On 30/04/2010 22:05, Scott Rossi wrote:
Hello List:
Was wondering if those with more comprehensive math skills than I know how
to determine if one point X,Y falls within a triangular region defined by 3
points X1,Y1, X2,Y2, X3,Y3. Thanks for any suggestions.
Regards,
Well . . . my attempt is a bit babyish, but it may be something to work
from:
I set up a polygon graphic "TWIG" and set its points to X1, Y1, X2,Y2,
X3, XY
I then made a button "Q" which is 1 pixel by 1 pixel and moved it to
points X4, Y4 and did this:
if the loc of btn "Q" is within the rect of graphic "TRIG" then
put "INSIDE" into fld "OUTPUT"
else
put "OUTSIDE" into fld "OUTPUT"
end if
Not rocket science, but it is here:
http://andregarzia.on-rev.com/richmond/STUFF/TRIGGER.rev.zip
sincerely, Richmond Mathewson.
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