Showing posts with label visualization. Show all posts
Showing posts with label visualization. Show all posts
Tuesday, November 25, 2014
Graphics: Marching Squares - OOP Script
In this improved version of the Marching Squares algorithm - see description [Link] - I use an Object-Oriented Programming (OOP) approach...
Friday, November 14, 2014
Graphics: Marching Cubes - Results
From the script marchingCubes.js of the previous post [Link], here are some examples of isosurfaces rendered with Blender...
Labels:
3D,
Blender,
ImageJ,
javascript,
visualization
Graphics: Marching Cubes - Implementation
Labels:
3D,
Blender,
ImageJ,
javascript,
visualization
Wednesday, November 12, 2014
Graphics: Marching Squares - No doubles
The previous implementation of the marching squares [Link] generates a lot of vertices because each segment line is defined by its own starting and ending points however all these line segments are interconnected - forming a polyline - and this is not taken into account in the implementation. Here is a new version to reduce the number of vertices.
Tuesday, November 4, 2014
Graphics: Marching Squares
After describing the principle of the Marching Squares algorithm in a previous post [Link], it is time to implement it...
Graphics: Marching Squares - Javascript implementation
Last post of this series dedicated to Contoured Lines with the whole Javascript implementation of the Marching Squares algorithm described here [Link] and there [Link]...
Graphics: Marching Squares - Rendering with Blender
In the previous post, we wrote a Javascript program to compute the contour lines of an object of interest and save the results - a set of (X,Y) coordinates - in a Wavefront OBJ file.
The last step is to render this geometry in Blender [Link] - a very powerful and popular 3D software...
Monday, November 18, 2013
Graphics: Isocontoured Lines
In this series dedicated to 3D rendering, this is a preliminary post describing how to extract vectorial isocontoured lines from an image. One of the most popular algorithm is the Marching Squares algorithm.
The next step will be the computation of isosurfaces...
Friday, November 15, 2013
3D Computer Graphics: TOC
Table of Contents : Visualization of 3D Data
This series of posts is dedicated to the various techniques and algorithms used to visualize 2D and 3D data...
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