var pixelsDragged = context.dragEndY - context.dragStartY;
var unitsDragged = pixelsDragged * axis.unitsPerPixel;
-
+
var boundedValue = context.boundedValues ? context.boundedValues[i] : null;
// In log scale, maxValue and minValue are the logs of those values.
var p = g.selPoints_[i];
var distance = Math.pow(p.canvasx - context.dragEndX, 2) +
Math.pow(p.canvasy - context.dragEndY, 2);
- if (closestIdx == -1 || distance < closestDistance) {
+ if (!isNaN(distance) &&
+ (closestIdx == -1 || distance < closestDistance)) {
closestDistance = distance;
closestIdx = i;
}
g.doZoomY_(Math.min(context.dragStartY, context.dragEndY),
Math.max(context.dragStartY, context.dragEndY));
} else {
- g.canvas_ctx_.clearRect(0, 0, g.canvas_.width, g.canvas_.height);
+ g.clearZoomRect_();
}
context.dragStartX = null;
context.dragStartY = null;