Method render

daft.py:362–455

Render the :class:`Plate`, :class:`Edge` and :class:`Node` objects in the model. This will create a new figure with the correct dimensions and plot the model in this area. :param dpi: (optional) The DPI value to use for rendering.

(self, dpi=None)

        return None

    def render(self, dpi=None):
        """
        Render the :class:`Plate`, :class:`Edge` and :class:`Node` objects in
        the model. This will create a new figure with the correct dimensions
        and plot the model in this area.

        :param dpi: (optional)
            The DPI value to use for rendering.

        """

        if dpi is None:
            self._ctx.dpi = self._dpi
        else:
            self._ctx.dpi = dpi

        def get_max(maxsize, artist):
            if isinstance(artist, Ellipse):
                maxsize = np.maximum(
                    maxsize,
                    artist.center
                    + np.array([artist.width, artist.height]) / 2,
                    dtype=np.float64,
                )
            elif isinstance(artist, Rectangle):
                maxsize = np.maximum(
                    maxsize,
                    np.array([artist._x0, artist._y0], dtype=np.float64)
                    + np.array([artist._width, artist._height]),
                    dtype=np.float64,
                )
            return maxsize

        def get_min(minsize, artist):
            if isinstance(artist, Ellipse):
                minsize = np.minimum(
                    minsize,
                    artist.center
                    - np.array([artist.width, artist.height]) / 2,
                    dtype=np.float64,
                )
            elif isinstance(artist, Rectangle):
                minsize = np.minimum(
                    minsize,
                    np.array([artist._x0, artist._y0], dtype=np.float64),
                )
            return minsize

        # Auto-set shape
        # We pass through each object once to find the maximum coordinates
        if self.shape is None:

            maxsize = np.copy(self._ctx.origin)

            for plate in self._plates:
                artist = plate.render(self._ctx)
                maxsize = get_max(maxsize, artist)