I have just finished reading the following thread
Mapserver - User - How to display vector symbols (direction and magnitude) in
MapServer?
http://osgeo-org.1803224.n2.nabble.com/How-to-display-vector-symbols-direction-and-magnitude-in-MapServer-td1971531.html
Two questions --
1. What is the most efficient way to display vector data that comes to me on a
daily basis as text files. I have x,y, length and angle information in these
text files (along with some other info). I guess, I will have to massage the
files to convert them to clean CSV with only the first line containing the
column names. Then I can access the file as an OGRVRTDataSource. Or, should I
insert the data in a Pg table and then use that? The files will be refreshed
daily, so the processing needs to be done only once a day.
2. The thread above makes a mention of a Mapfile CLASS definition like so
CLASS
SYMBOL 'arrow'
ANGLE [Rate]
SIZE [Az]
COLOR 0 0 0
END
Is there an arrow symbol definition that I can use, or is that only possible
with truetype fonts?_______________________________________________
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