Community Profile

# Nicolas Douillet

### PhD, INRIA and CNRS alumni

Last seen: 2 días hace Con actividad desde 2017

Interested in computational geometry, image processing, 3D reconstruction, mesh processing, mesh generation, arithmetics.

Programming Languages:
MATLAB
Spoken Languages:
English, French

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Freeman chain code
Freeman chain code algorithm to extract boundaries of objects in a binary image. Help, doc, examples included. + Some bwmorph op...

3 días hace | 15 descargas |

Regular polyhedron inscribed sphere
Function to compute and display the inscribed sphere of a regular polyhedron.

8 días hace | 4 descargas |

Respondida
Rendering problem with surf and trisurf
Any clue ? Thank you.

28 días hace | 0

Pregunta

Rendering problem with surf and trisurf
Hey, When I use surf or trisurf functions to plot a 3D plane made of several ploygons (triangles or squares for instance), I ...

29 días hace | 1 respuesta | 0

### 1

respuesta

Regular polygon incircle
Function to compute and display the incircle of a regular polygon in 2D or 3D space.

alrededor de 2 meses hace | 2 descargas |

Any 3D rotation
Performs 3D rotation of a single 2D or 3D vector -or vectors array- around any given 3D axis.

alrededor de 2 meses hace | 5 descargas |

isinside2Dset
Function to check if a vertex is located inside or outside a given 2D set.

4 meses hace | 1 descarga |

Jerusalem cube
Function to compute, display, and save the Jerusalem cube at any iteration. Help, doc, and examples included.

5 meses hace | 1 descarga |

Sierpinski ball
Function to compute, display, and save the Sierpinski ball (fractal sponge) based on the regular octahedron

5 meses hace | 1 descarga |

Resuelto

generate number in particular way
A = [1 5 2 7]; MAX = 10; generate a array Y = [1 2 2 2 2 2 3 3 4 4]; i.e. total eleme...

5 meses hace

Resuelto

Find the sum of the elements in the "second" diagonal
Find the sum of the elements in the diagonal that starts at the top-right corner and ends at the bottom-left corner.

5 meses hace

The MATrix LAB has you
Need to unplug ? -> Follow Trinity, deep into the rabbit hole ;-)

5 meses hace | 2 descargas |

chat with HAL9000 !
chat with HAL9000 and try to survive it ! ^_^

5 meses hace | 1 descarga |

3D printable Christmas star
Function to compute, display and save a 3D printable Christmas star.

5 meses hace | 7 descargas |

3D printable Koch snowflake
Function to compute, display, and save the triangular base 3D Koch snowflake at any iteration. Help, doc, examples included.

5 meses hace | 1 descarga |

Cube base 3D Koch snowflake
Function to compute, display, and save the cube base Koch snowflake, at any iteration. 3D printable ready option. Help, doc, exa...

5 meses hace | 1 descarga |

Resuelto

Build edges list
Input T is a triangulation connectivity indices list (triplet list of indices -positive integers-, each index refering to a vert...

6 meses hace

Resuelto

List every vertices neighbor indices
Input T is a <https://fr.mathworks.com/help/matlab/ref/triangulation.html triangulation>. The purpose of this function is to ...

6 meses hace

Resuelto

Find a common edge
First input is T, a triplet list of indices. Second input is e = [e1 e2], a row vector, couple of indices (positive distinct int...

6 meses hace

Resuelto

Remove duplicated triangles
Input T is a triangulation (triplet list of indices -positive integers-, each index refering to a vertex number in a correspondi...

6 meses hace

Resuelto

Find neighbor triangle indices
First input T is a triangulation (triplet list of indices -positive integers-, each index refering to a vertex number in a corre...

6 meses hace

Resuelto

Find edges from a vertex
First input is T, a triplet list of indices. Second input is i, a single index (positive integer). The goal of this function is ...

6 meses hace

Respondida
Comment générer un vecteur content N valeur binaire dont 10% de ces valeurs sont égales à 1
Salut, Alors déjà si tu veux exactement 10% ça va bien sûr dépendre de la taille de ton vecteur (si celui-ci possède moins de 1...

6 meses hace | 0

Respondida
plotting spectrogram for 3d matrix
As Marco said, spectrogram takes a vector as input, not matrix. However depending on how your signals are stored in your data ma...

6 meses hace | 0

Resuelto

Determine the radius of a sphere provided four non-coplanar points on the surface of the sphere. pts = [x1 y1 z1; x...

6 meses hace

Respondida
Are there marker types sensitive to light ?
No answer, so I guess the answer is no (?) Edit : solved, cause actually pretty much the same question as this one.

6 meses hace | 0

Tetrahedron insphere
Function to compute and display the insphere of any given tetrahedron. Help, doc, examples included.

6 meses hace | 2 descargas |

Tetrahedron circumsphere
Function to compute the centre and the radius of the circumsphere to a given tetrahedron. Help, doc, examples included.

6 meses hace | 1 descarga |

Resuelto

Back to basics 23 - Triangular matrix
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, return a matrix with all elements above a...

6 meses hace

Resuelto

Back to basics 21 - Matrix replicating
Covering some basic topics I haven't seen elsewhere on Cody. Given an input matrix, generate an output matrix that consists o...

6 meses hace