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multikeymap

Similar to std::map but indexable by two keys. Header-only.

nanoflann

nanoflann: a C++11 header-only library for Nearest Neighbor (NN) search wih KD-trees

netgen

occreader

A ParaView Plugin for visualizing CAD file in STEP, BREP, IGES format

octreebsplines

Implicit Hierarchical B-Splines Surface Reconstruction based on Octree Distance Field

ofxintersection

Helper or Intersections between lines and planes

ofxkdtree

KDTree implementation for fast nearest-neighbor search on variable-sized points, based on nanoflann

openaerostruct

OpenAeroStruct is a lightweight tool that performs aerostructural optimization using OpenMDAO.

openmdao

OpenMDAO is a high-performance computing platform for systems analysis and optimization that enables you to decompose your models, making them easier to build and maintain, while still solving them in a tightly-coupled manner with efficient parallel numerical methods.

opennurbs

Provides CAD, CAM, CAE, and computer graphics software developers the tools to accurately transfer 3-D geometry between applications. Mirror of Rhino C++ openNURBS SDK

openvsp

A parametric aircraft geometry tool

paramesh

Generate a triangle mesh from a parametric equation.

poissonmesh

Simple implementation of Poisson Mesh Editing

poissonrecon

Poisson Surface Reconstruction

pybind11

Seamless operability between C++11 and Python

pycalculix

Python 3 library to automate and build finite element analysis (FEA) models in Calculix. Meshing uses Calculix or GMSH.

pythonjs

PythonJS development has moved to Rusthon

pythonqt

CMake-ified version of PythonQt

qem-and-shortest-distance

使用了hezhao的qem代码，自己又写了一个基于最短边的简化算法

qscintilla

Mashing around with QScintilla 2.9

qt-solutions

qtofficeopenxml

For Qt5.2 or newer, ...

robust_hex_dominant_meshing

Quadrilateral-dominant and Hexahedral-dominant meshes generator

rttr

C++ Reflection Library

sdfgen

A simple commandline utility to generate grid-based signed distance field (level set) generator from triangle meshes, using code from Robert Bridson's website.

seamawaredecimater

Mesh simplification with UV's boundary preserved

solvespace

Parametric 2d/3d CAD

stepcode

STEPcode (formerly NIST's STEP Class Library) is used with IFC, STEP, and other standards that utilize the technologies of ISO10303 (STEP). It generates C++ and Python from EXPRESS (10303-11) schemas. The code is capable of reading and writing STEP Part 21 exchange files. It also utilizes Parts 22 and 23 (SDAI and its C++ binding).

stlfacefinder

small program which attempts to split .STL files into separate "solids" by identifying triangles which share common faces.

tet-plane-intersection

Calculates intersections between tetrahedra and planes.