generates numsectors circular sectors with the same width and varying radius

examples_wedge_sectors_radius.py

# generates "numsectors" circular sectors with the same 
# width and varying radius
#
# by Luisa V. Lucchese
# January 2022
#

# MIT License

# Copyright (c) 2022 Luisa V. Lucchese

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numsectors=20
width=360.0/numsectors
azim_init=90
radius_cresc=0.2
loop1=int(numsectors/2.0)

for k in range(0,loop1):
    azim=width/2+k*width+azim_init
    radius_cresc=radius_cresc+0.1
    paramwedge={ 'AZIMUTH' : azim, 'INNER_RADIUS' : 0.0, 'INPUT' : 'point.shp', 'OUTER_RADIUS' : radius_cresc, 'OUTPUT' : 'memory:' , 'WIDTH' : width} #
    layer_wedge=processing.run("native:wedgebuffers", paramwedge)
    QgsProject.instance().addMapLayer(layer_wedge['OUTPUT'])
    
for k in range(loop1,numsectors):
    azim=width/2+k*width+azim_init
    radius_cresc=radius_cresc-0.1
    paramwedge={ 'AZIMUTH' : azim, 'INNER_RADIUS' : 0.0, 'INPUT' : 'point.shp', 'OUTER_RADIUS' : radius_cresc, 'OUTPUT' : 'memory:' , 'WIDTH' : width} #
    layer_wedge=processing.run("native:wedgebuffers", paramwedge)
    QgsProject.instance().addMapLayer(layer_wedge['OUTPUT'])