[postgis-tickets] [PostGIS] #3435: Unexpected output from ST_AsX3D with PolyhedralSurfaceZ

PostGIS trac at osgeo.org
Wed Feb 24 02:25:43 PST 2016


#3435: Unexpected output from ST_AsX3D with PolyhedralSurfaceZ
----------------------------+---------------------------
  Reporter:  tomvantilburg  |      Owner:  robe
      Type:  defect         |     Status:  new
  Priority:  medium         |  Milestone:  PostGIS 2.2.2
 Component:  postgis        |    Version:  2.2.x
Resolution:                 |   Keywords:
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Comment (by tomvantilburg):

 I've been looking at the possible drawbacks of setting the default to
 convex='false' (I would expect some penalty on calculation) but couldn't
 find any in the documentation.
 A quick test with just over 800 shapes (building footprints) didn't show
 any degradation in frame speed (both around 20 fps) when using a default
 of false.

 Therefore I would suggest to set it to false, wouldn't break anything
 anyway. I can do a pull request if preferred.

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Ticket URL: <https://trac.osgeo.org/postgis/ticket/3435#comment:5>
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