[GRASS5] [bug #2656] (grass) v.out.ogr fails to write negative cat values

[Radim Blazek]

Cat values should never be negative. r.contour should 
be modified to create a table.

Radim

On Monday 11 October 2004 19:47, Request Tracker wrote:
> this bug's URL: http://intevation.de/rt/webrt?serial_num=2656
> -------------------------------------------------------------------------
>
> Subject: v.out.ogr fails to write negative cat values
>
> Platform: Mac OSX
> grass obtained from: Trento Italy site
> grass binary for platform: Compiled from Sources
> GRASS Version: 5.7cvs20041009
>
> When exporting a vector map with no attribute table, just cats, and the
> cats contain some negative values, those negative values don't get
> exported.  The feature is still exported, just with no cat value. GRASS
> says 'WARNING: nn features without category written' on all formats.  In a
> shapefile, the values in the dbf are a string of asterisks '***********'. 
> In a csv file it's just empty.  In a MapInfo dat file, I can't tell for
> sure (just poking around with a hex editor), but it looks like they are
> either zero or null.
>
> Example: lines generated from r.contour get no attribute table, with the
> elevations (rounded to integers) in the category, and lines that are below
> sea level (or otherwise negative elevation) get negative categories.
>
> v.out.ascii works fine and exports negative cat values.
>
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>
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