Created
October 21, 2023 19:32
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Stackoverflow https://stackoverflow.com/questions/77327482
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import math | |
import numpy as np | |
import open3d as o3d | |
import pandas as pd | |
origin = o3d.geometry.TriangleMesh.create_coordinate_frame(size=20, origin=[0, 0, 0]) | |
# mesh = o3d.io.read_triangle_mesh("test.obj") | |
csv_list = pd.read_csv("test.csv", header=0) | |
cameras = [] | |
for (row, camera_data) in csv_list.iterrows(): | |
x, y, alt, heading, pitch, roll = (camera_data['x'], camera_data['y'], camera_data['alt'], | |
camera_data['heading'], camera_data['pitch'], camera_data['roll']) | |
# Either use extrinsic = E= [R t] as per x, y, alt, heading, | |
# pitch, roll or just create camera with identity matrix and do rotation and translation later. | |
camera = o3d.geometry.LineSet.create_camera_visualization( | |
intrinsic=o3d.camera.PinholeCameraIntrinsic( | |
o3d.camera.PinholeCameraIntrinsicParameters.PrimeSenseDefault | |
), | |
extrinsic=np.eye(4), | |
scale=1 | |
) | |
# https://en.wikipedia.org/wiki/Rotation_matrix#General_3D_rotations | |
rotation = o3d.geometry.get_rotation_matrix_from_zxy( | |
[math.radians(heading), math.radians(pitch), math.radians(roll)] | |
) | |
camera = camera.rotate(rotation) | |
camera.translate([x, y, alt]) | |
cameras.append(camera) | |
geometries = [origin] + cameras | |
o3d.visualization.draw_geometries(geometries) |
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