var last_x, is_first = true;
while (iter.hasNext) {
var point = iter.next();
- if (!Dygraph.isOK(point.y)) {
+ if (!Dygraph.isOK(point.y) && !stepPlot) {
prevX = NaN;
if (point.y_stacked !== null && !isNaN(point.y_stacked)) {
baseline[point.canvasx] = area.h * point.y_stacked + area.y;
}
} else {
- newYs = [ point.canvasy, axisY ];
+ if (isNaN(point.canvasy) && stepPlot) {
+ newYs = [ area.y + area.h, axisY ];
+ } else {
+ newYs = [ point.canvasy, axisY ];
+ }
}
if (!isNaN(prevX)) {
ctx.moveTo(prevX, prevYs[0]);