Details Ticket 2664


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Serial Number 2664
Subject r.contour writes negative elevations to category
Area grass5.7
Queue grass
Requestors kyngchaos@charter.net
Owner none
Status resolved
Last User Contact Mon Oct 18 15:55:11 2004 (4 yr ago)
Current Priority 30
Final Priority 70
Due No date assigned
Last Action Fri Oct 22 07:39:30 2004 (4 yr ago)
Created Thu Oct 14 19:06:05 2004 (4 yr ago)

Transaction History Ticket 2664


Thu, Oct 14 2004 19:06:05    Request created by guest  
Subject: r.contour writes negative elevations to category

Platform: Mac OSX
grass obtained from: Trento Italy site
grass binary for platform: Compiled from Sources
GRASS Version: 5.7cvs20041009

r.contour puts the contour elevations in the category.  A minor drawback is that
this rounds any 
fractional elevation values to integers, so is useless for fine detail contouring.
The big problem is 
that it will write negative categories, which I'm told is wrong.

r.contour should write elevations to a table.  It does put the elevations in
the z (height) of the 
vector, but there doesn't seem to be a height option to v.to.db (just length
and area).  That would be 
the other solution - maybe easier to do.
Mon, Oct 18 2004 15:55:11    Mail sent by blazek@itc.it  
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From Radim Blazek <blazek@itc.it>
To Request Tracker <grass-bugs@intevation.de>, grass5@grass.itc.it
Subject Re: [GRASS5] [bug #2664] (grass) r.contour writes negative elevations to category
Date Mon, 18 Oct 2004 15:54:53 +0200
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On Thursday 14 October 2004 19:06, Request Tracker wrote:
> this bug's URL: http://intevation.de/rt/webrt?serial_num=2664
> -------------------------------------------------------------------------
>
> Subject: r.contour writes negative elevations to category
>
> Platform: Mac OSX
> grass obtained from: Trento Italy site
> grass binary for platform: Compiled from Sources
> GRASS Version: 5.7cvs20041009
>
> r.contour puts the contour elevations in the category.  A minor drawback is
> that this rounds any fractional elevation values to integers, so is useless
> for fine detail contouring.  The big problem is that it will write negative
> categories, which I'm told is wrong.
>
> r.contour should write elevations to a table.  It does put the elevations
> in the z (height) of the vector, but there doesn't seem to be a height
> option to v.to.db (just length and area).  That would be the other solution
> - maybe easier to do.

Now it writes a table with levels.

WARNING: cats are not level values any more!

Radim


Fri, Oct 22 2004 07:39:30    Status changed to resolved by hbowman  
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