I two concentric circles on the screen and I want the circle on the inside to move around while the user drags their finger around the outside of the larger circle. This means that I have two point, c
Is there an automatic way to get all the points of an ellipse stroke, without the fil开发者_JAVA技巧ling points?In WPF there are no actual \"Points\" in a geometry - it is infinitely smooth.This can b
If I got a polynomial curve, and I want to find all monotonic curve segments and corresponding intervals by programming.
I 开发者_JAVA百科wanted to create TINs from 3D points (about 7 million in every file) using qhull.
I recently came across a problem where I had four circles (midpoints and radius) and had to calculate the area of the union of these circles.
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We have a point (x,y) and a set of some other points (xi,yi). How can we de开发者_如何转开发termine which of (xi,yi) are within a circle with center (x,y) and radius r (a given number)?(xi-x)**2 + (yi
I need to find the corners in lat/lng of a ground overlay given in a kml开发者_StackOverflow中文版-file either in php or javascript.
Let\'s say I have two points in 3D space (a and b) and a fixed axis/unit vector called n. I want to create a rotation matrix that minimizes the euclidan distance between point a (unrotated) and the r
This question already has answers here: Closed 9 years ago. Possible Duplicate: Greatest linear dimension 2d set of points
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