I was wondering if ther开发者_如何学JAVAe is any way to check the validity of an object of PathGeometry.
I want to implement this in Mathematica: 开发者_JAVA百科I realize I can use ParametricPlot to get the lines, and then use the Mesh option to fill in the colors. Can anyone tell me what a general form
I\'m trying my hand a开发者_JAVA百科t generating spherical terrain in XNA 4.0, and am using an Icosahedron to achieve a sphere with evenly-distributed vertices.I\'m fairly new to Xna, and I\'m running
Is there better way to calculate circle from radius and num of vertices? My solution compute sin and cos for every vertex. Is it necessary?
I would like to generate random points on a 2D surface, distributed around a x0, y0 coordinate. I understand that what I need to generate is called \"standard multivariate normal random vector\", bu
I\'m trying to draw a white quad on Android with OpenGL-ES and the colors are fading. See picture: http://img88.imageshack.us/img88/2787/tempew.png
I\'m on a test project to learn about geolocation tools. But being a neophyte, a few concepts in PostGIS escape me.
I just recently started learning about genetic algorithms and am now trying to implement them in 2D shape optimization in physics simulaiton. The simulation produces a single scalar for each shape. (I
I\'m looking for an algorithm that takes two rectangles defined by (xa1,ya1,xa2,ya2) and (xb1,yb1,xb2,yb2), checks if they can be combined into a single rectangle and if they can, returns the new rect
This is basic graphics geometry and/or trig, and I feel dumb for asking it, but I开发者_运维百科 can\'t remember how this goes. So:
加载中,请稍侯......