Xander
Thank you for your reply.
I still get an error message for now.
Thank you.
John
Error below:
Traceback (most recent call last):
File "H:\DispersePoints.py", line 49, in <module>
main()
File "H:\DispersePoints.py", line 22, in main
disperse_points(fcPoints,polygon)
File "H:\DispersePoints.py", line 40, in disperse_points
while not inside:
UnboundLocalError: local variable 'inside' referenced before assignment
My code:
#-------------------------------------------------------------------------------
# Name: Disperse3.py
# Purpose: Disperse points in multiple polygons
# Author: arcpy Team xander_bakker https://community.esri.com/people/xander_bakker
# http://arcpy.wordpress.com/2013/06/07/disperse-overlapping-points/
# Created: 02-dec-2013
#-------------------------------------------------------------------------------
import arcpy, random
def main():
fcPoints = r"H:\\CondoAddressPoints.gdb\\new_points2"
fcPolygon = r"H:\\CondoAddressPoints.gdb\\new_polys"
arcpy.env.overwriteOutput = True
with arcpy.da.SearchCursor(fcPolygon, ("SHAPE@")) as cursor:
for row in cursor:
polygon = row[0]
disperse_points(fcPoints,polygon)
del row
print "ready..."
def point_in_poly(poly, x, y):
pg = arcpy.PointGeometry(arcpy.Point(x, y), poly.spatialReference)
return poly.contains(pg)
def disperse_points(in_points, polygon):
lenx = polygon.extent.width
leny = polygon.extent.height
with arcpy.da.UpdateCursor(in_points, "SHAPE@XY") as points:
for p in points:
if point_in_poly(polygon, p[0][0], p[0][1]):
x = (random.random() * lenx) + polygon.extent.XMin
y = (random.random() * leny) + polygon.extent.YMin
inside = point_in_poly(polygon, x, y)
while not inside:
x = (random.random() * lenx) + polygon.extent.XMin
y = (random.random() * leny) + polygon.extent.YMin
inside = point_in_poly(polygon, x, y)
points.updateRow([(x, y)])
else:
pass # don't update location if point doesn't originally falls inside current polygon
if __name__ == '__main__':
main()
