Exemplo n.º 1
0
 def init():
   global geometry_component, line_2D, lines_3D, line_comp, cbar, top_text, ax1, ax2, cmap, show_geometry, show_components, solution_components, scaling_factors
     
   # determine in which direction the 1D fibre extends the most
   min_x, max_x = py_reader.get_min_max(data, "geometry", "x")
   min_y, max_y = py_reader.get_min_max(data, "geometry", "y")
   min_z, max_z = py_reader.get_min_max(data, "geometry", "z")
   min_s, max_s = py_reader.get_min_max(data, "solution", "0")
   print( "value range: [{}, {}]".format(min_s, max_s))
   if np.isinf(min_s) or np.isnan(min_s):
     min_s = 0
   if np.isinf(max_s) or np.isnan(max_s):
     max_s = 0
   
   solution_components = py_reader.get_component_names(data[0], "solution")
   n_components = len(solution_components)
   
   span_x = max_x - min_x
   span_y = max_y - min_y
   span_z = max_z - min_z
   
   # if the geometry is a line, do not show geometry plot
   if span_y == 0 and span_z == 0:
     show_geometry = False
   if (not show_geometry) and n_components > 1:
     if solution_components[1] != "1":
       show_components = True
   
   if span_x >= span_y and span_x >= span_z:
     geometry_component = "x"
   elif span_y >= span_x and span_y >= span_z:
     geometry_component = "y"
   else:
     geometry_component = "z"
   
   if plot_over_time:
     # x-axis is time
     min_x = data[0]['currentTime']
     max_x = data[-1]['currentTime']
   else:  
     # x-axis is geometry
     min_x, max_x = py_reader.get_min_max(data, "geometry", geometry_component)
   
   if show_geometry:
     print( "geometry bounding box: x:[{},{}], y:[{},{}], z:[{},{}]".format(min_x,max_x,min_y,max_y,min_z,max_z))
   
   # prepare plot
   if show_geometry:
     gs = gridspec.GridSpec(2,1,height_ratios=[4,1])
     ax2 = plt.subplot(gs[0], projection='3d')
     ax1 = plt.subplot(gs[1])
   elif show_components:
     gs = gridspec.GridSpec(2,1,height_ratios=[3,4])
     ax1 = plt.subplot(gs[0])  # main component
     ax3 = plt.subplot(gs[1])  # all other components
   else:
     ax1 = plt.gca()
   
   # prepare main plot
   if data[0]["basisFunction"] == "Hermite" and data[0]["onlyNodalValues"] == False:  # for Hermite
     line_2D, = ax1.plot([], [], '-', color="b", lw=2, label=solution_components[0])
   else:
     line_2D, = ax1.plot([], [], '+-', color="b", lw=2, label=solution_components[0])
   margin = abs(max_s - min_s) * 0.1
   ax1.set_xlim(min_x, max_x)
   ax1.set_ylim(min_s - margin, max_s + margin)
   top_text = ax1.text(0.5,0.95,"",size=20,horizontalalignment='center',transform=ax1.transAxes)
   
   xlabel = geometry_component
   if plot_over_time:
     ax1.set_xlabel('t')
   else:
     ax1.set_xlabel(xlabel.upper())
   ax1.set_ylabel('Solution')
   if solution_components[0] != "0":
     ax1.legend()
   
   # prepare geometry plot
   if show_geometry:
     ax2.set_title("geometry")
     ax2.set_xlim(min_x, max_x)
     ax2.set_ylim(min_y, max_y)
     ax2.set_zlim(min_z, max_z)
     
     lines_3D = []
     # plot line segments with corresponding color
     xdata = py_reader.get_values(data[0], "geometry", "x")
     for i in range(len(xdata)):
       p, = ax2.plot(xdata[i:i+2], xdata[i:i+2], xdata[i:i+2], lw=3)
       lines_3D.append(p)
     ax2.set_xlabel('X')
     ax2.set_ylabel('Y')
     ax2.set_zlabel('Z')
       
     # manually create colorbar  [https://stackoverflow.com/questions/8342549/matplotlib-add-colorbar-to-a-sequence-of-line-plots]
     plt.sca(ax2)
     
     norm = mpl.colors.Normalize(vmin=min_s, vmax=max_s)
     cmap = mpl.cm.ScalarMappable(norm=norm, cmap=mpl.cm.jet)
     cmap.set_array([])
     cbar = fig.colorbar(cmap)
   
   # prepare other components plot
   if show_components:
     # determine scaling factors and axis limits for plot 2
     scaling_factors = []
     line_comp = []
     min_value = 0
     max_value = 1
     for (j,component_name) in enumerate(solution_components):
       min_comp, max_comp = py_reader.get_min_max(data, "solution", component_name)
       values_comp = py_reader.get_values(data[0], "solution", component_name)
       
       v = max(abs(max_comp), abs(min_comp))
       if abs(v) < 1e-5:
         v = 1e-5
         
       scaling_factor = abs(1./v)
       scaling_factors.append(scaling_factor)
       
       #print "{}, scaling_factor: {}, min_comp: {}, max_comp: {}".format(j, scaling_factor, min_comp, max_comp)
     
       if j > 0:
         min_value = min(min_value, min_comp*scaling_factor)
         max_value = max(max_value, max_comp*scaling_factor)
       line_plot, = ax3.plot([], [], '+-', lw=1, label=component_name)
       line_comp.append(line_plot)
       
       #print "   min_value: {} -> {}, max_value: {} -> {}".format(min_comp*scaling_factor, min_value, max_comp*scaling_factor, max_value)
     
     ax3.set_xlim(min_x, max_x)
     if plot_over_time:
       ax3.set_xlabel('t')
     margin = abs(max_value - min_value) * 0.1
     ax3.set_ylim(min_value - margin, max_value + margin)
     ax3.set_ylabel('Other components')
     if len(solution_components) > 5:
       ncol = len(solution_components)/10
       ax3.legend(prop={'size': 6, }, ncol=ncol)
     else:
       ax3.legend()
   return top_text,
Exemplo n.º 2
0
    
  if show_plot:
    plt.show()
  
####################
# 2D
if dimension == 2:
  
  field_variable_names = py_reader.get_field_variable_names(data[0])
  
  # classical 2D scalar field variables, like in Laplace eq.
  if "solution" in field_variable_names:
    
    debug = False
    
    min_value, max_value = py_reader.get_min_max(data, "solution", "0")
    min_x, max_x = py_reader.get_min_max(data, "geometry", "x")
    min_y, max_y = py_reader.get_min_max(data, "geometry", "y")
    
    print( "value range: [{}, {}]".format(min_value, max_value))
    
    # prepare plot
    fig = plt.figure()

    margin = abs(max_value - min_value) * 0.1
    ax = fig.add_subplot(111, projection='3d', xlim=(min_x, max_x), ylim=(min_y, max_y), zlim=(min_value-margin, max_value+margin))
    
    # surface = ax.plot_surface([], [], [], cmap=cm.coolwarm, linewidth=1,rstride=1,cstride=1) # needed? error with python3
    text = plt.figtext(0.15,0.85,"timestep",size=20)
    ax.set_xlabel('X')
    ax.set_ylabel('Y')
Exemplo n.º 3
0
    def init():
        global geometry_component, line_2D, lines_2D, lines_3D, line_comp, cbar, top_text, ax1, ax2, cmap, show_geometry, show_components, show_specified_fields, \
          specified_fields, solution_components, solution_name, solution_component, scaling_factors, min_x, max_x, min_y, max_y, min_z, max_z

        field_variable_names = py_reader.get_field_variable_names(data[0])

        # determine solution variable and component
        # if field names have been specified, only plot those
        if show_specified_fields:

            # get the specified fields as (field_variable_name, component_name) tuples
            specified_fields = []
            for specified_field_name in specified_field_names:
                for field_variable_name in field_variable_names:
                    component_names = py_reader.get_component_names(
                        data[0], field_variable_name)
                    if field_variable_name == specified_field_name:
                        if len(component_names) == 1:
                            component_name = component_names[0]
                            specified_fields.append(
                                (field_variable_name, component_name))
                        else:
                            for component_name in component_names:
                                specified_fields.append(
                                    (field_variable_name, component_name))
                    elif specified_field_name in component_names:
                        specified_fields.append(
                            (field_variable_name, specified_field_name))

            if len(specified_fields) == 0:
                print(
                    "\033[0;31mError! Given names {} do not match any existing field variable names or component names.\033[0m\n"
                    .format(specified_field_names))
                quit()

            n_components = 0

            # determine min/max values
            min_s = None
            max_s = None
            for (field_variable_name, component_name) in specified_fields:
                min_s_, max_s_ = py_reader.get_min_max(data,
                                                       field_variable_name,
                                                       component_name)
                print("\"{}.{}\" value range: [{}, {}]".format(
                    field_variable_name, component_name, min_s_, max_s_))

                min_s = (min_s_ if min_s is None else min(min_s_, min_s))
                max_s = (max_s_ if max_s is None else max(max_s_, max_s))

        # if no field names have been specified, search for the solution variable and component
        else:
            solution_name = "solution"
            if "solution" not in field_variable_names:
                for field_variable_name in field_variable_names:
                    if field_variable_name != "geometry":
                        component_names = py_reader.get_component_names(
                            data[0], field_variable_name)
                        if len(component_names) == 1:
                            solution_name = field_variable_name
                            break

            component_names = py_reader.get_component_names(
                data[0], solution_name)
            solution_component = component_names[0]

            min_s, max_s = py_reader.get_min_max(data, solution_name,
                                                 solution_component)
            print("\"{}\" value range: [{}, {}]".format(
                solution_name, min_s, max_s))

            solution_components = py_reader.get_component_names(
                data[0], solution_name)
            n_components = len(solution_components)

        if min_s is None or np.isinf(min_s) or np.isnan(min_s):
            min_s = 0
        if max_s is None or np.isinf(max_s) or np.isnan(max_s):
            max_s = 0

        span_x = max_x - min_x
        span_y = max_y - min_y
        span_z = max_z - min_z

        # if the geometry is a line, do not show geometry plot
        if span_y == 0 and span_z == 0:
            show_geometry = False
        if (not show_geometry) and n_components > 1:
            if solution_components[1] != "1":
                if not show_specified_fields:
                    show_components = True

        if span_x >= span_y and span_x >= span_z:
            geometry_component = "x"
        elif span_y >= span_x and span_y >= span_z:
            geometry_component = "y"
        else:
            geometry_component = "z"

        if plot_over_time:
            # x-axis is time
            min_x = data[0]['currentTime']
            max_x = data[-1]['currentTime']
        else:
            # x-axis is geometry
            min_x, max_x = py_reader.get_min_max(data, "geometry",
                                                 geometry_component)

        if show_geometry:
            print("geometry bounding box: x:[{},{}], y:[{},{}], z:[{},{}]".
                  format(min_x, max_x, min_y, max_y, min_z, max_z))

        # prepare plot
        if show_geometry:
            gs = gridspec.GridSpec(2, 1, height_ratios=[4, 1])
            ax2 = plt.subplot(gs[0], projection='3d')
            ax1 = plt.subplot(gs[1])
        elif show_components:
            gs = gridspec.GridSpec(2, 1, height_ratios=[3, 4])
            ax1 = plt.subplot(gs[0])  # main component
            ax3 = plt.subplot(gs[1])  # all other components
        else:
            ax1 = plt.gca()

        # prepare plot of specified fields
        if show_specified_fields:
            lines_2D = []
            for (field_variable_name, component_name) in specified_fields:
                if component_name == "0":
                    label = field_variable_name
                else:
                    label = component_name
                line, = ax1.plot([], [], '+-', lw=2, label=label)
                lines_2D.append(line)
            ax1.set_xlim(min_x, max_x)
            ax1.set_xlabel('t')
            plt.subplots_adjust(right=0.66, top=0.94, bottom=0.18)
            ax1.legend(bbox_to_anchor=(1.05, 1),
                       loc=2,
                       borderaxespad=0.,
                       frameon=False)

        else:
            # prepare main plot
            if data[0]["basisFunction"] == "Hermite" and data[0][
                    "onlyNodalValues"] == False:  # for Hermite
                line_2D, = ax1.plot([], [],
                                    '-',
                                    color="b",
                                    lw=2,
                                    label=solution_components[0])
            else:
                line_2D, = ax1.plot([], [],
                                    '+-',
                                    color="b",
                                    lw=2,
                                    label=solution_components[0])

            last_length = 0

            xlabel = geometry_component
            if plot_over_time:
                ax1.set_xlabel('t')
            else:
                ax1.set_xlabel(xlabel.upper())
            ax1.set_ylabel(solution_name)
            if solution_components[0] != "0":
                plt.subplots_adjust(right=0.66, top=0.94, bottom=0.18)
                ax1.legend(bbox_to_anchor=(1.05, 1),
                           loc=2,
                           borderaxespad=0.,
                           frameon=False)
                plt.tight_layout()

        ax1.set_xlim(min_x, max_x)
        margin = abs(max_s - min_s) * 0.1
        ax1.set_ylim(min_s - margin, max_s + margin)
        top_text = ax1.text(0.5,
                            0.94,
                            "",
                            horizontalalignment='center',
                            transform=ax1.transAxes,
                            family='monospace')
        plt.grid(which='major')

        # prepare geometry plot
        if show_geometry:
            ax2.set_title("geometry")
            ax2.set_xlim(min_x, max_x)
            ax2.set_ylim(min_y, max_y)
            ax2.set_zlim(min_z, max_z)

            lines_3D = []
            # plot line segments with corresponding color
            xdata = py_reader.get_values(data[0], "geometry", "x")
            for i in range(len(xdata)):
                p, = ax2.plot(xdata[i:i + 2],
                              xdata[i:i + 2],
                              xdata[i:i + 2],
                              lw=3)
                lines_3D.append(p)
            ax2.set_xlabel('X')
            ax2.set_ylabel('Y')
            ax2.set_zlabel('Z')

            # manually create colorbar  [https://stackoverflow.com/questions/8342549/matplotlib-add-colorbar-to-a-sequence-of-line-plots]
            plt.sca(ax2)

            norm = mpl.colors.Normalize(vmin=min_s, vmax=max_s)
            cmap = mpl.cm.ScalarMappable(norm=norm, cmap=mpl.cm.jet)
            cmap.set_array([])
            cbar = fig.colorbar(cmap)

        # prepare other components plot
        if show_components:
            # determine scaling factors and axis limits for plot 2
            scaling_factors = []
            line_comp = []
            min_value = 0
            max_value = 1
            for (j, component_name) in enumerate(solution_components):
                min_comp, max_comp = py_reader.get_min_max(
                    data, solution_name, component_name)
                values_comp = py_reader.get_values(data[0], solution_name,
                                                   component_name)

                v = max(abs(max_comp), abs(min_comp))
                if abs(v) < 1e-5:
                    v = 1e-5

                scaling_factor = abs(1. / v)
                scaling_factors.append(scaling_factor)

                #print "{}, scaling_factor: {}, min_comp: {}, max_comp: {}".format(j, scaling_factor, min_comp, max_comp)

                if j > 0:
                    min_value = min(min_value, min_comp * scaling_factor)
                    max_value = max(max_value, max_comp * scaling_factor)
                line_plot, = ax3.plot([], [], '+-', lw=1, label=component_name)
                line_comp.append(line_plot)

                #print "   min_value: {} -> {}, max_value: {} -> {}".format(min_comp*scaling_factor, min_value, max_comp*scaling_factor, max_value)

            ax3.set_xlim(min_x, max_x)
            if plot_over_time:
                ax3.set_xlabel('t')
            margin = abs(max_value - min_value) * 0.1
            ax3.set_ylim(min_value - margin, max_value + margin)
            ax3.set_ylabel('Other components')
            if len(solution_components) > 5:
                ncol = max(1, len(solution_components) / 10)
                plt.subplots_adjust(right=0.66, top=0.94, bottom=0.18)
                ax3.legend(prop={
                    'size': 6,
                },
                           ncol=ncol,
                           bbox_to_anchor=(1.05, 1),
                           loc=2,
                           borderaxespad=0.,
                           frameon=False)
            else:
                plt.subplots_adjust(right=0.66, top=0.94, bottom=0.18)
                ax3.legend(bbox_to_anchor=(1.05, 1),
                           loc=2,
                           borderaxespad=0.,
                           frameon=False)
        return top_text,
Exemplo n.º 4
0
if dimension == 1:

    fig = plt.figure(figsize=(10, 8))

    show_geometry = True  # if the fibre geometry should be displayed in a 3D plot in a separate axis (ax2) on top of the solution plot
    show_components = False  # if all the components of the solution should be displayed
    show_specified_fields = False  # if only the specified fields should be plotted in 2D in a single axis
    plot_over_time = data[0]['nElements'] == [
        0
    ]  # if the plot should have time as x-axis instead of geometry

    if len(specified_field_names) > 0:
        show_specified_fields = True
        plot_over_time = True

    min_x, max_x = py_reader.get_min_max(data, "geometry", "x")
    min_y, max_y = py_reader.get_min_max(data, "geometry", "y")
    min_z, max_z = py_reader.get_min_max(data, "geometry", "z")
    if abs(min_x - max_x) < 1e-5 and abs(min_y - max_y) < 1e-5 and abs(
            min_z - max_z) < 1e-5:
        plot_over_time = True

    if plot_over_time:
        print("Plot over time.")

    last_length = 0

    def init():
        global geometry_component, line_2D, lines_2D, lines_3D, line_comp, cbar, top_text, ax1, ax2, cmap, show_geometry, show_components, show_specified_fields, \
          specified_fields, solution_components, solution_name, solution_component, scaling_factors, min_x, max_x, min_y, max_y, min_z, max_z
Exemplo n.º 5
0
#print(os.getcwd())
# load data
data1 = py_reader.load_data(["build_release/out/febio_0000001.py"])
data2 = py_reader.load_data(["build_release/out/opendihu_0000001.py"])

# if files do not exist
if data1 == [] or data2 == []:
    quit()

component_name = "0"
total_error = 0

values1 = py_reader.get_values(data1[0], "geometry", component_name)
values2 = py_reader.get_values(data2[0], "geometry", component_name)

min_u1, max_u1 = py_reader.get_min_max(data1, "u", "2")
min_u2, max_u2 = py_reader.get_min_max(data2, "u", "z")

print("maximum z-displacement febio:    {}".format(max_u1))
print("maximum z-displacement opendihu: {}".format(max_u2))

# values2 contains entries for quadratic elements
# extract the corner values
n_elements = data2[0]['nElements']
nx = n_elements[0]
ny = n_elements[1]
nz = n_elements[2]
mx = nx * 2 + 1
my = ny * 2 + 1
mz = nz * 2 + 1
Exemplo n.º 6
0
print("{} files".format(len(solution_files)))

data = py_reader.load_data(solution_files)

if len(data) == 0:
    print("no data found.")
    sys.exit(0)

dimension = data[0]['dimension']

####################
# 1D
if dimension == 1:

    min_value, max_value = py_reader.get_min_max(data, "solution", "0")
    min_x, max_x = py_reader.get_min_max(data, "geometry", "x")

    # check if solution diverged
    diverged_tolerance = 1e100
    if min_value < -diverged_tolerance or max_value > diverged_tolerance:
        print("Test failed: solution diverged. Value range: [{}, {}]".format(
            min_value, max_value))
        sys.exit(0)

    # compare to reference solution
    error_absolute_timestep = []
    error_relative_timestep = []

    for dataset in data:
        timestep_no = dataset['timeStepNo']