wflemingnz-retired

Based on the code you have given, you aren't setting `popupContent.gpsLongitude` and `popupContent.gpsLatitude` so the overlay will not be positioned hence you won't see the popup. Regarding mouseover, you can...

1. Hard to say without running example(ie: stackblitz) and further investigation. Probably either a projection issue or an html layout issue 2. Use the openlayers `pointermove` event rather than `mouseover`:...

Any update on this? We are seeing huge number of change detection cycles as a result of openlayers calls to requestAnimationFrame and setTimeout. Even moving the pointer across the map...

We are also experiencing slow performance (zooming) when showing many dashed lines. I have not yet performed any detailed analysis as you have.

When testing with: - 75 line strings, each with an average of 5 vertices per line - solid line style, overlaid with either a dashed or solid narrower line I...

Thanks @ahocevar, changing to VectorImage layer improved responsiveness, however I still have some performance issues which are detailed in #10350.

I had the same problem, for now I'm using https://github.com/OnurErtugral/react-image-comparison-slider