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Darren Engwirda


Columbia University / NASA

12 total contributions since 2006

Associate research scientist at CU / NASA-GISS working on unstructured meshing algorithms and unstructured finite-volume/difference methods for ocean modelling.

https://dengwirda.github.io/

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Contributions in
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Submitted


MESH2D: Delaunay-based unstructured mesh-generation
Generate unstructured meshes for general two-dimensional geometries.

6 months ago | 65 downloads |

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JIGSAW(GEO): Mesh-generation for computational geoscience
Generate unstructured orthogonal meshes for problems in computational geoscience.

6 months ago | 10 downloads |

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Submitted


INPOLY: A fast points-in-polygon test
A fast test to determine point inclusion for general polygonal geometries.

7 months ago | 48 downloads |

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FINDTRIA - Point-in-Simplex queries in d-dimensions.
Spatial queries for collections of triangles, tetrahedrons and general d-simplexes.

1 year ago | 5 downloads |

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AABBTREE - A d-dimensional bounding-box tree.
A d-dimensional bounding-box tree for collections of objects.

1 year ago | 4 downloads |

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JIGSAW: An unstructured mesh generator
JIGSAW is a Delaunay-based unstructured mesh generator for two- and three-dimensional geometries.

1 year ago | 13 downloads |

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Question


Redirecting stdout via system(…,'-echo')
I often call computationally intensive command-line programs from within MATLAB using the system command: [status, result] ...

2 years ago | 1 answer | 0

1

answer

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DUALMESH - Polygonal mesh construction.
Construct polygonal "dual" meshes from 2-simplex triangulations embedded in R^3.

4 years ago | 13 downloads |

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tinterp - an alternative to griddata
Linear and quadratic interpolation for scattered data

10 years ago | 5 downloads |

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Contours for triangular grids
Generate smooth contours for functions defined on unstructured triangular grids

13 years ago | 12 downloads |

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