# -*- coding: utf-8 -*- """ This python class aids in plotting results from the numerical simulations Copyright (C) 2016 SINTEF ICT This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see . """ from matplotlib import pyplot as plt import matplotlib.gridspec as gridspec import numpy as np import time """ Class that makes plotting faster by caching the plots instead of recreating them """ class PlotHelper: def __init__(self, fig, x_coords, y_coords, radius, eta1, u1, v1, eta2=None, u2=None, v2=None, interpolation_type='spline36'): self.ny, self.nx = eta1.shape self.fig = fig; fig.set_figheight(15) fig.set_figwidth(15) min_x = np.min(x_coords[:,0]); min_y = np.min(y_coords[0,:]); max_x = np.max(x_coords[0,:]); max_y = np.max(y_coords[:,0]); domain_extent = [ x_coords[0, 0], x_coords[0, -1], y_coords[0, 0], y_coords[-1, 0] ] if (eta2 is not None): assert(u2 is not None) assert(v2 is not None) self.gs = gridspec.GridSpec(3, 3) else: self.gs = gridspec.GridSpec(2, 3) ax = self.fig.add_subplot(self.gs[0, 0]) self.sp_eta = plt.imshow(eta1, interpolation=interpolation_type, origin='bottom', vmin=-0.05, vmax=0.05, extent=domain_extent) plt.axis('tight') ax.set_aspect('equal') plt.title('Eta') plt.colorbar() ax = self.fig.add_subplot(self.gs[0, 1]) self.sp_u = plt.imshow(u1, interpolation=interpolation_type, origin='bottom', vmin=-1.5, vmax=1.5, extent=domain_extent) plt.axis('tight') ax.set_aspect('equal') plt.title('U') plt.colorbar() ax = self.fig.add_subplot(self.gs[0, 2]) self.sp_v = plt.imshow(v1, interpolation=interpolation_type, origin='bottom', vmin=-1.5, vmax=1.5, extent=domain_extent) plt.axis('tight') ax.set_aspect('equal') plt.title('V') plt.colorbar() ax = self.fig.add_subplot(self.gs[1, 0]) self.sp_radial1, = plt.plot(radius.ravel(), eta1.ravel(), '.') plt.axis([0, min(max_x, max_y), -1.5, 1]) plt.title('Eta Radial plot') ax = self.fig.add_subplot(self.gs[1, 1]) self.sp_x_axis1, = plt.plot(x_coords[self.ny/2,:], eta1[self.ny/2,:], 'k+--', label='x-axis') self.sp_y_axis1, = plt.plot(y_coords[:,self.nx/2], eta1[:,self.nx/2], 'kx:', label='y-axis') plt.axis([max(min_x, min_y), min(max_x, max_y), -1.5, 1]) plt.title('Eta along axis') plt.legend() ax = self.fig.add_subplot(self.gs[1, 2]) self.sp_x_diag1, = plt.plot(1.41*np.diagonal(x_coords, offset=-abs(self.nx-self.ny)/2), \ np.diagonal(eta1, offset=-abs(self.nx-self.ny)/2), \ 'k+--', label='x = -y') self.sp_y_diag1, = plt.plot(1.41*np.diagonal(y_coords.T, offset=abs(self.nx-self.ny)/2), \ np.diagonal(eta1.T, offset=abs(self.nx-self.ny)/2), \ 'kx:', label='x = y') plt.axis([max(min_x, min_y), min(max_x, max_y), -1.5, 1]) plt.title('Eta along diagonal') plt.legend() if (eta2 is not None): ax = self.fig.add_subplot(self.gs[2, 0]) self.sp_radial2, = plt.plot(radius.ravel(), eta2.ravel(), '.') plt.axis([0, min(max_x, max_y), -1.5, 1]) plt.title('Eta2 Radial plot') ax = self.fig.add_subplot(self.gs[2, 1]) self.sp_x_axis2, = plt.plot(x_coords[self.ny/2,:], eta2[self.ny/2,:], 'k+--', label='x-axis') self.sp_y_axis2, = plt.plot(y_coords[:,self.nx/2], eta2[:,self.nx/2], 'kx:', label='y-axis') plt.axis([max(min_x, min_y), min(max_x, max_y), -1.5, 1]) plt.title('Eta2 along axis') plt.legend() ax = self.fig.add_subplot(self.gs[2, 2]) self.sp_x_diag2, = plt.plot(1.41*np.diagonal(x_coords, offset=-abs(self.nx-self.ny)/2), \ np.diagonal(eta2, offset=-abs(self.nx-self.ny)/2), \ 'k+--', label='x = -y') self.sp_y_diag2, = plt.plot(1.41*np.diagonal(y_coords.T, offset=abs(self.nx-self.ny)/2), \ np.diagonal(eta2.T, offset=abs(self.nx-self.ny)/2), \ 'kx:', label='x = y') plt.axis([max(min_x, min_y), min(max_x, max_y), -1.5, 1]) plt.title('Eta2 along diagonal') plt.legend() def plot(self, eta1, u1, v1, eta2=None, u2=None, v2=None): self.fig.add_subplot(self.gs[0, 0]) self.sp_eta.set_data(eta1) self.fig.add_subplot(self.gs[0, 1]) self.sp_u.set_data(u1) self.fig.add_subplot(self.gs[0, 2]) self.sp_v.set_data(v1) self.fig.add_subplot(self.gs[1, 0]) self.sp_radial1.set_ydata(eta1.ravel()); self.fig.add_subplot(self.gs[1, 1]) self.sp_x_axis1.set_ydata(eta1[(self.ny+2)/2,:]) self.sp_y_axis1.set_ydata(eta1[:,(self.nx+2)/2]) self.fig.add_subplot(self.gs[1, 2]) self.sp_x_diag1.set_ydata(np.diagonal(eta1, offset=-abs(self.nx-self.ny)/2)) self.sp_y_diag1.set_ydata(np.diagonal(eta1.T, offset=abs(self.nx-self.ny)/2)) if (eta2 is not None): self.fig.add_subplot(self.gs[2, 0]) self.sp_radial2.set_ydata(eta2.ravel()); self.fig.add_subplot(self.gs[2, 1]) self.sp_x_axis2.set_ydata(eta2[(self.ny+2)/2,:]) self.sp_y_axis2.set_ydata(eta2[:,(self.nx+2)/2]) self.fig.add_subplot(self.gs[2, 2]) self.sp_x_diag2.set_ydata(np.diagonal(eta2, offset=-abs(self.nx-self.ny)/2)) self.sp_y_diag2.set_ydata(np.diagonal(eta2.T, offset=abs(self.nx-self.ny)/2)) plt.draw() time.sleep(0.001)