def testBoundingSphereFromPoints(self):
sphere = BoundingSphere()
self.failUnless(len(sphere.center) == 0)
self.failUnless(sphere.radius == 0.0)
self.failUnless(sphere.minPointX[0] == float('inf'))
self.failUnless(sphere.minPointY[1] == float('inf'))
self.failUnless(sphere.minPointZ[2] == float('inf'))
self.failUnless(sphere.maxPointX[0] == float('-inf'))
self.failUnless(sphere.maxPointY[1] == float('-inf'))
self.failUnless(sphere.maxPointZ[2] == float('-inf'))
points = [[1.1, 3.2, 4.9], [3.1, 1.0, 21.4], [9.1, 3.2, 2.0], [2.0, 4.0, 9.5]]
sphere.fromPoints(points)
self.failUnless(sphere.minPointX[0] != float('inf'))
self.failUnless(sphere.minPointY[1] != float('inf'))
self.failUnless(sphere.minPointZ[2] != float('inf'))
self.failUnless(sphere.maxPointX[0] != float('-inf'))
self.failUnless(sphere.maxPointY[1] != float('-inf'))
self.failUnless(sphere.maxPointZ[2] != float('-inf'))
for point in points:
distance = c3d.distance(sphere.center, point)
self.failUnless(distance <= sphere.radius)
# Point outside the sphere
pointOutside = [1000.0, 1000.0, 1000.0]
distance = c3d.distance(sphere.center, pointOutside)
self.failUnless(distance > sphere.radius)
def testBoundingSphereFromPoints(self):
sphere = BoundingSphere()
self.failUnless(len(sphere.center) == 0)
self.failUnless(sphere.radius == 0.0)
self.failUnless(sphere.minPointX[0] == float('inf'))
self.failUnless(sphere.minPointY[1] == float('inf'))
self.failUnless(sphere.minPointZ[2] == float('inf'))
self.failUnless(sphere.maxPointX[0] == float('-inf'))
self.failUnless(sphere.maxPointY[1] == float('-inf'))
self.failUnless(sphere.maxPointZ[2] == float('-inf'))
points = [[1.1, 3.2, 4.9], [3.1, 1.0, 21.4], [9.1, 3.2, 2.0],
[2.0, 4.0, 9.5]]
sphere.fromPoints(points)
self.failUnless(sphere.minPointX[0] != float('inf'))
self.failUnless(sphere.minPointY[1] != float('inf'))
self.failUnless(sphere.minPointZ[2] != float('inf'))
self.failUnless(sphere.maxPointX[0] != float('-inf'))
self.failUnless(sphere.maxPointY[1] != float('-inf'))
self.failUnless(sphere.maxPointZ[2] != float('-inf'))
for point in points:
distance = c3d.distance(sphere.center, point)
self.failUnless(distance <= sphere.radius)
# Point outside the sphere
pointOutside = [1000.0, 1000.0, 1000.0]
distance = c3d.distance(sphere.center, pointOutside)
self.failUnless(distance > sphere.radius)
def testBoundingSpherePrecision(self):
tilePath = 'forge/data/quantized-mesh/raron.flat.1.terrain'
ter = TerrainTile()
ter.fromFile(tilePath, 7.80938, 7.81773, 46.30261, 46.30799)
coords = ter.getVerticesCoordinates()
llh2ecef = lambda x: LLH2ECEF(x[0], x[1], x[2])
coords = map(llh2ecef, coords)
sphere = BoundingSphere()
sphere.fromPoints(coords)
for coord in coords:
distance = c3d.distance(sphere.center, coord)
self.failUnless(distance <= sphere.radius)
def testBoundingSpherePrecision(self):
tilePath = 'forge/data/quantized-mesh/raron.flat.1.terrain'
ter = TerrainTile()
ter.fromFile(tilePath, 7.80938, 7.81773, 46.30261, 46.30799)
coords = ter.getVerticesCoordinates()
llh2ecef = lambda x: LLH2ECEF(x[0], x[1], x[2])
coords = map(llh2ecef, coords)
sphere = BoundingSphere()
sphere.fromPoints(coords)
for coord in coords:
distance = c3d.distance(sphere.center, coord)
self.failUnless(distance <= sphere.radius)