Data interface

CHANGELOG.md

@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Beam transformed geometry with features is available using property `geometry`.
 * Adapted the `Data` interface of `Beam` and `Assembly` according to the changes in COMPAS core.
 * Beam geometry is created on demand.
+* Adapted the `Data` interface of `Joint` and its implementations according to the changes in COMPAS core.
 
 ### Removed
 

src/compas_timber/assembly/assembly.py

@@ -49,6 +49,8 @@ def from_data(cls, data):
             if isinstance(part, Joint):
                 assembly._joints.append(part)
                 part.restore_beams_from_keys(assembly)
+        for joint in assembly._joints:
+            joint.add_features()
         return assembly
 
     @property

src/compas_timber/connections/joint.py

@@ -1,4 +1,5 @@
 from compas.data import Data
+from compas.geometry import Frame
 from compas.geometry import Point
 from compas.geometry import angle_vectors
 from compas.geometry import intersection_line_line
@@ -60,21 +61,14 @@ class Joint(Data):
 
     SUPPORTED_TOPOLOGY = JointTopology.TOPO_UNKNOWN
 
-    def __init__(self, *args, **kwargs):
+    def __init__(self, frame=None, key=None):
         super(Joint, self).__init__()
-        # will be needed as coordinate system for structural calculations for the forces at the joint
-        # TODO: CK: who's supposed to sets these?
-        self.frame = None
-        self.key = None
+        self.frame = frame or Frame.worldXY()
+        self.key = key
 
     @property
     def data(self):
-        return {"frame": self.frame, "key": self.key}
-
-    @data.setter
-    def data(self, value):
-        self.frame = value["frame"]
-        self.key = value["key"]
+        return {"frame": self.frame.data, "key": self.key}
 
     @property
     def beams(self):
@@ -129,7 +123,7 @@ def create(cls, assembly, *beams):
         if len(beams) < 2:
             raise ValueError("Expected at least 2 beams. Got instead: {}".format(len(beams)))
 
-        joint = cls(assembly, *beams)
+        joint = cls(*beams)
         assembly.add_joint(joint, beams)
         joint.add_features()
         return joint

src/compas_timber/connections/l_butt.py

@@ -40,13 +40,13 @@ class LButtJoint(Joint):
 
     SUPPORTED_TOPOLOGY = JointTopology.TOPO_L
 
-    def __init__(self, assembly=None, main_beam=None, cross_beam=None):
-        super(LButtJoint, self).__init__(assembly, [main_beam, cross_beam])
-        self.main_beam_key = main_beam.key
-        self.cross_beam_key = cross_beam.key
+    def __init__(self, main_beam=None, cross_beam=None, gap=0.0, frame=None, key=None):
+        super(LButtJoint, self).__init__(frame=frame, key=key)
         self.main_beam = main_beam
         self.cross_beam = cross_beam
-        self.gap = 0.0  # float, additional gap, e.g. for glue
+        self.main_beam_key = main_beam.key if main_beam else None
+        self.cross_beam_key = cross_beam.key if cross_beam else None
+        self.gap = gap  # float, additional gap, e.g. for glue
         self.features = []
 
     @property
@@ -59,12 +59,12 @@ def data(self):
         data_dict.update(super(LButtJoint, self).data)
         return data_dict
 
-    @data.setter
-    def data(self, value):
-        Joint.data.fset(self, value)
-        self.main_beam_key = value["main_beam_key"]
-        self.cross_beam_key = value["cross_beam_key"]
-        self.gap = value["gap"]
+    @classmethod
+    def from_data(cls, value):
+        instance = cls(frame=Frame.from_data(value["frame"]), key=value["key"], gap=value["gap"])
+        instance.main_beam_key = value["main_beam_key"]
+        instance.cross_beam_key = value["cross_beam_key"]
+        return instance
 
     @property
     def beams(self):

src/compas_timber/connections/l_miter.py

@@ -42,31 +42,32 @@ class LMiterJoint(Joint):
 
     SUPPORTED_TOPOLOGY = JointTopology.TOPO_L
 
-    def __init__(self, assembly=None, beam_a=None, beam_b=None, cutoff=None):
-        super(LMiterJoint, self).__init__(assembly, [beam_a, beam_b])
+    def __init__(self, beam_a=None, beam_b=None, cutoff=None, frame=None, key=None):
+        super(LMiterJoint, self).__init__(frame, key)
         self.beam_a = beam_a
         self.beam_b = beam_b
-        self.beam_a_key = None
-        self.beam_b_key = None
+        self.beam_a_key = beam_a.key if beam_a else None
+        self.beam_b_key = beam_b.key if beam_b else None
         self.cutoff = cutoff  # for very acute angles, limit the extension of the tip/beak of the joint
         self.features = []
 
     @property
     def data(self):
         data_dict = {
-            "beam_a": self.beam_a.key,
-            "beam_b": self.beam_b.key,
+            "beam_a": self.beam_a_key,
+            "beam_b": self.beam_b_key,
             "cutoff": self.cutoff,
         }
         data_dict.update(Joint.data.fget(self))
         return data_dict
 
-    @data.setter
-    def data(self, value):
-        Joint.data.fset(self, value)
-        self.beam_a_key = value["beam_a"]
-        self.beam_b_key = value["beam_b"]
-        self.cutoff = value["cutoff"]
+    @classmethod
+    def from_data(cls, value):
+        instance = cls(frame=Frame.from_data(value["frame"]), key=value["key"], cutoff=value["cutoff"])
+        instance.beam_a_key = value["beam_a"]
+        instance.beam_b_key = value["beam_b"]
+        instance.cutoff = value["cutoff"]
+        return instance
 
     @property
     def joint_type(self):

src/compas_timber/connections/t_butt.py

@@ -41,31 +41,31 @@ class TButtJoint(Joint):
 
     SUPPORTED_TOPOLOGY = JointTopology.TOPO_T
 
-    def __init__(self, assembly=None, main_beam=None, cross_beam=None):
-        super(TButtJoint, self).__init__(assembly, [main_beam, cross_beam])
-        self.main_beam_key = None
-        self.cross_beam_key = None
+    def __init__(self, main_beam=None, cross_beam=None, gap=None, frame=None, key=None):
+        super(TButtJoint, self).__init__(frame, key)
+        self.main_beam_key = main_beam.key if main_beam else None
+        self.cross_beam_key = cross_beam.key if cross_beam else None
         self.main_beam = main_beam
         self.cross_beam = cross_beam
-        self.gap = None
+        self.gap = gap
         self.features = []
 
     @property
     def data(self):
         data_dict = {
-            "main_beam_key": self.main_beam.key,
-            "cross_beam_key": self.cross_beam.key,
+            "main_beam_key": self.main_beam_key,
+            "cross_beam_key": self.cross_beam_key,
             "gap": self.gap,
         }
         data_dict.update(Joint.data.fget(self))
         return data_dict
 
-    @data.setter
-    def data(self, value):
-        Joint.data.fset(self, value)
-        self.main_beam_key = value["main_beam_key"]
-        self.cross_beam_key = value["cross_beam_key"]
-        self.gap = value["gap"]
+    @classmethod
+    def from_data(cls, value):
+        instance = cls(frame=Frame.from_data(value["frame"]), key=value["key"], gap=value["gap"])
+        instance.main_beam_key = value["main_beam_key"]
+        instance.cross_beam_key = value["cross_beam_key"]
+        return instance
 
     @property
     def beams(self):

src/compas_timber/ghpython/components/CT_ShowAssembly/code.py

@@ -8,7 +8,6 @@ def RunScript(self, Assembly):
         if not Assembly:
             self.AddRuntimeMessage(Warning, "Input parameter Assembly failed to collect data")
             return
-        Assembly = Assembly.copy()  # we're gonna be making changes to upstream objects
 
         Brep = []
         for beam in Assembly.beams:

tests/compas_timber/test_TButtJoint.py

@@ -28,4 +28,4 @@ def test_create():
     A = TimberAssembly()
     A.add_beam(B1)
     A.add_beam(B2)
-    _ = TButtJoint(A, B1, B2)
+    TButtJoint.create(A, B1, B2)

tests/compas_timber/test_joint.py

@@ -9,7 +9,7 @@
 from compas.geometry import Vector
 
 from compas_timber.assembly import TimberAssembly
-from compas_timber.connections import Joint
+from compas_timber.connections import TButtJoint
 from compas_timber.connections import find_neighboring_beams
 from compas_timber.parts import Beam
 
@@ -38,7 +38,7 @@ def test_create(mocker):
     B2 = Beam(Frame.worldYZ(), length=1.0, width=0.1, height=0.1, geometry_type="mesh")
     A.add_beam(B1)
     A.add_beam(B2)
-    J = Joint.create(A, B1, B2)
+    J = TButtJoint.create(A, B1, B2)
 
     assert len(list(A.graph.nodes())) == 3
     assert len(list(A.graph.edges())) == 2
@@ -54,7 +54,7 @@ def test_joint_override_protection(mocker):
     A.add_beam(B1)
     A.add_beam(B2)
     A.add_beam(B3)
-    J = Joint.create(A, B1, B2)
+    J = TButtJoint.create(A, B1, B2)
 
     assert A.are_parts_joined([B1, B2])
     assert A.are_parts_joined([B1, B3]) is False
@@ -74,7 +74,7 @@ def test_deepcopy(mocker):
     B2 = Beam.from_endpoints(Point(1, 0, 0), Point(1, 1, 0), 0.1, 0.2, z_vector=Vector(0, 0, 1), geometry_type="mesh")
     A.add_beam(B1)
     A.add_beam(B2)
-    J = Joint(A, B1, B2)
+    J = TButtJoint.create(A, B1, B2)
     J_copy = deepcopy(J)
 
     assert J_copy is not J