[GRASS-dev] gis.m: cannot get profile from profile tool

[Moritz Lennert]

Patton, Eric wrote:
> Hi guys,
> 
> I tried the porfiling tool with July 31 cvs, and I can't get it to work. The
> y-axis gets assigned correct values for the profile I've drawn, but no lines
> get drawn in the profile window. A tcltk window reports "Error: can't read
> "cumdist": no such variable"
> 
> You can view the output on my ftp site:  
> 
> ftp://agc.bio.ns.ca/outgoing/Patton/Grass/Bug%20Reports/

I actually got a similar error at one point, but then couldn't reproduce 
it...


Moritz

> 
> ~ Eric.
> 
> 
> -----Original Message-----
> From: grass-dev-bounces at grass.itc.it
> To: Michael Barton
> Cc: Grass Developers List
> Sent: 7/27/2006 2:33 AM
> Subject: Re: [GRASS-dev] gis.m: cannot get profile from profile tool
> 
> Michael Barton wrote:
>> Hi Moritz,
>>
>> Did you select a raster to profile? 
> 
> Yes, as you can see in the screenshot, it says in the bottom left: 
> "Profile for srtm_be".
> 
> 
>> Third button from the left on the
>> profiler toolbar. 
>> Rather like d.profile, the profiler differentiates between
>> a map you use as a background to the profiling line (what is shown in
> the
>> map display) and the map that you actually use to compute profile
> values.
> 
> 
> I understand that, but I still don't get a profile. Actually, I 
> sometimes do not even get the straight blue line you see in the 
> screenshot (http://moritz.homelinux.org/grass/gism_profile.png), just an
> 
> empty graph.
> 
> The min and max of the heights on the y axis seem correct, though.
> 
> Moritz
> 
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