OpenLayers: How to detect the map view is completely loaded?
I'm implementing map exporting functionality using OpenLayers 3.
But there is one problem: one cannot determine whether the map view is completely loaded or a few tiles is missing yet.
It seems there is no such API or event. The close one is tileloadstart - tileloadend pair. But OpenLayers loads tiles asynchronously, and before the tile is actually loading the tileloadstart is not fired - that is, a tile that is queued in the tile queue does not fire the event before actually loading.
Hot can I detect the map view is completely loaded?
Answer
postrender event seems to do the trick, like this:
map.once('postrender', function(event) {
doyourmagic();
});
Works at least from OpenLayers 3.8.2. There is fine answer there about the subject.