[Xastir] Proposed change to handling of gps-downloaded shapefiles.

[Gerry Creager]

Tom Russo wrote:
> On Wed, Dec 13, 2006 at 02:51:58PM -0600, we recorded a bogon-computron collision of the <gerry.creager at tamu.edu> flavor, containing:
>> Curt Mills wrote:
>>> On Wed, 13 Dec 2006, Tom Russo wrote:
>>>
>>>> Now a question: is anyone aware of a good tool for tweaking shapefiles, 
>>>> as in
>>>> removing garbage points?  I downloaded a GPS track, and there was a 
>>>> single extra point at the beginning that was garbage --- several degrees 
>>>> jump from
>>>> the first and second point, and after that it was fine.  Xastir is drawing
>>>> a huge line from the starting point to the second point, and has a 
>>>> rendering problem at zoom levels below 8 when it tries to draw that line 
>>>> (fills the screen
>>>> with horizontal bars).  Unfortunately, I cannot find any tool that will 
>>>> let
>>>> me delete that first point from the shapefile.  I've tried qgis, but even
>>>> though it'll let me edit the layer and will flash the point when I click
>>>> the "delete vertex" tool on it, it doesn't actually do the deletion.  
>>>> Grrr.
>>>> Any helpful hints would be welcome.
>>> Can't help you on the editor, except perhaps GRASS.
>> Quantum GIS (QGIS)?
> 
> Er... look up 6 lines or so.  That's actually the only tool I tried, and it 
> simply didn't do the trick.  It'd let me click the "delete vertex" tool on the 
> unwanted vertex till the cows came home, and when it saved changes the stupid 
> thing was still there.
> 
> To use GRASS would require importing the shapefile to a GRASS format, using
> v.digit to tweak it, then exporting it as a shapefile again --- and GRASS 
> would then monkey with the attributes.

Sorry!  I did miss that.  Please feed that back into the bug reports for 
QGIS.  I'll see if I can duplicate and feed it back as well.

gerry
-- 
Gerry Creager -- gerry.creager at tamu.edu
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