Show beam ref sides

CHANGELOG.md

@@ -23,6 +23,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 * Refactored `compas_timber.connections.LapJoint` to comply with the new system.
 * Changed `THalfLapJoint`, `LHalfLapJoint`, `XHalfLapJoint` from `compas_timber.connections` so that they use the `Lap` BTLx processing.
 * Renamed all `X/T/LHalfLapJoint` classes to `X/T/LLapJoint`.
+* Changed `Show_beam_faces` gh component to `Show_beam_ref_side`, which now takes an `int` index and shows the corresponding face
+  including origin corner.
 
 ### Removed
 

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

@@ -0,0 +1,23 @@
+import rhinoscriptsyntax as rs
+from compas.geometry import Line
+from compas.scene import Scene
+from compas_rhino.conversions import frame_to_rhino
+from ghpythonlib.componentbase import executingcomponent as component
+
+
+class BTLxRefFace(component):
+    def RunScript(self, element, ref_side_index):
+        if not element:
+            return
+        if not ref_side_index:
+            ref_side_index = 0
+        return self.get_srf(element, ref_side_index)
+
+    def get_srf(self, element, ref_side_index):
+        face = element.side_as_surface(ref_side_index)
+        rh_srf = rs.AddPlaneSurface(frame_to_rhino(face.frame), face.xsize, face.ysize)
+        ln = Line(face.point_at(0, face.ysize / 3.0), face.point_at(face.ysize * 3 / 4, 0))
+        scene = Scene()
+        scene.add(ln)
+        ln = scene.draw()
+        return rh_srf, ln[0]

src/compas_timber/ghpython/components/CT_Show_Beam_Ref_Face/metadata.json

@@ -0,0 +1,32 @@
+{
+    "name": "Show Reference Side",
+    "nickname": "ShowRefSide",
+    "category": "COMPAS Timber",
+    "subcategory": "Show",
+    "description": "Shows the element side based on BTLx ref_side_index.",
+    "exposure": 4,
+    "ghpython": {
+        "isAdvancedMode": true,
+        "iconDisplay": 0,
+        "inputParameters": [
+            {
+                "name": "Element",
+                "description": "Element",
+                "typeHintID": "none",
+                "scriptParamAccess": 0
+            },
+            {
+                "name": "Reference Side",
+                "description": "integer 1-6 corresponding to BTLx reference side.",
+                "typeHintID": "int",
+                "scriptParamAccess": 0
+            }
+        ],
+        "outputParameters": [
+            {
+                "name": "Reference Side",
+                "description": "Surface and Line showing Reference Side and orientation(triangle at origin corner)."
+            }
+        ]
+    }
+}