isosurfaces

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• Isosurface — An isosurface is a three dimensional analog of an isocontour. It is a surface that represents points of a constant value (e.g. pressure, temperature, velocity, density) within a volume of space; in other words, it is a level set of a continuous… …   Wikipedia

• Isosurface — Application du marching cubes pour représenter l isosurface formée par les différents matériaux composants le crâne et la matière cérébrale On peut considérer une isosurface comme l analogue en 3D d une courbe de niveau. C est en fait le lieu des …   Wikipédia en Français

• Molecular graphics — (MG) is the discipline and philosophy of studying molecules and their properties through graphical representation.[1] IUPAC limits the definition to representations on a graphical display device .[2] Ever since Dalton s atoms and Kekulé s benzene …   Wikipedia

• Oblate spheroidal coordinates — Figure 1: Coordinate isosurfaces for a point P (shown as a black sphere) in oblate spheroidal coordinates (μ, ν, φ). The z axis is vertical, and the foci are at ±2. The red oblate spheroid (flattened sphere) corresponds to μ=1, whereas the blue… …   Wikipedia

• UCSF Chimera — Chimera main window (FSH and receptor, 1xwd) and sequence window (alignment of FSH receptors from different species). Developer(s) Resource for Biocomputing, Visualization, and Informatics (RBVI), UCSF Stable release …   Wikipedia

• Transmission electron microscopy — A TEM image of the polio virus. The polio virus is 30 nm in size.[1] Transmission electron microscopy (TEM) is a microscopy technique whereby a beam of electrons is transmitted through an ultra thin specimen, interacting with the specimen as it… …   Wikipedia

• Particle system — The term particle system refers to a computer graphics technique to simulate certain fuzzy phenomena, which are otherwise very hard to reproduce with conventional rendering techniques. Examples of such phenomena which are commonly replicated… …   Wikipedia

• Metaballs — 1: The influence of 2 positive metaballs on each other. 2: The influence of a negative metaball on a positive metaball by creating an indentation in the positive metaball s surface. Metaballs are, in computer graphics, organic looking n… …   Wikipedia

• Bipolar coordinates — are a two dimensional orthogonal coordinate system. There are two commonly defined types of bipolar coordinates. [http://bbs.sachina.pku.edu.cn/Stat/Math World/math/b/b233.htm Eric W. Weisstein, Concise Encyclopedia of Mathematics CD ROM, Bipolar …   Wikipedia

• Marching cubes — Head and cerebral structures (hidden) extracted from 150 MRI slices using marching cubes (about 150,000 triangles) Marching cubes is a computer graphics algorithm, published in the 1987 SIGGRAPH proceedings by Lorensen and Cline,[1] …   Wikipedia

• NCAR Command Language — The NCAR Command Language (NCL) is a free interpreted language designed by the National Center for Atmospheric Research for scientific visualization and data processing. NCL has robust file input and output. It can read in netCDF, HDF4, HDF4 EOS …   Wikipedia