update examples

docs/examples/extrusion_occ.py

@@ -8,7 +8,7 @@
 from compas_occ.brep import OCCBrepEdge
 from compas_occ.brep import OCCBrepFace
 from compas_occ.brep import OCCBrepLoop
-from compas_view2.app import App
+from compas_viewer import Viewer
 
 circle1 = Circle(1.0, frame=Frame([2, 2, 0]))
 circle2 = Circle(2.0, frame=Frame([-2, -2, 0]))
@@ -51,20 +51,20 @@
 # Visualization
 # =============================================================================
 
-viewer = App(width=1600, height=900)
-viewer.view.camera.position = [0, -12, 10]
-viewer.view.camera.look_at([0, 2, 0])
+viewer = Viewer()
+viewer.renderer.camera.position = [0, -12, 10]
+viewer.renderer.camera.target = [0, 2, 0])
 
-# viewer.add(brep, linewidth=2, opacity=0.5)
+# viewer.scene.add(brep, linewidth=2, opacity=0.5)
 
 # for surface in model.surfaces:
-#     viewer.add(model.surface_mesh(surface))
+#     viewer.scene.add(model.surface_mesh(surface))
 
 for curve in model.curves:
-    viewer.add(model.curve_to_polyline(curve), linewidth=2)
+    viewer.scene.add(model.curve_to_polyline(curve), linewidth=2)
 
 for point in model.points:
-    viewer.add(model.point_to_point(point), pointsize=10)
+    viewer.scene.add(model.point_to_point(point), pointsize=10)
 
-viewer.add(mesh, opacity=0.7)
+viewer.scene.add(mesh, opacity=0.7)
 viewer.show()

docs/examples/plate.py

@@ -1,17 +1,17 @@
+from compas.colors import Color
 from compas.datastructures import Mesh
-from compas.datastructures import mesh_thicken
+from compas.geometry import Line
 from compas.geometry import Point
 from compas.geometry import Vector
 from compas_gmsh.models import MeshModel
-from compas_view2.app import App
-from compas_view2.shapes import Arrow
+from compas_viewer import Viewer
 
 # ==============================================================================
 # Make a plate mesh
 # ==============================================================================
 
 mesh = Mesh.from_meshgrid(dx=10, nx=5)
-plate = mesh_thicken(mesh, 0.3)
+plate = mesh.thickened(0.3)
 
 # ==============================================================================
 # GMSH model
@@ -46,18 +46,19 @@
 # Viz
 # ==============================================================================
 
-viewer = App(width=1600, height=900)
-viewer.view.camera.position = [5, -6, 7]
-viewer.view.camera.look_at([5, 5, 0])
+viewer = Viewer()
 
-viewer.add(mesh)
+viewer.renderer.camera.target = [5, 5, 0]
+viewer.renderer.camera.position = [5, -6, 7]
+
+viewer.scene.add(mesh, show_points=False)
 
 poa = Point(*plate.vertex_coordinates(poa))
 start = poa + Vector(0, 0, 1)
 vector = Vector(0, 0, -1)
-load = Arrow(start, vector, body_width=0.03)
+load = Line.from_point_and_vector(start, vector)
 
-viewer.add(poa, pointsize=20)
-viewer.add(load, facecolor=(1, 0, 0))
+viewer.scene.add(poa, pointsize=20)
+viewer.scene.add(load, linecolor=Color.red(), lineswidth=5, show_points=False)
 
-viewer.run()
+viewer.show()

docs/examples/remeshing.py

@@ -5,7 +5,7 @@
 from compas.topology import astar_shortest_path
 from compas_gmsh.models import MeshModel
 from compas_gmsh.options import MeshAlgorithm
-from compas_view2.app import App
+from compas_viewer import Viewer
 
 # ==============================================================================
 # Input
@@ -19,7 +19,7 @@
 
 targetlength = {vertex: 1.0 for vertex in mesh.vertices()}
 
-corners = list(mesh.vertices_where({"vertex_degree": 2}))
+corners = list(mesh.vertices_where(vertex_degree=2))
 
 start = choice(list(set(mesh.vertices()) - set(mesh.vertices_on_boundary())))
 end = choice(corners)
@@ -46,9 +46,10 @@
 # Visualize
 # ==============================================================================
 
-viewer = App(width=1600, height=900)
-viewer.view.camera.position = [1, -5, 1]
-viewer.view.camera.look_at([1, 5, 0])
+viewer = Viewer()
 
-viewer.add(mesh)
-viewer.run()
+viewer.renderer.camera.target = [1, 5, 0]
+viewer.renderer.camera.position = [1, -5, 1]
+
+viewer.scene.add(mesh, show_points=False)
+viewer.show()

docs/examples/tets.py

@@ -1,10 +1,11 @@
+from compas.colors import Color
+from compas.datastructures import Mesh
 from compas.geometry import Sphere
 from compas.geometry import Translation
 from compas.geometry import centroid_points
-from compas.utilities import geometric_key
+from compas.tolerance import Tolerance
 from compas_gmsh.models import ShapeModel
-from compas_view2.app import App
-from compas_view2.objects import Collection
+from compas_viewer import Viewer
 
 # ==============================================================================
 # Geometry
@@ -35,9 +36,11 @@
 
 # replace by model method
 
+tol = Tolerance()
+
 centroid_face = {}
 for face in shell.faces():
-    centroid_face[geometric_key(shell.face_centroid(face))] = face
+    centroid_face[tol.geometric_key(shell.face_centroid(face))] = face
 
 bottom_exterior = []
 bottom_interior = []
@@ -54,39 +57,57 @@
         top.append(tet)
 
 for tet in bottom:
-    if any(geometric_key(centroid_points([tet.vertices[index] for index in face])) in centroid_face for face in tet.faces):
+    if any(tol.geometric_key(centroid_points([tet.vertices[index] for index in face])) in centroid_face for face in tet.faces):
         bottom_exterior.append(tet)
     else:
         bottom_interior.append(tet)
 
 for tet in top:
-    if any(geometric_key(centroid_points([tet.vertices[index] for index in face])) in centroid_face for face in tet.faces):
+    if any(tol.geometric_key(centroid_points([tet.vertices[index] for index in face])) in centroid_face for face in tet.faces):
         top_exterior.append(tet)
     else:
         top_interior.append(tet)
 
+# ==============================================================================
+# This is a temp hack
+# ==============================================================================
+
+bottom_ext = Mesh()
+for tet in bottom_exterior:
+    bottom_ext.join(Mesh.from_vertices_and_faces(tet.vertices, tet.faces), weld=False)
+
+bottom_int = Mesh()
+for tet in bottom_interior:
+    bottom_int.join(Mesh.from_vertices_and_faces(tet.vertices, tet.faces), weld=False)
+
+top_ext = Mesh()
+for tet in top_exterior:
+    top_ext.join(Mesh.from_vertices_and_faces(tet.vertices, tet.faces), weld=False)
+
+top_int = Mesh()
+for tet in top_interior:
+    top_int.join(Mesh.from_vertices_and_faces(tet.vertices, tet.faces), weld=False)
+
 # ==============================================================================
 # Visualization with viewer
 # ==============================================================================
 
-viewer = App(width=1600, height=900)
-viewer.view.camera.position = [0, -8, 0]
-viewer.view.camera.look_at([0, 0, 0])
+viewer = Viewer()
+
+viewer.renderer.camera.target = [0, 0, 0]
+viewer.renderer.camera.position = [0, -8, 0]
 
 T = Translation.from_vector([0, 0, 0.5])
-for tet in top:
-    tet.transform(T)
+top_ext.transform(T)
+top_int.transform(T)
 
 T = Translation.from_vector([0, 0, -0.5])
-for tet in bottom:
-    tet.transform(T)
-
-viewer.add(Collection(bottom_exterior), facecolor=(1, 0, 0))
-viewer.add(Collection(bottom_interior))
-
-viewer.add(Collection(top_exterior), facecolor=(0, 1, 0))
-viewer.add(Collection(top_interior))
+bottom_ext.transform(T)
+bottom_int.transform(T)
 
-# viewer.add(shell)
+viewer.scene.add(bottom_ext, facecolor=Color.red(), show_points=False)
+viewer.scene.add(bottom_int, show_points=False)
+viewer.scene.add(top_ext, facecolor=Color.green(), show_points=False)
+viewer.scene.add(top_int, show_points=False)
 
-viewer.run()
+viewer.show()