Yes, for plotting the maps in cartesian SVG I already do some of what it
looks like that does via php. I assume the earth is a perfect sphere and
calculate arc lengths where I need distance etc. - it looks like the
geography type may let me simplify my code even moreso.
You might want to look
First, thank you to the developers. Until about a week ago, my code for
range map generation was ugly and complex and broke frequently, and now
that I am using PostGIS - it's a LOT simpler.
I have one map that still needs to be ported to the new way of doing things.
Hallo
ST_Expand should do the trick.
http://postgis.org/documentation/manual-1.5/ST_Expand.html
/Nicklas
2010-07-20 Michael A. Peters wrote:
First, thank you to the developers. Until about a week ago, my code for
range map generation was ugly and complex and broke frequently, and now
that I am
Thank you. It did work with one caveat, I assume because all my shape data
is in WGS84 it added an equal number of specified decimal degrees to each
side but that was cake to adjust post ST_Expand and it now does exactly
what I want it to do.
Hallo
ST_Expand should do the trick.
You might want to look into the GEOGRAPHY type
http://postgis.refractions.net/docs/ch04.html#PostGIS_Geography to do
this nicely.
-Francis
On 21 July 2010 12:57, Michael A. Peters mpet...@shastaherps.org wrote:
Thank you. It did work with one caveat, I assume because all my shape data
is in