def test_remove(self):
root = scsdk_native.Node()
root.name = "root"
child1 = scsdk_native.Node()
child1.name = "child1"
child2 = scsdk_native.Node()
child2.name = "child2"
grandchild2 = scsdk_native.Node()
grandchild2.name = "grandchild2"
root.appendChild(child1)
root.appendChild(child2)
child2.appendChild(grandchild2)
child2.removeChild(grandchild2)
self.assertEqual(child2.numChildren(), 0)
scsdk_native.Node.remove(root, child1)
self.assertEqual(root.numChildren(), 1)
children = list(root.children())
self.assertEqual(children[0], child2)
def test_visibility(self):
n = scsdk_native.Node()
n.visibility = False
self.assertEqual(n.visibility, False)
n.visibility = True
self.assertEqual(n.visibility, True)
def test_transform(self):
n = scsdk_native.Node()
n.transform = np.array([[2, 0, 0, 0.9], [0, 9, 0, 0.1],
[0, 0, 13, 0.3]])
self.assertTrue(
np.allclose(
n.transform,
np.array([[2, 0, 0, 0.9], [0, 9, 0, 0.1], [0, 0, 13, 0.3]])))
def test_material(self):
n = scsdk_native.Node()
n.material.objectColor = np.array([1.0, 0.2, 0.3])
n.material.materialModel = scsdk_native.MaterialModel.Phong
self.assertEqual(n.material.materialModel,
scsdk_native.MaterialModel.Phong)
self.assertTrue(
np.allclose(n.material.objectColor, np.array([1.0, 0.2, 0.3])))
def test_all(self):
root = scsdk_native.Node()
root.name = "root"
filename = tempfile.NamedTemporaryFile(mode='w', delete=True)
scsdk_native.WriteSceneGraphToGltf(root, filename.name)
with open(filename.name, 'r') as file:
data = file.read().replace('\n', '')
readRoot = scsdk_native.ReadSceneGraphFromGltf(data)[0]
self.assertEqual(readRoot.name, "root")
def test_child(self):
root = scsdk_native.Node()
root.name = "root"
child1 = scsdk_native.Node()
child1.name = "child1"
child2 = scsdk_native.Node()
child2.name = "child2"
grandchild2 = scsdk_native.Node()
grandchild2.name = "grandchild2"
self.assertTrue(root.appendChild(child1))
self.assertTrue(root.appendChild(child2))
self.assertTrue(child2.appendChild(grandchild2))
self.assertEqual(root.numChildren(), 2)
self.assertEqual(child1.numChildren(), 0)
self.assertEqual(child2.numChildren(), 1)
self.assertEqual(grandchild2.numChildren(), 0)
children = list(root.children())
self.assertEqual(children[0], child1)
self.assertEqual(children[1], child2)
children = list(child2.children())
self.assertEqual(children[0], grandchild2)
children = list(root.children())
self.assertEqual(children[0], child1)
self.assertEqual(children[1], child2)
children = list(child2.children())
self.assertEqual(children[0], grandchild2)
def test_name(self):
n = scsdk_native.Node()
n.name = "foo"
self.assertEqual(n.name, "foo")
# # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import sys import numpy as np from scsdk import scsdk_native as scsdk from PIL import Image # This script demonstrates a bunch of the different node types in a SceneGraph root = scsdk.Node() root.name = "root" # geometry node, that repsents a geometry that is a single triangle. child1 = scsdk.GeometryNode() child1.name = "triangle1" child1.geometry.positions = np.array([[0, 0, 0], [1, 0, 0], [0, 1, 0]]) child1.geometry.normals = np.array([[0, 0, 1], [0, 0, 1], [0, 0, 1]]) child1.geometry.colors = np.array([[1, 0, 0], [1, 0, 0], [0, 1, 0]]) child1.geometry.faces = np.array([[0, 1, 2]]) child1.transform = np.array([[1, 0, 0, -3.0], [0, 1, 0, 0], [0, 0, 1, 0]]) root.appendChild(child1) # geometry node, that repsents a geometry that is a point cloud. # since no faces are specified, it is considered a point cloud. pointcloud = scsdk.GeometryNode()
import sys
import numpy as np
from scsdk import scsdk_native
import pywavefront
# This script convert the Stanford bunny into a SceneGraph
# root node
root = scsdk_native.Node()
root.name = "root"
# geometry node.
childNode = scsdk_native.GeometryNode()
root.appendChild(childNode)
childNode.name = "bunny"
x_position = 0.3
y_position = 1.2
z_position = 0.7
childNode.transform = np.array([[1, 0, 0, x_position], [0, 1, 0, y_position],
[0, 0, 1, z_position]])
rabbitObj = pywavefront.Wavefront('./bunny.obj')
for name, material in rabbitObj.materials.items():
assert ("N3F_V3F" == material.vertex_format)
numVertices = int(len(material.vertices) / 6)
numFaces = int(numVertices / 3)
positions = np.zeros((numVertices, 3))