mapc2p.py.html
Source file:   mapc2p.py
Directory:   /Users/rjl/git/clawpack/amrclaw/examples/advection_2d_annulus
Converted:   Wed Dec 28 2016 at 22:36:50   using clawcode2html
This documentation file will not reflect any later changes in the source file.

 


from __future__ import absolute_import
def mapc2p(xc,yc):
    """
    Specifies the mapping to curvilinear coordinates -- should be consistent
    with mapc2p.f
    """
    from numpy import sin, cos

    # Polar coordinates (xc = r,  yc = theta)
    xp = xc * cos(yc)
    yp = xc * sin(yc)
    return xp,yp