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TWKB does not paint geometries in high zoom levels #9

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zenitraM opened this issue Nov 3, 2015 · 2 comments
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TWKB does not paint geometries in high zoom levels #9

zenitraM opened this issue Nov 3, 2015 · 2 comments
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@dgaubert

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@zenitraM
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zenitraM commented Nov 3, 2015

steps to reproduce:

  • use postgis datasource, twkb_encoding: true
  • have a point at some high coordinates away from 0, 0 (for example, coast of California, north pole)
  • try to render it at high zoom levels (reproduced with zoom >=19)

It seems changing the value of twkb_rounding_adjustment to a high level changes the zoom level the point is visible on, so it seems like it is related.

See #3, #5 to find where TWKB is implemented.

cc @rochoa @javisantana @pramsey
@iriberri
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iriberri commented Nov 5, 2015

SB/7174891 cc @ernesmb

@zenitraM
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zenitraM commented Nov 5, 2015

We've now disabled TWKB in prod for the time being

dgaubert pushed a commit that referenced this issue Nov 6, 2015
Fixed issue #9 when reads from unsigned 64bit varInt for TWKB inputs.
74536e8
dgaubert pushed a commit that referenced this issue Nov 6, 2015
Fixed issue #9 in postgis datasource, resolved bad conversion from un…
6ca0182 
…signed 64bit varInt when TWKB is enabled
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@zenitraM @iriberri @dgaubert