Re: [GRASS-user] r.stream.order and accum map

2013-02-22 Thread jentjr
>From a comment on line 74 of main.c it looks like the accumulation map is required when calculating the Strahler stream order. in_acc_opt->key = "accum"; /* required if strahler stream order is calculated for existing stream network */ in_acc_opt->type = TYPE_STRING; in_acc_opt->required =

[GRASS-user] Re: r.stream.extract with external flow accumulation maps

2011-06-27 Thread jentjr
It worked! I also tried it without changing the spatial extent of the map and it worked. So, I just needed to set the null values to zero. Thanks for the patience, Justin Jent -- View this message in context: http://osgeo-org.1803224.n2.nabble.com/r-stream-extract-with-external-flow-accumulatio

[GRASS-user] Re: r.stream.extract with external flow accumulation maps

2011-06-27 Thread jentjr
I also tried that by first setting the region equal to the elevation map and then using r.mapcalc to create a new accumulation map. Both the elevation and accumulation maps have the same spatial extent and resolution, but I still get the error. I believe that the flow accumulation grid was produce

[GRASS-user] Re: r.stream.extract with external flow accumulation maps

2011-06-27 Thread jentjr
Thank you for the replies. I set the region to the flow accumulation map, and I still received the error though. Here is the region output for both the elevation and flow accumulation maps Elevation: GRASS 6.4.1 (NAD83_GRS80_LCC):~ > g.region -p rast=elev_cm@hydrology projection: 99 (Lambert Con

[GRASS-user] r.stream.extract with external flow accumulation maps

2011-06-26 Thread jentjr
All, I am trying to use r.stream.extract with the National Hydrography Dataset Plus, which includes elevation, flow direction and flow accumulation maps. I recently read the paper by Jasiewicz and Metz that states, "...network modeling is based on accumulation maps that are created internally or c

[GRASS-user] Re: Where should the file python-wxversion be located?

2011-06-21 Thread jentjr
Hi Tom, I'm not sure if this helps you, but I have GRASS7 running on Ubuntu 11.04 and this is where python-wxversion is located on my machine. justinjent@ubuntu:~$ locate wxversion /usr/lib/python2.6/dist-packages/wxversion.py /usr/lib/python2.6/dist-packages/wxversion.pyc /usr/lib/python2.7/dist

[GRASS-user] GRASS-6.4.1RC1 Error with GDAL 1.7 and 1.8

2011-02-26 Thread jentjr
Hello, The other day I installed version 6.4.1RC1 on mac os x. I get the following error when I try to import import files. I have both the complete GDAL frameworks 1.7 and 1.8 installed on my computer. I went back and reinstalled version 1.7 and reinstalled GRASS, but I keep getting this error. A