line-intersection

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HTML5 Canvas - lines self-intersection with alpha-channel

Please look at the picture (sorry, new users can\'t insert an image directly into post). Lines ar开发者_开发技巧e drawn semi-transparent colors (alpha = 0.5).[详细]

2023-04-08 07:42 分类：问答
Recursive Ray Traversal Algorithm - Traverse k-d Tree

I have chosen a stack based traversal algorithm (Recursive Ray Traversal Algorithm), and I am having a little trouble understanding it.[详细]

2023-03-16 15:49 分类：问答
Is there any way to draw lines on screen by swiping and check whether they are crossing each other

We have a situation in which user will be drawing many lines on the screen and we 开发者_如何学编程need to find out the crossing lines and get intersection point.[详细]

2023-03-12 04:30 分类：问答
Simple line-plane intersection on a fixed z-axis?

What is, and is there, a fast way to check where in the plane my line will intersect, if i know the plane is always in the same z-axis (so it cannot be rotated), and its width/height is infinite? Also[详细]

2023-03-08 08:28 分类：问答
How do I determine if a series of points (or polygon) is within a rectangular region?

I have been looking at posts about determining if a point lies within a polygon or not and the answers are either too vague, abstract, or complex for me.So I am going to try to ask my question specifi[详细]

2023-03-07 00:46 分类：问答
Line - Circle intersection test in 3d world?

i have a 3d world where i have several 2d circles laying on the开发者_运维百科 ground facing to the sky.[详细]

2023-03-06 20:38 分类：问答
Line/Plane intersection based on points

I h开发者_开发知识库ave two points in space, L1 and L2 that defines two points on a line. I have three points in space, P1, P2 and P3 that 3 points on a plane.[详细]

2023-02-09 21:58 分类：问答
Determining Cross Over of Numbers

Lets say I have this data set... var a = [5,6,7]; var b = [9,8,6]; Imagine that those values were plotted the y in a (x,y) coordinate pair, and the x was开发者_StackOverflow中文版 the array index, h[详细]

2023-02-01 12:09 分类：问答
Numpy and line intersections

How would I use numpy to calculate the intersection开发者_如何学JAVA between two line segments?[详细]

2023-01-07 01:00 分类：问答
Line intersection code in pascal

I\'m trying to write line intersection code to detect if two lines intersect. the form i have stuff in is there are O objects that can have Lo(l subscript O) lines, each line has 2 points and each poi[详细]

2023-01-05 08:05 分类：问答