from compas_rhino.artists import MeshArtist from compas.datastructures import Mesh # Define a Frame, which is not in the origin and a bit tilted to the world frame frame = Frame([4, 4, 4], [.5, 1, 2], [0, 1, 2]) # Create a Box with that frame width, length, height = 1, 1, 1 box = Box(frame, width, length, height) # Create a Projection (can be orthogonal, parallel or perspective) point = [0, 0, 0] normal = [0, 0, 1] plane = Plane(point, normal) direction = [1, 1, 1] P = Projection.from_plane_and_direction(plane, direction) # Create a Mesh from the Box mesh = Mesh.from_shape(box) # Apply the Projection onto the mesh mesh_projected = mesh.transformed(P) # Create artists artist1 = BoxArtist(box) artist2 = MeshArtist(mesh_projected) # Draw artist1.draw() artist2.draw_edges(color="#00ff00")
# Box in the world coordinate system frame = Frame([1, 0, 0], [-0.45, 0.1, 0.3], [1, 0, 0]) width, length, height = 1, 1, 1 box = Box(frame, width, length, height) # Frame F representing a coordinate system F = Frame([2, 2, 2], [0.978, 0.010, -0.210], [0.090, 0.882, 0.463]) # Get transformation between frames and apply transformation on box. T = Transformation.from_frame_to_frame(Frame.worldXY(), F) box_transformed = box.transformed(T) # make Mesh from box mesh_transformed = Mesh.from_shape(box_transformed) # create Projection P = Projection.from_plane_and_direction(Plane((0, 0, 0), (0, 0, 1)), (3, 5, 5)) P = Projection.from_plane(Plane((0, 0, 0), (0, 0, 1))) P = Projection.from_plane_and_point(Plane((0, 0, 0), (0, 0, 1)), (3, 5, 5)) # apply transformation on mesh mesh_projected = mesh_transformed.transformed(P) # create artists artist1 = BoxArtist(box_transformed) artist2 = MeshArtist(mesh_projected) # draw artist1.draw() artist2.draw()
def test_projection_parallel():
point = [0, 0, 0]
normal = [0, 0, 1]
direction = [1, 1, 1]
P = Projection.from_plane_and_direction((point, normal), direction)
assert P.matrix == [[1.0, 0.0, -1.0, 0.0], [0.0, 1.0, -1.0, 0.0], [0.0, 0.0, 0.0, 0.0], [0.0, 0.0, 0.0, 1.0]]
from compas.datastructures import Mesh
# Define a Frame, which is not in the origin and a bit tilted to the world frame
frame = Frame(Point(1, 1, 3), Vector(1, 0, 1), Vector(0, 1, 1))
# Create a Box with that frame
box = Box(frame, 2, 3, 6)
# create a plane for the projection
planexy = Plane.worldXY()
# Create a Projection (can be orthogonal, parallel or perspective)
P3 = Projection.from_plane(
planexy) # orthogonal Projection to project onto a plane
P4 = Projection.from_plane_and_direction(planexy, direction=Vector(
-2, 2, 1)) # parallel projection
P5 = Projection.from_plane_and_point(planexy,
Point(3, -3,
-1)) # perspective Projection
# Create a Mesh from the Box
mesh = Mesh.from_shape(box)
# Apply the Projection onto the mesh
mesh_projected3 = mesh.transformed(P3)
mesh_projected4 = mesh.transformed(P4)
mesh_projected5 = mesh.transformed(P5)
# Create artists
artist1 = BoxArtist(box)
artist2 = FrameArtist(frame)
frame = Frame((
1,
0,
0,
), (1, 0, 0), (0, 1, 0))
# Create a Box with that frame
box = Box(frame, 0.3, 0.3, 0.3)
# Create a Projection (can be orthogonal, parallel or perspective)
point = [0, 0, 0]
normal = [0, 0, 1]
XYplane = Plane(point, normal)
direction = [1, 1, 1]
P = Projection.from_plane_and_direction(XYplane, normal)
# Create a Mesh from the Box
mesh = Mesh.from_shape(box)
# Apply the Projection onto the mesh
mesh_projected = mesh.projected(P)
# Create artists
artist1 = BoxArtist(box)
artist2 = MeshArtist(mesh_projected)
# Draw
artist1.draw()
artist2.draw_edges(color="#00ff00")