MapScript SetSymbolSet

[Tamas Szekeres]

Have you compiled mapserver with thread support?



On Thu, 16 Feb 2006 13:47:32 -0800, Christopher Condit <condit at SDSC.EDU> wrote:

>But then I'll have an extra file lying around.
>
>The original problem was that I wanted to use the same symbol set for
>every user session.  I don't know why that failed.  But now I've got it
>working - I hacked mapserver so that symbols always gets inMapFile set
>TRUE.  This solves my problem for now.  I guess I should add a check to
>see if symbolsetname is null.  If not, then write to mapfile, otherwise
>write to symbolfile.  Or I guess you should be able to have both!
>Symbols in the mapfile and external symbols...
>
>-----Original Message-----
>From: UMN MapServer Users List [mailto:MAPSERVER-USERS at lists.umn.edu] On
>Behalf Of Tamas Szekeres
>Sent: Thursday, February 16, 2006 1:36 PM
>To: MAPSERVER-USERS at lists.umn.edu
>Subject: Re: [UMN_MAPSERVER-USERS] MapScript SetSymbolSet
>
>You should save the symbolset before saving the map
>
>see
>
>http://mapserver.gis.umn.edu/bugs/show_bug.cgi?id=1670
>
>for more details
>
>Tamas
>
>
>On Wed, 15 Feb 2006 16:45:57 -0800, Christopher Condit <condit at SDSC.EDU>
>wrote:
>
>>Argh - the map instance keeps this and works fine, but refuses to write
>>it out to the map file:
>>
>>symbolObj circle = new symbolObj("circle", null);
>>circle.type = (int)MS_SYMBOL_TYPE.MS_SYMBOL_ELLIPSE;
>>circle.filled = mapscript.MS_TRUE;
>>lineObj line = new lineObj();
>>line.add(new pointObj(1, 1, 0, 0));
>>circle.sizex = 1;
>>circle.sizey = 1;
>>map.symbolset.appendSymbol(circle);
>>
>>later I use:
>>
>>sty.symbol = map.symbolset.index("circle");
>>
>>which works fine - sets the index properly.  No symbols get written to
>>the mapfile, however.  Is there something special I need to do to get
>>the symbols to write out?
>>
>>Thanks,
>>
>>Chris
>>
>>-----Original Message-----
>>From: UMN MapServer Users List [mailto:MAPSERVER-USERS at LISTS.UMN.EDU]
>On
>>Behalf Of Sean Gillies
>>Sent: Wednesday, February 15, 2006 4:16 PM
>>To: MAPSERVER-USERS at LISTS.UMN.EDU
>>Subject: Re: [UMN_MAPSERVER-USERS] MapScript SetSymbolSet
>>
>>Oh, I see. Yeah, it's possible. Here's an example from one of my
>>Python projects:
>>
>>     circle = mapscript.symbolObj('circle')
>>     circle.type = mapscript.MS_SYMBOL_ELLIPSE
>>     circle.filled = mapscript.MS_TRUE
>>     line = mapscript.lineObj()
>>     line.add(mapscript.pointObj(1,1))
>>     circle.setPoints(line)
>>     circle.sizex = 1
>>     circle.sizey = 1
>>     mo.symbolset.appendSymbol(circle)
>>
>>The "mo" name is bound to a mapObj. It's very important to get sizex
>>and sizey right, should be the width and height of the symbol in the
>>same units as the point and line coordinates used to construct the
>>symbol.
>>
>>To use this symbol
>>
>>     style.symbol = mo.symbolset.index('circle')
>>
>>Translate this into C# and you should be good to go.
>>
>>cheers,
>>Sean
>>
>>On Feb 15, 2006, at 5:03 PM, Christopher Condit wrote:
>>
>>> Hi Sean-
>>> Is there a way to accomplish this with MapScript?  All I see is a
>>> way to
>>> set the symbolset.
>>>
>>> Thanks,
>>>
>>> Chris
>>>
>>> -----Original Message-----
>>> From: UMN MapServer Users List [mailto:MAPSERVER-
>>> USERS at LISTS.UMN.EDU] On
>>> Behalf Of Sean Gillies
>>> Sent: Wednesday, February 15, 2006 3:58 PM
>>> To: MAPSERVER-USERS at LISTS.UMN.EDU
>>> Subject: Re: [UMN_MAPSERVER-USERS] MapScript SetSymbolSet
>>>
>>> On Feb 15, 2006, at 3:19 PM, Christopher Condit wrote:
>>>
>>>> Hi Julien-
>>>> Thanks for your response.  Here are the contents of the symbol file:
>>>> SYMBOLSET
>>>>   SYMBOL
>>>>     NAME 'circle'
>>>>     TYPE ELLIPSE
>>>>     POINTS 1 1 END
>>>>     FILLED TRUE
>>>>   END
>>>> END
>>>>
>>>> The problem I'm having is intermittent and I can't reliably
>reproduce
>>>> it.  My only thought was that for some reason mapscript couldn't
>read
>>>> the file.  Is there any way to embed these symbols directly in the
>>>> mapfile instead of referencing the symbolset file?
>>>>
>>>> Thanks,
>>>>
>>>> Chris
>>>
>>> Yes, just add any SYMBOL block as a child of the top-level map.
>>>
>>> Sean
>>>
>>
>>---
>>Sean Gillies
>>sgillies at frii dot com
>>http://zcologia.com/news