[OpenLayers-Users] Markers with dymamically changing appearance

[Bart van den Eijnden (OSGIS)]

Hi,

please always cc the list, since I don't know all the answers and people
with similar issues can find it in the e-mail archives later on.

Your first question: I don't know.

Redrawing can be done using:

feature.layer.drawFeature(feature);

http://dev.openlayers.org/docs/files/OpenLayers/Layer/Vector-js.html#OpenLayers.Layer.Vector.drawFeature

Best regards,
Bart

> On Aug 11, 2010, at 0:16 , Bart van den Eijnden (OSGIS) wrote:
>
>> please check out:
>>
>> http://docs.openlayers.org/library/feature_styling.html
>>
>> Labels can be drawn as well with vector features, see e.g.:
>>
>> http://openlayers.org/dev/examples/vector-features-with-text.html
>
> Thanks.
>
> Two more questions:
>
> - how do I draw in screen coordinates (I need to draw a polygon starting
> from a latlong, then draw 2em up and to the right etc), and have it stay
> the same size on-screen when the user zooms (ie make markers)?
> - how do I redraw these things? Just erase them and draw new ones, or do I
> replace their graphics properties?


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Bart van den Eijnden
OSGIS
bartvde at osgis.nl