2 TestConstraintCollinear.py
3 Unit test of SketchPlugin_ConstraintCollinear class
5 SketchPlugin_ConstraintCollinear
6 static const std::string MY_CONSTRAINT_COLLINEAR_ID("SketchConstraintCollinear");
7 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
8 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
11 from GeomDataAPI import *
12 from ModelAPI import *
14 from salome.shaper import model
16 #=========================================================================
17 # Initialization of the test
18 #=========================================================================
20 __updated__ = "2016-01-28"
23 def checkCollinearVec(theX1, theY1, theX2, theY2):
25 aLen1 = math.hypot(theX1, theY1)
26 aLen2 = math.hypot(theX2, theY2)
27 aDot = theX1 * theX2 + theY1 * theY2
28 assert (math.fabs(math.fabs(aDot) - aLen1 * aLen2) < TOL**2)
30 def checkCollinear(theLine1, theLine2):
31 aStartPoint1 = geomDataAPI_Point2D(theLine1.attribute("StartPoint"))
32 aEndPoint1 = geomDataAPI_Point2D(theLine1.attribute("EndPoint"))
33 aStartPoint2 = geomDataAPI_Point2D(theLine2.attribute("StartPoint"))
34 aEndPoint2 = geomDataAPI_Point2D(theLine2.attribute("EndPoint"))
36 aDir1x, aDir1y = aEndPoint1.x() - aStartPoint1.x(), aEndPoint1.y() - aStartPoint1.y()
37 aDir2x, aDir2y = aEndPoint2.x() - aStartPoint1.x(), aEndPoint2.y() - aStartPoint1.y()
38 aDir3x, aDir3y = aStartPoint2.x() - aStartPoint1.x(), aStartPoint2.y() - aStartPoint1.y()
39 checkCollinearVec(aDir1x, aDir1y, aDir2x, aDir2y)
40 checkCollinearVec(aDir1x, aDir1y, aDir3x, aDir3y)
44 aSession = ModelAPI_Session.get()
45 aDocument = aSession.moduleDocument()
46 #=========================================================================
47 # Creation of a sketch
48 #=========================================================================
49 aSession.startOperation()
50 aSketchCommonFeature = aDocument.addFeature("Sketch")
51 aSketchFeature = featureToCompositeFeature(aSketchCommonFeature)
52 origin = geomDataAPI_Point(aSketchFeature.attribute("Origin"))
53 origin.setValue(0, 0, 0)
54 dirx = geomDataAPI_Dir(aSketchFeature.attribute("DirX"))
55 dirx.setValue(1, 0, 0)
56 norm = geomDataAPI_Dir(aSketchFeature.attribute("Norm"))
57 norm.setValue(0, 0, 1)
58 aSession.finishOperation()
59 #=========================================================================
61 #=========================================================================
62 aSession.startOperation()
64 aSketchLineA = aSketchFeature.addFeature("SketchLine")
65 aLineAStartPoint = geomDataAPI_Point2D(aSketchLineA.attribute("StartPoint"))
66 aLineAEndPoint = geomDataAPI_Point2D(aSketchLineA.attribute("EndPoint"))
67 aSketchLineB = aSketchFeature.addFeature("SketchLine")
68 aLineAStartPoint.setValue(0., 25)
69 aLineAEndPoint.setValue(85., 25)
71 aLineBStartPoint = geomDataAPI_Point2D(aSketchLineB.attribute("StartPoint"))
72 aLineBEndPoint = geomDataAPI_Point2D(aSketchLineB.attribute("EndPoint"))
73 aLineBStartPoint.setValue(0., 50)
74 aLineBEndPoint.setValue(80., 75)
75 aSession.finishOperation()
76 assert (model.dof(aSketchFeature) == 8)
77 #=========================================================================
78 # Link lines with collinear constraint
79 #=========================================================================
80 aSession.startOperation()
81 aParallelConstraint = aSketchFeature.addFeature("SketchConstraintCollinear")
82 refattrA = aParallelConstraint.refattr("ConstraintEntityA")
83 refattrB = aParallelConstraint.refattr("ConstraintEntityB")
84 refattrA.setObject(aSketchLineA.firstResult())
85 refattrB.setObject(aSketchLineB.firstResult())
86 aParallelConstraint.execute()
87 aSession.finishOperation()
88 checkCollinear(aSketchLineA, aSketchLineB)
89 assert (model.dof(aSketchFeature) == 6)
90 #=========================================================================
91 # Check values and move one constrainted object
92 #=========================================================================
94 # rotate line, check that reference's line points are moved also
95 aLineBStartPointPrev = (aLineBStartPoint.x(), aLineBStartPoint.y())
96 aLineBEndPointPrev = (aLineBEndPoint.x(), aLineBEndPoint.y())
97 aSession.startOperation()
98 aLineAStartPoint.setValue(aLineAStartPoint.x() + deltaX,
99 aLineAStartPoint.y() + deltaY)
100 aLineAEndPoint.setValue(aLineAEndPoint.x() - deltaX,
101 aLineAEndPoint.y() - deltaY)
102 aSession.finishOperation()
103 checkCollinear(aSketchLineA, aSketchLineB)
104 assert (model.dof(aSketchFeature) == 6)
105 #=========================================================================
107 #=========================================================================
109 assert(model.checkPythonDump())