[mapguide-users] Feature Vertices

[Jackie Ng]

If GetGeometryType() return MgGeometryType.Polygon, then yes you can safely
cast it to a MgPolygon.

- Jackie


Tom Lazo wrote:
> 
> Hi Jackie, 
> 
> Just one question, is the geometry cast just and (MgPolygon) geometry?,
> srry about my ignorance. n.n' . I think i should use the geometry's
> Boundary function. But i dunno how, i've looked everywhere without luck.
> Plz help.
> 
> Thanks
> 
> Tom / Stygy 
> 
> 
> 
> Jackie Ng wrote:
>> 
>> Given a MgFeatureReader that contains your feature(s):
>> 
>> - Call its GetGeometry() method to get a byte reader
>> - Convert this byte reader to a MgGeometry object by using a
>> MgAgfReaderWriter object.
>> - Call GetGeometryType() on the MgGeometry to determine what type of
>> geometry it actually is.
>> - Depending on the type, cast the MgGeometry to that given type (if not
>> using PHP) and consult the relevant APIs for that derived geometry type.
>> Basically you want to take note of any class methods that return MgPoint,
>> MgCoordinate or MgCoordinateIterator objects.
>> 
>> Hope that helps.
>> 
>> - Jackie
>> 
>> 
>> Tom Lazo wrote:
>>> 
>>> Hi all!,
>>> 
>>> Anyone knows how could i get the coordinates of the vertices of a
>>> feature, Is there any function that do that?. Thanks.
>>> 
>>> Stygy / Tom
>>> 
>> 
>> 
> 
> 

-- 
View this message in context: http://n2.nabble.com/Feature-Vertices-tp3205810p3221973.html
Sent from the MapGuide Users mailing list archive at Nabble.com.