[Mapguide-trac] [mapguide-trac] #2836: MVT rendering issues

MapGuide Open Source trac_mapguide at osgeo.org
Tue Feb 2 05:33:42 PST 2021


#2836: MVT rendering issues
--------------------------+------------------------
 Reporter:  jng           |        Owner:  jng
     Type:  defect        |       Status:  assigned
 Priority:  medium        |    Milestone:  4.0
Component:  Tile Service  |      Version:
 Severity:  major         |   Resolution:
 Keywords:                |  External ID:
--------------------------+------------------------
Description changed by jng:

Old description:

> * We need to apply a buffer on the MVT tile region so that client
> applications can properly stitch together features that cross tile
> boundaries
>  * Multi-polygons that cross tile boundaries are not being rendered
>  * Geometries should be simplified at higher levels

New description:

 * We need to apply a buffer on the MVT tile region so that client
 applications can properly stitch together features that cross tile
 boundaries
  * ~~Multi-polygons that cross tile boundaries are not being rendered~~
 Multi-geometries are not supported in the vector tile spec (see:
 [https://github.com/mapbox/vector-tile-spec/tree/master/2.1#434-geometry-
 types 4.3.4 Geometry Types]), so such multi-geometries should be exploded
 into its constituent geometries
  * Geometries should be simplified at higher levels

--

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Ticket URL: <https://trac.osgeo.org/mapguide/ticket/2836#comment:1>
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