[mapserver-users] Re: Querying type=circle layer

[Christian Jauvin]

Sorry not "shapeindex".. "index"



On Wed, Apr 8, 2009 at 11:06 AM, Christian Jauvin <cjauvin at gmail.com> wrote:
> I found the answer to my question:
>
> You have to manually add a "shapeindex" value for each feature that
> you add, and it has to start from zero.
>
> Christian
>
>
> On Tue, Apr 7, 2009 at 5:23 PM, Christian Jauvin <cjauvin at gmail.com> wrote:
>> Hi,
>>
>> I use Python-Mapscript 5.2 on Windows. I have a layer of type=circle
>> on which I dynamically add features:
>>
>> layer = ..
>> circle_shape = shapeObj(MS_SHAPE_LINE)
>> p1 = pointObj(..)
>> p2 = pointObj(..)
>> line = lineObj()
>> line.add(p1)
>> line.add(p2)
>> circle_shape.add(line)
>> layer.addFeature(circle_shape)
>>
>> Then later I'd like to query that same layer using either
>> queryByPoint() or queryByRect(), and there my problems begin:
>>
>> (1) queryByPoint does not work at all (but the same code I use works
>> for other layers with static content, loaded from a shapefile or
>> PostGIS)
>>
>> (2) queryByRect seems to work, as it returns MS_SUCCESS when there is
>> an overlap, but then it seems that I cannot retrieve the shape I want
>> using the result's shapeindex (I get an error message telling me that
>> it doesn't exist).
>>
>> Am I missing something? Maybe queryByXX work differently with
>> dynamical content layers? Or maybe with type=circle layers?
>>
>> Thanks a lot in advance for any help!
>>
>> Christian
>>
>