class KdTreeOptionFrame(Frame):
def __init__(self, master=None):
Frame.__init__(self, master,
borderwidth=1,
relief=GROOVE)
self._log = logging.getLogger('KdTreeOptions')
self._model_var = StringVar()
self._model_var.set("data/cow.off")
self._tree_min_depth_var = IntVar()
self._tree_min_depth_var.set(0)
self._tree_max_depth_var = IntVar()
self._tree_max_depth_var.set(5)
self._label = Label(self, text="KD-Tree Options", width=30)
self._label.grid(row=0, sticky=E+W)
self._entry_model = Entry(self, textvariable=self._model_var)
self._entry_model.grid(row=1, sticky=E+W)
self._button_build = Button(self, text="Build KD-Tree", command=self._build_tree)
self._button_build.grid(row=2, sticky=E+W)
self._scale_tree_min_depth = Scale(self, label="Minimum tree depth", variable=self._tree_min_depth_var, from_=0, to=10, orient=HORIZONTAL)
self._scale_tree_min_depth.grid(row=3, sticky=E+W)
self._scale_tree_max_depth = Scale(self, label="Maximum tree depth", variable=self._tree_max_depth_var, from_=0, to=10, orient=HORIZONTAL)
self._scale_tree_max_depth.grid(row=4, sticky=E+W)
self._button_show = Button(self, text="Show KD-Tree boxes", command=self._build_tree_visualization)
self._button_show.grid(row=5, sticky=E+W)
self._tree_boxes = []
def _build_tree(self):
# build tree
self._log.info(u"Building kd-tree...")
self.tree = KdTree(point_list=openOff(self._model_var.get()).get_vertices())
self._log.info(u"Building kd-tree done.")
# create vertex visualization
self._log.info(u"Building kd-tree vizualization...")
GLTargetDistantLight(
pos = (0.3, -0.5, 1)
)
mat = GLMaterial(
diffuse = (1, 0, 0)
)
vertices = list(self.tree.iter_vertices())
t_vertices, t_faces = self._generate_trimesh_params(vertices)
TriMesh(verts=t_vertices, faces=t_faces, material=mat) #, dynamics=False, static=True)
#for vertex in list(tree.iter_vertices()):
#Box(pos=vertex, lx=0.05, ly=0.05, lz=0.05, dynamics=False, static=True, material=mat)
#Sphere()
# create bbox visualization
pass
self._log.info(u"Building kd-tree vizualization done.")
def _build_tree_visualization(self):
min_depth = self._tree_min_depth_var.get()
max_depth = self._tree_max_depth_var.get()
mat = GLMaterial(
diffuse = (0, 1, 0, 0.1),
blend_factors = (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA)
)
if hasattr(self, 'tree'):
self._log.info(u"Building kd-tree bounding box visualization...")
stack = [(self.tree.root, 0), ]
while stack:
node, level = stack.pop()
if level >= min_depth and level <= max_depth:
bbox = node.get_bbox()
bounds = bbox.getBounds()
self._tree_boxes.append(Box(pos=bbox.center(), lx=bounds[0][0] - bounds[1][0], ly=bounds[0][1] - bounds[1][1], lz=bounds[0][2] - bounds[1][2], material=mat))
if level < max_depth:
if node.left_child:
stack.append((node.left_child, level+1))
if node.right_child:
stack.append((node.right_child, level+1))
self._log.info(u"Building kd-tree bounding box visualization done.")
else:
self._log.error(u"No kd-tree found. Please build the tree first.")
def _generate_trimesh_params(self, vertices):
result_vertices = []
result_faces = []
for n, vertex in enumerate(vertices):
n = n * 4
result_vertices.append(vertex)
result_vertices.append(vertex+(0.1, 0 , 0 ))
result_vertices.append(vertex+(0 , 0.1, 0 ))
result_vertices.append(vertex+(0 , 0 , 0.1))
result_faces.append((n , n+1, n+2))
result_faces.append((n , n+1, n+3))
result_faces.append((n , n+2, n+3))
result_faces.append((n+1, n+2, n+3))
return (result_vertices, result_faces)
class KdTreeOptionFrame(Frame):
def __init__(self, master=None):
Frame.__init__(self, master, borderwidth=1, relief=GROOVE)
self._log = logging.getLogger('KdTreeOptions')
self._model_var = StringVar()
self._model_var.set("data/cow.off")
self._tree_min_depth_var = IntVar()
self._tree_min_depth_var.set(0)
self._tree_max_depth_var = IntVar()
self._tree_max_depth_var.set(5)
self._label = Label(self, text="KD-Tree Options", width=30)
self._label.grid(row=0, sticky=E + W)
self._entry_model = Entry(self, textvariable=self._model_var)
self._entry_model.grid(row=1, sticky=E + W)
self._button_build = Button(self,
text="Build KD-Tree",
command=self._build_tree)
self._button_build.grid(row=2, sticky=E + W)
self._scale_tree_min_depth = Scale(self,
label="Minimum tree depth",
variable=self._tree_min_depth_var,
from_=0,
to=10,
orient=HORIZONTAL)
self._scale_tree_min_depth.grid(row=3, sticky=E + W)
self._scale_tree_max_depth = Scale(self,
label="Maximum tree depth",
variable=self._tree_max_depth_var,
from_=0,
to=10,
orient=HORIZONTAL)
self._scale_tree_max_depth.grid(row=4, sticky=E + W)
self._button_show = Button(self,
text="Show KD-Tree boxes",
command=self._build_tree_visualization)
self._button_show.grid(row=5, sticky=E + W)
self._tree_boxes = []
def _build_tree(self):
# build tree
self._log.info(u"Building kd-tree...")
self.tree = KdTree(
point_list=openOff(self._model_var.get()).get_vertices())
self._log.info(u"Building kd-tree done.")
# create vertex visualization
self._log.info(u"Building kd-tree vizualization...")
GLTargetDistantLight(pos=(0.3, -0.5, 1))
mat = GLMaterial(diffuse=(1, 0, 0))
vertices = list(self.tree.iter_vertices())
t_vertices, t_faces = self._generate_trimesh_params(vertices)
TriMesh(verts=t_vertices, faces=t_faces,
material=mat) #, dynamics=False, static=True)
#for vertex in list(tree.iter_vertices()):
#Box(pos=vertex, lx=0.05, ly=0.05, lz=0.05, dynamics=False, static=True, material=mat)
#Sphere()
# create bbox visualization
pass
self._log.info(u"Building kd-tree vizualization done.")
def _build_tree_visualization(self):
min_depth = self._tree_min_depth_var.get()
max_depth = self._tree_max_depth_var.get()
mat = GLMaterial(diffuse=(0, 1, 0, 0.1),
blend_factors=(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA))
if hasattr(self, 'tree'):
self._log.info(u"Building kd-tree bounding box visualization...")
stack = [
(self.tree.root, 0),
]
while stack:
node, level = stack.pop()
if level >= min_depth and level <= max_depth:
bbox = node.get_bbox()
bounds = bbox.getBounds()
self._tree_boxes.append(
Box(pos=bbox.center(),
lx=bounds[0][0] - bounds[1][0],
ly=bounds[0][1] - bounds[1][1],
lz=bounds[0][2] - bounds[1][2],
material=mat))
if level < max_depth:
if node.left_child:
stack.append((node.left_child, level + 1))
if node.right_child:
stack.append((node.right_child, level + 1))
self._log.info(
u"Building kd-tree bounding box visualization done.")
else:
self._log.error(u"No kd-tree found. Please build the tree first.")
def _generate_trimesh_params(self, vertices):
result_vertices = []
result_faces = []
for n, vertex in enumerate(vertices):
n = n * 4
result_vertices.append(vertex)
result_vertices.append(vertex + (0.1, 0, 0))
result_vertices.append(vertex + (0, 0.1, 0))
result_vertices.append(vertex + (0, 0, 0.1))
result_faces.append((n, n + 1, n + 2))
result_faces.append((n, n + 1, n + 3))
result_faces.append((n, n + 2, n + 3))
result_faces.append((n + 1, n + 2, n + 3))
return (result_vertices, result_faces)
