<div dir="ltr"><div><div>Have now tried to run v.rast.stats in Grass 7.0. It start and run 100% off one core in hours, until a file in ~/grassdata/location/PERMANENT/.tmp/ inflate to the disk is full, approximate 150GB :(<br><br></div>Have made topology check on the vector-data and imported it to grassdb. Will see if I can collect usefull data and ask on grass-user list.<br><br></div><div>Stupid Ubuntu 14.04 to not messure invisible files in the normal file-manager, had gone faster to pinpoint the problem. <br></div><div><br></div>/Cheers<br></div><div class="gmail_extra"><br><div class="gmail_quote">2015-04-19 18:54 GMT+02:00 Micha Silver <span dir="ltr"><<a href="mailto:micha@arava.co.il" target="_blank">micha@arava.co.il</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
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<div>On 04/19/2015 12:34 PM, Johan Nilsson
wrote:<br>
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<div>Zonal statistics work well to extract, numers of
cells(counts) , sum of the value (sum) and also average
(mean) But I want the minimum AND max-value and also
standard error, if possible. Is there another plugin or a
tutorial how it may bee done in another way.<br>
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The GRASS module v.rast.stats does what you want. But it's not in
the Processing toolbox. You can import your raster into a GRASS
mapset then do the analysis directly within GRASS.<br>
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<div>The code to Zonal statistics are here, but I'm total lost
in how it work.<br>
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<a href="https://github.com/qgis/QGIS/blob/a2f51260db5357917e86b78f1bb2915379d670dd/src/analysis/vector/qgszonalstatistics.cpp" target="_blank">https://github.com/qgis/QGIS/blob/a2f51260db5357917e86b78f1bb2915379d670dd/src/analysis/vector/qgszonalstatistics.cpp</a><br>
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/Cheers<br>
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