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7
votes
2answers
251 views

How to create an inverse pole figure color map

To interpret electron backscatter diffraction (EBSD) results, inverse pole figures are used. A three dimensional space of directions ([100], [110] and [111] for those who know about crystallography) ...
1
vote
1answer
86 views

Winkel Tripel and Robinson Projections?

How can I do WorldPlot with the WorldProjection -> Winkel Tripel or Robinson projections. Mathematica has Mollweide and several others defined, but not these popular projections adapted by National ...
2
votes
1answer
146 views

project from a n-dimensional space to 2-dim

let's say that I have a sphere in $N$-dimensions $$x_1^2+x_2^2+...+x_N^2=R$$ If I want to know the projection on the $x_1-x_2$ plane in this case I can figure out myself that is a circle, but how ...
1
vote
1answer
140 views

Projection of Density Plot [closed]

Say I have a density plot such as DensityPlot[Sin[x]*Sin[y],{x,-2,2},{y,-2,2}] Is there a way to see a projection of this plot. For example is there a way to see ...
0
votes
0answers
39 views

How to get shadow of a 3d object [duplicate]

Suppose that we have a box or a sphere or an other 3D object and a ponctual light source. How we can generate the cast shadow using mathematic? Is there any tools to render a shadow given the light ...
0
votes
2answers
173 views

Projecting curves of intersection onto a plane

Referring to this page, Plotting implicitly-defined space curves How can I project the curves of intersection onto the x-y plane?
5
votes
1answer
456 views

How to map an image to get an illusion of 3D

I would like to distort or map a given jpg so it looks 3D as in the following youtube video: http://www.youtube.com/watch?v=IfCCUd8mFtg. I usually use conformal mapping (a complex function) to do my ...
5
votes
3answers
228 views
0
votes
1answer
313 views

Projecting on an arbitrary plane

I have the following code, giving me a representation of a photon hitting a cylinder: ...
16
votes
1answer
607 views

Peirce's quincuncial projection

The Peirce quincuncial projection is the cartographic projection of a sphere onto a square. In short, I would like to see it implemented in Mathematica. Here is my code: ...
1
vote
1answer
244 views

Plot a graph in a plane

I have a 3D graphics and i must plot a trajectory on a costant plane but i don't understand how to do this. With a simple Show[] command i can't do this. This is the code to plot the graphics: ...
1
vote
0answers
190 views

Automatic inverse for Lambert’s Azimuthal Equal-Area Projection

I’m interested in finding closed-form inverses for map projection equations in general (of course, this is not always possible). I’m hoping Mathematica can help me with some of the trickier ones. As ...
27
votes
2answers
1k views

Mollweide maps in Mathematica

Context In my field of research, many people use the following package: healpix (for Hierarchical Equal Area isoLatitude Pixelization) which has been ported to a few different languages (F90, C,C++, ...