Method within_grid

lib/matplotlib/streamplot.py:420–424

Return whether (*xi*, *yi*) is a valid index of the grid.

(self, xi, yi)

        return self.ny, self.nx

    def within_grid(self, xi, yi):
        """Return whether (*xi*, *yi*) is a valid index of the grid."""
        # Note that xi/yi can be floats; so, for example, we can't simply check
        # `xi < self.nx` since *xi* can be `self.nx - 1 < xi < self.nx`
        return 0 <= xi <= self.nx - 1 and 0 <= yi <= self.ny - 1


class StreamMask: