How to create a filled polygon ?

[Uwe Schmitt]

Hi,

I managed to create a polygon using 

 

shape = PolygonShape(points, closed=True)

but I do not know how to set the

shapeparam

argument so that the plotted polygon will have a transparent filing.

Any help is very appreciated.

Best, Uwe

[Russ Berg]

Hi Uwe, here is a function I wrote to create rectangles that shows how the shapeparam is set.

-Russ

 

def create_rectangle(self, rect, title='None'):

       r = make.rectangle(rect[0], rect[1], rect[2], rect[3], title=title)

       sh = r.shapeparam

       sh.fill.alpha = 0.05

       sh.sel_fill.alpha = 0.05

       sh.symbol.alpha = 0.05

       sh.sel_symbol.alpha = 0.05

      

       sh.symbol.marker = 'NoSymbol'   

       sh.sel_symbol.marker = 'NoSymbol'

       r.set_item_parameters({"ShapeParam":sh})

      

       self.plot.add_item(r)

 

 

From: guidata...@googlegroups.com [mailto:guidata...@googlegroups.com] On Behalf Of Uwe

Schmitt
Sent: September-22-15 11:21 AM
To: guidata/guiqwt
Subject: [guidata/guiqwt] How to create a filled polygon ?

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