On Tue, Jul 28, 2009 at 4:23 PM, Paolo Cavallini wrote:
> Hi all.
> Sorry for crossposting - I do not know whether the problem resides in
> grass or in qgis.
I have tested, it is in QGIS. See below...
> I'm following:
> http://trac.osgeo.org/grass/wiki/HowToTestGrass6
> All fine, but for the fact that the calculated ndvi map appears on grey
> scale, and applying the ndvi color table does not change it.
> /usr/lib/grass64/etc/colors/ndvi seems ok:
>
> -1.000 5 24 82
> -0.300 5 24 82
> -0.180 255 255 255
> 0.000 255 255 255
> 0.025 206 197 180
> 0.075 191 163 124
> 0.125 179 174 96
> 0.150 163 181 80
> 0.175 144 170 60
> 0.233 166 195 29
> 0.266 135 183 3
> 0.333 121 175 1
> 0.366 101 163 0
> 0.433 78 151 0
> 0.466 43 132 4
> 0.550 0 114 0
> 0.650 0 90 1
> 0.750 0 73 0
> 0.850 0 56 0
> 0.950 0 31 0
> 1.000 0 0 0
The resulting NDVI map is colorized in GRASS. But also
here it isn't in QGIS (trunk from yesterday).
> I get these warnings:
> Warning: QPainter::setPen: Painter not active
> Warning: QPainter::setFont: Painter not active
> Warning: QPainter::end: Painter not active, aborted
> Warning: QPixmap::scaled: Pixmap is a null pixmap
> Warning: Object::connect: No such signal
> QgsRasterLayer::editingStarted() in
> /storage/build/qgis_unstable/src/app/legend/qgslegend.cpp:548
> Warning: Object::connect: No such signal
> QgsRasterLayer::editingStopped() in
> /storage/build/qgis_unstable/src/app/legend/qgslegend.cpp:549
Same messages here.
> But I do not know if they are relevant.
> Any ideas on how to approach this?
Some QGIS debugging...
best
Markus
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