Which line is the first line that has an intersection with another line? or what is the order of the intersectection points?
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Hello,
I have a problem in my code and I have simplified it as below:
x=[12;25;7];
y=[6;31;15];
xd=[5;40;NaN;2;11];
yd=[13;16;NaN;8;9];
I have the above points I want to calculate the intersection, between line 1 and line 2,3. I used polyxpoly.
Here is my question, how can I undesrtand which line is the first iinterseted line while moving from point (x,y)1 to (x,y)2. Is it line 2 or line 3?
Thanks a lot
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Accepted Answer
darova
on 4 Oct 2019
Use third output argument of polyxpoly
[xc,yc,ix] = polyxpoly(x,y,xd,yd)
% ix(:,1) - number of intersected segment in [x,y] data
% ix(:,2) - number of intersected segment in [xd,yd] data
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