[Qgis-user] Zonal Statistics Computation
Blumentrath, Stefan
Stefan.Blumentrath at nina.no
Thu Mar 12 03:42:55 PDT 2015
Related to this one: https://hub.qgis.org/issues/11135
?
Cheers
Stefan
From: qgis-user-bounces at lists.osgeo.org [mailto:qgis-user-bounces at lists.osgeo.org] On Behalf Of Leo Kris Palao
Sent: 12. mars 2015 11:06
To: QGIS Mailing List
Subject: [Qgis-user] Zonal Statistics Computation
Hi QGIS Users,
I would like to ask if anybody have experienced getting different results using A) Zonal Statistics Plugin and B) Zonal Statistics in Graphical Modeler?
Here is the description of our Dataset:
Vector
5 features (2 features have area of 1.74 and 1.89 ha; 3 features have less than 1 ha. area). These are farmer plots.
Raster
pixel size is 180m X 180m = 3.24ha.
Processing
Running Zonal Statistics in Graphical Modeler:
Only computes realistic statistics for 2 features (area having 1.74 and 1.89 ha) but gives weird computation for features having less than 1 ha. For features less than 1 ha, it gives values 0.0000 and 1.0000
Running Zonal Statistics in Raster > Zonal Statistics > Zonal Statistics:
It gives realistic values for all features.
This happens in QGIS "Brighton" and "Wien".
Thanks,
-Leo
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