geometry

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Sorting points such that the minimal Euclidean distance between consecutive points would be maximized

Given a set of points in a 3D Cartesian space, I am looking for an algorithm that will sort these points, such that the minimal Euclidean distance between two consecutive points would be maximized.[详细]

2023-04-12 20:41 分类：问答
Extend a line segment a specific distance

I am trying to find a way to extend a line segment by a specific distance.For example if I have a line segment starting at 10,10 extending to 20,13 and I want to extend the length by by 3 how do I com[详细]

2023-04-12 17:40 分类：问答
JavaScript: Create new arrays dynamically

Working Code: http://jsfiddle.net/sXbRK/ I have various line segments and each has its own ID. I know which ones cross each other.[详细]

2023-04-12 16:37 分类：问答
SQL: Find filled area [duplicate]

This question already has answers here: Finding filled rectangles given x, y coordinates using SQL (2 answers)[详细]

2023-04-12 16:04 分类：问答
Color detection on HoughCircles using OpenCV

I have detected 22balls and am struggling to find a way to run a color detection algorithm on these circles to get their colors. I am using HoughCircles to detect the circles but don\'t know how to ch[详细]

2023-04-12 11:00 分类：问答
PHP calculate lat/lng of the square around a given point on the surface?

Given latitude/longitude of a point of earth surface (and a distance, say in kilometers) i need to compute the top-left, top-right, bottom-right and bottom-left coordinates. No matter the orientation[详细]

2023-04-12 09:07 分类：问答
How does F# map2 iter2 ||> work with Vector?

Input two arrays of Vector x,y pair by x,y pair and find the function of the two x,y pairs output new array ...?[详细]

2023-04-12 01:29 分类：问答
Convex Decomposition of a Complex Polygon?

With both my 2D physics system (box2D) and OpenGL, conplex polygons need to be decomposed into convex polygon开发者_开发百科s.Ensuring models conform to this is easy.However, I would also like to edit[详细]

2023-04-12 01:17 分类：问答
Not detecting multiple circles in Image

My code is straightforward.i am trying to detect 22 balls but ionly getting a few. I think i开发者_如何学Pythont has something to do with the CvSeq* circles = cvHoughCirclesCan anyone help me please[详细]

2023-04-11 20:33 分类：问答
how to draw a circle in a diagonal line in java?

I have a diagonal line starting from the left bottom part of the screen going to the upper right part of the screen. Now I want to draw a circle to the line h开发者_JAVA技巧aving 100 meters in distanc[详细]

2023-04-11 18:42 分类：问答