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

Handle cases where the x-axis distance cannot be calculated

Browse Source
This commit is contained in:
Andreas Hocevar
2014-07-21 12:20:51 +02:00
parent 82b921ff06
commit eb71e8e92d
1 changed files with 11 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

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

@@ -43,9 +43,12 @@ ol.control.ScaleLineUnits = {
/** /**
* @classdesc * @classdesc
* A control displaying rough x-axis distances. * A control displaying rough x-axis distances, calculated for the center of the
* By default it will show in the bottom left portion of the map, but this can * viewport.
* be changed by using the css selector `.ol-scale-line`. * No scale line will be shown when the x-axis distance cannot be calculated in
* the view projection (e.g. at or beyond the poles in EPSG:4326).
* By default the scale line will show in the bottom left portion of the map,
* but this can be changed by using the css selector `.ol-scale-line`.
* *
* @constructor * @constructor
* @extends {ol.control.Control} * @extends {ol.control.Control}
@@ -304,7 +307,11 @@ ol.control.ScaleLine.prototype.updateElement_ = function() {
count = ol.control.ScaleLine.LEADING_DIGITS[i % 3] * count = ol.control.ScaleLine.LEADING_DIGITS[i % 3] *
Math.pow(10, Math.floor(i / 3)); Math.pow(10, Math.floor(i / 3));
width = Math.round(count / pointResolution); width = Math.round(count / pointResolution);
if (width >= this.minWidth_) { if (isNaN(width)) {
goog.style.setElementShown(this.element_, false);
this.renderedVisible_ = false;
return;
} else if (width >= this.minWidth_) {
break; break;
} }
++i; ++i;