- ACCESS
- FILE FORMAT/PRINTING
- DECOMPRESSION
- IMPORT/TRANSLATION
- VIEW
- METADATA
- PROJECTION
- COPYRIGHT
Identify the appropriate file format by examining the
file extension:
| Extension |
File Format |
| .e00 |
ARC/INFO version 7.x exportfile |
| _meta.txt |
text metadata file associated with exportfile |
| .gz |
compressed using 'gzip' |
| .zip |
compressed using 'zip' or 'WinZip' |
| .rtl |
rtl plotfile for printing to Hewlett Packard plotter |
| .dgn |
Microstation |
| .eps |
postscript plot file |
Exportfile Format:
ARC/INFO datasets are posted here in Single Precision
EXPORT format. They are Single Precision coverages, exported
from ARC/INFO with the Arc EXPORT command with the COMPRESS
NONE option. This creates a .e00 output file suitable
for translation programs.
Printing Plotfiles without using Unix:
This little program has been around for a while and I have used it quite a
bit. It is freeware and does not have to be installed, you can put the exe
file anywhere. You simply drag and drop the plot file on top of the program
and then select your printer. For a non UNIX user it is much easier than
doing a "capture printer port" and using the copy command in DOS etc. If you
are sending plot files to someone it is a good file to include.
http://hem.passagen.se/ptlerup/prfile.html
Download the 32 bit version.
Steven Moslin
GIS Specialist
Conservation Data Centre
PO Box 9344
Station Prov. Govt
Victoria, BC V8W 9M1
(250) 387-3585 ph
(250) 387-2733 fax
mailto:steven.moslin@gems4.gov.bc.ca
Decopression software for .gz and .zip files can be downloaded
from:
Note: The majority of LUCO GIS files are NOT compressed
To use a compressed file, download the compressed file containing
the coverage (usually, this will be via ftp, or a WWW browser),
being sure to transfer using the 'binary' option, not ASCII.
Use one of:
- DOS command:
pkunzip <cover_name>.zip
- Unix command:
unzip <cover_name>.zip
- WinZip (which will handle both types of compression)
to uncompress the file.
ARC/INFO .e00 exportfiles are not directly usable by
some GIS software. They must first be :
- translated into another GIS, using its translation
software. Many GIS products have software to translate
ARC Export (.e00) files.
OR
- imported into ARC/INFO coverages. To do this, use
the ArcView or ARC/INFO 'IMPORT' command to create an
ARC/INFO coverage file.
The FMEBC
translation package is a useful tool for translating
data between various formats. It is available to download
along with documentation and a number of examples. FMEBC
won't read .e00 files, but FME at http://www.safe.comdoes.
ARC/INFO coverages can be viewed with software from ESRI,
such as ArcExplorer
for Windows 95/NT which is available with a no-charge,
royalty-free license. Note that ArcExplorer does not read
.e00 files - a translation utility is available from ESRI
at http://www.esri.com/software/arcexplorer/aedownload.html
In most directories, there is a README.TXT file. This
file is not standard throughout, and outlines coverage
metadata at various of levels of detail. It is advisable
to read this file BEFORE downloading associated coverages.
With many ARC/INFO coverages is a small .txt file containing
simple metadata for the coverage. The information in this
file is also contained in an INFO table in the coverage
itself (called cover_name.meta).
The BC
Environment Data Registry is a useful source of information
on metadata for BC government data.
LUCO GIS's standard projection is Albers Equal Area Conic.
The datum is NAD83, based on the GRS80 ellipsoid. All
coverages are in Albers unless otherwise noted. See BC
Environment's Standard Projection web page for parameters
and a disscussion of Albers and other projections.
All data in this site is copyright of the Province of
British Columbia.
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