def test_create_mesh_with_API_frames(self):
# Load from previous test
vcd = core.VCD('./etc/test_mesh.json')
# Let's assume we know the structure of the mesh
#
# P0 L0 P1 L4 P4
# *--------*--------*
# | | |
# |L3 A0 |L1 A1 |L5
# | | |
# *--------*--------*
# P3 L2 P2 L6 P5
#
# V0 [A0,A1]
# Let's read mesh object
# mesh1 = vcd.get_objects_with_object_data_name("parkslot1")
mesh1 = vcd.get_object(0)
# Let's read static object_data
# od_mesh = mesh1.data['object_data']['mesh']
od_mesh = vcd.get_object_data(0, "parkslot1", frame_num=None)
vertices = od_mesh['point3d']
edges = od_mesh['line_reference']
areas = od_mesh['area_reference']
# Let's add some frame-specific attributes (for line-reference and area-references)
# Currently, only way to do it is by creating a new mesh object_data
# and add it to the existing Object, specifying the frame
for frame_num in range(0, 2):
mesh1_frame = types.mesh("parkslot1")
for line_key, line_val in edges.items():
# If we want to add a line_reference attribute: Reconstruct line_reference
# Read existing info
# "None" for val, so it is not copied at frame-lev.
lX = types.lineReference(
line_val['name'],
reference_type=types.ObjectDataType.point3d,
val=None)
lX.add_attribute(types.text("PM_line_colour", "not set"))
mesh1_frame.add_edge(lX, line_key)
for area_key, area_val in areas.items():
# If we want to add an area_reference attribute: Reconstruct area_reference
# Read existing info
aX = types.areaReference(
area_val['name'],
reference_type=types.ObjectDataType.line_reference,
val=None)
aX.add_attribute(types.text("PM_park_slot_content", "Empty"))
mesh1_frame.add_area(aX, area_key)
vcd.add_object_data(0, mesh1_frame, frame_num)
# Save it
if not os.path.isfile('./etc/test_mesh_frame.json'):
vcd.save('./etc/test_mesh_frame.json', True)
def test_create_mesh_with_API(self):
# 1.- Create a VCD instance
vcd = core.VCD()
# Mesh sample representation
#
# P0 L0 P1 L4 P4
# *--------*--------*
# | | |
# |L3 A0 |L1 A1 |L5
# | | |
# *--------*--------*
# P3 L2 P2 L6 P5
#
# V0 [A0,A1]
mesh1 = types.mesh("parkslot1")
# Vertex
# P0
p0 = types.point3d("Vertex", (25, 25, 0))
p0.add_attribute(types.text("T Shape", "PM_line_ending_type"))
p0_id = mesh1.add_vertex(p0)
# P1
p1 = types.point3d("Vertex", (26, 25, 0))
p1.add_attribute(types.text("I Shape", "PM_line_ending_type"))
mesh1.add_vertex(p1)
# P2
p2 = types.point3d("Vertex", (26, 26, 0))
p2.add_attribute(types.text("U Shape", "PM_line_ending_type"))
mesh1.add_vertex(p2)
# P3
p3 = types.point3d("Vertex", (25, 26, 0))
p3.add_attribute(types.text("C Shape", "PM_line_ending_type"))
mesh1.add_vertex(p3)
# P4
p4 = types.point3d("Vertex", (27, 25, 0))
p4.add_attribute(types.text("T Shape", "PM_line_ending_type"))
mesh1.add_vertex(p4)
# P5
p5 = types.point3d("Vertex", (27, 26, 0))
p5.add_attribute(types.text("I Shape", "PM_line_ending_type"))
mesh1.add_vertex(p5)
# Edges
# L0
l0 = types.lineReference("Edge", [0, 1], types.ObjectDataType.point3d)
l0.add_attribute(types.text("Single Solid", "PM_line_marking_type"))
l0.add_attribute(
types.text("White", "PM_lPM_line_colourine_marking_typ"))
l0_id = mesh1.add_edge(l0)
# L1
l1 = types.lineReference("Edge", [1, 2], types.ObjectDataType.point3d)
l1.add_attribute(types.text("Double Solid", "PM_line_marking_type"))
l1.add_attribute(
types.text("Blue", "PM_lPM_line_colourine_marking_type"))
l1_id = mesh1.add_edge(l1)
# L2
l2 = types.lineReference("Edge", [2, 3], types.ObjectDataType.point3d)
l2.add_attribute(types.text("Dashed", "PM_line_marking_type"))
l2.add_attribute(
types.text("Yellow", "PM_lPM_line_colourine_marking_type"))
l2_id = mesh1.add_edge(l2)
# L3
l3 = types.lineReference("Edge", [3, 0], types.ObjectDataType.point3d)
l3.add_attribute(types.text("Cross", "PM_line_marking_type"))
l3.add_attribute(
types.text("Green", "PM_lPM_line_colourine_marking_type"))
mesh1.add_edge(l3)
# L4
l4 = types.lineReference("Edge", [1, 4], types.ObjectDataType.point3d)
l4.add_attribute(types.text("Single Solid", "PM_line_marking_type"))
l4.add_attribute(
types.text("White", "PM_lPM_line_colourine_marking_type"))
mesh1.add_edge(l4)
# L5
l5 = types.lineReference("Edge", [4, 5], types.ObjectDataType.point3d)
l5.add_attribute(types.text("Double Solid", "PM_line_marking_type"))
l5.add_attribute(
types.text("Blue", "PM_lPM_line_colourine_marking_type"))
mesh1.add_edge(l5)
# L6
l6 = types.lineReference("Edge", [5, 2], types.ObjectDataType.point3d)
l6.add_attribute(types.text("Dashed", "PM_line_marking_type"))
l6.add_attribute(
types.text("Yellow", "PM_lPM_line_colourine_marking_type"))
mesh1.add_edge(l6)
# Areas
# A0
a0 = types.areaReference("Slot", [0, 1, 2, 3],
types.ObjectDataType.line_reference)
a0.add_attribute(types.text("Fishbone", "PM_park_slot_type"))
a0.add_attribute(types.text("Empty", "PM_park_slot_content"))
mesh1.add_area(a0)
a1 = types.areaReference("Slot", [4, 5, 6, 1],
types.ObjectDataType.line_reference)
a1.add_attribute(types.text("Fishbone", "PM_park_slot_type"))
a1.add_attribute(types.text("Empty", "PM_park_slot_content"))
mesh1.add_area(a1)
mesh_id = vcd.add_object("mesh1", "mesh")
vcd.add_object_data(mesh_id, mesh1)
string_mesh = mesh1.get_mesh_geometry_as_string()
self.assertEqual(
string_mesh,
"[[[25,25,0],[26,25,0],[26,26,0],[25,26,0],[27,25,0],[27,26,0]],"
"[[0,1],[1,2],[2,3],[3,0],[1,4],[4,5],[5,2]],[[0,1,2,3],[4,5,6,1]]]"
)
if not os.path.isfile('./etc/test_mesh.json'):
vcd.save('./etc/test_mesh.json', True)
def __copy_elements(self, vcd_430, root, frame_num=None):
if 'objects' in root:
for object in root['objects']:
uid = str(object['uid']) # Let's convert to string here
name = object['name']
ontologyUID = None
if 'ontologyUID' in object:
ontologyUID = str(object['ontologyUID']) # Let's convert to string here
typeSemantic = object.get('type', '') # In VCD 4.3.0 type is required, but it VCD 3.3.0 seems to be not
if not vcd_430.has(core.ElementType.object, uid):
vcd_430.add_object(name, typeSemantic, frame_num, uid, ontologyUID)
if 'objectDataContainer' in object:
objectDataContainer = object['objectDataContainer']
for key, value in objectDataContainer.items():
for object_data in value:
inStream = None
if 'inStream' in object_data:
inStream = object_data['inStream']
if 'val' in object_data:
val = object_data['val']
currentObjectData = None
# Create main object_data body
# NOTE: in the following calls, I am using direct access to dictionary for required fields, e.g.
# object_data['name'], etc.
# For optional fields, I am using get() function, e.g. object_data.get('mode') which defaults to
# None
if key == 'num':
if len(val) == 1:
# Single value, this is a num
currentObjectData = types.num(object_data['name'], val[0], inStream)
else:
# Multiple values, this is a vec
currentObjectData = types.vec(object_data['name'], val, inStream)
elif key == 'bool':
currentObjectData = types.boolean(object_data['name'], val, inStream)
elif key == 'text':
currentObjectData = types.text(object_data['name'], val, inStream)
elif key == 'image':
currentObjectData = types.image(
object_data['name'], val,
object_data['mimeType'], object_data['encoding'],
inStream
)
elif key == 'binary':
currentObjectData = types.binary(
object_data['name'], val,
object_data['dataType'], object_data['encoding'],
inStream
)
elif key == 'vec':
currentObjectData = types.vec(object_data['name'], val, inStream)
elif key == 'bbox':
currentObjectData = types.bbox(object_data['name'], val, inStream)
elif key == 'cuboid':
currentObjectData = types.cuboid(object_data['name'], val, inStream)
elif key == 'mat':
currentObjectData = types.mat(
object_data['name'], val,
object_data['channels'], object_data['width'], object_data['height'],
object_data['dataType'],
inStream
)
elif key == 'point2D':
currentObjectData = types.point2d(object_data['name'], val, object_data.get('id'), inStream)
elif key == 'point3D':
currentObjectData = types.point3d(object_data['name'], val, object_data.get('id'), inStream)
elif key == "poly2D":
mode_int = object_data['mode']
currentObjectData = types.poly2d(
object_data['name'], val, types.Poly2DType(mode_int), object_data['closed'], inStream
)
elif key == "poly3D":
currentObjectData = types.poly3d(object_data['name'], val, object_data['closed'], inStream)
elif key == "mesh":
currentObjectData = types.mesh(object_data['name'])
if 'point3D' in object_data:
for p3d_330 in object_data['point3D']:
# Create a types.point3d object and add it to the mesh
id = p3d_330['id']
name = p3d_330['name']
val = p3d_330['val']
p3d_430 = types.point3d(name, val)
self.__add_attributes(p3d_330, p3d_430)
currentObjectData.add_vertex(p3d_430, id)
if 'lineReference' in object_data:
for lref_330 in object_data['lineReference']:
# Create a types.line_reference object and add it to the mesh
id = lref_330['id']
name = lref_330['name']
referenceType = lref_330['referenceType']
assert(referenceType == "point3D")
val = lref_330.get('val') # defaults to None, needed for the constructor
lref_430 = types.lineReference(name, val, types.ObjectDataType.point3d)
self.__add_attributes(lref_330, lref_430)
currentObjectData.add_edge(lref_430, id)
if 'areaReference' in object_data:
for aref_330 in object_data['areaReference']:
# Create a types.area_reference object and add it to the mesh
id = aref_330['id']
name = aref_330['name']
referenceType = aref_330['referenceType']
assert (referenceType == "point3D" or referenceType == "lineReference")
val = aref_330.get('val') # defaults to None, needed for the constructor
if referenceType == "point3D":
aref_430 = types.areaReference(name, val, types.ObjectDataType.point3d)
else:
aref_430 = types.areaReference(name, val, types.ObjectDataType.line_reference)
self.__add_attributes(aref_330, aref_430)
currentObjectData.add_area(aref_430, id)
# Add any attributes
self.__add_attributes(object_data, currentObjectData)
# Add the object_data to the object
vcd_430.add_object_data(uid, currentObjectData, frame_num)
if 'actions' in root:
for action in root['actions']:
uid = str(action['uid'])
name = action['name']
ontologyUID = None
if 'ontologyUID' in action:
ontologyUID = str(action['ontologyUID'])
typeSemantic = action.get('type', '') # required in VCD 4.0, not in VCD 3.3.0
vcd_430.add_action(name, typeSemantic, frame_num, uid, ontologyUID)
if 'events' in root:
for event in root['events']:
uid = str(event['uid'])
name = event['name']
ontologyUID = None
if 'ontologyUID' in event:
ontologyUID = str(event['ontologyUID'])
typeSemantic = event.get('type', '')
vcd_430.add_event(name, typeSemantic, frame_num, uid, ontologyUID)
if 'contexts' in root:
for context in root['contexts']:
uid = str(context['uid'])
name = context['name']
ontologyUID = None
if 'ontologyUID' in context:
ontologyUID = str(context['ontologyUID'])
typeSemantic = context.get('type', '')
vcd_430.add_context(name, typeSemantic, frame_num, uid, ontologyUID)
if 'relations' in root:
for relation in root['relations']:
uid = str(relation['uid'])
name = relation['name']
ontologyUID = None
if 'ontologyUID' in relation:
ontologyUID = str(relation['ontologyUID'])
predicate = relation.get('predicate', '')
rdf_objects = relation.get('rdf_objects', None)
rdf_subjects = relation.get('rdf_subjects', None)
vcd_430.add_relation(name, predicate, frame_value=frame_num, uid=uid, ont_uid=ontologyUID)
relation = vcd_430.get_element(core.ElementType.relation, uid)
if not 'rdf_objects' in relation or len(relation['rdf_objects']) == 0: # just add once
for rdf_object in rdf_objects:
element_type = None
rdf_object_type_str = rdf_object['type']
if rdf_object_type_str == "Object":
element_type = core.ElementType.object
elif rdf_object_type_str == "Action":
element_type = core.ElementType.action
elif rdf_object_type_str == "Event":
element_type = core.ElementType.event
elif rdf_object_type_str == "Context":
element_type = core.ElementType.context
else:
warnings.warn("ERROR: Unrecognized Element type. Must be Object, Action, Event or Context.")
vcd_430.add_rdf(uid, core.RDF.object, str(rdf_object['uid']), element_type)
if not 'rdf_subjects' in relation or len(relation['rdf_subjects']) == 0: # just add once
for rdf_subject in rdf_subjects:
element_type = None
rdf_object_type_str = rdf_subject['type']
if rdf_object_type_str == "Object":
element_type = core.ElementType.object
elif rdf_object_type_str == "Action":
element_type = core.ElementType.action
elif rdf_object_type_str == "Event":
element_type = core.ElementType.event
elif rdf_object_type_str == "Context":
element_type = core.ElementType.context
else:
warnings.warn("ERROR: Unrecognized Element type. Must be Object, Action, Event or Context.")
vcd_430.add_rdf(uid, core.RDF.subject, str(rdf_subject['uid']), element_type)