def calculateDimensions(self):
#Calculate the minimum and maximum row and column of the region to determine its length and height
min_row = int(min(self.row_locations))
max_row = int(max(self.row_locations))
min_col = int(min(self.col_locations))
max_col = int(max(self.col_locations))
#Update the region's length and height
self.length = max_col - min_col
self.height = max_row - min_row
#Calculate region radius from length and height using Pythagoras theorem
if self.length <= 0 or self.height <= 0:
self.radius = 0
else:
self.radius = basic_header.getHypotenuse(self.length, self.height)/2
self.area = self.length * self.height
#Update the region's top corner position
self.top_corner_position = (min_row, min_col)
self.center_position = (
self.top_corner_position[0] + int(self.height/2),
self.top_corner_position[1] + int(self.length/2)
)
self.path = Path(self.top_corner_position[0], self.top_corner_position[1], self.row_locations, self.col_locations)
self.mask[:] = 0
self.mask[
self.top_corner_position[0]:self.top_corner_position[0]+self.height,
self.top_corner_position[1]:self.top_corner_position[1]+self.length
] = 255
def isSimilar(self, obj, margin=0.025):
if obj == self:
return True
try:
ratio_percentage_diff = getPercentageDifference(
self.getLength2HeightRatio(), obj.getLength2HeightRatio(),
max(self.row_length, self.col_length))
radius_percentage_diff = getPercentageDifference(
self.radius, obj.radius,
basic_header.getHypotenuse(self.col_length, self.row_length) /
2)
if ratio_percentage_diff < 0 or radius_percentage_diff < 0:
return False
elif ratio_percentage_diff <= margin:
if radius_percentage_diff <= margin:
return True
else:
return False
else:
return False
except ZeroDivisionError:
return False
def _calculateRadius(self):
#Calculate region radius from length and height using Pythagoras theorem
self.radius = basic_header.getHypotenuse(self.length, self.height)/2