8000 feat: Add min/max scale limits for geo plots by camdecoster · Pull Request #7371 · plotly/plotly.js · GitHub
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feat: Add min/max scale limits for geo plots #7371

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feat: Add min/max scale limits for geo plots #7371

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57307ee
feat(geo): support min/max scale limits
mojoaxel Oct 5, 2020
d870252
refactor: rename min/max scale limits
mojoaxel Oct 26, 2020
2d9e5f2
chore: use dflt: -1 instad of null
mojoaxel Oct 26, 2020
dd635ee
feat: handle maxscale default in scaleExtent
mojoaxel Oct 26, 2020
8a2c0c5
chore: only rerender on zoom if scale changes
mojoaxel Oct 26, 2020
f882191
chore: fix typo in min/maxscale attributes
mojoaxel Oct 26, 2020
8ed949f
test: adopt test/plot-schema.json to new plot-schema
mojoaxel Jun 10, 2024
29b4316
Trigger initial zoom event to set minscale
camdecoster Feb 18, 2025
048f178
Switch to ES5 syntax
camdecoster Feb 21, 2025
c6007a8
Merge remote-tracking branch 'origin/master' into cam/5192/add-min-ma…
camdecoster Feb 21, 2025
84cd037
Switch to getBBox and fix zoom.event call
camdecoster Feb 22, 2025
d9fca8b
Add draft log
camdecoster Feb 22, 2025
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refactor: rename min/max scale limits
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@mojoaxel @camdecoster
mojoaxel authored and camdecoster committed Feb 18, 2025
commit d870252e3e2d2838f39b6ca996f704fba106fefe
12 changes: 6 additions & 6 deletions src/components/modebar/buttons.js
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Original file line number Diff line number Diff line change
Expand Up @@ -543,16 +543,16 @@ function handleGeo(gd, ev) {

if(attr === 'zoom') {
var scale = geoLayout.projection.scale;
var minScale = geoLayout.projection.minScale;
var maxScale = geoLayout.projection.maxScale;
var minscale = geoLayout.projection.minscale;
var maxscale = geoLayout.projection.maxscale;

var newScale = (val === 'in') ? 2 * scale : 0.5 * scale;

// make sure the scale is within the min/max bounds
if(newScale > maxScale) {
newScale = maxScale;
} else if(newScale < minScale) {
newScale = minScale;
if(newScale > maxscale) {
newScale = maxscale;
} else if(newScale < minscale) {
newScale = minscale;
}

Registry.call('_guiRelayout', gd, id + '.projection.scale', newScale);
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6 changes: 3 additions & 3 deletions src/plots/geo/layout_attributes.js
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Expand Up @@ -177,7 +177,7 @@ var attrs = module.exports = overrideAll({
'that fits the map\'s lon and lat ranges. '
].join(' ')
},
minScale: {
minscale: {
valType: 'number',
min: 0,
dflt: 0,
Expand All @@ -187,10 +187,10 @@ var attrs = module.exports = overrideAll({
'where the map has half the size of base zoom level.'
].join(' ')
},
maxScale: {
maxscale: {
valType: 'number',
min: 0,
dflt: Infinity,
dflt: null,
description: [
'Maximal zoom level of the map view.',
'A maxScale of *2* (200%) corresponds to a zoom level',
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8 changes: 4 additions & 4 deletions src/plots/geo/layout_defaults.js
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Expand Up @@ -161,8 +161,8 @@ function handleGeoDefaults(geoLayoutIn, geoLayoutOut, coerce, opts) {
}

coerce('projection.scale');
coerce('projection.minScale');
coerce('projection.maxScale');
coerce('projection.minscale');
coerce('projection.maxscale');

show = coerce('showland', !visible ? false : undefined);
if(show) coerce('landcolor');
Expand Down Expand Up @@ -207,8 +207,8 @@ function handleGeoDefaults(geoLayoutIn, geoLayoutOut, coerce, opts) {
// clear attributes that will get auto-filled later
if(fitBounds) {
delete geoLayoutOut.projection.scale;
delete geoLayoutOut.projection.minScale;
delete geoLayoutOut.projection.maxScale;
delete geoLayoutOut.projection.minscale;
delete geoLayoutOut.projection.maxscale;

if(isScoped) {
delete geoLayoutOut.center.lon;
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