[Gdal-dev] ogr2ogr issues for vmap0 on Ubuntu Breezy

[Markus Neteler]

On Mon, Jun 12, 2006 at 12:54:13AM +0200, Paul Surgeon wrote:
> On Sunday 11 June 2006 22:44, Putler, Dan wrote:
> > Hi All,
> >
> > I'm trying to convert some vmap0 files to shapefile format (the
> > political boundary polygons to be exact) using ogr2ogr on an Ubuntu
> > "Breezy" system. I first used the FWTools 1.0.0b2 build of ogr2ogr to
> > do this. When doing the conversion, ogr2ogr doesn't complain, but
> > only writes out the field names and formats in the dbf along with the
> > prj file. The shp and shx file are created, but the don't appear to
> > have any actual information in them. Following this, I rebuilt the
> > gdal 1.3.1 library with ogdi support, and tried again, with the same
> > outcome (on all four vmap0 databases, so I don't think it is a
> > corruption issue). My guess is that I'm running into an Ubuntu
> > specific issue, but I'm not sure. Any ideas?
> >
> > On a related note, if someone has copies of the shapefile versions of
> > the political boundaries, allowing me to obtain them from you would
> > be greatly appreciated (yes, it is giving a man a fish, not teaching
> > him to fish, but it solves my short term problem).
> >
> > Dan
> 
> Hi Dan
> 
> It sounds like the case sensitive path issue that bit me a while back.
> A lot of vmap data was saved with mixed upper and lower case file names and 
> file extentions.

Hi,

these tricks are also explained here:

 "SRTM and VMAP0 data in OGR and GRASS"
  GRASS Newsletter, 3:2-6, June 2005.
  http://grass.itc.it/newsletter/index.php

+ Erratum of GRASS-News vol. 3 (June 2005)
  http://grass.itc.it/newsletter/GRASSNews_vol3_erratum.txt

Markus

> How I got around it is I placed the vmap0 data in a path without any upper 
> case letters in it (/home/paul/tmp/vmap0) and ran ogrinfo and ogr2ogr from 
> there.
> 
> If you prepend "strace -eopen" to your ogr commands you'll see where it's 
> hunting for files and whether it's finding them or not.
> 
> In same cases you may have to rename the vmap directories or files. Making 
> everything lower case is the easiest route.
> 
> paul at kubuntu:~/tmp/v0eur$ ogrinfo -so -ro 
> gltp:/vrf/home/paul/tmp/v0eur/vmaplv0/eurnasia 'polbnda at bnd(*)_area' | grep 
> "Feature"
> Feature Count: 5847
> 
> Regards
> Paul