Method plot

dreamplace/BasicPlace.py:1323–1338

@brief plot layout @param params parameters @param placedb placement database @param iteration optimization step @param pos locations of cells

(self, params, placedb, iteration, pos)

        return hpwl, overflow, max_density

    def plot(self, params, placedb, iteration, pos):
        """
        @brief plot layout
        @param params parameters
        @param placedb placement database
        @param iteration optimization step
        @param pos locations of cells
        """
        tt = time.time()
        path = "%s/%s" % (params.result_dir, params.design_name())
        figname = "%s/plot/iter%s.png" % (path, "{:04}".format(iteration))
        os.system("mkdir -p %s" % (os.path.dirname(figname)))
        if isinstance(pos, np.ndarray):
            pos = torch.from_numpy(pos)
        self.op_collections.draw_place_op(pos, figname)
        logging.info("plotting to %s takes %.3f seconds" % (figname, time.time() - tt))

    def dump(self, params, placedb, pos, filename):
        """