def GetTangentPoint(self, x, y, outx, outy):
"""
Get the tangent from an axternal point
args:
x,y is a point near the circle
xout,yout is a point far from the circle
return:
a tuple(x,y,x1,xy) that define the tangent line
"""
firstPoint = Point(x, y)
fromPoint = Point(outx, outy)
twoPointDistance = self.center.Dist(fromPoint)
if (twoPointDistance < self.radius):
return None, None
originPoint = Point(0.0, 0.0)
tanMod = math.sqrt(pow(twoPointDistance, 2) - pow(self.radius, 2))
tgAngle = math.asin(self.radius / twoPointDistance)
#Compute the x versor
xPoint = point.Point(1.0, 0.0)
xVector = Vector(originPoint, xPoint)
twoPointVector = Vector(fromPoint, self.center)
rightAngle = twoPointVector.Ang(xVector)
cx, cy = self.center.getCoords()
if (outy > cy): #stupid situation
rightAngle = -rightAngle
posAngle = rightAngle + tgAngle
negAngle = rightAngle - tgAngle
#Compute the Positive Tangent
xCord = math.cos(posAngle)
yCord = math.sin(posAngle)
dirPoint = Point(xCord, yCord) #Versor that point at the tangentPoint
ver = Vector(originPoint, dirPoint)
ver.Mult(tanMod)
tangVectorPoint = ver.Point()
posPoint = Point(tangVectorPoint + (outx, outy))
#Compute the Negative Tangent
xCord = math.cos(negAngle)
yCord = math.sin(negAngle)
dirPoint = Point(xCord, yCord) #Versor that point at the tangentPoint
ver = Vector(originPoint, dirPoint)
ver.Mult(tanMod)
tangVectorPoint = ver.Point()
negPoint = Point(tangVectorPoint + (outx, outy))
if firstPoint.Dist(posPoint) < firstPoint.Dist(negPoint):
return posPoint.getCoords()
else:
return negPoint.getCoords()
def GetTangentPoint(self,x,y,outx,outy):
"""
Get the tangent from an axternal point
args:
x,y is a point near the circle
xout,yout is a point far from the circle
return:
a tuple(x,y,x1,xy) that define the tangent line
"""
firstPoint=Point(x,y)
fromPoint=Point(outx,outy)
twoPointDistance=self.center.dist(fromPoint)
if(twoPointDistance<self.radius):
return None,None
originPoint=Point(0.0,0.0)
tanMod=math.sqrt(pow(twoPointDistance,2)-pow(self.radius,2))
tgAngle=math.asin(self.radius/twoPointDistance)
#Compute the x versor
xPoint=Point(1.0,0.0)
xVector=Vector(originPoint,xPoint)
twoPointVector=Vector(fromPoint,self.center)
rightAngle=twoPointVector.ang(xVector)
cx,cy=self.center.getCoords()
if(outy>cy): # stupid situation
rightAngle=-rightAngle
posAngle=rightAngle+tgAngle
negAngle=rightAngle-tgAngle
# Compute the Positive Tangent
xCord=math.cos(posAngle)
yCord=math.sin(posAngle)
dirPoint=Point(xCord,yCord) # Versor that point at the tangentPoint
ver=Vector(originPoint,dirPoint)
ver.mult(tanMod)
tangVectorPoint=ver.Point()
posPoint=Point(tangVectorPoint+(outx,outy))
# Compute the Negative Tangent
xCord=math.cos(negAngle)
yCord=math.sin(negAngle)
dirPoint=Point(xCord,yCord)#Versor that point at the tangentPoint
ver=Vector(originPoint,dirPoint)
ver.mult(tanMod)
tangVectorPoint=ver.point()
negPoint=Point(tangVectorPoint+(outx,outy))
if(firstPoint.dist(posPoint)<firstPoint.dist(negPoint)):
return posPoint.getCoords()
else:
return negPoint.getCoords()
def GetRadiusPointFromExt(self, x, y):
"""
get The intersecrion point from the line(x,y,cx,cy) and the circle
"""
_cx, _cy = self.center.getCoords()
_r = self.radius
centerPoint = Point(_cx, _cy)
outPoint = Point(x, y)
vector = Vector(outPoint, centerPoint)
vNorm = vector.Norm()
newNorm = abs(vNorm - _r)
magVector = vector.Mag()
magVector.Mult(newNorm)
newPoint = magVector.Point()
intPoint = Point(outPoint + newPoint)
return intPoint.getCoords()
def GetRadiusPointFromExt(self,x,y):
"""
get The intersecrion point from the line(x,y,cx,cy) and the circle
"""
_cx, _cy = self.center.getCoords()
_r = self.radius
centerPoint=Point(_cx,_cy)
outPoint=Point(x,y)
vector=Vector(outPoint,centerPoint)
vNorm=vector.norm()
newNorm=abs(vNorm-_r)
magVector=vector.mag()
magVector.mult(newNorm)
newPoint=magVector.point()
intPoint=Point(outPoint+newPoint)
return intPoint.getCoords()
def decodeText(self, value):
"""
encode the text given from the user
"""
point = None
distance = None
entitys = None
text = None
angle = None
try:
try:
raise self.kernelCommand.activeException()(None)
except ExcPoint:
if value.find(',') > -1: # ABSOLUTE CARTESIAN INPUT
x, y = value.split(',')
point = Point(float(x), float(y))
elif value.find('*') > -1: # RELATIVE CARTESIAN INPUT
x, y = value.split('*')
x = self.scene.fromPoint.getx() + float(x)
y = self.scene.fromPoint.gety() + float(y)
point = Point(x, y)
# implement here relative coordinates
elif value.find('<') > -1:
pass
# implement here polar coordinates
else: # DISTANCE+ANGLE FROM SCENE set coordinate based on distance input and angle from mouse position on the scene
d = float(value)
pX = self.scene.mouseOnSceneX
pY = self.scene.mouseOnSceneY
if self.scene.forceDirection is not None:
pc = Point(pX, pY)
pc = self.correctPositionForcedDirection(
pc, self.scene.forceDirection)
pX, pY = pc.getCoords()
# if frompoint is not none else exception
dx = pX - self.scene.fromPoint.getx()
dy = pY - self.scene.fromPoint.gety()
a = math.atan2(dy, dx)
x = self.scene.fromPoint.getx() + d * math.cos(a)
y = self.scene.fromPoint.gety() + d * math.sin(a)
point = Point(x, y)
except (ExcEntity, ExcMultiEntity):
entitys = self.getIdsString(value)
except ExcEntityPoint:
#(4@10,20)
id, p = value.split('@')
x, y = p.split(',')
point = Point(float(x), float(y))
entitys = self.getIdsString(id)
return
except (ExcLenght, ExcInt, ExcBool):
distance = value
except (ExcAngle):
angle = value
except (ExcText):
text = value
except:
raise PyCadWrongImputData(
"BaseCommand : Wrong imput parameter for the command")
return (point, entitys, distance, angle, text)
def decodeText(self, value):
"""
encode the text given from the user
"""
point = None
distance = None
entitys = None
text = None
angle = None
try:
try:
raise self.kernelCommand.activeException()(None)
except ExcPoint:
if value.find(',') > -1: # ABSOLUTE CARTESIAN INPUT
x, y = value.split(',')
point = Point(float(x), float(y))
elif value.find('*') > -1: # RELATIVE CARTESIAN INPUT
x, y = value.split('*')
x = self.scene.fromPoint.getx() + float(x)
y = self.scene.fromPoint.gety() + float(y)
point = Point(x, y)
# implement here relative coordinates
elif value.find('<') > -1:
pass
# implement here polar coordinates
else: # DISTANCE+ANGLE FROM SCENE set coordinate based on distance input and angle from mouse position on the scene
d = float(value)
pX = self.scene.mouseOnSceneX
pY = self.scene.mouseOnSceneY
if self.scene.forceDirection is not None:
pc = Point(pX, pY)
pc = self.correctPositionForcedDirection(pc, self.scene.forceDirection)
pX, pY = pc.getCoords()
# if frompoint is not none else exception
dx = pX - self.scene.fromPoint.getx()
dy = pY - self.scene.fromPoint.gety()
a = math.atan2(dy, dx)
x = self.scene.fromPoint.getx() + d * math.cos(a)
y = self.scene.fromPoint.gety() + d * math.sin(a)
point = Point(x, y)
except (ExcEntity, ExcMultiEntity):
entitys = self.getIdsString(value)
except ExcEntityPoint:
#(4@10,20)
id, p = value.split('@')
x, y = p.split(',')
point = Point(float(x), float(y))
entitys = self.getIdsString(id)
return
except (ExcLenght, ExcInt, ExcBool):
distance = value
except(ExcAngle):
angle = value
except(ExcText):
text = value
except:
raise PyCadWrongImputData("BaseCommand : Wrong imput parameter for the command")
return (point,entitys, distance,angle, text)
