Re: Graphical calculation of a centroid

Hi Jose,

Thanks for the answer. However, what I was trying to find out is if,
given a specific polygon, I can have an estimate of the centroid
position by drawing some lines and intersections.

I recall that I read somewhere that it has something to do with finding
the middle of the polygon segments and unite them by a line (the
distance being weighted by the ratio of the segment lenghts) but I
can't find this information anymore and I don't remember the exact
method.

Thanks/Brgds
Joao

.

Relevant Pages

  • Re: Centroid of a polygon with holes
    ... > as a polygon is the center. ... > just locate the holes, ... I can't punch a pinhole into one corner of a large square and expect ... the centroid of the punched figure to now be in the pinhole. ...
    (sci.math)
  • Calculate centroid on earth
    ... I would like to calculate the centroid of an arbitrary ... polygon on the surface of the earth. ... as the MEANM. ... or a part of the mapping toolbox, ...
    (comp.soft-sys.matlab)
  • Re: how to calculate centroid for non-constant desity polygon
    ... first create your polygon in an array with the ... To find the x centroid, ... as well as your thresholded image (which specifies which pixels ...
    (comp.soft-sys.matlab)
  • Re: Polygon from Unordered set of points
    ... I want to form a polygon from these vertices which should arrange the points in either clockwise or anticlockwise sense. ... Can't you just find the centroid, then find the angle from the ...
    (comp.soft-sys.matlab)