| 1 | initial version |
FWIW, it is possible to superpose a SageMath plot to a png image, via Matplotlib. The first step is to convert the plot to a Matplotlib object via the method matplotlib() and then use imgshow() to superpose the image. An example in shown in cell [26] of
https://nbviewer.org/github/egourgoulhon/BHLectures/blob/master/sage/Kerr_image_M87.ipynb
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