# Finds convex polygon defined by random 2D points (Scripts) 1.0

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• Last update: 5 years ago
• Operating system: Linux, Mac OS X, Win All, BSD, Solaris
• Publisher: christian delusier
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## Finds convex polygon defined by random 2D points (Scripts) Publisher's description

### The function "Return_points_polyg_direct" finds the subset of an arbitrarily large set of 2D points

The function "Return_points_polyg_direct" finds the subset of an arbitrarily large set of 2D points. This subset defines the convex polygon that includes all above points. The function accounts for aligned or identical points.
Below is an example of how to use the function with 100 random 2D points.
The initial points are in blue, the convex polygon points are linked in red.

******************
clear;
nouv_list_points3D=[];
Npoints=100;

%construction d'un ensemble de N points alГ©atoires

list_points_3D=rand(2,Npoints);

ligneZ=zeros(1,Npoints);

list_points_3D=cat(1,list_points_3D,ligneZ);

plot(list_points_3D(1,:),list_points_3D(2,:));

nouv_list_points3D = Return_points_polyg_direct(list_points_3D);

line(nouv_list_points3D(1,:),nouv_list_points3D(2,:),'LineWidth',1,'Color','red','Marker','s','MarkerSize',4);

#### System Requirements:

MATLAB 6.0 (R12)
Program Release Status: New Release
Program Install Support: Install and Uninstall

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