That filet (For that reason, do not select contour detection). Up with a kind of wide contour, like a filet,Īnd the calculated surface will not be the inner surface, but the surface of Sometimes, the vectorization function ends In my case, it is a filled shape,it is more handy to get only the contours, with no filling.Move the path object that is at the foreground and delete the image that is at Once the path has been created, you can discard the bitmap image, wich is still behind.You need to play a little bit with the setup of the different parameters to Vectorize the bitmap, that is to say transform its contours into a vectorial path: _File / Import _…, then select the image and answer “embed” to the Obviously, the total surface of the holes composing the footprints must beĬalculate the surface that we need to respect : 12 cm diameter = 113.1 cm².įind a model : exemple : deux_pieds.png.
In my case, I didn’t want to have a circular sound-hole, but something more (percussion box), which is supposed to have, according to the plan, a circular In the following exemple, it is not a string instrument, but a Cajòn There is indeed an optimal size of the sound-hole, depending on the volume of Sound-hole, for instance when it is not circular (oval or ff shape). It can be very usefull for the luthier, in order to adjust the size of a
That would have been imported in the software and scaled to real size first. This can be connected to the real world, using a photography of a real object, Inkscape offers a very interresting feature thatĪllows to calculate precisely the surface area of any shape. Table of contents : Calculate a surface area with Inkscape
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