hra-glb-mesh-collisions 0.1.0

A command-line interface to extract mesh-mesh collision information from GLB files

hra_glb_mesh_collisions

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Table of Contents

• Installation
• License

Installation

pip install hra-glb-mesh-collisions

License

hra-glb-mesh-collisions is distributed under the terms of the MIT license.

Dependencies

System packages:

You may need to install libfcl liboctomap if the program does not work right away using this command (on Ubuntu):

$ sudo apt install liboctomap-dev libfcl-dev

For Python library:

1. pygltflib
2. trimesh

Install python dependencies with:

pip install -r requirements.txt

Usage

Example usage:

python3 mesh-mesh-collisions.py ./examples/VH_F_Kidney_Left.glb collision_result.csv

For help documentation:

$ python3 mesh-mesh-collisions.py --help

usage: mesh-mesh-collisions.py [-h] [--include-distances] [-v] input_glb output_csv

positional arguments:
  input_glb            path to input glb file
  output_csv           path to output collisions csv file

options:
  -h, --help           show this help message and exit
  --include-distances  include distances even if they dont' colide
  -v, --verbose

Sample result ouptut csv:

Notes about the distance colum:

• distance is in meters
• -1 = intersection
• distance measured between two closest points

source,target,distance
VHF_hilum_of_kidney_L,VHF_kidney_capsule_L,-1
VHF_hilum_of_kidney_L,VHF_major_calyx_L_a,-1
VHF_hilum_of_kidney_L,VHF_major_calyx_L_b,0.0014157565638410548
VHF_hilum_of_kidney_L,VHF_major_calyx_L_c,-1
VHF_hilum_of_kidney_L,VHF_major_calyx_L_d,-1
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_a,0.011878771067593177
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_b,0.014892350577084101
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_c,0.01049842653752553
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_d,0.013852964218697942
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_e,-1
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_f,0.0003293750826728972
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_g,0.0013917394770369632
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_h,0.002076302121193277
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_i,0.0001650410537290576
VHF_hilum_of_kidney_L,VHF_minor_calyx_L_j,0.0026597163618629024