def testWireframeGroup():
""" Example of how to create a group of named wireframes. """
g = wf.WireframeGroup()
g.addWireframe('cube1', shape.Cuboid((100, 100, 10), (20, 30, 40)))
g.addWireframe('cube2', shape.Cuboid((10, 200, 10), (10, 40, 20)))
g.output()
def testWireframeDisplay3():
""" Create display with two cuboids, a plane and spheroid. """
viewer = wd.WireframeViewer(600, 400)
viewer.addWireframe('grid',
shape.HorizontalGrid((20, 400, 0), (40, 30), (14, 20)))
viewer.addWireframe('cube1', shape.Cuboid((200, 100, 400), (20, 30, 40)))
viewer.addWireframe('cube2', shape.Cuboid((100, 360, 20), (10, 40, 20)))
viewer.addWireframe('sphere', shape.Spheroid((250, 300, 100),
(20, 30, 40)))
viewer.run()
def testSurfaceDisplayWithCube():
""" Create and display a cube with surfaces. """
viewer = wd.WireframeViewer(600, 400)
viewer.addWireframe('cube', shape.Cuboid((225, 100, 0), (200, 200, 200)))
viewer.displayEdges = False
viewer.run()
def testWireframeDisplay():
""" Create and display a wireframe cube. """
viewer = wd.WireframeViewer(600, 400)
viewer.addWireframe('cube', shape.Cuboid((80, 150, 0), (200, 200, 200)))
viewer.displayFaces = False
viewer.run()
def testScale():
""" Example of how to scale a wireframe.
Creates a cuboid and scales it by 2, centred on (100,150,200). """
cuboid = shape.Cuboid((100, 100, 10), (20, 30, 40))
cuboid.outputNodes()
print "\n> Scale cuboid by 2, centred at (100,150,200)"
cuboid.transform(wf.scaleMatrix(2, 100, 150, 200))
cuboid.outputNodes()
def testTranslate():
""" Example of how to translate a wireframe.
Creates a cuboid and translates it by vector (4,3,1). """
cuboid = shape.Cuboid((100, 100, 10), (20, 30, 40))
cuboid.outputNodes()
print "\n> Translate cuboid along vector [4 3 1]"
cuboid.transform(wf.translationMatrix(4, 3, 1))
cuboid.outputNodes()
def testWireframe():
""" Example of how to create wireframes node by node, and by using the basicShape module.
Creates a triangle and cuboid wireframe and outputs their node, edge and face values. """
# Create a triangle by explictly passing the nodes and edges
print "\nTriangle"
triangle = wf.Wireframe([[100, 200, 10], [200, 200, 10], [125, 100, 500]])
triangle.addEdges([(0, 1), (1, 2), (2, 0)])
triangle.output()
# Create a cuboid using the basicShape module
print "\nCuboid"
cuboid = shape.Cuboid((100, 100, 10), (20, 30, 40))
cuboid.output()
def testRotate():
""" Example of how to rotate a wireframe.
Creates a cuboid and rotates about its centre by pi/2 radians. """
cuboid = shape.Cuboid((100, 100, 10), (20, 30, 40))
cuboid.outputNodes()
# Find rotation matrix
(x, y, z) = cuboid.findCentre()
translation_matrix = wf.translationMatrix(-x, -y, -z)
rotation_matrix = np.dot(translation_matrix, wf.rotateXMatrix(math.pi / 2))
rotation_matrix = np.dot(rotation_matrix, -translation_matrix)
print "\n> Rotate cuboid around its centre and the x-axis"
cuboid.transform(rotation_matrix)
cuboid.outputNodes()