[Qgis-developer] Re: Draw a single point

sergio cavalcante sergio.cavalcante at gmail.com
Thu Dec 10 16:02:30 EST 2009


Thanks a lot!

Now i'm at home, but I'll test this piece of code tomorrow at job.

Best Regards,
------------------------------
Sérgio Cavalcante




2009/12/10 Germán Carrillo <carrillo.german at gmail.com>:
> 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> 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>:
>> > 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>
>> >>
>> >> 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> 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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>> >
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>> >
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>> >
>
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> http://geotux.tuxfamily.org/
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