CGAL users discussion list

[Nicholas Mario Wardhana <>]

On 10 March 2012 02:56, sgdimitris 
<>
 wrote:
> Hello,
> I would like to ask if there is any CGAL function that
> calculates the distance between two Point_3 ? (every point has x,y,z
> parameter)
> Also, if there is a function that calculates the distance between a point
> and a triangle or in general a plane?
> With regards,
> Dimitris
>
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You can try this one here:

http://www.cgal.org/Manual/latest/doc_html/cgal_manual/Kernel_23_ref/Function_squared_distance.html

for point-point and point-plane distances, but I am not sure whether
CGAL has one for point-triangle. However, I think implementing it is
not hard. You might want to see these:

http://www.geometrictools.com/Documentation/DistancePoint3Triangle3.pdf
http://www.geometrictools.com/LibMathematics/Distance/Wm5DistPoint3Triangle3.cpp

Hope this helps.

Best regards,
Nicholas