Talk:Exercise 52
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==Creation of color-composite== | ==Creation of color-composite== | ||
| − | If i create the map by exporting to *.tif, i receive a greyscale map giving no information on any changes in the NDVI. It seems to work when i compose the three layers via {{typed|text=r.composite}}, with the 1992-NDVI map as red and the 2005 green/blue NDVI-maps as green/blue band. | + | If i create the map by exporting to *.tif, i receive a greyscale map giving no information on any changes in the NDVI. It seems to work when i compose the three layers via {{typed|text=r.composite}}, with the 1992-NDVI map as red and the 2005 green/blue NDVI-maps as green/blue band. [[User:Lburgr|- Levent]] 15:22, 13 February 2011 (CET) |
As tif: | As tif: | ||
[[File:Change_NDVI_92_05_comp.jpg|400 px]] | [[File:Change_NDVI_92_05_comp.jpg|400 px]] | ||
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| + | As GRASS raster: | ||
| + | [[File:Ndvi_92_to_05.jpg|400px]] | ||
Latest revision as of 15:22, 13 February 2011
[edit] Data not provided
The necessary data is unfortunately not provided in the data folder. - Levent 18:58, 18 January 2011 (CET)
- Thank you Hans, i have it now. - Levent 15:21, 13 February 2011 (CET)
[edit] Creation of color-composite
If i create the map by exporting to *.tif, i receive a greyscale map giving no information on any changes in the NDVI. It seems to work when i compose the three layers via r.composite, with the 1992-NDVI map as red and the 2005 green/blue NDVI-maps as green/blue band. - Levent 15:22, 13 February 2011 (CET)
As tif:
As GRASS raster:
