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Results tagged with polygon
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user 4537
On a map, a closed shape defined by a connected sequence of x,y coordinate pairs, where the first and last coordinate pair are the same and all other pairs are unique.
9
votes
3
answers
3k
views
inner convex-hulls in a set of 2D points
A set of 2D Points are scattered randomly (i.e., no specified pattern), we are interested in finding all inner-convex-hulls (ICH) in an order of largest in area to a minimum until the entire study are …
- 3,407
30
votes
4
answers
29k
views
How to find the maximum-area-rectangle inside a convex polygon?
In this post we are looking for algorithms / ideas on how to find the maximum-area-rectangle inside a convex polygon.
In the following figure, numbers are the areas of the fitted rectangles. … Nevertheless, we guess the maximum-area-rectangle
may be one of those that has one edge aligned on (not necessarily the
same length edge, of course) an edge of the polygon. …
- 3,407
18
votes
Rotating the polygon about anchor point using Python script
You may use the following function:
def Rotate2D(pts,cnt,ang=pi/4):
'''pts = {} Rotates points(nx2) about center cnt(2) by angle ang(1) in radian'''
return dot(pts-cnt,ar([[cos(ang),sin(ang …
- 3,407