I agree that this is a request that comes up often. As usual we'd just
need someone to lead the effort.
On 11-10-03 12:12 AM, Rahkonen Jukka wrote:
Hi,
Inspired by the Thomas Bonfort's rendering chain I have been thinking if we
could have a native support for using internal mapfile variables. Now Thomas
is setting for example a bunch of colours in a definition file which is
converted into a real mapfile with python script and c preprocessor.
http://mapserver-utils.googlecode.com/svn/trunk/README
http://mapserver-utils.googlecode.com/svn/trunk/generate_style.py
I would like to see a simple way for setting the variables directly in the
mapfile, somehow like
MAP
SET "pedestrian_clr" "#fafaf5"
SET "forest_clr" "#dcdcb4"
SET "industrial_clr" "#ebe5d9"
....
And then later in the layers use
LAYER
.....
COLOR %pedestrian_clr%
The internal variables could be interpreted only from the mapfile and they
could not be altered by the web users.
Internal variable would help in maintaining big mapfiles with repeating styles
like in the OpenStreetMap rendering case. Another use case is when the same
layers are re-used for several customers who like to have a bit different
styling for the same source data.
-Jukka Rahkonen-
-Jukka Rahkonen-
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Daniel Morissette
http://www.mapgears.com/
Provider of Professional MapServer Support since 2000
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