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