CN103165017A - Display method of interest point name and device and navigation system - Google Patents
Display method of interest point name and device and navigation system Download PDFInfo
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- CN103165017A CN103165017A CN2011104262122A CN201110426212A CN103165017A CN 103165017 A CN103165017 A CN 103165017A CN 2011104262122 A CN2011104262122 A CN 2011104262122A CN 201110426212 A CN201110426212 A CN 201110426212A CN 103165017 A CN103165017 A CN 103165017A
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Abstract
The invention provides a display method of interest point names, a device and a navigation system. The display method of the interest point names comprises the steps that display positions of a first interest point name and/or a second interest point name are adjusted according to current display positions of the first interest point name and the second interest point name, a second interest point is at least one interest point around a first interest point, and if the display positions of the first interest point name before and after adjustment are respectively overlapped with the display positions of the second interest point name, more important interest point names are displayed in a map, or else the first interest point name and the second interest point name are displayed in the map. According to the technical scheme, the display method, the device and the navigation system achieve the effect of displaying a plurality of the interest points in order, and provide effective interest point indication for users.
Description
Technical field
The present invention relates to the Display Processing Technology of map, especially a kind of display packing of point of interest title and device, navigational system.
Background technology
Automobile has had the history of more than 120 year as people's the daily vehicles, along with the development of science and technology, automobile has also experienced the variation of making rapid progress during this period.Be accompanied by development and the progress of automotive engineering, onboard system is come into people's life gradually as the subsidiary products of automobile, and wherein, in onboard navigation system, vehicular map provides great convenience for user vehicle on searching road and destination.
Map is drawn by map datum and is formed, and map datum leaves in map data base, when map making, loads corresponding map datum from map data base, is presented in screen after drafting.Map datum is usually very large, and the content that comprises is also a lot, and the map datum in an area generally includes zone data, road data and point of interest (POI) data etc.
Generally include a large amount of points of interest in map, for example, restaurant, hotel, market, school, refuelling station etc.Generally with icon and title demonstration, the point of interest title is stored in map datum with the form of text point of interest in map.Interest point data generally includes icon, the display position data (coordinate data) of icon, the point of interest title of express interest point, the display position data (coordinate data) of title etc.Map when drawing demonstration, need to be saved in buffer memory drawing the required map datum of this map, then read map datum and draw from buffer memory at present, then is presented on screen.
Quick increase along with point of interest quantity, the demonstration that makes the point of interest title is a problem that all the time faces, if all show, in the map picture of detailed engineer's scale, the zone that some points of interest are concentrated will all be covered by the point of interest title, point of interest causes very bad visual effect regardless of whole demonstrations of importance; Some point of interest titles are long, cause the display space that occupies oversize, even with problems such as road name intersect.These problems cause great inconvenience seeking on road and destination can on the contrary the user, thereby can't give the user prompting effectively is provided.
Publication number is the Chinese patent application of CN 101647048A, a kind of map display system is disclosed, road on its map that shows along display frame dynamically shows the navigation related informations such as road name, guiding, is easy to recognize the road that shows in display frame and road name thereof, direct of travel.But do not relate to for the problems referred to above.
Summary of the invention
The problem that technical solution of the present invention solves is in existing map in point of interest title display set and easily capped, thereby can't provide effective prompting for the user.
For solving the problems of the technologies described above, technical scheme of the present invention provides a kind of display packing of point of interest title, comprise: the display position of adjusting described the first point of interest title and/or the second point of interest title according to the current display position of the first point of interest title and the second point of interest title, wherein, described the second point of interest is at least one point of interest around described the first point of interest; The display position of described the first point of interest title before and after adjusting and the display position of described the second point of interest title are all overlapping, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
Optionally, the display position that described current display position according to the first point of interest title and the second point of interest title is adjusted described the first point of interest title and/or the second point of interest title comprises: overlapping when the current display position of the current display position of described the first point of interest title and described the second point of interest title, adjust the display position of described the first point of interest title; All overlapping with the current display position of described the second point of interest title before and after the display position of described the first point of interest title is being adjusted, adjust the display position of described the second point of interest title;
The display position of described the first point of interest title before and after described adjustment the and the display position of described the second point of interest title be overlapping referring to all: the display position of described the second point of interest title is all overlapping before and after adjusting with the display position of described the first point of interest title before and after adjusting.
Optionally, the display position that described current display position according to the first point of interest title and the second point of interest title is adjusted described the first point of interest title and/or the second point of interest title comprises: overlapping when the current display position of the current display position of described the first point of interest title and described the second point of interest title, adjust the display position of described the first point of interest title;
The display position of described the first point of interest title before and after described adjustment the and the display position of described the second point of interest title be overlapping referring to all: the display position of described the first point of interest title is all overlapping with the display position of described the second point of interest title before and after adjusting.
Optionally, the overlapping boundary rectangle that refers to described the first point of interest title of the display position of the display position of described the first point of interest title and described the second point of interest title in described map the position and the position of boundary rectangle in described map of described the second point of interest title intersect.
Optionally, at least a and definite during the importance of described point of interest title is set based on the type of described interest point of general, described map and user.
Optionally, the display packing of described point of interest title also comprises: before the display position of adjusting described the first point of interest title and/or the second point of interest title, greater than preset characters length, described point of interest title is split at least two row when the character length of described point of interest title.
Optionally, the display position of described point of interest title is positioned at top, below, the left or right-hand of described point of interest.
Optionally, the display packing of described point of interest title also comprises: described the first point of interest title of determining after adjusting and the display position data of the second point of interest title deposit buffer memory in.
For solving the problems of the technologies described above, technical solution of the present invention also provides a kind of display device of point of interest title, comprising:
Adjustment unit, be used for adjusting according to the current display position of the first point of interest title and the second point of interest title the display position of described the first point of interest title and/or the second point of interest title, wherein, described the second point of interest is at least one point of interest around described the first point of interest;
Display unit, display position for the display position of working as described the first point of interest title before and after adjusting and described the second point of interest title is all overlapping, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
Compared with prior art, the display position of technique scheme by adjusting the point of interest title is with the point of interest title around avoiding covering as far as possible, the display position of adjusting the point of interest title is take not overlapping as principle with point of interest title on every side, make the point of interest title of point of interest concentrated area separate as much as possible, thereby solved the problem of prior art, reached the effect of many and not crowded demonstration point of interest, for the user provides effective point of interest prompting.
Description of drawings
Fig. 1 is the schematic flow sheet of display packing of the point of interest title of technical solution of the present invention;
Fig. 2 is the schematic flow sheet of display packing of the point of interest title of the embodiment of the present invention;
Fig. 3 to 9 is example schematic of display packing of the point of interest title of the embodiment of the present invention;
Figure 10 is the structural representation of display device of the point of interest title of the embodiment of the present invention.
Embodiment
Problem based on the prior art existence, the inventor considers that display position by adjusting the point of interest title is to avoid the overlapping of close point of interest title as far as possible, further, overlapping if the rear point of interest title of adjustment still has, the importance of taking point of interest into consideration shows point of interest.Therefore, the display packing of the point of interest title of technical solution of the present invention comprises as shown in Figure 1:
Step S1, adjust the display position of described the first point of interest title and/or the second point of interest title according to the current display position of the first point of interest title and the second point of interest title, wherein, described the second point of interest is at least one point of interest around described the first point of interest;
Step S2, if the display position of described the first point of interest title before and after adjusting and the display position of described the second point of interest title are all overlapping, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
Wherein, the point of interest title that importance is high can comprise the first point of interest title and the second point of interest title, also can only comprise the second point of interest title.And the low point of interest title of importance is abandoned showing as the first point of interest title or the second point of interest title.
Fig. 2 is the schematic flow sheet of display packing of the point of interest title of the embodiment of the present invention, step S1 corresponding to step S11～S16 wherein, and the step S2 that step S21～S23 is corresponding shown in Figure 1 below is elaborated to each step.
Step S11 obtains the current display position of the first point of interest title.When map making, need first to read interest point data from buffer memory, point of interest is placed on the relevant position in the map that will show.Because the point of interest in map is numerous, therefore read an interest point data at every turn, described the first point of interest refers to the current point of interest that reads, after reading first interest point data, icon and display position data, point of interest title and display position data thereof according to the express interest point in interest point data, first point of interest is drawn in map, usually, the position of the positional representation point of interest at the icon place of point of interest, the title of point of interest are labeled in the position near the icon of point of interest.After interest point data is read in each time afterwards, carry out successively following step.
Need to prove, long when described the first point of interest title in step S11, described point of interest title can be split at least two row, can cover other points of interest or road name etc. to avoid the point of interest title to be placed in map as far as possible.Usually, can during greater than preset characters length, described point of interest title be split at least two row at the character length of the first point of interest title.For example, preset characters length is 6, if the first point of interest title comprises 10 characters, can split into 2 row, if the first point of interest title comprises 15 characters, can split into 3 row.
Then execution in step S12 judges whether the current display position of the current display position of the first point of interest title and the second point of interest title is overlapping, if execution in step S13, execution in step S16 if not.Wherein, the second point of interest is at least one point of interest around the first point of interest.
After reading the first interest point data, whether the position that need to first judge the point of interest title of having placed in the first point of interest current position that will place of (the current point of interest that reads) title (current display position) and map can be overlapping, usually be exactly to judge the current display position of the first point of interest title and (adjacent or close) the point of interest title around it, namely whether the current display position of the second point of interest title is overlapping, the second point of interest title may be one, may be also a plurality of.
Judging that the display position of point of interest is whether overlapping can utilize Collision Detection: the boundary rectangle that judges the first point of interest title in described map the position and the position of boundary rectangle in described map of the second point of interest title whether intersect.During concrete enforcement, the display position data of point of interest title can be the coordinate data of point of interest title in map, can calculate the position of boundary rectangle of point of interest title and the coordinate on four summits according to the character length of coordinate data and point of interest title, can judge thus two boundary rectangles and whether can intersect.For instance, the boundary rectangle 22 of the boundary rectangle 21 of the point of interest title of the first point of interest A as shown in Figure 3 and the point of interest title of the second point of interest B intersects, and the boundary rectangle 23 of the point of interest title of the boundary rectangle 21 of the point of interest title of the first point of interest A and the second point of interest C is non-intersect.In addition, if in step S1, the point of interest title is split at least two row, the boundary rectangle of point of interest title comprises at least two line characters.Described boundary rectangle typically refers to the minimum rectangle of the alphabet that comprises the point of interest title.
If the boundary rectangle of the boundary rectangle of the first point of interest title and the one or more point of interest titles around it intersects, illustrate if place the first point of interest title according to current display position and understand cover part the second point of interest title, need to adjust the display position of overlapping point of interest title, as adjust the display position of the first point of interest title or the display position of the second point of interest title, the perhaps display position of the display position of the first point of interest title and the second point of interest title.In the present embodiment, first adjust the display position of the first point of interest title, i.e. execution in step S13.If the boundary rectangle of the boundary rectangle of the first point of interest title and all the point of interest titles around it is all non-intersect, do not need to adjust the display position of point of interest title, the display position of record the first point of interest title, i.e. execution in step S16.
Step S13, adjust the display position of the first point of interest title, until the current display position of the display position of the first point of interest title after adjusting and the second point of interest title is not overlapping or the display position of the first point of interest title is all overlapping with the current display position of the second point of interest title before and after adjusting, continue execution in step S14.When the current display position of the current display position of described the first point of interest title and described the second point of interest title overlapping, first adjust the display position of described the first point of interest title, wherein, the display position of described point of interest title is positioned at top, below, the left or right-hand of described point of interest.
The point of interest title is placed on the position near the icon of point of interest, can be icon top, below, the left or right-hand of point of interest, the initial display position of point of interest title is general to be determined according to the display position data that are stored in map data base, adjust the display position of the first point of interest title, until the display position of the first point of interest title after adjusting is all not overlapping with the display position of all the second point of interest title, follow execution in step S14.For example, the initial display position of the point of interest title of the first point of interest A shown in Figure 3 is the right-hand of the first point of interest A, due to overlapping with the point of interest title of the second point of interest B, therefore, can be with the point of interest title of the first point of interest A right-hand below that is adjusted to the first point of interest A as shown in Figure 4 from the first point of interest A shown in Figure 3.In addition, also can be adjusted to the left of the first point of interest A; If be adjusted to the first point of interest A the top could be overlapping with the point of interest title of the second point of interest C.
yet, the zone that point of interest is concentrated in map, the display position that the first point of interest title may occur adjusting to the optional position all can with one or more around the overlapping situation of the display position of point of interest titles, for example, as shown in Figure 5, if the point of interest title of the first point of interest A is presented at the point of interest title of right-hand meeting cover part the second point of interest B, if be presented at the point of interest title of top meeting cover part the second point of interest C, if be presented at the point of interest title of left meeting cover part the second point of interest D, if be presented at the point of interest title of below meeting cover part the second point of interest E, continue in the case execution in step S14.
Whether step S14, the display position that judges the first point of interest title be all overlapping with the current display position of the second point of interest title before and after adjusting, if execution in step S15, execution in step S16 if not.For instance, for example shown in Figure 5, continue to carry out S15; For example shown in Figure 4, continue execution in step S16.
Step S15, adjust the display position of the second point of interest title, until the display position of the second point of interest title after adjusting with the display position of the first point of interest title not overlapping or adjust before and after the display position of the second point of interest title all overlapping with the display position of the first point of interest title before and after adjusting, continuation execution in step S21.
If the display position of the first point of interest title before and after adjusting and the current display position of the second point of interest title are all overlapping, adjust successively the display position of each the second point of interest title based on certain selection principle, the adjustment principle of the display position of the second point of interest title is identical with the adjustment principle of the display position of the first point of interest title, and point of interest title and the point of interest title around it that described adjustment principle refers to adjust after display position are all not overlapping.
During concrete enforcement, can carry out the adjustment of display position by the select progressively second point of interest title that reads of the second point of interest.For example, example as shown in Figure 5, the second point of interest reads and places according to the sequencing of E, C, B, D, therefore can first adjust the display position of the point of interest title of the second point of interest E, if can not satisfy mentioned above principle, adjust successively again the second point of interest title C, B, D, if the position of the point of interest title of the second point of interest E can be adjusted to and the equal nonoverlapping position of other point of interest titles, correspondingly the point of interest title of the first point of interest A is adjusted to the below of the first point of interest A, as shown in Figure 6.
Also can first select to carry out the adjustment of display position with overlapping the second point of interest title of the initial display position of the first point of interest title.For example, example shown in Figure 5, first adjust the display position of the point of interest title of the second point of interest B, if can satisfy so above-mentioned adjustment principle, can not adjust the display position of the first point of interest A, otherwise adjust again the display position of other the second point of interest titles, and correspondingly adjust the display position of the first point of interest title.
The second minimum point of interest title of point of interest title around can also first selecting is carried out the adjustment of display position, if can satisfy above-mentioned adjustment principle, correspondingly adjusts the display position of the first point of interest title; Otherwise adjust again the display position of other the second point of interest titles and the display position of the first point of interest title.
If satisfy above-mentioned adjustment principle after adjusting the display position of the second point of interest title, continue execution in step S21.Yet, the zone that point of interest is concentrated in map, the display position that all the second point of interest titles may occur adjusting still can not satisfy the situation of above-mentioned adjustment principle, continues in the case execution in step S21.
Step S16, the display position of record the first point of interest title.If the initial display position of the first point of interest title and the display position of the second point of interest title not overlapping (the determination result is NO for step S12) are with the initial display position of the first point of interest title display position record as the first point of interest title.If the display position of the first point of interest title after adjusting and the display position not overlapping (the determination result is NO for step S14) of the second point of interest title, the display position of the first point of interest title after adjusting is as the display position record of the first point of interest title.
Step S21, whether the display position of the second point of interest title before and after judgement is adjusted is all overlapping with the display position of the first point of interest title before and after adjusting, if execution in step S22, execution in step S23 if not.If all can't satisfy described adjustment principle, execution in step S22 through the display position of above-mentioned steps adjustment the first point of interest title and the display position of the second point of interest title; Satisfy described adjustment principle, execution in step S23 if adjust the display position of the first point of interest title or the display position of the second point of interest title.
Step S22 abandons the first point of interest title of showing that importance is low, perhaps, abandons the second point of interest title of showing that importance is low, and records the display position of the first point of interest title.If all can't satisfy described adjustment principle through the display position of above-mentioned steps adjustment the first point of interest title and the display position of the second point of interest title, the importance according to the first point of interest title and the second point of interest title optionally shows the point of interest title, abandons the point of interest title that shows that importance is low.Wherein, at least a and definite during the importance of point of interest title is set based on the type of described interest point of general, described map and user.
Particularly, can determine according to the interest point of general importance of point of interest title, abandon the point of interest title that shows that importance is low.The interest point of general is included in interest point data as a kind of attribute data of point of interest, the interest point of general generally can comprise following large class: megastore, saloon bar, transport hub, Urban Parks, the scenic spots and historical sites, leisure venue, important office, culture and education, hospital, mansion, residential quarter etc., each large class can also comprise many groups.The interest point of general is different, and the importance rate of point of interest is just different, and correspondingly, the importance rate of point of interest title is also just different.For example, in point of interest shown in Figure 5, the importance of the second point of interest E is minimum, abandon showing the second point of interest E, correspondingly, the display position of the point of interest title of the first point of interest A is arranged on the below of the first point of interest A, as shown in Figure 7, the display position of the point of interest title of record the first point of interest A.
Also can determine according to the type of the map that will show the importance of point of interest title, abandon the point of interest title that shows that importance is low.particularly, can set stylistic category for map in advance, the interest point of general that dissimilar map shows (large class and group) is also different, for example, the map of tourism style preferentially shows the scenic spots and historical sites, the park, the hotel, the hotel, the point of interest of the types such as subway station, the map of shopping style preferentially shows the market, the point of interest of the types such as supermarket, the map of amusement and leisure style preferentially shows KTV, cinema, the point of interest of the types such as dining room, take map shown in Figure 5 be the tourism style map as example, the importance of the second point of interest B is minimum, abandon showing the second point of interest B, correspondingly, the display position of the point of interest title of the first point of interest A is arranged on the right-hand of the first point of interest A, as shown in Figure 8, record the display position of the point of interest title of the first point of interest A.
Can also set the importance of determining the point of interest title according to the user, abandon the point of interest title that shows that importance is low.Particularly, the inputting interface of the importance rate of setting point of interest can be provided to the user, still take map shown in Figure 5 as example, in the first point of interest A and the second point of interest B, C, D, E, if it is minimum that the user presets the importance of hotel's type, abandon showing the first point of interest A, and also do not need the display position of the point of interest title of the second point of interest B, C, D, E is adjusted, as shown in Figure 9.
Need to prove, Fig. 7 to 9 is when abandoning showing the first point of interest title or the second point of interest title, the icon of the first point of interest or the icon of the second point of interest have also been abandoned showing, and in other embodiments, also can only abandon showing the first point of interest title or the second point of interest title, keep the icon of the first point of interest or the icon of the second point of interest and still be presented in map.
Step S23, the display position of record the second point of interest title and the display position of the first point of interest title.If satisfying, the display position of the second point of interest title after adjusting adjusts principle, the display position of the second point of interest title after adjusting is as the display position of the second point of interest title, and with the display position of the first point of interest title of the corresponding adjustment display position record as the first point of interest title.
The display position of above-mentioned record the first point of interest title and the display position of the second point of interest title can be that the display position data of the first point of interest title of determining after adjusting and the display position data of the second point of interest title deposit buffer memory in.Then when drawing and show map, read point of interest title and display position data thereof from described buffer memory, show described point of interest title with the relevant position in described map.
The display position of the point of interest title of determining by above-mentioned steps becomes the current display position of this point of interest title.Repeat above-mentioned steps, until in the map that will show, the display position of all point of interest titles is all definite, at last drawn map is presented on screen, wherein, the display position of each point of interest title in map is determined by said method, if the display position of the first point of interest title is recorded in above-mentioned steps, the first point of interest may become the follow-up point of interest that reads point of interest on every side, namely the second point of interest.
need to prove, above-described embodiment is the display position of first adjusting the first point of interest title, adjust again the display position of the second point of interest title, all overlapping before and after adjusting with the display position of described the first point of interest title before and after the display position of described the second point of interest title is being adjusted, according to the importance of the first point of interest title and the second point of interest title, show the high point of interest title (the first point of interest title and/or the second point of interest title) of importance in map, abandon showing the low point of interest title of importance (the first point of interest title or the second point of interest title).And in other embodiments, also can only adjust the display position of the first point of interest title, it is all overlapping with the display position of described the second point of interest title before and after the display position of described the first point of interest title is being adjusted, according to the importance of the first point of interest title and the second point of interest title, show the high point of interest title of importance in map, abandon the point of interest title that shows that importance is low, that is to say, when judgment result is that of step S14 shown in Figure 2 is, direct execution in step S22, saved step S15, S21 and S23.
Corresponding to said method, the embodiment of the present invention also provides a kind of display device of point of interest title, as shown in Figure 7, comprising: adjustment unit 10 and display unit 11.
In the present embodiment, described adjustment unit 10 comprises: the first adjustment unit 101, current display position for the current display position of working as described the first point of interest title and described the second point of interest title is overlapping, adjusts the display position of described the first point of interest title; The second adjustment unit 102 for all overlapping with the current display position of described the second point of interest title before and after adjusting when the display position of described the first point of interest title, is adjusted the display position of described the second point of interest title.Described display unit 11 is all overlapping before and after being used for adjusting with the display position of described the first point of interest title before and after the display position of described the second point of interest title is being adjusted, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
In other embodiments, also can not comprise the second adjustment unit, described display unit is used for before and after the display position of described the first point of interest title is being adjusted all overlapping with the current display position of described the second point of interest title, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
In the present embodiment, the display device of described point of interest title also comprises buffer memory 12, is used for storing described the first point of interest title definite after adjusting and the display position data of the second point of interest title.Described display unit 11 reads described the first point of interest title and display position data and described the second point of interest title and display position data thereof from described buffer memory 12, show the map that comprises described the first point of interest title and the second point of interest title, or show the map that comprises described the second point of interest title.
In addition, the display device of described point of interest title can also comprise: split cells (not shown), be used for before the display position of adjusting described the first point of interest title and/or the second point of interest title, if the character length of described point of interest title greater than preset characters length, splits at least two row with described point of interest title.
Technical solution of the present invention also provides a kind of navigational system that comprises the display device of above-mentioned point of interest title, and described navigational system can be applied in mobile unit.
In sum, the display position of technique scheme by adjusting the point of interest title is with the point of interest title around avoiding covering as far as possible, the display position of adjusting the point of interest title is take not overlapping as principle with point of interest title on every side, make the point of interest title of point of interest concentrated area separate as much as possible, thereby solved the problem of prior art, reached the effect of many and not crowded demonstration point of interest, for the user provides effective point of interest prompting.
Further, show optionally that according to the importance of point of interest title the point of interest title makes in map the demonstration of point of interest more targeted, and also can not omit and show the high point of interest of importance.
Although the present invention with preferred embodiment openly as above; but it is not to limit the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement to make possible change and modification to technical solution of the present invention; therefore; every content that does not break away from technical solution of the present invention; to any simple modification, equivalent variations and modification that above embodiment does, all belong to the protection domain of technical solution of the present invention according to technical spirit of the present invention.
Claims (17)
1. the display packing of a point of interest title, is characterized in that, comprising:
Adjust the display position of described the first point of interest title and/or the second point of interest title according to the current display position of the first point of interest title and the second point of interest title, wherein, described the second point of interest is at least one point of interest around described the first point of interest;
The display position of described the first point of interest title before and after adjusting and the display position of described the second point of interest title are all overlapping, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
2. the display packing of point of interest title as claimed in claim 1, is characterized in that,
The display position that described current display position according to the first point of interest title and the second point of interest title is adjusted described the first point of interest title and/or the second point of interest title comprises: overlapping when the current display position of the current display position of described the first point of interest title and described the second point of interest title, adjust the display position of described the first point of interest title; All overlapping with the current display position of described the second point of interest title before and after the display position of described the first point of interest title is being adjusted, adjust the display position of described the second point of interest title;
The display position of described the first point of interest title before and after described adjustment the and the display position of described the second point of interest title be overlapping referring to all: the display position of described the second point of interest title is all overlapping before and after adjusting with the display position of described the first point of interest title before and after adjusting.
3. the display packing of point of interest title as claimed in claim 1, is characterized in that,
The display position that described current display position according to the first point of interest title and the second point of interest title is adjusted described the first point of interest title and/or the second point of interest title comprises: overlapping when the current display position of the current display position of described the first point of interest title and described the second point of interest title, adjust the display position of described the first point of interest title;
The display position of described the first point of interest title before and after described adjustment the and the display position of described the second point of interest title be overlapping referring to all: the display position of described the first point of interest title is all overlapping with the display position of described the second point of interest title before and after adjusting.
4. the display packing of point of interest title as claimed in claim 1, it is characterized in that, the boundary rectangle that the display position of the display position of described the first point of interest title and described the second point of interest title is overlapping refers to described the first point of interest title in described map the position and the position of boundary rectangle in described map of described the second point of interest title intersect.
5. the display packing of point of interest title as claimed in claim 1, is characterized in that, at least a and definite during the importance of described point of interest title is set based on the type of described interest point of general, described map and user.
6. the display packing of point of interest title as claimed in claim 1, it is characterized in that, also comprise: before the display position of adjusting described the first point of interest title and/or the second point of interest title, greater than preset characters length, described point of interest title is split at least two row when the character length of described point of interest title.
7. the display packing of point of interest title as claimed in claim 1, is characterized in that, the display position of described point of interest title is positioned at the top of described point of interest, below, left or right-hand.
8. the display packing of point of interest title as claimed in claim 1, is characterized in that, also comprises: described the first point of interest title of determining after adjusting and the display position data of the second point of interest title deposit buffer memory in.
9. the display device of a point of interest title, is characterized in that, comprising:
Adjustment unit, be used for adjusting according to the current display position of the first point of interest title and the second point of interest title the display position of described the first point of interest title and/or the second point of interest title, wherein, described the second point of interest is at least one point of interest around described the first point of interest;
Display unit, display position for the display position of working as described the first point of interest title before and after adjusting and described the second point of interest title is all overlapping, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
10. the display device of point of interest title as claimed in claim 9, is characterized in that,
Described adjustment unit comprises: the first adjustment unit, be used for when the current display position of the current display position of described the first point of interest title and described the second point of interest title overlappingly, and adjust the display position of described the first point of interest title; The second adjustment unit for all overlapping with the current display position of described the second point of interest title before and after adjusting when the display position of described the first point of interest title, is adjusted the display position of described the second point of interest title;
Described display unit is all overlapping before and after being used for adjusting with the display position of described the first point of interest title before and after the display position of described the second point of interest title is being adjusted, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
11. the display device of point of interest title as claimed in claim 9 is characterized in that,
Described adjustment unit is used for when the current display position of the current display position of described the first point of interest title and described the second point of interest title overlapping, adjusts the display position of described the first point of interest title;
Described display unit is used for before and after the display position of described the first point of interest title is being adjusted all overlapping with the current display position of described the second point of interest title, show the high point of interest title of importance in map, otherwise show described the first point of interest title and the second point of interest title in map.
12. the display device of point of interest title as claimed in claim 9, it is characterized in that, the boundary rectangle that the display position of the display position of described the first point of interest title and described the second point of interest title is overlapping refers to described the first point of interest title in described map the position and the position of boundary rectangle in described map of described the second point of interest title intersect.
13. the display device of point of interest title as claimed in claim 9 is characterized in that, at least a and definite during the importance of described point of interest title is set based on the type of described interest point of general, described map and user.
14. the display device of point of interest title as claimed in claim 9, it is characterized in that, also comprise: split cells, be used for before the display position of adjusting described the first point of interest title and/or the second point of interest title, greater than preset characters length, described point of interest title is split at least two row when the character length of described point of interest title.
15. the display device of point of interest title as claimed in claim 9 is characterized in that, the display position of described point of interest title is positioned at the top of described point of interest, below, left or right-hand.
16. the display device of point of interest title as claimed in claim 9 is characterized in that, also comprises: buffer memory is used for storing described the first point of interest title definite after adjusting and the display position data of the second point of interest title.
17. a navigational system is characterized in that, comprising: the display device of the described point of interest title of claim 9 to 16 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104262122A CN103165017A (en) | 2011-12-16 | 2011-12-16 | Display method of interest point name and device and navigation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104262122A CN103165017A (en) | 2011-12-16 | 2011-12-16 | Display method of interest point name and device and navigation system |
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| CN103165017A true CN103165017A (en) | 2013-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104262122A Pending CN103165017A (en) | 2011-12-16 | 2011-12-16 | Display method of interest point name and device and navigation system |
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Application publication date: 20130619 |