//  [python]
def plot_representations(experiments, output_file='Representations.png'):
	from DatasetGeneration import Protein
	import matplotlib.font_manager as font_manager
	from matplotlib import rcParams
	font_manager.fontManager.addfont('/home/lupoglaz/.fonts/Helvetica.ttf')
	rcParams['font.family'] = 'Helvetica'
			
	test_stream = get_docking_stream('Data/docking_data_test.pkl', batch_size=1, max_size=None)
	for data in test_stream:
		receptor, ligand, translation, rotation, pos_idx = data
		receptor = receptor.unsqueeze(dim=1).to(dtype=torch.float32)
		ligand = ligand.unsqueeze(dim=1).to(dtype=torch.float32)
		break

	model = EQScoringModel(EQRepresentation())
	trainer = DockingTrainer(model, None, type='pos')
	trainer.load_checkpoint(Path('Data')/Path(experiments[0])/Path('model.th'))
	repr_0 = model.repr(ligand).tensor.detach().cpu().clone()
	A = model.scorer[0].weight.view(2,2)
	eigvals, V = torch.linalg.eig(A)
	V = V.real
	rv01 = V[0,0] * repr_0[0,0,:,:] + V[1,0]*repr_0[0,1,:,:]
	rv02 = V[0,1] * repr_0[0,0,:,:] + V[1,1]*repr_0[0,1,:,:]
	repr_0 = torch.stack([rv01, rv02],dim=0).unsqueeze(dim=0).detach()
	print(eigvals)

	trainer.load_checkpoint(Path('Data')/Path(experiments[1])/Path('model.th'))
	repr_1 = model.repr(ligand).tensor.detach().cpu().clone()
	A = model.scorer[0].weight.view(2,2)
	eigvals, V = torch.linalg.eig(A)
	V = V.real
	rv11 = V[0,0] * repr_1[0,0,:,:] + V[1,0]*repr_1[0,1,:,:]
	rv12 = V[0,1] * repr_1[0,0,:,:] + V[1,1]*repr_1[0,1,:,:]
	repr_1 = torch.stack([rv11, rv12],dim=0).unsqueeze(dim=0).detach()
	print(eigvals)
	
	# sys.exit()
	reprs = torch.cat([repr_0, repr_1], dim=0)
	min, max = torch.min(reprs).item(), torch.max(reprs).item()
	norm = colors.TwoSlopeNorm(vcenter=0.0)
	# fig, axs = plt.subplots(2, 3, figsize=(10,5), constrained_layout=True)
	fig, axs = plt.subplots(3, 2, figsize=(8,12), sharey=True, constrained_layout=True)
	fig.subplots_adjust(wspace=0)
	fig.subplots_adjust(hspace=1.0)

	# axs[0,0].set_title('Input', fontsize=22)
	axs[0,0].set_title('Input', fontsize=22)
	axs[0,1].set_title('Boundary', fontsize=22)
	# plt.figtext(0.55, 0.985,"Input", va="center", ha="center", size=22)
	a = axs[0,0].imshow(ligand[0,0,:,:].cpu(), cmap = 'binary')
	prot = Protein(ligand[0,0,:,:].to(dtype=torch.double, device='cpu').numpy())
	prot.make_boundary()
	# axs[1,0].set_title('Boundary', fontsize=22)
	a1 = axs[0,1].imshow(prot.boundary, cmap = 'binary')

	# axs[0,1].set_title('BFDocking', fontsize=22)
	axs[1,0].set_title(' ', fontsize=22)
	plt.figtext(0.55,0.65,"BF Docking", va="center", ha="center", size=22)

	b = axs[1,0].imshow(repr_0[0,1,:,:], cmap='coolwarm', norm=norm)
	c = axs[1,1].imshow(repr_0[0,0,:,:], cmap='coolwarm', norm=norm)
			
	repr = model.repr(receptor).tensor.detach().cpu()
	# axs[0,2].set_title('BFInteraction', fontsize=22)
	axs[2,0].set_title(' ', fontsize=22)
	plt.figtext(0.55, 0.315,"BF Interaction", va="center", ha="center", size=22)
	e = axs[2,0].imshow(repr_1[0,0,:,:], cmap='coolwarm', norm=norm)
	f = axs[2,1].imshow(repr_1[0,1,:,:], cmap='coolwarm', norm=norm)

	# axs[0, 1].remove()
	
	
	fig.colorbar(a, ax=axs[0,0], shrink=0.8, location='left')
	fig.colorbar(c, ax=axs[1,0], shrink=0.8, location='left')
	fig.colorbar(f, ax=axs[2,0], shrink=0.8, location='left')
	# fig.colorbar(a1, ax=axs[:,0], shrink=0.5)
	# fig.colorbar(c, ax=axs[:,1], shrink=0.5)
	# fig.colorbar(f, ax=axs[:,2], shrink=0.5)
	plt.tight_layout()
	if output_file is None:
		plt.show()
	else:
		plt.savefig(output_file)