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transform_polar

Arguments:

• "expr_radius",_"expr_angle",_center_x[%],_center_y[%],_boundary_conditions={ 0:dirichlet | 1:neumann | 2:periodic | 3:mirror }

Description:

Apply user-defined transform on polar representation of selected images.

Default values:

expr_radius=R-r, expr_rangle=a, center_x=center_y=50% and boundary_conditions=3.

Example of use: