[GRASS5] [bug #2656] (grass) v.out.ogr fails to write negative cat values
Radim Blazek
blazek at itc.it
Wed Oct 13 04:03:02 EDT 2004
Yes.
Radim
On Tuesday 12 October 2004 20:55, William K wrote:
> Ah. Should I refile this as a bug for r.contour?
>
> On Oct 12, 2004, at 10:57 AM, Radim Blazek wrote:
> > 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.
> >>
> >> -------------------------------------------- Managed by Request
> >> Tracker
> >>
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> >
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> -----
> William Kyngesburye <kyngchaos at charter.net>
> http://webpages.charter.net/kyngchaos/
>
> [Trillian] What are you supposed to do WITH a maniacally depressed
> robot?
>
> [Marvin] You think you have problems? What are you supposed to do if
> you ARE a maniacally depressed robot? No, don't try and answer, I'm
> 50,000 times more intelligent than you and even I don't know the
> answer...
>
> - HitchHiker's Guide to the Galaxy
>
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