If Scan2CAD finds lines at angles within x degrees of the angles selected in the Angle Optimization tab they are snapped to the selected angles. For example:
The diagrams above show raster lines that deviate slightly from 90, 180 and 45 degrees.
In the diagrams below the raster image is shown in gray and the vectors are superimposed in black.
When Angle Optimization is not set, the raster lines are vectorized exactly as is and the vector lines deviate slightly from 90, 180 and 45 degrees.
When Angle Optimization 90/180 is set, vector lines within a user-specified tolerance of 90 or 180 degrees are snapped to 90 or 180 degrees.
When Angle Optimization 45 is set, vector lines within a user-specified tolerance of 45 degrees are snapped to 45 degrees.
In the dialog below, Angle Optimization 90/180 and 45 have been set with a tolerance of 8 degrees.
This means that Scan2CAD will snap lines at angles between 82 and 98 degrees to 90 degrees.
It will snap lines at angles between 172 and 188 degrees to 180 degrees.
It will snap lines at angles between 37 and 53 degrees to 45 degrees.
Vectorization Settings dialog – Angle Optimization
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