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(Some) raster tiles fail to render fonts #1399
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Can you post the style you are using? Does it look correct in vector view? |
The style is available here: https://github.com/leonardehrenfried/ansible-baseline/blob/34c64cb42293683a5de1942786ec642348bad75e/roles/tileserver/templates/streets.json Yes, it does look correct in the vector view, which is the bottom screenshot. (Sorry if that wasn't super clear.) |
Did this working in [v4.13.3](https://github.com/maptiler/tileserver-gl/releases/tag/v4.13.3 . or any previous version? |
When I test this style locally it works for me. the only change I had really made was Replacing "KlokanTech Noto Sans" with a newer "Noto Sans". I am not using the docker here , but it shouldn't be different. https://tiles.wifidb.net/styles/streets/?raster#14/50.5318/6.4409 |
Can you see if see the issue with the fonts I am using and style changes. I zipped them up here. |
Maddeningly the problem appears at random. Once I delete the tile cache (handled by nginx) and re-render the tiles the previously errouneous one then has the correct fonts but elsewhere I have tiles without fonts. It appears that during download or rendering of the font something goes awry. |
I would think if it wasn't getting a font file at all from the server it wouldn't render the image since maplibre-native is really picky about fonts and will usually just return nothing if something is missing. Could be a rendering issue in maplibre native. If you could test v4.13.3 and see maplibre based on opengl-2 behaves differently Could be the change to @mapbox/glyph-pbf-composite in v4.12.0, maybe try a version before that v4.11.1 and see if the issue occurs. |
Are you regenerating your source vector tiles often? |
Once a day. |
So maybe also a intermittent issue in your source tiles that is getting cached and fixed before you get to look at it? |
I'm running tileserver-gl 5.0.0 in a docker container and sometimes, some tiles fail to rasterize their fonts.
This only happens to raster tiles. The vector versions are fine:
I also checked the vector tiles themselves and they do contain the information that we need to display the street names and badges.
I checked the logs but cannot see anything unusual, just the regular activity of tiles and fonts being downloaded. I also cannot see a pattern of which raster tiles works and which doesn't.
Has anyone ever experienced this before?
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