[mapserver-users] Pseudo-3D buildings

[thomas bonfort]

On 25 September 2013 16:35, Basques, Bob (CI-StPaul)
<bob.basques at ci.stpaul.mn.us> wrote:
> Hmmm, can the OFFSET values be database driven to fake heights of buildings?  Talking to myself here, I could even make a building shadow too with another STYLE . . . .
no it is not data driven
>
> Actually, I guess a better question is, can any value anywhere in the MAPFILE be data driven, or is OFFSET not capable?  Didn't there used to be some values that couldn't be passed in this manner?
all data driven STYLE members have been added "by hand" when there was
a need for them. adding a new one (e.g. offset) is a relatively easy
patch to implement

>
> Bobb
>
>
>
> -----Original Message-----
> From: mapserver-users-bounces at lists.osgeo.org [mailto:mapserver-users-bounces at lists.osgeo.org] On Behalf Of thomas bonfort
> Sent: Wednesday, September 25, 2013 8:22 AM
> To: Rahkonen Jukka
> Cc: Mapserver-Users (mapserver-users at lists.osgeo.org)
> Subject: Re: [mapserver-users] Pseudo-3D buildings
>
> CLASS
>       STYLE
>          COLOR _building_clr
>          OUTLINECOLOR _building_ol_clr
>          WIDTH 1
>          GEOMTRANSFORM (buffer([shape],2))
>       END
>       STYLE
>          COLOR 255 0 0
>          OPACITY 25
>       END
>       STYLE
>          COLOR _building_clr
>          OUTLINECOLOR _building_ol_clr
>          WIDTH 1
>          OFFSET 3 3
>       END
> END
>
> works for me ...
>
> On 25 September 2013 14:44, Rahkonen Jukka <jukka.rahkonen at mmmtike.fi> wrote:
>> Hi,
>>
>> See these buildings which Andrei Nacu has drawn with OpenJUMP
>> http://img855.imageshack.us/img855/8340/b072.png
>>
>> Buildings are constructed from 3 layers:
>> - OSM building polygons (orange)
>> - underneath them buffered polygons (buffer 2, round join) with dark
>> grey outline and light grey fill
>> - above a copy of the building polygons with offsets dx=3 , dy=3,
>> again with dark grey outline and light grey fill
>>
>> I would like to see mapserver CLASS which gives the same result.
>>
>> -Jukka Rahkonen-
>>
>>
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