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Visualize meshes, point clouds, and other geometry in a Jupyter Notebook

Project description

threevis

A Python library for visualizing meshes, point clouds, and other geometry in Jupyter notebooks

Installation

pip install threevis

Examples

Quick Mesh Inspection

import threevis
import openmesh as om

m = om.read_trimesh('examples/models/bunny.obj')

threevis.display_openmesh(m)

Custom Rendering

import threevis
import openmesh as om
import numpy as np

# Load Mesh
m = om.read_trimesh('mouse.obj')

# Create Context
ctx = threevis.Context(width=640, height=480)

# Get vertices and faces from the mesh
vertices = m.points()
faces = m.face_vertex_indices()

# We don't have normals, calculate them
normals = threevis.calculateFaceNormals(m.points(), m.face_vertex_indices())

# Choose a random color for each face
colors = threevis.FaceAttribute(np.random.rand(len(faces), 3))

# Draw the mesh with flat shading
ctx.draw_faces(vertices, faces, 
               normals = normals,
               colors = colors,
               shading = 'flat')

# Draw edges on top with random colors
ctx.draw_edges(vertices, m.ev_indices(), 
               colors = threevis.FaceAttribute(np.random.rand(len(m.ev_indices()), 3)),
               linewidth=3)

# Calculate data to display normals as edges
normal_vis_verts, normal_vis_edges = threevis.calculateNormalEdges(vertices, faces, normals, length=0.05)

# Draw the normals in
ctx.draw_edges(normal_vis_verts, normal_vis_edges, colors = colors)

# Draw a point for each vertex
ctx.draw_vertices(vertices, point_size=4, colors='red')

# Finally display it
ctx.display()

Development Setup

  • Install dependencies
  • Clone the repository
  • pip install -e .

Dependencies

Optional

Project details


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