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I have a Graphics3D object. I want to export it as a bitmap, and to calculate the bitmap-pixel coordinates of certain 3D points. Mathematica obviously does a projection from 3D objects to 2D pixel

To keep the overall displayed image the same, then if I am displaying one plot I use one size, and if I am displaying 2 plots, I use half the length for each plot. Easy enough so far. The strange thing is that when I use the mouse to rotate the one plot case, and then switch back to 2 plots, the plot size now does not use the ImageSize I specified.

The electric field a distance r away from a point charge Q is given by: Electric field from a point charge : E = k Q / r 2. The electric field from a positive charge points away from the charge; the electric field from a negative charge points toward the charge. Like the electric force, the electric field E is a vector.

A sytem of numbers used to locate a point or object in a drawing. In the Cartesian coordinate system 2 numbers x and y are used to describe the location of a point in the horizontal and vertical dimensions respectively. 3D CAD programs add the z coordinate which describes distance in the third dimension.

Length of 3D Vectors. Three dimensional vectors have length. The formula is about the same as for two dimensional vectors. The length of a vector represented by a three-component matrix is:

Babylon.js is one of the world's leading WebGL-based graphics engines. From a new visual scene inspector, best-in-class physically-based rendering, countless performance optimizations, and much more, Babylon.js brings powerful, beautiful, simple, and open 3D to everyone on the web.