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Updated canvas setting for min/max values of raster layer with pseudocolor style causes continuous updates #24887

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qgib opened this issue Aug 9, 2017 · 2 comments
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Updated canvas setting for min/max values of raster layer with pseudocolor style causes continuous updates #24887

qgib opened this issue Aug 9, 2017 · 2 comments
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Bug Either a bug report, or a bug fix. Let's hope for the latter! High Priority Regression Something which used to work, but doesn't anymore Symbology Related to vector layer symbology or renderers

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qgib commented Aug 9, 2017

Author Name: Johannes Kroeger (Johannes Kroeger)
Original Redmine Issue: 16988
Affected QGIS version: master
Redmine category:symbology

Load a (singleband?) raster layer.
Set a Singleband pseudocolor.
Select "Updated canvas" for the "Statistics extent".
QGIS will now continuously update those values, flickering between different ones, without the user moving the map extents/canvas at all.
QGIS should only update when the map extents/canvas actually changes.

Master from ~20 hours ago.

I noticed that even with just one layer loaded and not using pseudocolor but "Singleband gray", the min/max values update two times on each canvas move. Maybe that is related?
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qgib commented Aug 10, 2017

Author Name: Giovanni Manghi (@gioman)

  • regression was changed from 0 to 1
  • priority_id was changed from Normal to High

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qgib commented Oct 18, 2017

Author Name: Nyall Dawson (@nyalldawson)

Applied in changeset a406739.

  • done_ratio was changed from 0 to 100
  • status_id was changed from Open to Closed

@qgib qgib closed this as completed Oct 18, 2017
@qgib qgib added Bug Either a bug report, or a bug fix. Let's hope for the latter! High Priority Symbology Related to vector layer symbology or renderers Regression Something which used to work, but doesn't anymore labels May 25, 2019
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Bug Either a bug report, or a bug fix. Let's hope for the latter! High Priority Regression Something which used to work, but doesn't anymore Symbology Related to vector layer symbology or renderers
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