Hey Chris, this sounds like a bug. Can you please create a ticket and provide a codepen that shows the issue?
Thanks, Andreas. On Thu, Oct 19, 2017 at 5:11 PM, Christian Mayer <ml...@meggsimum.de> wrote: > Hi OL-Devs, > > I have a setup with a VectorTile layer based on Mapbox Vector Tiles (created > with GeoServer / Geowebcache). To save time at transferring the pbf-files to > the target environment all empty pbf-files were deleted. This results in > HTTP 404s (of course) when OpenLayers tries to load the missing tiles. > I expected that this won't bring any problems and that OL is just ignoring > them. But unfortunately a JS-exception occurs if in the current map-exent is > one of the missing tiles. > It seems that the "tileProjection" is undefined for the given "sourceTile", > so the operation tileProjection.getUnits() fails, see here [1]. So it seems > that the missing tile is not ignored in the code and due to the lack of > information the rendering process fails. > If I add an emtpy pbf-file, so no HTTP 404 occurs anymore, the exception is > gone. Even though no more information is provided (from my humble point of > view). > > So here are some questions: Can someone confirm this behavior? Is this > wanted behavior for some reasons? Or is this even a bug or an edge case? > > I am using OpenLayers v4.3.4. > > Thanks in advance for any hint / help / clarification. > > Cheers > Chris > > [1] > https://github.com/openlayers/openlayers/blob/v4.3.4/src/ol/renderer/canvas/vectortilelayer.js#L139 > > > _______________________________________________ > Dev mailing list > d...@lists.osgeo.org > https://lists.osgeo.org/mailman/listinfo/openlayers-dev _______________________________________________ Dev mailing list d...@lists.osgeo.org https://lists.osgeo.org/mailman/listinfo/openlayers-dev
