Opened 15 years ago
Last modified 9 years ago
#906 new defect
r.out.gdal (VRT) broken output — at Initial Version
| Reported by: | epifanio | Owned by: | |
|---|---|---|---|
| Priority: | normal | Milestone: | 6.4.6 |
| Component: | Raster | Version: | svn-develbranch6 |
| Keywords: | r.out.gdal, VRT | Cc: | |
| CPU: | x86-64 | Platform: | MacOSX |
Description
tring to generate a VRT file using r.out.gdal i get a broken file (not loadable in ossim and qgis) using gdal_translate i get a different results.
using r.out.gdal
r.out.gdal input=geology at PERMANENT format=VRT type=Byte output=name.vrt
r.out.gdal input=geology at PERMANENT format=VRT type=Byte output=name.vrt Exporting to GDAL data type: Byte Checking GDAl data type and nodata value Input raster map contains cells with NULL-value (no-data). The value 255 will be used to represent no-data values in the input map. You can specify a nodata value with the nodata option. Exporting to GDAL raster ERROR 1: Writing through VRTSourcedRasterBand is not supported. Unable to write GDAL raster file Unable to export raster map <geology at PERMANENT> r.out.gdal complete. (Thu Feb 4 00:53:22 2010) Command finished (0 sec)
i get this output :
#############################################
<VRTDataset rasterXSize="1899" rasterYSize="1398">
<SRS>PROJCS["UTM Zone 13, Northern Hemisphere",GEOGCS["clark66",DATUM["North_American_Datum_1927",SPHEROID["Clarke_1866",6378206.4,294.9786982]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-105],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["meter",1]]</SRS> <GeoTransform> 5.9001000000000000e+05, 1.0000000000000000e+01, 0.0000000000000000e+00, 4.9280000000000000e+06, 0.0000000000000000e+00, -1.0000000000000000e+01</GeoTransform> <VRTRasterBand dataType="Byte" band="1">
<NoDataValue>2.55000000000000E+02</NoDataValue> <ColorInterp>Palette</ColorInterp> <ColorTable>
<Entry c1="197" c2="129" c3="125" c4="255"/> <Entry c1="107" c2="250" c3="75" c4="255"/> <Entry c1="226" c2="83" c3="250" c4="255"/> <Entry c1="246" c2="222" c3="188" c4="255"/> <Entry c1="123" c2="225" c3="27" c4="255"/> <Entry c1="134" c2="190" c3="1" c4="255"/> <Entry c1="48" c2="86" c3="221" c4="255"/> <Entry c1="113" c2="70" c3="15" c4="255"/> <Entry c1="102" c2="134" c3="101" c4="255"/> <Entry c1="89" c2="135" c3="169" c4="255"/>
</VRTRasterBand>
</VRTDataset>
#############################################
this output is different from the gdal output :
gdal_translate -of VRT /Users/sasha/Downloads/spearfish60/PERMANENT/cellhd/geology /Users/sasha/Desktop/geology.vrt
#############################################
<VRTDataset rasterXSize="190" rasterYSize="140">
<SRS>PROJCS["UTM Zone 13, Northern Hemisphere",GEOGCS["clark66",DATUM["North_American_Datum_1927",SPHEROID["Clarke_1866",6378206.4,294.9786982]],PRIMEM["Greenwich",0],UNIT["degree",0.0174532925199433]],PROJECTION["Transverse_Mercator"],PARAMETER["latitude_of_origin",0],PARAMETER["central_meridian",-105],PARAMETER["scale_factor",0.9996],PARAMETER["false_easting",500000],PARAMETER["false_northing",0],UNIT["meter",1]]</SRS> <GeoTransform> 5.9000000000000000e+05, 1.0000000000000000e+02, 0.0000000000000000e+00, 4.9280000000000000e+06, 0.0000000000000000e+00, -1.0000000000000000e+02</GeoTransform> <Metadata/> <VRTRasterBand dataType="Byte" band="1">
<Metadata>
<MDI key="COLOR_TABLE_RULES_COUNT">0</MDI>
</Metadata> <NoDataValue>0.00000000000000E+00</NoDataValue> <ColorInterp>Palette</ColorInterp> <ColorTable>
<Entry c1="197" c2="129" c3="125" c4="255"/> <Entry c1="107" c2="250" c3="75" c4="255"/> <Entry c1="226" c2="83" c3="250" c4="255"/> <Entry c1="246" c2="222" c3="188" c4="255"/> <Entry c1="123" c2="225" c3="27" c4="255"/> <Entry c1="134" c2="190" c3="1" c4="255"/> <Entry c1="48" c2="86" c3="221" c4="255"/> <Entry c1="113" c2="70" c3="15" c4="255"/> <Entry c1="102" c2="134" c3="101" c4="255"/> <Entry c1="89" c2="135" c3="169" c4="255"/>
<SourceFilename relativeToVRT="0">/Users/sasha/Downloads/spearfish60/PERMANENT/cellhd/geology</SourceFilename> <SourceBand>1</SourceBand> <SourceProperties RasterXSize="190" RasterYSize="140" DataType="Byte" BlockXSize="190" BlockYSize="1"/> <SrcRect xOff="0" yOff="0" xSize="190" ySize="140"/> <DstRect xOff="0" yOff="0" xSize="190" ySize="140"/>
</VRTRasterBand>
</VRTDataset>
#############################################
the grass output doesn't include :
...
it is missed and tring to load the output in ossim or qgis it is not displayed.
from a chat on #gdal seems the problem is related to the "create_copy()" usage .. but i'm not able to debug it.
thanks!
Massimo.
grass output