[mapserver-users] symbols indexed by an attribute

[Jamie Smedsmo]

We do have a per/mapscript document coming.  Hopefully we'll have it 
online sometime next week.

Jamie

Doug Williams wrote:

>Beware: that documentation is for Version 3.3 perl mapscript.
>
>On Wednesday 13 February 2002 11:08, Stephen Woodbridge wrote:
>
>>http://mapserver.gis.umn.edu/mapscript.html
>>
>>Pushkar Pradhan wrote:
>>
>>>Thanks Steve,
>>>I am now trying to built mapscript with perl, but there doesn't seem to
>>>be any documentation on that. Can anyone point me if there is docum.
>>>available on this, otherwise I will try to use php/mapscript?
>>>I welcome suggestions and your experience from everybody about perl vs.
>>>php with mapscript.
>>>
>>>On Tue, 12 Feb 2002, Stephen Woodbridge wrote:
>>>
>>>>I think you need to use mapscript then it should not be a problem.
>>>>Using mapscript implies that you build your web navigation tool using
>>>>the Perl or PHP version of mapscript.
>>>>
>>>>-Steve
>>>>
>>>>Pushkar Pradhan wrote:
>>>>
>>>>>Hi everyone,
>>>>>My team wants me to create markers, lines and shades depend. upon
>>>>>particular attribs. from the shapefile.
>>>>>Eg. they created an attr. Shade_sym which is a no., that no. should
>>>>>be used to fetch symbol from the map file e.g. if Shade_sym = 29, the
>>>>>29th symbol from the map file must be used.
>>>>>I do the foll. to accomplish the task:
>>>>>   CLASSITEM 'Shade_sym'
>>>>>   CLASS
>>>>>     NAME "sym = 29"
>>>>>     EXPRESSION ([Shade_sym] EQ 29)
>>>>>     SYMBOL 29
>>>>>     SIZE 2
>>>>>     COLOR 114 24 124
>>>>>   END
>>>>>Okay I think this is the optimal way, unless any body has other
>>>>>ideas. But they also want me to read COLOR AND/OR SIZE for the symbol
>>>>>from a file, e.g. the foll. is such a file, the first no. being the
>>>>>symbol no.: # value red green blue
>>>>>
>>>>>1 255 250 250
>>>>>2 248 248 255
>>>>>3 245 245 245
>>>>>4 220 220 220
>>>>>5 255 250 240
>>>>>Thus I should be able to use the attr. Shade_sym's value 29 to index
>>>>>into this file and assign the RGB values to COLOR?
>>>>>Is there a way to do this? I've tried to be very brief.
>>>>>Thanks,
>>>>>---------------------------------------------------------------------
>>>>>--------- PUSHKAR S. PRADHAN
>>>>>Research Assistant
>>>>>MISSISSIPPI STATE UNIVERSITY,
>>>>>STARKVILLE, MS 39759.
>>>>>
>>>>>Engineering Research Center
>>>>>Box 9627
>>>>>Mississippi State, MS 39762-9627
>>>>>---------------------------------------------------------------------
>>>>>---------
>>>>>
>>>-------------------------------------------------------------------------
>>>----- PUSHKAR S. PRADHAN
>>>Research Assistant
>>>MISSISSIPPI STATE UNIVERSITY,
>>>STARKVILLE, MS 39759.
>>>
>>>Engineering Research Center
>>>Box 9627
>>>Mississippi State, MS 39762-9627
>>>-------------------------------------------------------------------------
>>>-----
>>>
>
>