Hi,
They've contacted me from an agency where they have a contractor
preparing some geographical data for them, and the contractor is going
to deliver the data on a CD. I'm being asked what file format they
should request. They originally intended to ask for arcinfo files,
but now they are more interested in open source systems. Does grass
read arcinfo data interchange files? But, in any case, an open
standard for such interchange would be preferable, is there any that
is reasonably widely supported?
Thanks!
Hallo,
look at http://gdal.maptools.org/formats_list.html
and after http://gdal.maptools.org/frmt_various.html#AIG should be
supported.
But I do not have any experience with this format, maybe someone else
will know more.
Jachym
On Mon, May 15, 2006 at 11:03:46AM +0300, Antonis Christofides wrote:
Hi,
They've contacted me from an agency where they have a contractor
preparing some geographical data for them, and the contractor is going
to deliver the data on a CD. I'm being asked what file format they
should request. They originally intended to ask for arcinfo files,
but now they are more interested in open source systems. Does grass
read arcinfo data interchange files? But, in any case, an open
standard for such interchange would be preferable, is there any that
is reasonably widely supported?
Thanks!
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Hi,
ARC-INFO both Shape files and e00 format can be opened by grass.
How ever
- shape files are preferred as they are readyly openable
2 e00 file (ARC-Info export format) can be used by downloading some
extra files.
Enjoy GRASS
Ravi Kumar
Antonis Christofides anthony@itia.ntua.gr wrote:
Hi,
They’ve contacted me from an agency where they have a contractor
preparing some geographical data for them, and the contractor is going
to deliver the data on a CD. I’m being asked what file format they
should request. They originally intended to ask for arcinfo files,
but now they are more interested in open source systems. Does grass
read arcinfo data interchange files? But, in any case, an open
standard for such interchange would be preferable, is there any that
is reasonably widely supported?
Thanks!
grassuser mailing list
grassuser@grass.itc.it
http://grass.itc.it/mailman/listinfo/grassuser
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Antonis Christofides wrote:
They've contacted me from an agency where they have a contractor
preparing some geographical data for them, and the contractor is going
to deliver the data on a CD. I'm being asked what file format they
should request. They originally intended to ask for arcinfo files,
but now they are more interested in open source systems. Does grass
read arcinfo data interchange files? But, in any case, an open
standard for such interchange would be preferable, is there any that
is reasonably widely supported?
Antonis,
Sorry to add another variable to the confusion 
Many people do not know that OGR supports ArcInfo binary coverages
(AVCBin) as well [1]. So, yes, GRASS should be able to read in ArcInfo
format files. If it is vector data that is in the form of an ArcInfo
"coverage" then you'd use the v.in.ogr command to import one of its
".adf" files.
If it is an .e00 file (arcinfo interchange format), then you have a
couple options (one was already mentioned). I normally use a set of
tools called avcimport [2] to "import" the .e00 file into a coverage
format. Then I use OGR tools [3] or GRASS v.in.ogr to import the data
into GRASS or other formats [4].
Hope that helps. You will likely be fine no matter what format they
give you data in.
Tyler
[1] http://gdal.maptools.org/ogr/drv_avc.html
[2] http://avce00.maptools.org/avce00/index.html
[3] http://gdal.maptools.org/ogr/ogr2ogr.html which is included in:
http://fwtools.maptools.org/
[4] http://gdal.maptools.org/ogr/ogr_formats.html
Tyler Mitchell wrote:
...
If it is an .e00 file (arcinfo interchange format), then you have a
couple options (one was already mentioned). I normally use a set of
tools called avcimport [2] to "import" the .e00 file into a coverage
format. Then I use OGR tools [3] or GRASS v.in.ogr to import the data
into GRASS or other formats [4].
... or simply use v.in.e00
v.in.e00 help
Description:
Import of E00 file into a vector map.
Usage:
v.in.e00 [-v] [--o] file=string type=string [vect=string]
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