[mapserver-users] Drawing features dynamically
lfilak at medinaco.org
Tue Mar 19 08:06:26 EST 2002
There is an older post in the archives that discusses drawing & labelling
dynamic points. You can find it at:
That will hopefully get you started.
On Mon, 18 Mar 2002, Ricardo Scachetti Pereira wrote:
> Does anyone know how to draw features (points, lines and polygons)
> dynamically over a base map using Perl or PHP mapscript?
> I would like to draw data points coming from disparate (remote) data
> sources, which are providing data as a XML documents. Each document can
> contain a large number of features (thousands). I would like to avoid
> writing individual shapefiles for each dataset, just to display them. I
> would like to know if mapserver has any built in mechanism to display
> dynamic features, besides the one described on the CGI documentation
> (which is designed to handle small amounts of data).
> I've been exploring the pointObj and its methods (especially the
> draw() method), because it seems to be developed to implement the kind
> of feature I'm looking for. However, I couldn't write anything that does
> what I want. Mostly, I get segmentation fault errors. Does anyone know
> any sample scripts that draw points using this object?
> Ricardo Scachetti Pereira
> Gerente de Pesquisa
> Centro de Referência em Informação Ambiental - CRIA
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