def dist_point_multi(point, multi):
if multi is not None:
wktMulti = dumps(multi)
# create geometries from wkt
Multi = ogr.CreateGeometryFromWkt(wktMulti)
# transform both geometries to the fittest projection
if Multi is not None:
Point = ogr.CreateGeometryFromWkt(dumps(point))
# transform both geometries to the fittest projection
source = osr.SpatialReference()
source.ImportFromEPSG(4326)
target = osr.SpatialReference()
target.ImportFromEPSG(26918)
transform = osr.CoordinateTransformation(source, target)
Point.Transform(transform)
# create a line for each point in the first geometry of the polygon
# initialize
x0 = Point.GetX()
y0 = Point.GetY()
distance1 = []
for line in Multi:
for i in range(0, line.GetPointCount() - 1):
xi, yi, zi = line.GetPoint(i)
ai, bi, ci = line.GetPoint(i + 1)
# create line and check length
distance1.append(dist(xi, yi, ai, bi, x0, y0))
return min(distance1)
def coordinates(point):
Point = ogr.CreateGeometryFromWkt(dumps(point))
# transform both geometries to the fittest projection
source = osr.SpatialReference()
source.ImportFromEPSG(4326)
target = osr.SpatialReference()
target.ImportFromEPSG(26918)
transform = osr.CoordinateTransformation(source, target)
Point.Transform(transform)
x0 = Point.GetX()
y0 = Point.GetY()
return x0, y0
