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chilijung/extent.js

Created November 26, 2015 10:28
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extent.js
var topLeftX = proj(mapDim.topLine[0])[0];
var topLeftY = proj(mapDim.topLine[0])[1];
var topRightX = proj(mapDim.topLine[mapDim.topLine.length - 1])[0];
var bottomLeftY = proj(mapDim.bottomLine[mapDim.topLine.length - 1])[1];
var extentWidth = topRightX - topLeftX;
var extentHeight = bottomLeftY - topLeftY;
this.extentWidth = extentWidth;
this.extentHeight = extentHeight;
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