I'm calling GRASS r.topidx from QGIS 2.2.0. I can get other tools to work on the DTM, for example r.watershed. But r.topidx I get the Oops message:

Oooops! The following output layers could not be open output: C:/Users/User/Documents/GIS DataBase/Gills/Terrain/TopIdx.tif The above files could not be opened, which probably indicates that they were not correctly produced by the executed algorithm Checking the log information might help you see why those layers were not created as expected This algorithm requires GRASS to be run. A test to check if GRASS is correctly installed and configured in your system has been performed, with the following result: GRASS seems to be correctly installed and configured

Looking at the log, I find: C:\PROGRA~1\QGISVA~1\bin>r.topidx input=tmp14037940151265 Output topographic index layer=Output topographic index layer1a269dc6704c40399e5421e3bc50f16e --overwrite Sorry is not a valid option Sorry is not a valid option Sorry is not a valid option Sorry, is not a valid parameter Sorry is not a valid option Sorry is not a valid option Sorry is not a valid option ERROR: Required parameter not set: (Output topographic index map)

But, as you can see from the Ooops (very annoying) message, the output file is set to /TopIdx.tif. which should be OK?

Any idea what might be going wrong here?

Thank you,

John

I'm calling GRASS r.topidx from QGIS 2.2.0. I can get other tools to work on the DTM, for example r.watershed. But r.topidx I get the Oops message:

Oooops! The following output layers could not be open output: C:/Users/User/Documents/GIS DataBase/Gills/Terrain/TopIdx.tif The above files could not be opened, which probably indicates that they were not correctly produced by the executed algorithm Checking the log information might help you see why those layers were not created as expected This algorithm requires GRASS to be run. A test to check if GRASS is correctly installed and configured in your system has been performed, with the following result: GRASS seems to be correctly installed and configured

Looking at the log, I find: C:\PROGRA~1\QGISVA~1\bin>r.topidx input=tmp14037940151265 Output topographic index layer=Output topographic index layer1a269dc6704c40399e5421e3bc50f16e --overwrite Sorry is not a valid option Sorry is not a valid option Sorry is not a valid option Sorry, is not a valid parameter Sorry is not a valid option Sorry is not a valid option Sorry is not a valid option ERROR: Required parameter not set: (Output topographic index map)

But, as you can see from the Ooops (very annoying) message, the output file is set to /TopIdx.tif. which should be OK?

Any idea what might be going wrong here?