How to create points set on 2D polyline

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abuzer
abuzer on 12 Apr 2016
Answered: abuzer on 13 Apr 2016
Dear All,
I would like to write a code which creates point feature or matrix on the line with specific sampling interval.
For example as seen below code I have 7 point coordinates (x,y),
Now the problem is I would like to increase these point set with giving sampling interval of point 0.1.
Then create new points set.
data= [0 0;
1 1;
2 2;
3 2;
4 1;
5 1.25;
6 3.25];
figure
plot(data(:,1),data(:,2),'r+');
Thanks in advance.
Mustafa

Accepted Answer

abuzer
abuzer on 13 Apr 2016
I have found the solution.
Linear interpolation is ok for this purpose.
data= [0 0;
1 1;
2 2;
3 2;
4 1;
5 1.25;
6 3.25];
figure
plot(data(:,1),data(:,2),'r+');
hold on
xq= min(data):0.1:max(data);
yq = interp1(data(:,1),data(:,2),xq);
plot(xq,yq,'k o');

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