[Chameleon] categorize single polygon layer into different color
Paul Spencer
pspencer at dmsolutions.ca
Fri Jun 3 06:19:56 EDT 2005
Rajan,
can you also send your legend template file please?
Paul
Rajan Man Bajracharya wrote:
> Dear Paul,
>
> Sorry to bother you once again. Though my previous problem have been
> solved to display with different color in a map but legend is not
> working accordingly. I have define NAME [string] i.e. the name to use in
> legends for this class in my map file. But after defining it,legend is
> not showing for separate classes. I tried using LEGEND tag for each
> CLASS but I think it's not the correct way to do.
>
> Do I need to make changes in legendtemplate widget?
>
> Also, METADATA
> SHOWINLEGEND "nope"
> END
> is not working at my end.
>
> LAYER
> ...
> CLASSITEM "AREA_COD_1"
> CLASS # how will this data look?
> EXPRESSION /1|6/
> NAME 'area_code1'
> OUTLINECOLOR 128 128 128
> COLOR 225 225 185
> TEXT "TEST"
> LABEL
> MINFEATURESIZE 40
> MINDISTANCE 150
> POSITION CC
> SIZE TINY
> COLOR 0 0 0
> END
> END
>
> CLASS
> EXPRESSION /2|7/
> NAME 'area_code2'
> OUTLINECOLOR 128 128 128
> COLOR 225 185 225
> STYLE
> COLOR 255 0 0
> END
> END
>
> and so on ...
>
> At 06:41 AM 6/2/2005 -0400, you wrote:
>
>> Rajan,
>>
>> this is a Map File issue, not a widget issue (and probably should have
>> been sent to the mapserver-users list). The short answer is to add
>> CLASSITEM <fieldname> to your LAYER and create multiple CLASS objects.
>> In each one, add EXPRESSION "<value>" to have that class apply to that
>> value. There are a great many options for building expressions and
>> for styling your layers (using STYLE objects is recommended since
>> MapServer 4.0)
>>
>> I strongly recommend that you review the excellent documentation on
>> the mapserver site for information about classes and styling.
>>
>> Cheers
>>
>> Paul
>>
>> Rajan Man Bajracharya wrote:
>>
>>> Dear All,
>>> I am having problem to categories single polygon layer i.e. to change
>>> the color depending upon the unique values of the polygon feature. Is
>>> it a map file or the widget that needs to be changed.
>>> e.g. my map file for area zonation polygon layer looks like this
>>> LAYER
>>> GROUP "Vector"
>>> NAME area_zonation
>>> TYPE POLYGON
>>> DATA area_zonation
>>> STATUS ON
>>> CLASS # how will this data look?
>>> NAME 'area_zonation'
>>> TEMPLATE "airports.html"
>>> OUTLINECOLOR 128 128 128
>>> COLOR 225 225 185
>>> END
>>> TOLERANCE 5
>>> END
>>> Above COLOR tag is the color for whole area_zonation layer. But here
>>> I need to change the color depending upon the unique value and change
>>> the color of each zone accordingly.
>>> Any help regarding this would be highly appreciated.
>>> Regards,
>>> -rajan
>>> _______________________________________________
>>> Chameleon mailing list
>>> Chameleon at lists.maptools.org
>>> http://lists.maptools.org/mailman/listinfo/chameleon
>>
>>
>> --
>> +-----------------------------------------------------------------+
>> |Paul Spencer pspencer at dmsolutions.ca |
>> +-----------------------------------------------------------------+
>> |Applications & Software Development |
>> |DM Solutions Group Inc http://www.dmsolutions.ca/|
>> +-----------------------------------------------------------------+
>
>
>
--
+-----------------------------------------------------------------+
|Paul Spencer pspencer at dmsolutions.ca |
+-----------------------------------------------------------------+
|Applications & Software Development |
|DM Solutions Group Inc http://www.dmsolutions.ca/|
+-----------------------------------------------------------------+
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