[mapserver-users] Mapserver: set symbol on lines according to line features length
wiltomap
wiltoma at gmail.com
Mon Nov 30 04:33:48 PST 2015
I need to display arrows alongside to line features. Lines represent water
pipes. The issue I'm facing is that lines are a concatenation of numerous
line features of various lengths. Therefore, symbols are attached to every
line, whatever its length. This makes symbols either overlaying or touching
eachother (as in example below).
<http://osgeo-org.1560.x6.nabble.com/file/n5239136/wpp.png>
Inside my mapfile, I define the display rules of my symbols in the STYLE
element:
STYLE
SYMBOL "wp_arrow"
GAP -100
COLOR 255 0 0
OFFSET -5 -99
SIZE 6
END
I would like these rules to apply only to line features being more than 10
meters long (or x map units).
Thanks in advance for help or any advice!
Thomas
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