[Qgis-developer] Re: Draw a single point

[motta.luiz at gmail.com]

German,


VertexMarker have projection (core.QgsCoordinateReferenceSystem) ?
If have is default, how happend the temporaly layer

Regards,
Luiz

Germán Carrillo escreveu:
> I guess this can help you:
>
> /self.marker = QgsVertexMarker( self.canvas )
> /
> /self.marker.setCenter( QgsPoint( x, y ) ) /
> /self.marker.setIconType( 1 ) /
> /self.marker.setIconSize( 10 ) /
> /self.marker.setColor( QColor( 255,0,0,255 ) ) /
> /self.marker.setPenWidth ( 1 ) /
>
> As you see, just define the marker with your canvas as parent and set 
> the properties.
>
> Regards.
>
> Germán
>
> El 10 de diciembre de 2009 14:46, sergio cavalcante 
> <sergio.cavalcante at gmail.com <mailto:sergio.cavalcante at gmail.com>> 
> escribió:
>
>     Thanks for your reply, Germán.
>
>     I'll study the class. Do you know where I may find some sample of
>     its usage?
>
>     Best Regards,
>     ------------------------------
>     Sérgio Cavalcante
>
>
>
>
>     2009/12/10 Germán Carrillo <carrillo.german at gmail.com
>     <mailto:carrillo.german at gmail.com>>:
>     > Hi Sergio.
>     >
>     > Take a look at the QgsVertexMarker class. This way you can add
>     points to the
>     > map canvas.
>     >
>     > Regards.
>     >
>     > Germán
>     >
>     > -------------------------------
>     > [1] http://doc.qgis.org/head/classQgsVertexMarker.html
>     >
>     >
>     > 2009/12/10 sergio cavalcante <sergio.cavalcante at gmail.com
>     <mailto:sergio.cavalcante at gmail.com>>
>     >>
>     >> Hello Guys,
>     >> Any Ideas?
>     >> Just plot a single pixel at a specific coordinate?
>     >>
>     >> Best Regards,
>     >> ------------------------------
>     >> Sérgio Cavalcante
>     >>
>     >>
>     >>
>     >>
>     >> On Tue, Dec 8, 2009 at 4:57 PM, sergio cavalcante
>     >> <sergio.cavalcante at gmail.com
>     <mailto:sergio.cavalcante at gmail.com>> wrote:
>     >> > People.
>     >> > I have a qmapcanvas. I just need to draw a single point in
>     any pixel
>     >> > at the mapcanvas and delete when I need.
>     >> > Is that possible?
>     >> >
>     >> > Best regards,
>     >> > ------------------------------
>     >> > Sérgio Cavalcante
>     >> >
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