| from PDE3D.Coefficient import * |
| from PDE3D.BoundaryShape import * |
| from PDE3D.utils import * |
| import os |
|
|
| def plot_coeff(coeff : Coefficient, shape : Shape, |
| input_range, path : str, tag : str, |
| slice_ax = "z", cam_res = [512, 512], spp=128, cam_origin = mi.ScalarPoint3f([7,7,10]), |
| cam_target = mi.ScalarPoint3f([0.0,0.0,0.0]), cam_up = mi.ScalarPoint3f([0,1,0]), scale_cam = 1/5, |
| cmap = "viridis", start_slice = -3.5, end_slice =3.0, num_slices = 9): |
| slices = [] |
| offsets = np.linspace(start_slice, end_slice, num_slices) |
| for offset in offsets: |
| slices.append(Slice(offset = offset, scale = 9, axis = slice_ax,)) |
| fig, ax = plt.subplots(num_slices//3, 3, figsize = (12, (num_slices//3) * 4)) |
| for i in range(num_slices): |
| r = i // 3 |
| c = i % 3 |
| coeff3D, coeff_norm = shape.visualize(colormap = cmap, cam_origin= cam_origin, spp = spp, image_res = cam_res, |
| scale_cam=scale_cam, cam_up = cam_up, slice = slices[i], cam_target = cam_target, coeff=coeff, |
| input_range = input_range) |
| plot_image_3D(coeff3D, ax[r,c], norm = coeff_norm, cmap = cmap) |
| |
| plt.savefig(os.path.join(path, f"{tag}.pdf"), dpi = 250) |
|
|
| def plot_summary(loss_list, path, log = False, save_npy = True): |
| losses = np.array(loss_list) |
| if save_npy: |
| np.save(os.path.join(path, "losses.npy"),losses) |
|
|
| fig, (ax1, ax2) = plt.subplots(1, 2, figsize = (16, 5)) |
| loss_all = losses.sum(axis = 1).squeeze() |
| iters = np.arange(0, len(loss_all)) |
| ax1.plot(iters, loss_all) |
| ax1.grid() |
| ax1.set_title("Sum of All Setups") |
| for i in range(losses.shape[1]): |
| ax2.plot(iters, losses[:,i], label = f"Setup {i}") |
| ax2.grid() |
| |
| if log: |
| ax1.set_yscale("log") |
| ax2.set_yscale("log") |
| ax2.set_title("Across different setups") |
| fig.suptitle("Evolution of the loss function") |
| path_loss_pdf = os.path.join(path, "loss") |
| if log: |
| fig.savefig(f"{path_loss_pdf}-log-setups.pdf", bbox_inches='tight', pad_inches=0.04, dpi=300) |
| else: |
| fig.savefig(f"{path_loss_pdf}-lin-setups.pdf", bbox_inches='tight', pad_inches=0.04, dpi=300) |
| plt.close(fig) |
|
|
|
|
