ashatora/openlayers
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix scale line for EPSG:4326 maps

Browse Source
This commit is contained in:
Andreas Hocevar
2017-08-07 18:16:40 -06:00
parent ac13dbccf1
commit 388e2a93cb
4 changed files with 83 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
src/ol/control/scaleline.js
View File

@@ -168,17 +168,22 @@ ol.control.ScaleLine.prototype.updateElement_ = function() {
var center = viewState.center;
var projection = viewState.projection;
var metersPerUnit = projection.getMetersPerUnit();
var units = this.getUnits();
var pointResolutionUnits = units == ol.control.ScaleLineUnits.DEGREES ?
ol.proj.Units.DEGREES :
ol.proj.Units.METERS;
var pointResolution =
ol.proj.getPointResolution(projection, viewState.resolution, center) *
metersPerUnit;
ol.proj.getPointResolution(projection, viewState.resolution, center, pointResolutionUnits);
var nominalCount = this.minWidth_ * pointResolution;
var suffix = '';
var units = this.getUnits();
if (units == ol.control.ScaleLineUnits.DEGREES) {
var metersPerDegree = ol.proj.METERS_PER_UNIT[ol.proj.Units.DEGREES];
pointResolution /= metersPerDegree;
if (projection.getUnits() == ol.proj.Units.DEGREES) {
nominalCount *= metersPerDegree;
} else {
pointResolution /= metersPerDegree;
}
if (nominalCount < metersPerDegree / 60) {
suffix = '\u2033'; // seconds
pointResolution *= 3600;