cherab.phix.tools.utils.calc_contours#

cherab.phix.tools.utils.calc_contours(profile, level, r=None, z=None, rtc=None)Source#

Calculate \(R-Z\) 2-D profile’s contours using contourpy.

Parameters:

  • profile (NDArray) – \(R-Z\) 2-D array. The shape of array is \((N_R, N_Z)\).

  • level (float) – contour level of a profile value

  • r (NDArray | None) – The r-coorinate of the profile values. The default is calculated by rtc.

  • z (NDArray | None) – The z-coorinate of the profile values. The default is calculated by rtc.

  • rtc (RayTransferCylinder | None) – RayTransferCylinder instance, by default returned instance of import_phix_rtc.

Returns:

list of contour lines 2-D array \((N, 2)\). The columns of each array show the values of the \(R\) and \(Z\) coordinates, respectively.

Return type:

list[NDArray]