def getQuadrantPoints(self):
result = []
angle = 0
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle,
angle) == True:
result.append(
QgsPoint(self.center.x() + self.radius, self.center.y()))
angle = math.pi / 2
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle,
angle) == True:
result.append(
QgsPoint(self.center.x(),
self.center.y() + self.radius))
angle = math.pi
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle,
angle) == True:
result.append(
QgsPoint(self.center.x() - self.radius, self.center.y()))
angle = math.pi * 3 / 2
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle,
angle) == True:
result.append(
QgsPoint(self.center.x(),
self.center.y() - self.radius))
return result
def getPerpendicularPoints(self, point):
result = []
angle = qad_utils.getAngleBy2Pts(self.center, point)
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append(qad_utils.getPolarPointByPtAngle(self.center, angle, self.radius))
angle = angle + math.pi
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append(qad_utils.getPolarPointByPtAngle(self.center, angle, self.radius))
return result
def getPerpendicularPoints(self, point):
result = []
angle = qad_utils.getAngleBy2Pts(self.center, point)
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append( qad_utils.getPolarPointByPtAngle(self.center,
angle,
self.radius))
angle = angle + math.pi
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append( qad_utils.getPolarPointByPtAngle(self.center,
angle,
self.radius))
return result
def isPtOnArc(self, point):
dist = qad_utils.getDistance(self.center, point)
if qad_utils.doubleNear(self.radius, dist):
angle = qad_utils.getAngleBy2Pts(self.center, point)
return qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle)
else:
return False
def isPtOnArc(self, point):
dist = qad_utils.getDistance(self.center, point)
if qad_utils.doubleNear(self.radius, dist):
angle = qad_utils.getAngleBy2Pts(self.center, point)
return qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle)
else:
return False
def getQuadrantPoints(self):
result = []
angle = 0
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append(QgsPoint(self.center.x() + self.radius, self.center.y()))
angle = math.pi / 2
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append(QgsPoint(self.center.x(), self.center.y() + self.radius))
angle = math.pi
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append(QgsPoint(self.center.x() - self.radius, self.center.y()))
angle = math.pi * 3 / 2
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append(QgsPoint(self.center.x(), self.center.y() - self.radius))
return result
def getTanPoints(self, point):
result = []
circle = QadCircle()
circle.set(self.center, self.radius)
points = circle.getTanPoints(point)
tot = len(points)
for p in points:
angle = qad_utils.getAngleBy2Pts(self.center, p)
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append(p)
return result
def getTanPoints(self, point):
result = []
circle = QadCircle()
circle.set(self.center, self.radius)
points = circle.getTanPoints(point)
tot = len(points)
for p in points:
angle = qad_utils.getAngleBy2Pts(self.center, p)
if qad_utils.isAngleBetweenAngles(self.startAngle, self.endAngle, angle) == True:
result.append(p)
return result
