the reappearance of the traditional farming culture scene, and uses the three-dimensional modeling technology to reproduce the object as a 3D model to increase the three-dimensional effect and make the picture more substantial; at the same time, the vividness and realism brought by the interactive technology can greatly improve the interest of the audience , to inspire the audience to understand and explore the content of the scene, and improve the usability and timeliness of the system.

Description

A method and system for interactive display of farming culture virtual scenes

technical field

The invention relates to the technical field of three-dimensional modeling, in particular to a method and system for interactively displaying virtual scenes of farming culture.

Background technique

Since ancient times, China has been founded on agriculture, and farming and animal husbandry have lasted for tens of thousands of years, creating a rich and brilliant farming culture. As an important part of farming culture, farming methods have gradually formed many typical farming methods through the long development of Chinese agricultural history, incorporating the characteristics of ethnic diversity and geographical diversity. These farming methods are the accumulation of historical experience and the crystallization of the wisdom of the working people. They reflect the development and transformation of Chinese farming methods, and have a certain reference and guiding effect on the study of farming history, the inheritance of agricultural civilization, and people's life and production. .

Now that we have entered the information age, avoiding a single and inefficient way of cultural transmission, and combining farming civilization with computer technology is more conducive to recording traditional Chinese culture. Virtual reality technology is one of the computer technologies that are widely used and have a bright future. 3D modeling technology has made great contributions to the fields of relic protection, cultural communication, and scene design.

However, the current methods of spreading farming culture are limited, and the restrictions on time and space are relatively large, which brings certain difficulties for people to understand and inherit farming culture. There are also the problems of dissemination of farming culture sticking to words and pictures and the reproduction of historical and cultural scenes without real scene reference.

Contents of the invention

In order to solve the above problems, the present invention provides a method and system for interactive display of virtual scenes of farming culture; using virtual reality three-dimensional modeling technology to reproduce the farming scenes of typical farming methods, and display relevant knowledge of farm tools in combination with video, audio and interactive technologies, It can not only simulate vivid farming scenes by means of virtual reality, fill in the vacancy of the recording method, but also interact with visitors, and introduce farming culture to the audience with realistic effects.

To achieve the above object, the present invention provides the following technical solutions:

On the one hand, the present invention provides a method for interactive display of a farming culture virtual scene, including:

Obtain farming knowledge and classify and store the acquired farming knowledge according to text, image, audio and video, and establish a virtual farming scene based on the acquired farming knowledge;

Establish a plurality of classification databases according to the agricultural knowledge stored in classification, and form the corresponding relationship between each classification database through the first type of script, wherein the plurality of classification databases include: a text database, an image database, an audio database and a video database;

Establish a 3D model library based on the acquired farming knowledge, where the 3D model library includes: a 3D model of the farming technique scene and a 3D model of the farm tool display scene;

On the basis of the virtual farming scene, load the three-dimensional model of the farming technique scene and the three-dimensional model of the agricultural tool display scene, and form the corresponding relationship between the three-dimensional model library and each classification database through the second type of script;

displaying the three-dimensional model with a trigger condition, and if the trigger condition is met during the display process, playing the farming knowledge corresponding to the trigger condition in the classification database corresponding to the three-dimensional model through a second type of script;

The trigger information input through the input device triggers the setting event set in the three-dimensional model, and the related farming knowledge in the classification database corresponding to the three-dimensional model is played through the second type of script.

Further, the step of establishing a three-dimensional model library according to the acquired farming knowledge further includes:

According to the modeling tool, the 3D model is generated as a 3D model animation in the form of key frame animation and stored in a video database.

Further, the step of establishing a plurality of classified databases according to the classified and stored farming knowledge, and forming the corresponding relationship between the classified databases through the first type of script includes:

Audio recording is performed on the data in the text database, and the recorded audio data is saved in the audio database.

Further, the 3D model with the trigger condition is displayed, and if the trigger condition is satisfied during the display process, the 3D model in the classification database corresponding to the 3D model and corresponding to the trigger condition is played through the second type of script. The steps of farming knowledge include:

Setting the camera and its moving path, moving speed and moving time in the virtual farming scene, so that the camera roams automatically in the virtual farming scene;

Adding collision detection to the virtual farming scene to avoid crossing or intersecting between the camera and the three-dimensional model;

The camera triggers a corresponding event, and plays relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script;

Set automatic display control and display time control in the agricultural tool display scene, the 3D model of the agricultural tool display scene is rotated, enlarged, reduced and reset according to the preset action, and the next 3D model of the agricultural tool display scene is automatically switched according to the preset time; through the second type of script The three-dimensional model of the display scene of the agricultural implements displayed by playing corresponds to the relevant agricultural knowledge in the classification database.

Further, the trigger information input through the input device triggers the setting event set in the 3D model, and the step of playing the relevant farming knowledge in the classification database corresponding to the 3D model through the second type of script includes:

Create a virtual character in the virtual farming scene and make the visitor have the perspective of the virtual character, and make the virtual character roam in the virtual farming scene through an input device;

Adding collision detection to the virtual farming scene to avoid crossing or intersecting between the virtual character and the three-dimensional model;

The avatar triggers a setting event, and plays relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script;

Set the control button in the farm tool display scene, through the control button, the 3D model of the farm tool display scene can be zoomed in, zoomed out, rotated and reset, and the playing farming knowledge can also be controlled through the control button; the input device also provides the display of the farm tool display scene Drag and drop of 3D models.

On the other hand, the present invention provides a system for interactive display of farming culture virtual scenes, including:

The acquisition module is used to acquire farming knowledge and classify and store the acquired farming knowledge according to text, image, audio and video, and establish a virtual farming scene according to the acquired farming knowledge;

The database module is used to establish a plurality of classification databases according to the agricultural knowledge stored in classification, and form the corresponding relationship between each classification database through the first type of script, wherein the plurality of classification databases include: text database, image database, audio database and video databases;

The modeling module is used to establish a 3D model library according to the acquired farming knowledge, wherein the 3D model library includes: a 3D model of the farming technique scene and a 3D model of the farm tool display scene;

Constructing a scene module, which is used to load the three-dimensional model of the farming technique scene and the three-dimensional model of the farm tool display scene on the basis of the virtual farming scene, and form the corresponding relationship between the three-dimensional model library and each classification database through the second type of script;

The automatic display module is used to display the 3D model with a trigger condition. If the trigger condition is met during the display process, the second type of script is used to play the 3D model in the classification database corresponding to the 3D model and the trigger Farming knowledge corresponding to the conditions;

The interaction module is used to trigger the setting event set in the 3D model through the trigger information input by the input device, and play the relevant farming knowledge in the classification database corresponding to the 3D model through the second type of script.

Further, the system also includes:

The animation generation module is used to generate a 3D model animation from the 3D model in the form of key frame animation according to the modeling tool and save it in the video database.

Further, the database module includes:

The conversion unit is used for audio recording the data in the character database, and saving the recorded audio data into the audio database.

Further, the automatic display module includes:

An automatic display unit, configured to set the camera and its moving path, moving speed and moving time in the virtual farming scene, so that the camera roams automatically in the virtual farming scene;

A first collision detection unit, configured to add collision detection to the virtual farming scene, so as to prevent the camera and the 3D model from crossing or intersecting each other;

The first trigger unit is used for the camera to trigger a corresponding event, and play the relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script;

The first agricultural tool display unit is used to set automatic display control and display time control in the agricultural tool display scene. The 3D model of the agricultural tool display scene is rotated, enlarged, reduced and reset according to preset actions, and the next agricultural tool display scene is automatically switched according to the preset time. Three-dimensional model: the three-dimensional model of the display scene of the farm tool displayed through the second type of script corresponds to the relevant farming knowledge in the classification database.

Further, the interactive module includes:

An interactive display unit, used to create a virtual character in the virtual farming scene and allow visitors to have a perspective of the virtual character, and make the virtual character roam in the virtual farming scene through an input device;

The second collision detection unit is used to add collision detection to the virtual farming scene, so as to avoid crossing or intersecting between the virtual character and the three-dimensional model;

The second trigger unit is used for the avatar to trigger a setting event, and play the relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script;

The second agricultural tool display unit is provided with control buttons in the agricultural tool display scene, through which the three-dimensional model of the displayed agricultural tool display scene can be enlarged, reduced, rotated and reset controlled, and the farming knowledge played can also be controlled through the control buttons; the input device It also provides dragging and dropping of the 3D model of the agricultural tool display scene.

It can be known from the above technical solution that the method and system for interactive display of a farming culture virtual scene described in the present invention realizes the vivid reproduction of the traditional farming culture scene with virtual reality technology, and provides a basis for the visualization of the virtual scene; The 3D modeling technology reproduces the object as a 3D model to increase the three-dimensional sense and make the picture more substantial; at the same time, the vividness and reality brought by the interactive technology can greatly increase the interest of the audience and stimulate the audience to understand and explore the content of the scene. This plays a role in explaining and disseminating farming culture; it surpasses cultural communication methods such as two-dimensional animation and video, and improves the usability and timeliness of the virtual museum system.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are For some embodiments of the present invention, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic flowchart of a method for interactively displaying a farming culture virtual scene provided by Embodiment 1 of the present invention;

Fig. 2 is a schematic flowchart of a method for interactively displaying a farming culture virtual scene provided by Embodiment 2 of the present invention;

FIG. 3 is a schematic flowchart of a specific implementation manner of step S106 in the embodiment of the present invention;

Fig. 4 is a schematic flow chart of a specific implementation manner of step S107 in the embodiment of the present invention;

Fig. 5 is a schematic structural diagram of a system for interactively displaying a farming culture virtual scene provided by the present invention.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Farming methods are an important part of farming culture. These farming methods are the accumulation of historical experience and the crystallization of the wisdom of the working people. They reflect the development and transformation of Chinese farming methods, the study of farming history, the inheritance of agricultural civilization and people's Life and production have a certain reference and guiding role. Now that we have entered the information age, avoiding a single and inefficient way of cultural transmission, and combining farming civilization with computer technology is more conducive to recording traditional Chinese culture. However, the current methods of spreading farming culture are limited, and the restrictions on time and space are relatively large, which brings certain difficulties for people to understand and inherit farming culture. There are also the problems of dissemination of farming culture sticking to words and pictures and the reproduction of historical and cultural scenes without real scene reference. In order to solve the above problems, the present invention provides a method and system for interactive display of farming culture virtual scenes.

Embodiment 1 of the present invention provides a method for interactive display of a farming culture virtual scene, see Figure 1, the method specifically includes the following steps:

S101: Obtain farming knowledge and classify and store the acquired farming knowledge according to text, image, audio and video, and establish a virtual farming scene according to the acquired farming knowledge;

In this step, collect and consult data, and collect and measure typical agricultural tools' usage, usage principles and structural data. Collection methods include books, documents, video materials, audio recordings, consultations, exhibition visits, and online inquiries, and collection methods include excerpt records, copy backups, and recordings. Data types include text, images, audio, video, and more.

Integrate the data collected from agricultural knowledge, and classify and store the data obtained through excerpt records, copy backup, recording and other means according to the type of data, integrate them into text, image, audio and video data, and enter them into the computer in sequence.

Establish a virtual display scene, plan, design and arrange the content of the virtual display scene based on the obtained images, video records and written records, and plan according to the traditional farming scenes and typical farming techniques described in the data, by region and dynasty Scene, design corresponding display content, consider water conservancy, farming, textile, animal husbandry and other aspects, arrange farming techniques with inheritance significance and far-reaching influence on future generations as important content of scene display, and form the final scene display The design plan, including the text description and design image of the virtual scene.

S102: Establish multiple classified databases according to the classified and stored agricultural knowledge, and form the corresponding relationship between the classified databases through the first type of script, wherein the multiple classified databases include: text database, image database, audio database and video database ;

In this step, use audio recording software to record the established text database, or manually record it, and save the recorded audio to the audio database, and form a corresponding relationship between the audio database and the text database through the first script, as Audio and subtitles of typical farming techniques introduced in the scene.

S103: Establish a 3D model library according to the acquired farming knowledge, wherein the 3D model library includes: a 3D model of the farming technique scene and a 3D model of the farm tool display scene;

In this step, based on farming knowledge, a three-dimensional model is made for the object to be modeled.

Use audio recording software to record the text database, or manually record it, and save the recorded audio to the audio database, forming a corresponding relationship with the text database, as the audio and subtitles for the introduction of typical farming techniques in the scene.

Construct a virtual display scene of traditional farming culture through Unity3D software, including the creation of terrain and surface and texture mapping, the addition of lights and cameras in the scene, the simulation of regions and dynastic environments, the setting of 3D model positions, the setting of animations, and the setting of background music Add, system menu, page layout and settings, etc. The scene is constructed sequentially from part to whole according to the content of the arrangement, as the premise of the display.

The production of 3D models of farming scenes and farming tools, including: model establishment, texture mapping, shading treatment, animation generation and establishment of corresponding model libraries. in:

Model establishment, using modeling tools such as 3DS MAX to carry out three-dimensional modeling of the object to be modeled, and the modeling of agricultural tools is an important part of the object modeling part. Query the style and size of the farm tool from the established farm tool database, set the unit ratio in the modeling software, and build a three-dimensional model of the farm tool according to the data. A principle is followed in the modeling process: under the premise of ensuring that the visual objects are not distorted, try to use the simplest model. The style size of the agricultural implement in the agricultural implement database refers to the actual size and structure of the agricultural implement and the actual dimensions of the corresponding parts. The agricultural knowledge data that needs to be modeled includes agricultural tools, animals, plants, buildings, etc., and corresponding water effects, weather effects such as wind, rain, thunder, lightning, fog, and common natural scenery.

Texture mapping, observe and obtain the texture appearance of the object from the established image database, process the real two-dimensional picture into a texture pattern or use image processing software such as Photoshop to draw a virtual and realistic texture pattern, establish a material database, and then process it The material image is saved to the material database in a material format compatible with the modeling software for use by the modeling software. Add texture to the created model, extract texture pictures from the above-mentioned material database, and overlay them as materials on the 3D model in sequence and structure to complete the texture mapping. The images obtained from the image database are close-up photos of objects, including two-dimensional characteristic photos or three-dimensional scanned pictures.

Shading processing, based on the above operations, set the transparency, brightness, exposure, diffuse reflection and other parameters of the 3D model and its material that have completed the texture mapping, so that the material is attached to the model to produce a certain light effect and increase the realism of the model .

Animation generation, based on the 3D static model of the above object, set key frames for the key parts of the object shape according to the data, use the modeling tool to generate the animation clips of the 3D model by means of key frame animation, and export them as Unity3D compatible according to the above design scheme Animated animation model format or recorded as video format, classified and stored in the model library and video database. The content of the above-mentioned animation includes the action form of animals, the schematic animation of the use principle of farm tools, the animation of the farming process, and the schematic animation of typical farming techniques.

The establishment of the corresponding model library, based on the above operations, classifies the completed models, specifically the 3D farm tool model and the farming scene model, establishes the farm tool model library and the farming scene model library, and saves the above models in a Unity3D compatible model format to in the two model libraries.

S105: On the basis of the virtual farming scene, load the three-dimensional model of the farming technique scene and the three-dimensional model of the farm tool display scene, and form the corresponding relationship between the three-dimensional model library and each classification database through the second type of script;

In this step, on the basis of the virtual display scene, the environmental requirements of the different farming scenes arranged are used as external functions, and the second type of script is loaded and obtained from the established agricultural tool database, text database, image database, audio database, and video database. and 3D model database to retrieve data and models.

S106: Display the 3D model with a trigger condition, and if the trigger condition is met during the display process, play the farming corresponding to the trigger condition in the classification database corresponding to the 3D model through the second type of script Knowledge;

In this step, set the path, moving speed and moving time of the acquisition device in the 3D model to enable the acquisition device to roam automatically in the 3D model; then set the collision detection device in the 3D model to prevent virtual objects in the farming scene from crossing or Intersect with each other; when the acquisition device roams to a preset location and triggers a corresponding event, it plays the farming knowledge corresponding to the farming scene in the three-dimensional model in the classification database.

On the basis of the virtual display scene of traditional farming culture and farming skills, set the camera path, control the moving speed and time of the camera, complete the automatic roaming of the camera in the scene, add other cameras and control them at the same time, and display them in the form of a small window The positional relationship between the roaming camera and the overall scene; with collision detection technology, some objects in the scene cannot pass through or cross each other, which increases the realism of the scene and makes the virtual scene more suitable for the real natural situation. Add trigger events for some models, and control the playback of video and audio. When the camera moves to the skill to be introduced, the corresponding event will be triggered, and the audio and video materials of the skill will be played, accompanied by subtitles, to complete the cultural skills. Publicity introduction; this part is also responsible for rendering the virtual scene of traditional farming culture, adding the environment in the scene, the object model visible in the current viewport, lighting, light and shade settings, shadows, etc. to the rendering queue in sequence, rendering the scene according to the sequence of the queue and show it.

In the constructed farm tool model display scene, the farm tool models are sequentially loaded into the display queue according to the codes in the model library to ensure the continuity of the farm tool model display; automatic display control and time control are implemented in the farm tool display scene, so that the farm tools can be arranged according to the arrangement in the scene Automatically carry out rotation, partial zoom-in, overall display and other aspects of display, and automatically rotate the next farm tool model according to the set time to complete the replacement display of farm tool models; control the playback of audio and video in the farm tool model display scene, so that The audio and video data of the corresponding farm tools can be synchronized with the replacement of the farm tool models and played automatically; finally, the menu, environment and farm tool models in the scene are loaded into the rendering queue, and the farm tool model display scene is rendered to complete the farm tool model in the farm tool model library. display.

S107: triggering a set event set in the 3D model through trigger information input by an input device, and playing relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script.

In this step, control the movement of the virtual characters in the 3D model and view the farming scene through the input device; then set the collision detection device in the 3D model to avoid the virtual objects in the farming scene passing through or intersecting each other; when the 3D model The avatar triggers a set event and plays the farming knowledge corresponding to the farming scene in the three-dimensional model in the classification database.

Add artificial roaming technology to the generated virtual scene, improve the collision detection technology in the scene, add the first character in the scene, and bind the main camera to the first character; in this module, the user uses The virtual first character roams in the scene, controls the direction of view through the mouse, moves forward, backward, left and right in the scene through the buttons set by the system, sets the moving speed of the character through parameters, and uses collision detection Ensure that the virtual character cannot pass through the scene set in the scene; the user can click the left mouse button to select the forward position, and the system will obtain the coordinates of the virtual character and the coordinates selected by the user in real time, and automatically generate a roaming path. The movement speed completes the displacement, so that the user can roam and observe in the scene as the first virtual character; when the virtual character controlled by the user is close to the typical farming skills that can be displayed in the scene, a set event is triggered, and the corresponding part is displayed with a color change and The other parts of the scene are distinguished from each other to attract the user's attention. Click on this part, and the promotional video and audio of the corresponding farming techniques will be played with subtitles.

Control the effect in the generated virtual farm tool display scene, add control buttons such as rotation, zoom in and zoom out, and when the system does not obtain user operations, the farm tool viewing part will be displayed in the same way as the above farm tool display part, that is, the farm tool automatically rotates and displays , the audio and video are played synchronously; when the user clicks the rotation or zoom-in button, it will automatically respond to the user's operation according to the set parameters; The coordinates of two points when the mouse is clicked and released, calculate the distance relationship between the two points, and control the farm tool model to make a rotation response according to the calculated direction angle, so that the user can carefully observe the farm tool; according to the video and audio control button selected by the user, Control the display of agricultural tool introduction materials, so that users can understand the relevant knowledge of agricultural tools.

The farm tool model display control buttons include: up and down rotation, left and right rotation, front and rear rotation, zoom in, zoom out, and reset buttons.

Video and audio control buttons include: play button, pause button, stop button.

System setting parameters include: agricultural tool rotation time, direction, angle and speed, playback speed of audio, video and subtitles.

All scene display modules (virtual scene display, agricultural tool display, scene roaming, and agricultural tool viewing) are equipped with appropriate background music, controlled by set parameters, and the parameters include the volume, playing time, and speed of the background music.

The display information of the agricultural tool model includes: the name of the agricultural tool, its classification, the dynasty and region where it was invented, its development history, its structure, its material, its practical occasions, its uses, its advantages, etc.

The introduction information of traditional farming techniques covers: name, generation background, category, generation dynasty, region, development history, structure, use, core technology, skill, scientificity, inspiration and influence on later generations, etc.

Traditional farming culture virtual scene interactive display system and its implementation method, the traditional farming culture virtual scene includes traditional textile culture, traditional animal husbandry culture, traditional farming culture, traditional farming culture, and various agricultural tools invented with the generation and development of culture , fishing gear and breeding, planting tools, etc.

From the above description, it can be seen that in this embodiment, the traditional farming culture scene is realistically reproduced through virtual reality technology, which provides the basis for the visualization of the virtual scene; the intelligent interaction technology is added in the form of three-dimensional modeling, which surpasses the two-dimensional animation, video, etc. Cultural dissemination methods, put forward more innovative cultural experience and inheritance methods. In addition, the present invention vividly displays the traditional farming culture scenes, allowing users to intuitively experience the generation and significance of farming culture while watching and operating, and achieve the purpose of cultural communication in an entertaining and educational way, which has great advantages. High practical value and promotion value.

Embodiment 2 of the present invention provides a method for interactively displaying a farming culture virtual scene. Referring to FIG. 2, the following steps are also included after the above step S103:

S104: According to the modeling tool, generate a 3D model animation from the 3D model in the form of key frame animation and save it in a video database.

In this step, by forming the established 3D model into a 3D animation, the video data can be improved and the playing content of the video database can be enriched.

It can be seen from the above description that the display method in this embodiment can produce 3D videos based on farming knowledge, convert text materials into video materials, and play them in 3D animation to enhance the sense of sight.

In an optional implementation manner, a specific implementation manner of the above step S106 is provided. Referring to FIG. 3, the above step S106 specifically includes the following steps:

S201: Setting the camera and its moving path, moving speed and moving time in the virtual farming scene, so that the camera roams automatically in the virtual farming scene;

In this step, on the basis of the virtual display scene of traditional farming culture and farming skills, the camera path is set, the moving speed and time of the camera are controlled, the automatic roaming of the camera in the scene is completed, and other cameras are added and controlled at the same time. Display the positional relationship between the roaming camera and the overall scene in the form of a small window.

S202: Adding collision detection to the virtual farming scene to prevent the camera and the 3D model from crossing or intersecting each other;

In this step, collision detection technology is applied so that some objects in the scene cannot pass through or intersect with each other, so as to increase the sense of reality of the scene and make the virtual scene more suitable for real natural conditions.

S203: The camera triggers a corresponding event, and plays the relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script;

In this step, add trigger events for some models, and control the playback of video and audio. When the camera moves to the skill to be introduced, the corresponding event will be triggered, and the audio and video materials of the skill will be played, accompanied by subtitles. Complete the promotion and introduction of cultural skills; this part is also responsible for rendering the virtual scene of traditional farming culture, adding the environment in the scene, the object model visible in the current viewport, lighting, light and shade settings, shadows, etc. to the rendering queue in sequence, according to the sequence of the queue Render the scene and display it.

S204: Set automatic display control and display time control in the agricultural tool display scene, the 3D model of the agricultural tool display scene is rotated, enlarged, reduced, and reset according to preset actions, and the next 3D model of the agricultural tool display scene is automatically switched according to the preset time; through the second The three-dimensional model of the display scene of the agricultural tools displayed by the class script corresponds to the relevant agricultural knowledge in the classification database.

In this step, the farm tool models are sequentially loaded into the display queue according to the codes in the model library to ensure the continuity of the farm tool model display; automatic display control and time control are added to the farm tool display scene, so that the farm tools can be automatically displayed in the scene according to the arrangement Rotation, partial zoom-in, overall display and other aspects of display, and automatically rotate the next farm tool model according to the set time to complete the replacement display of the farm tool model; control the playback of audio and video in the farm tool model display scene, so that the corresponding farm tool The audio and video data can be synchronized with the replacement of farm tool models and played automatically; finally, the menu, environment and farm tool models in the scene are loaded into the rendering queue, and the farm tool model display scene is rendered to complete the display of the farm tool models in the farm tool model library .

As can be seen from the above description, the method for interactive display of the farming culture virtual scene in this embodiment realizes the vivid reproduction of the traditional farming culture scene with virtual reality technology, and provides a basis for the visualization of the virtual scene; Reproduce adds a three-dimensional effect to the 3D model and makes the picture more substantial.

In an optional implementation manner, a specific implementation manner of the above step S107 is provided. Referring to FIG. 4, the above step S107 specifically includes the following steps:

S301: Create a virtual character in the virtual farming scene and allow visitors to have a perspective of the virtual character, and make the virtual character roam in the virtual farming scene through an input device;

In this step, the first character is added to the scene, and the main camera is bound to the first character; in this module, the user roams in the scene with the virtual first character, Control the direction of the viewing angle, move forward, backward, left, and right in the scene through the buttons set by the system, and set the movement speed of the character through parameters.

S302: Add collision detection to the virtual farming scene to avoid crossing or intersecting between the virtual character and the 3D model;

In this step, collision detection technology is applied so that some objects in the scene cannot pass through or intersect with each other, so as to increase the sense of reality of the scene and make the virtual scene more suitable for real natural conditions. Use collision detection to ensure that the virtual character cannot pass through the scene set in the scene.

S303: The avatar triggers a setting event, and plays relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script;

In this step, the user can click the forward position by clicking the left button of the mouse, and the system will obtain the coordinates of the virtual character and the coordinates selected by the user in real time, and automatically generate a roaming path. The virtual character will complete the displacement according to the moving speed set by the system, so that the user can Use the virtual first character to roam and observe the scene; when the virtual character controlled by the user is close to the typical farming skills that can be displayed in the scene, a set event is triggered, and the corresponding part is distinguished from other parts of the scene by color change, causing the user to Note that if you click this part, the promotional video and audio of the corresponding farming techniques will be played with subtitles.

S304: Set control buttons in the farm tool display scene, and control the 3D model of the displayed farm tool display scene through the control buttons to zoom in, zoom out, rotate and reset, and control the playing of farming knowledge through the control buttons; the input device also provides the farm tool Show the drag and drop of the 3D model of the scene.

In this step, control effects are added to the generated virtual farm tool display scene, and control buttons such as rotation, zoom in and zoom out are added. When the system does not obtain user operations, the farm tool viewing part will be displayed in the same way as the above farm tool display part. That is, the agricultural tools are automatically rotated and displayed, and the audio and video are played synchronously; when the user clicks the rotation or zoom-in button, it automatically responds to the user's operation according to the set parameters; The coordinates of two points when the user clicks and releases the mouse on the farm tool model, calculates the distance relationship between the two points, and controls the farm tool model to make a rotation response according to the calculated direction angle, so that the user can observe the farm tool carefully; according to the user's click The video and audio control buttons control the display of agricultural tool introduction materials, so that users can understand the relevant knowledge of agricultural tools.

As can be seen from the above description, the method for interactive display of farming culture virtual scenes in this embodiment, while incorporating the vividness and realism brought by interactive technology, can greatly increase the interest of the audience and stimulate the audience to understand and explore the content of the scene. To explain and disseminate farming culture; beyond the two-dimensional animation, video and other cultural communication methods, improve the usability and timeliness of the virtual museum system.

Furthermore, Embodiment 3 of the present invention provides a system for interactively displaying a farming culture virtual scene. Referring to Fig. 5, the system of the present invention specifically includes the following contents:

The acquisition module is used to acquire farming knowledge and classify and store the acquired farming knowledge according to text, image, audio and video, and establish a virtual farming scene according to the acquired farming knowledge;

The database module is used to establish a plurality of classification databases according to the agricultural knowledge stored in classification, and form the corresponding relationship between each classification database through the first type of script, wherein the plurality of classification databases include: text database, image database, audio database and video databases;

The modeling module is used to establish a 3D model library according to the acquired farming knowledge, wherein the 3D model library includes: a 3D model of the farming technique scene and a 3D model of the farm tool display scene;

Constructing a scene module, which is used to load the three-dimensional model of the farming technique scene and the three-dimensional model of the farm tool display scene on the basis of the virtual farming scene, and form the corresponding relationship between the three-dimensional model library and each classification database through the second type of script;

The automatic display module is used to display the 3D model with a trigger condition. If the trigger condition is met during the display process, the second type of script is used to play the 3D model in the classification database corresponding to the 3D model and the trigger Farming knowledge corresponding to the conditions;

The interaction module is used to trigger the setting event set in the 3D model through the trigger information input by the input device, and play the relevant farming knowledge in the classification database corresponding to the 3D model through the second type of script.

Further, the system also includes:

The animation generation module is used to generate a 3D model animation from the 3D model in the form of key frame animation according to the modeling tool and save it in the video database.

Further, the database module includes:

The conversion unit is used for audio recording the data in the character database, and saving the recorded audio data into the audio database.

Further, the automatic display module includes:

An automatic display unit, configured to set the camera and its moving path, moving speed and moving time in the virtual farming scene, so that the camera roams automatically in the virtual farming scene;

A first collision detection unit, configured to add collision detection to the virtual farming scene, so as to prevent the camera and the 3D model from crossing or intersecting each other;

The first trigger unit is used for the camera to trigger a corresponding event, and play the relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script;

The first agricultural tool display unit is used to set automatic display control and display time control in the agricultural tool display scene. The 3D model of the agricultural tool display scene is rotated, enlarged, reduced and reset according to preset actions, and the next agricultural tool display scene is automatically switched according to the preset time. Three-dimensional model: the three-dimensional model of the display scene of the farm tool displayed through the second type of script corresponds to the relevant farming knowledge in the classification database.

Further, the interactive module includes:

An interactive display unit, used to create a virtual character in the virtual farming scene and allow visitors to have a perspective of the virtual character, and make the virtual character roam in the virtual farming scene through an input device;

The second collision detection unit is used to add collision detection to the virtual farming scene, so as to avoid crossing or intersecting between the virtual character and the three-dimensional model;

The second trigger unit is used for the avatar to trigger a setting event, and play the relevant farming knowledge in the classification database corresponding to the 3D model through a second type of script;

The second agricultural tool display unit is provided with control buttons in the agricultural tool display scene, and the three-dimensional model of the displayed agricultural tool display scene is controlled by the control button to zoom in, zoom out, rotate and reset, and the farming knowledge played can also be controlled by the control button; the input device It also provides dragging and dropping of the 3D model of the agricultural tool display scene.

The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: it can still be described in the foregoing embodiments Modifications are made to the recorded technical solutions, or equivalent replacements are made to some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims (10)

1. a kind of method of Farming Culture virtual scene interaction display, it is characterised in that methods described comprises the steps：

Obtaining agro-farming knowledge simultaneously carries out classification storage by the agro-farming knowledge of acquisition according to word, image, Voice ＆ Video, according to obtaining The agro-farming knowledge for taking sets up virtual agro-farming scene；

Multiple taxonomy databases are set up according to the agro-farming knowledge of classification storage, each taxonomy database phase is formed by first kind script Corresponding relation between mutually, wherein the plurality of taxonomy database include：Lteral data storehouse, image data base, audio database And video database；

Agro-farming knowledge according to obtaining sets up 3 d model library, and wherein 3 d model library includes：Agro-farming skill scene threedimensional model Show scene threedimensional model with farm implements；

On the basis of the virtual agro-farming scene, loading agro-farming skill scene threedimensional model and farm implements show scene three-dimensional mould Type, forms the corresponding relation between the 3 d model library and each taxonomy database by Equations of The Second Kind script；

Displaying is provided with the threedimensional model of trigger condition, if meeting the trigger condition during displaying, by second Class script plays the corresponding agro-farming knowledge of in taxonomy database corresponding with the threedimensional model and described trigger condition；

The setting event arranged in the threedimensional model is triggered by the trigger message that input equipment is input into, by Equations of The Second Kind script Related agro-farming knowledge in the broadcasting taxonomy database corresponding to the threedimensional model.

2. method according to claim 1, it is characterised in that described that three-dimensional mould is set up according to the agro-farming knowledge of the acquisition The step of type storehouse, also include afterwards：

According to modeling tool, the threedimensional model is generated into threedimensional model animation in the form of key-frame animation and is preserved to video In data base.

3. method according to claim 1, it is characterised in that the agro-farming knowledge according to classification storage sets up multiple points Class data base, includes the step of form each taxonomy database corresponding relation each other by first kind script：

Data in the lteral data storehouse are carried out into audio recording, and the voice data of recording is preserved to audio database In.

4. method according to claim 1, it is characterised in that displaying is provided with the threedimensional model of trigger condition, in exhibition If meeting the trigger condition during showing, taxonomy database corresponding with the threedimensional model is played by Equations of The Second Kind script In and include the step of the trigger condition corresponding agro-farming knowledge：

Video camera and its mobile route, translational speed and traveling time are set in the virtual agro-farming scene, make video camera exist Automatic roaming in the virtual agro-farming scene；

Collision detection is added in the virtual agro-farming scene, it is to avoid mutually pass through or phase between video camera and the threedimensional model Mutually intersect；

The video camera triggers corresponding event, plays the categorical data corresponding with the threedimensional model by Equations of The Second Kind script Related agro-farming knowledge in storehouse；

Show the control of scene setting automatic Display in farm implements and show time control, farm implements show scene threedimensional model according to default Action carries out rotating, amplify, reduce and resetting, and shows scene threedimensional model according to the next farm implements of Preset Time automatic switchover； The farm implements for showing are played by Equations of The Second Kind script shows the related agro-farming in the taxonomy database of scene threedimensional model correspondence Knowledge.

5. method according to claim 1, it is characterised in that described that institute is triggered by the trigger message that input equipment is input into The setting event arranged in stating threedimensional model, plays the categorical data corresponding with the threedimensional model by Equations of The Second Kind script Include the step of related agro-farming knowledge in storehouse：

Virtual portrait is created in the virtual agro-farming scene and makes visitor possess the visual angle of virtual portrait, by input equipment Virtual portrait is made to roam in the virtual agro-farming scene；

Collision detection is added in the virtual agro-farming scene, it is to avoid mutual between the virtual portrait and the threedimensional model Pass through or intersect；

The virtual portrait triggers setting event, plays the classification number corresponding with the threedimensional model by Equations of The Second Kind script According to agro-farming knowledge related in storehouse；

Show scene setting control knob in farm implements, scene threedimensional model is put to be shown to the farm implements for showing by control knob Greatly, reduce, rotation and reset are controlled, the agro-farming knowledge played can also be controlled by control knob；Input equipment is also The dragging that farm implements are shown with scene threedimensional model is provided.

6. a kind of system of Farming Culture virtual scene interaction display, it is characterised in that the system includes：

Acquisition module, for obtaining agro-farming knowledge and carrying out point the agro-farming knowledge of acquisition according to word, image, Voice ＆ Video Class is stored, and sets up virtual agro-farming scene according to the agro-farming knowledge for obtaining；

DBM, for setting up multiple taxonomy databases according to the agro-farming knowledge of classification storage, by first kind script shape Into each taxonomy database corresponding relation each other, wherein the plurality of taxonomy database includes：Lteral data storehouse, picture number According to storehouse, audio database and video database；

MBM, for setting up 3 d model library according to the agro-farming knowledge for obtaining, wherein 3 d model library includes：Agro-farming skill Scene threedimensional model and farm implements show scene threedimensional model；

Scene module is built, for, on the basis of the virtual agro-farming scene, loading agro-farming skill scene threedimensional model and agriculture Tool shows scene threedimensional model, forms corresponding between the 3 d model library and each taxonomy database by Equations of The Second Kind script Relation；

Automatic Display module, for showing the threedimensional model for being provided with trigger condition, if meet described touching during displaying Clockwork spring part, then play in taxonomy database corresponding with the threedimensional model and described trigger condition pair by Equations of The Second Kind script The agro-farming knowledge answered；

Interactive module, the trigger message for being input into by input equipment trigger the setting event arranged in the threedimensional model, Agro-farming knowledge related in the taxonomy database corresponding to the threedimensional model is played by Equations of The Second Kind script.

7. system according to claim 6, it is characterised in that the system also includes：

Animation producing module, for according to modeling tool, generating three-dimensional mould by the threedimensional model in the form of key-frame animation Type animation is simultaneously preserved into video database.

8. system according to claim 6, it is characterised in that the DBM includes：

Converting unit, for the data in the lteral data storehouse are carried out audio recording, and the voice data recorded is preserved Into audio database.

9. system according to claim 6, it is characterised in that the automatic Display module includes：

Automatic Display unit, for arranging video camera and its mobile route, translational speed and shifting in the virtual agro-farming scene The dynamic time, make video camera automatic roaming in the virtual agro-farming scene；

First collision detection unit, for adding collision detection, it is to avoid video camera and described three in the virtual agro-farming scene Mutually pass through between dimension module or intersect；

First trigger element, triggers corresponding event for the video camera, is played and the threedimensional model by Equations of The Second Kind script Related agro-farming knowledge in the corresponding taxonomy database；

First farm implements display unit, for showing the control of scene setting automatic Display in farm implements and showing time control, farm implements exhibition Show that scene threedimensional model carries out rotating, amplify, reduce and resetting according to deliberate action, automatically switch according to Preset Time next Farm implements show scene threedimensional model；Playing the farm implements for showing by Equations of The Second Kind script shows scene threedimensional model correspondence at described point Related agro-farming knowledge in class data base.

10. system according to claim 6, it is characterised in that the interactive module includes：

Interactive display unit, for creating virtual portrait and making visitor possess virtual portrait in the virtual agro-farming scene Visual angle, makes virtual portrait roam in the virtual agro-farming scene by input equipment；

Second collision detection unit, for adding collision detection in the virtual agro-farming scene, it is to avoid the virtual portrait with Mutually passing through between the threedimensional model intersects；

Second trigger element, triggers setting event for the virtual portrait, is played and the three-dimensional mould by Equations of The Second Kind script Related agro-farming knowledge in the corresponding taxonomy database of type；

Second farm implements display unit, shows scene setting control knob in farm implements, the farm implements for showing is shown by control knob Scene threedimensional model is amplified, reduces, rotates and resets control, the agro-farming knowledge that played can also be entered by control knob Row control；Input equipment also provides the dragging that farm implements are shown with scene threedimensional model.