Re: [Qgis-user] Raster to Vector without losing the symbology

2021-07-19 Thread Nicolas Cadieux
Hi, I looked at your problem.  Indeed, using the Group Stat plugin, you will not be able to easily identify which polygon has the highest values.  You can export a csv with the cross tabulation results but there is still no way to know which Polygon with the value A has highest value. You ca

Re: [Qgis-user] Raster to Vector without losing the symbology

2021-07-19 Thread Craig Shelden
Krishna, Can you share a bit more about the raster image source file? How discrete are the colors? If there are only a few colors, then this workflow may meet the need, however kludged it may be. See if this approach helps... it worked for me with only a few colors... with more than a few

Re: [Qgis-user] Raster to Vector without losing the symbology

2021-07-19 Thread Andy Harfoot
Or extract the three bands into three separate vector files and then union the three together to get the unique combinations of RGB values. Cheers, Andy On 18/07/2021 19:56, Nicolas Cadieux wrote: *CAUTION:* This e-mail originated outside the University of Southampton. Hi, You could create a