PostGIS is a database extension for PostgreSQL providing additional spatial types, indexes, functions, and aggregates.
Questions tagged [postgis]
280 questions
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Howto do a hard upgrade from postgis-1.5 to postgis-2.0
I need to upgrade from postgis 1.5 to postgis 2.0 but i cant backup my data and restore it can someone give me a link where it is clear enough for doing this?
USER123
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Store lat lon in addition to the geography data type?
It's my first time using Postgis, I have been doing some reading on using it. I have added a geography data type to my table, but the values are stored in a binary format. Is it good practice to also store the lat and lon in separate columns as text…
Arya
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How to make ST_DWithin to use meters for distance in Postgis?
I have already asked a similar question here:
Find the nearest geo points across two tables with Postgis (or without)?
but now I am stuck around the correct geo-reference to calculate the distance in ST_DWithin. What I have did with my tables is…
Randomize
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Postgis building with `make docs`, "cannot parse /html/docbook.xsl"
When I try to build the docs, I'm getting,
make -C doc html
make[1]: Entering directory '/home/ecarroll/code/postgis/doc'
make -C html/image_src images
make[2]: Entering directory '/home/ecarroll/code/postgis/doc/html/image_src'
make[2]: Nothing to…
Evan Carroll
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