[mapserver-users] [EXTERNAL] Re: Shapezip 3D

[Smith, Michael ERDC-RDE-CRREL-NH]

The 2.5D output does work correctly with Oracle Spatial (3D) input.

Mike

-- 
Michael Smith

US Army Corps
Remote Sensing GIS/Center



On 3/3/14, 4:20 AM, "Guillaume Sueur" <no-reply at neogeo-online.net> wrote:

>OK, got it, but actually no need of MapServer to do that. zip is enough
>:-)
>
>
>
>Le 03/03/2014 10:16, Even Rouault a écrit :
>> Selon Guillaume Sueur <no-reply at neogeo-online.net>:
>>
>>> Hi Even,
>>>
>>> Thanks for your reply even if it is disappointing. So I guess all the
>>> http://mapserver.org/fr/output/ogr_output.html stuff about 2.5D/3D is
>>> just rubbish and the USE_POINT_Z_M compile option is useless.
>>
>> Actually.... no, it is correct. My previous comment was on the input
>>interface
>> of MapServer with OGR, where Z support is not currently available. But
>>for the
>> output part (mapogroutput.c), Z support should work. So you could
>>likely use a
>> 3D shapefile (with MapServer native shapefile connection) and output a
>>3D
>> shapezip.
>>
>>>
>>> Thanks for your investigations
>>>
>>> Best regards
>>>
>>> Guillaume
>>>
>>>
>>> Le 01/03/2014 12:53, Even Rouault a écrit :
>>>> Le vendredi 28 février 2014 17:29:15, Guillaume Sueur a écrit :
>>>>> Hi list,
>>>>>
>>>>> I'm trying to generate a 3D shapefile with OGR SHAPEZIP format. I'm
>>>>> using MapServer 6.5 compiled with USE_POINT_Z_M options.
>>>>> mapserv -v gives :
>>>>> MapServer version 6.5-dev OUTPUT=PNG OUTPUT=JPEG SUPPORTS=PROJ
>>>>> SUPPORTS=AGG SUPPORTS=FREETYPE SUPPORTS=CAIRO SUPPORTS=ICONV
>>>>> SUPPORTS=WMS_SERVER SUPPORTS=WMS_CLIENT SUPPORTS=WFS_SERVER
>>>>> SUPPORTS=WFS_CLIENT SUPPORTS=WCS_SERVER SUPPORTS=SOS_SERVER
>>>>> SUPPORTS=GEOS SUPPORTS=POINT_Z_M INPUT=JPEG INPUT=POSTGIS INPUT=OGR
>>>>> INPUT=GDAL INPUT=SHAPEFILE
>>>>>
>>>>> My data are stored in Postgis 2.1. They are 3D. I've added the
>>>>> "ows_geomtype"  "MultiPolygon25D" metadata to my layer.
>>>>>
>>>>> What I get is a 3D shapefile, but all the Z values are set to 0.
>>>>>
>>>>> Lookking at the request made by MapServer to Postgis, I see the geom
>>>>>is
>>>>> requested with Force2D function :
>>>>> encode(ST_AsBinary(ST_Force2D("the_geom"),'NDR'),'hex') as geom
>>>>>
>>>>> Is this a bug or is there some more settings I didn't set properly ?
>>>>
>>>> Guillaume,
>>>>
>>>> there's no support yet for parsing 3D geometries in mappostgis.c
>>> (mentionned
>>>> in comments of https://github.com/mapserver/mapserver/pull/4803 ). I
>>> wouldn't
>>>> expect adding support for it to be that difficult.
>>>>
>>>> As a workaround, I would have suggested that you could use the OGR
>>> PostgreSQL
>>>> driver, but looking at mapogr.cpp, I also see that the Z support of
>>>>OGR
>>> isn't
>>>> used. Grrrr....
>>>>
>>>> Even
>>>>
>>>
>>
>>
>>
>>
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