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NPE fixes

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This commit is contained in:
Joseph Schorr 2014-09-23 14:13:55 -04:00
parent 86dfca2e3e
commit f938f3fa43
3 changed files with 7 additions and 2 deletions
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3
static/js/graphing.js
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@ -262,6 +262,9 @@ ImageHistoryTree.prototype.draw = function(container) {
// Update the dimensions of the tree.
var dimensions = this.updateDimensions_();
if (!dimensions) {
return this;
}
// Populate the tree.
this.root_.x0 = dimensions.cw / 2;