[GRASS-dev] problems with vector file import

GRASS GRASS developer
, ,
1

hi,

on grass 6.3, gdal 1.5.1 I can not import one vector file, nomatter,
if it is shapefile or GML (converted using ogr2ogr). I tested another
vector file with over 10 000 polygons, no problem

I get bunch of messeges like

[....]
WARNING: Area size [1.6e-05], area not imported
WARNING: Area size [2.5e-07], area not imported
WARNING: Area size [3.8e-05], area not imported
WARNING: Area size [3.0e-05], area not imported
WARNING: Area size [9.0e-06], area not imported
WARNING: Area size [1.6e-05], area not imported
WARNING: Area size [1.5e-05], area not imported
WARNING: Area size [5.1e-06], area not imported
WARNING: Area size [6.2e-06], area not imported
WARNING: Area size [8.6e-05], area not imported
[...]

and at the end, only four polygons are created (out of cca 60).

if I do display the file in qgis, everything looks all right

sample file can be downloaded from
(GML) http://les-ejk.cz/tmp/pole2009.gml
(SHP) http://les-ejk.cz/tmp/pole2009.tgz

what should I do?

thanks

jachym
--
Jachym Cepicky
e-mail: jachym.cepicky gmail com
URL: http://les-ejk.cz
GPG: http://www.les-ejk.cz/pgp/jachym_cepicky-gpg.pub

2

Jachym Cepicky:

on grass 6.3, gdal 1.5.1 I can not import one vector file,
nomatter, if it is shapefile or GML (converted using ogr2ogr).
I tested another vector file with over 10 000 polygons, no problem

I get bunch of messeges like

[....]
WARNING: Area size [1.6e-05], area not imported
WARNING: Area size [2.5e-07], area not imported
WARNING: Area size [3.8e-05], area not imported
WARNING: Area size [3.0e-05], area not imported
WARNING: Area size [9.0e-06], area not imported
WARNING: Area size [1.6e-05], area not imported
WARNING: Area size [1.5e-05], area not imported
WARNING: Area size [5.1e-06], area not imported
WARNING: Area size [6.2e-06], area not imported
WARNING: Area size [8.6e-05], area not imported
[...]

and at the end, only four polygons are created (out of cca 60).

if I do display the file in qgis, everything looks all right

v.in.ogr --help:

  min_area Minimum size of area to be imported (square units)
              Smaller areas and islands are ignored. Should be
              greater than snap^2
             default: 0.0001

adjust that option as needed.

sample file can be downloaded from
(GML) http://les-ejk.cz/tmp/pole2009.gml
(SHP) http://les-ejk.cz/tmp/pole2009.tgz

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Hamish