+## Copyright (C) 2014-2017 CEA/DEN, EDF R&D
+##
+## This library is free software; you can redistribute it and/or
+## modify it under the terms of the GNU Lesser General Public
+## License as published by the Free Software Foundation; either
+## version 2.1 of the License, or (at your option) any later version.
+##
+## This library is distributed in the hope that it will be useful,
+## but WITHOUT ANY WARRANTY; without even the implied warranty of
+## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+## Lesser General Public License for more details.
+##
+## You should have received a copy of the GNU Lesser General Public
+## License along with this library; if not, write to the Free Software
+## Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+##
+## See http:##www.salome-platform.org/ or
+## email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
+##
+
"""
TestCreateCircleByThreePoints.py
#=========================================================================
TOLERANCE = 1.e-7
-def getLastCircle(theSketch):
- """
- obtains last feature from the sketch and generates error if the feature is not a circle
- """
- expectedKind = "SketchCircle"
- for anIndex in range(theSketch.numberOfSubs() - 1, -1, -1):
- aSub = theSketch.subFeature(anIndex)
- if (aSub.getKind() == expectedKind):
- return aSub
-
def verifyLastCircle(theSketch, theX, theY, theR):
"""
subroutine to verify position of last circle in the sketch
"""
- aLastCircle = getLastCircle(theSketch)
- aCenter = geomDataAPI_Point2D(aLastCircle.attribute("circle_center"))
- verifyPointCoordinates(aCenter, theX, theY)
- aRadius = aLastCircle.real("circle_radius")
- assert aRadius.value() == theR, "Wrong radius {0}, expected {1}".format(aRadius.value(), theR)
-
-def verifyPointCoordinates(thePoint, theX, theY):
- assert thePoint.x() == theX and thePoint.y() == theY, "Wrong '{0}' point ({1}, {2}), expected ({3}, {4})".format(thePoint.attributeType(), thePoint.x(), thePoint.y(), theX, theY)
+ aLastCircle = model.lastSubFeature(theSketch, "SketchCircle")
+ model.assertCircle(aLastCircle, [theX, theY], theR)
def verifyPointOnCircle(thePoint, theCircle):
aCircleCenter = geomDataAPI_Point2D(theCircle.attribute("circle_center"))
- aDistCP = distancePointPoint(aCircleCenter, thePoint)
+ aDistCP = model.distancePointPoint(aCircleCenter, thePoint)
aCircleRadius = theCircle.real("circle_radius").value()
assert math.fabs(aDistCP - aCircleRadius) < TOLERANCE, "Point is not on circle, distance: {0}, radius of circle: {1}".format(aDistCP, aCircleRadius)
def verifyTangentCircles(theCircle1, theCircle2):
aCenter1 = geomDataAPI_Point2D(theCircle1.attribute("circle_center"))
aCenter2 = geomDataAPI_Point2D(theCircle2.attribute("circle_center"))
- aDistCC = distancePointPoint(aCenter1, aCenter2)
+ aDistCC = model.distancePointPoint(aCenter1, aCenter2)
aRadius1 = theCircle1.real("circle_radius").value()
aRadius2 = theCircle2.real("circle_radius").value()
verifyTangentCircular(aDistCC, aRadius1, aRadius2)
aCircleCenter = geomDataAPI_Point2D(theCircle.attribute("circle_center"))
anArcCenter = geomDataAPI_Point2D(theArc.attribute("center_point"))
anArcStart = geomDataAPI_Point2D(theArc.attribute("start_point"))
- aDistCC = distancePointPoint(aCircleCenter, anArcCenter)
+ aDistCC = model.distancePointPoint(aCircleCenter, anArcCenter)
aCircleRadius = theCircle.real("circle_radius").value()
- anArcRadius = distancePointPoint(anArcCenter, anArcStart)
+ anArcRadius = model.distancePointPoint(anArcCenter, anArcStart)
verifyTangentCircular(aDistCC, aCircleRadius, anArcRadius)
def verifyTangentCircular(theDistBetweenCenters, theRadius1, theRadius2):
def verifyTangentCircleLine(theCircle, theLine):
aCenter = geomDataAPI_Point2D(theCircle.attribute("circle_center"))
aRadius = theCircle.real("circle_radius").value()
- aDistCL = distancePointLine(aCenter, theLine)
+ aDistCL = model.distancePointLine(aCenter, theLine)
assert math.fabs(aDistCL - aRadius) < TOLERANCE, "Circle and line are not tangent"
-def distancePointPoint(thePoint1, thePoint2):
- return thePoint1.pnt().distance(thePoint2.pnt())
-
-def distancePointLine(thePoint, theLine):
- aLineStart = geomDataAPI_Point2D(theLine.attribute("StartPoint")).pnt().xy()
- aLineEnd = geomDataAPI_Point2D(theLine.attribute("EndPoint")).pnt().xy()
- aLineDir = aLineEnd.decreased(aLineStart)
- aLineLen = aLineEnd.distance(aLineStart)
- aPntDir = thePoint.pnt().xy().decreased(aLineStart)
- return math.fabs(aPntDir.cross(aLineDir) / aLineLen)
-
#=========================================================================
# Start of test
# Test 2. Create a circle by three points coincident to other points
#=========================================================================
# get previous circle
-aPrevCircle = getLastCircle(aSketchFeature)
+aPrevCircle = model.lastSubFeature(aSketchFeature, "SketchCircle")
aPrevCenter = geomDataAPI_Point2D(aPrevCircle.attribute("circle_center"))
aPrevCenterXY = [aPrevCenter.x(), aPrevCenter.y()]
aPrevCircleRadius = aPrevCircle.real("circle_radius").value()
# create additional point and line
-aPointCoodinates = [5., 20.]
+aPointCoordinates = [5., 20.]
aLineStart = [10., 0.]
aLineEnd = [10., 50.]
aSession.startOperation()
aPoint = aSketchFeature.addFeature("SketchPoint")
-aPointCoord = geomDataAPI_Point2D(aPoint.attribute("PointCoordindates"))
-aPointCoord.setValue(aPointCoodinates[0], aPointCoodinates[1])
+aPointCoord = geomDataAPI_Point2D(aPoint.attribute("PointCoordinates"))
+aPointCoord.setValue(aPointCoordinates[0], aPointCoordinates[1])
aLine = aSketchFeature.addFeature("SketchLine")
aStartPnt = geomDataAPI_Point2D(aLine.attribute("StartPoint"))
aStartPnt.setValue(aLineStart[0], aLineStart[1])
aSession.finishOperation()
assert (aSketchFeature.numberOfSubs() == 7)
# check the points do not change their positions
-verifyPointCoordinates(aPrevCenter, aPrevCenterXY[0], aPrevCenterXY[1])
-verifyPointCoordinates(aPointCoord, aPointCoodinates[0], aPointCoodinates[1])
-verifyPointCoordinates(aStartPnt, aLineStart[0], aLineStart[1])
+model.assertPoint(aPrevCenter, aPrevCenterXY)
+model.assertPoint(aPointCoord, aPointCoordinates)
+model.assertPoint(aStartPnt, aLineStart)
# check newly created circle passes through the points
-aCircle = getLastCircle(aSketchFeature)
+aCircle = model.lastSubFeature(aSketchFeature, "SketchCircle")
verifyPointOnCircle(aPrevCenter, aCircle)
verifyPointOnCircle(aPointCoord, aCircle)
verifyPointOnCircle(aStartPnt, aCircle)
aSession.finishOperation()
assert (aSketchFeature.numberOfSubs() == 12)
# check the tangent entities do not change their positions
-verifyPointCoordinates(aPrevCenter, aPrevCenterXY[0], aPrevCenterXY[1])
+model.assertPoint(aPrevCenter, aPrevCenterXY)
assert (aPrevCircle.real("circle_radius").value() == aPrevCircleRadius)
-verifyPointCoordinates(aStartPnt, aLineStart[0], aLineStart[1])
-verifyPointCoordinates(aEndPnt, aLineEnd[0], aLineEnd[1])
-verifyPointCoordinates(anArcCenterPnt, anArcCenter[0], anArcCenter[1])
-verifyPointCoordinates(anArcStartPnt, anArcStart[0], anArcStart[1])
-verifyPointCoordinates(anArcEndPnt, anArcEnd[0], anArcEnd[1])
+model.assertLine(aLine, aLineStart, aLineEnd)
+model.assertArc(anArc, anArcCenter, anArcStart, anArcEnd)
# check newly created circle passes through the points
-aCircle = getLastCircle(aSketchFeature)
+aCircle = model.lastSubFeature(aSketchFeature, "SketchCircle")
verifyTangentCircles(aCircle, aPrevCircle)
verifyTangentCircleArc(aCircle, anArc)
verifyTangentCircleLine(aCircle, aLine)
