New answers tagged drawing
1
Some of the images do actually have a horizon you can use to estimate the eye level:
Note that the perspective in paintings aren't always completely geometrically well defined. There can be some "eye-balling" involved.
If there is no visible horizon you can have a look at where in the image you can see the top and bottom of objects.
As example, ...
3
Auto tracing is possible using most vector software, however it will just trace the image as it appears, and won't help you make all the lines the same width. Some also have centre line tracing, but that also comes with its own set of inaccuracy problems. In reality there is no good way to automate the creation of vector images. There's no one to one ...
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