Method mask2grid

site-packages/matplotlib/streamplot.py:275–276

(self, xm, ym)

                int((yi * self.y_grid2mask) + 0.5))

    def mask2grid(self, xm, ym):
        return xm * self.x_mask2grid, ym * self.y_mask2grid

    def data2grid(self, xd, yd):
        return xd * self.x_data2grid, yd * self.y_data2grid