def coverage(self, clean_keys = []):
"""
Acts on the edge given either the source node
or the destination node and returns the percentage
of overlap covered by the keypoints. Data for the
overlap is gathered from the source node of the edge
resulting in a maximum area difference of 2% when compared
to the destination.
Returns
-------
total_overlap_percentage : float
returns the overlap area
covered by the keypoints
"""
matches, mask = self.clean(clean_keys)
source_array = self.source.get_keypoint_coordinates(index=matches['source_idx']).values
source_coords = self.source.geodata.latlon_corners
destination_coords = self.destination.geodata.latlon_corners
convex_hull = cg.convex_hull(source_array)
convex_points = [self.source.geodata.pixel_to_latlon(row[0], row[1]) for row in convex_hull.points[convex_hull.vertices]]
convex_coords = [(x, y) for x, y in convex_points]
source_poly = utils.array_to_poly(source_coords)
destination_poly = utils.array_to_poly(destination_coords)
convex_poly = utils.array_to_poly(convex_coords)
intersection_area = cg.get_area(source_poly, destination_poly)
total_overlap_coverage = (convex_poly.GetArea()/intersection_area)
return total_overlap_coverage
def coverage(self):
"""
Determines the area of keypoint coverage
using the unprojected image, resulting
in a rough estimation of the percentage area
being covered.
Returns
-------
coverage_area : float
Area covered by the generated
keypoints
"""
points = self.get_keypoint_coordinates()
hull = cg.convex_hull(points)
hull_area = hull.volume
max_x = self.geodata.raster_size[0]
max_y = self.geodata.raster_size[1]
total_area = max_x * max_y
self.coverage_area = (hull_area/total_area)*100
return self.coverage_area
def coverage(self):
"""
Determines the area of keypoint coverage
using the unprojected image, resulting
in a rough estimation of the percentage area
being covered.
Returns
-------
coverage_area : float
Area covered by the generated
keypoints
"""
points = self.get_keypoint_coordinates()
hull = cg.convex_hull(points)
hull_area = hull.volume
max_x = self.geodata.raster_size[0]
max_y = self.geodata.raster_size[1]
total_area = max_x * max_y
self.coverage_area = (hull_area/total_area)*100
return self.coverage_area
def coverage(self, clean_keys=[]):
"""
Acts on the edge given either the source node
or the destination node and returns the percentage
of overlap covered by the keypoints. Data for the
overlap is gathered from the source node of the edge
resulting in a maximum area difference of 2% when compared
to the destination.
Returns
-------
total_overlap_percentage : float
returns the overlap area
covered by the keypoints
"""
if self.matches is None:
raise AttributeError(
'Edge needs to have features extracted and matched')
return
matches, mask = self._clean(clean_keys)
source_array = self.source.get_keypoint_coordinates(
index=matches['source_idx']).values
source_coords = self.source.geodata.latlon_corners
destination_coords = self.destination.geodata.latlon_corners
convex_hull = cg.convex_hull(source_array)
convex_points = [
self.source.geodata.pixel_to_latlon(row[0], row[1])
for row in convex_hull.points[convex_hull.vertices]
]
convex_coords = [(x, y) for x, y in convex_points]
source_poly = utils.array_to_poly(source_coords)
destination_poly = utils.array_to_poly(destination_coords)
convex_poly = utils.array_to_poly(convex_coords)
intersection_area = cg.get_area(source_poly, destination_poly)
total_overlap_coverage = (convex_poly.GetArea() / intersection_area)
return total_overlap_coverage