def test1(self): 'mcni: relative coordinates for geometer' from mcni.Geometer2 import Geometer, AbsoluteCoord as abs, RelativeCoord as rel geometer = Geometer() geometer.register('comp0', abs((0, 0, 0)), abs((0, 0, 0))) geometer.register('comp1', abs((0, 0, 0)), abs((0, 90, 0))) geometer.register('comp2', rel((0, 0, 1), 'comp1'), abs((0, 0, 0))) geometer.register('comp3', rel((0, 0, 0), 'comp2'), rel((3, 4, 5), 'comp2')) geometer.register('comp4', abs((0, 0, 0)), rel((0, 0, 90), 'comp0')) geometer.register('comp5', abs((0, 0, 0)), rel((0, 90, 0), 'comp4')) geometer.register('comp6', rel((1, 2, 3), 'comp5'), abs((0, 0, 0))) comp2pos = geometer.position('comp2') nt.assert_array_almost_equal(comp2pos, (1, 0, 0)) comp2ori = geometer.orientation('comp2') nt.assert_array_almost_equal(comp2ori, (0, 0, 0)) comp3pos = geometer.position('comp3') nt.assert_array_almost_equal(comp3pos, (1, 0, 0)) comp3ori = geometer.orientation('comp3') nt.assert_array_almost_equal(comp3ori, toMatrix((3, 4, 5))) comp5ori = geometer.orientation('comp5') nt.assert_array_almost_equal(comp5ori, toMatrix((-90, 0, 90))) comp6pos = geometer.position('comp6') nt.assert_array_almost_equal(comp6pos, (-2, 3, -1)) return
def test1(self): "mcni: relative coordinates for geometer" from mcni.Geometer2 import Geometer, AbsoluteCoord as abs, RelativeCoord as rel geometer = Geometer() geometer.register("comp0", abs((0, 0, 0)), abs((0, 0, 0))) geometer.register("comp1", abs((0, 0, 0)), abs((0, 90, 0))) geometer.register("comp2", rel((0, 0, 1), "comp1"), abs((0, 0, 0))) geometer.register("comp3", rel((0, 0, 0), "comp2"), rel((3, 4, 5), "comp2")) geometer.register("comp4", abs((0, 0, 0)), rel((0, 0, 90), "comp0")) geometer.register("comp5", abs((0, 0, 0)), rel((0, 90, 0), "comp4")) geometer.register("comp6", rel((1, 2, 3), "comp5"), abs((0, 0, 0))) comp2pos = geometer.position("comp2") nt.assert_array_almost_equal(comp2pos, (1, 0, 0)) comp2ori = geometer.orientation("comp2") nt.assert_array_almost_equal(comp2ori, (0, 0, 0)) comp3pos = geometer.position("comp3") nt.assert_array_almost_equal(comp3pos, (1, 0, 0)) comp3ori = geometer.orientation("comp3") nt.assert_array_almost_equal(comp3ori, toMatrix((3, 4, 5))) comp5ori = geometer.orientation("comp5") nt.assert_array_almost_equal(comp5ori, toMatrix((-90, 0, 90))) comp6pos = geometer.position("comp6") nt.assert_array_almost_equal(comp6pos, (-2, 3, -1)) return
def calculateAbsoluteCoordinates(relative_coordinates, component_sequence): '''calculate the "absolute coordindates" of elements out of the "relative coordinates" The so-called "relative coordinates" are used to describe the geometrical interrelation of the elements. For example "guide2": "guide1", [0,0,3], [[1,0,0], [0,0,1], [0,-1,0]] means that guide2 is z=3 relative to guide1, and rotated 90 degrees along x axis. The format of a relative_coordinate is element: reference_element, position, orientation where position is a vector, and orientation is a 3X3 matrix. When reference_element is not specified, the entry is an absolute coordinate. There must be at least one entry in relative_coordinates that is "absolute". The whole set of relative_coordinates specification must be complete enough to resolve the absolute coordinates of all elements. ''' from mcni.Geometer2 import Geometer, RelativeCoord as rel, AbsoluteCoord as abs geometer = Geometer() geometer.element_sequence = component_sequence for element in relative_coordinates: reference, position, orientation = relative_coordinates[element] if reference: geometer.register(element, rel(position, reference), rel(orientation, reference)) else: geometer.register(element, abs(position), abs(orientation)) continue d = {} for element in relative_coordinates: d[element] = geometer.position(element), geometer.orientation(element) return d