Exemple #1
0
def parse_trace(fname):
    ''' Parse McStas trace output from stdin and write results
        to file objects csv_comps and csv_lines '''

    color = 0

    # map from component name to (position, rotation matrix)
    comps = {}

    # active (position, rotation matrix)
    comp = (np.array([0, 0, 0]), np.array([1, 0, 0, 0, 1, 0, 0, 0,
                                           1]).reshape(3, 3))

    # previous neutron position
    prev = None
    skip = False
    # we are drawing a neutron
    active = False
    xstate = []
    ystate = []
    zstate = []

    circlePoints = vtk.vtkPoints()
    circleLines = vtk.vtkCellArray()
    circle_pid = 0

    multiPoints = vtk.vtkPoints()
    multiLines = vtk.vtkCellArray()
    multi_pid = 0

    neutronPoints = vtk.vtkPoints()
    neutronLines = vtk.vtkCellArray()
    neutron_pid = 0

    f = open(fname, 'r')
    lines = f.readlines()

    for i, line in enumerate(lines):
        if not line:
            break
        line = line.strip()
        # register components
        if line.startswith(UC_COMP):
            # grab info line
            info = lines[i + 1]
            assert info[:4] == 'POS:'
            nums = [x.strip() for x in info[4:].split(',')]
            # extract fields
            name = line[len(UC_COMP):].strip(' "\n')
            pos = np.array([float(x) for x in nums[:3]])
            # read flat 3x3 rotation matrix
            rot = np.array([float(x) for x in nums[3:3 + 9]]).reshape(3, 3)
            comps[name] = (pos, rot)

        # switch perspective
        elif line.startswith(MC_COMP):
            color += 1
            comp = comps[line[len(MC_COMP) + 1:]]

        elif line.startswith(MC_COMP_SHORT):
            name = line[len(MC_COMP_SHORT) + 1:].strip('"')
            comp = comps[name]
            skip = True

        # process multiline
        elif line.startswith(MC_LINE):
            points = parse_multiline(line[len(MC_LINE):].strip('()'))
            points.pop(0)
            coords = rotate_points(points, comp)
            beg = multi_pid
            for p in coords:
                multiPoints.InsertNextPoint(p)
                multi_pid += 1
            end = multi_pid
            for idx in range(beg, end - 1):
                vline = vtk.vtkLine()
                vline.GetPointIds().SetId(0, idx)
                vline.GetPointIds().SetId(1, idx + 1)
                multiLines.InsertNextCell(vline)

        # process circle
        elif line.startswith(MC_CIRCLE):
            xyz = 'xyz'
            items = line[len(MC_CIRCLE):].strip('()').split(',')
            # plane
            pla = [xyz.find(a) for a in items[0].strip("''")]
            # center and radius
            pos = [float(x) for x in items[1:4]]
            rad = float(items[4])
            coords = draw_circle(pla, pos, rad, comp)
            beg = circle_pid
            for p in coords:
                circlePoints.InsertNextPoint(p)
                circle_pid += 1
            end = circle_pid
            for idx in range(beg, end - 1):
                vline = vtk.vtkLine()
                vline.GetPointIds().SetId(0, idx)
                vline.GetPointIds().SetId(1, idx + 1)
                circleLines.InsertNextCell(vline)

        # activate neutron when it enters
        elif line.startswith(MC_ENTER):
            prev = None
            skip = True
            active = True
            color = 0
            xstate = []
            ystate = []
            zstate = []
        # deactivate neutron when it leaves
        elif line.startswith(MC_LEAVE):

            coords = np.column_stack([xstate, ystate, zstate])
            beg = neutron_pid
            for p in coords:
                neutronPoints.InsertNextPoint(p)
                neutron_pid += 1
            end = neutron_pid
            for idx in range(beg, end - 1):
                vline = vtk.vtkLine()
                vline.GetPointIds().SetId(0, idx)
                vline.GetPointIds().SetId(1, idx + 1)
                neutronLines.InsertNextCell(vline)
            active = False
            prev = None

        elif line.startswith(MC_ABSORB):
            pass

        # register state and scatter
        elif line.startswith(MC_STATE) or line.startswith(MC_SCATTER):

            if not active:
                continue

            if skip:
                skip = False
                continue

            xyz = [float(x) for x in line[line.find(':') + 1:].split(',')[:3]]
            xyz = rotate(xyz, comp)
            if prev is not None:
                xstate.append(xyz[0])
                ystate.append(xyz[1])
                zstate.append(xyz[2])
            prev = xyz
            xstate.append(prev[0])
            ystate.append(prev[1])
            zstate.append(prev[2])

    f.close()

    circlePolydata = vtk.vtkPolyData()
    circlePolydata.SetPoints(circlePoints)
    circlePolydata.SetLines(circleLines)

    circle_mapper = vtk.vtkPolyDataMapper()
    try:
        circle_mapper.SetInputData(circlePolydata)  # VTK Python >= 6
    except:
        circle_mapper.SetInput(circlePolydata)  # VTK Python >= 5.8
    circle_actor = vtk.vtkActor()
    circle_actor.SetMapper(circle_mapper)
    circle_actor.GetProperty().SetAmbient(0.2)
    circle_actor.GetProperty().SetDiffuse(0.5)
    circle_actor.GetProperty().SetSpecular(0.3)
    circle_actor.GetProperty().SetColor(0, 0.7, 0.7)
    circle_actor.GetProperty().SetLineWidth(3)

    multiPolydata = vtk.vtkPolyData()
    multiPolydata.SetPoints(multiPoints)
    multiPolydata.SetLines(multiLines)

    multi_mapper = vtk.vtkPolyDataMapper()
    try:
        multi_mapper.SetInputData(multiPolydata)
    except:
        multi_mapper.SetInput(multiPolydata)
    multi_actor = vtk.vtkActor()
    multi_actor.SetMapper(multi_mapper)
    multi_actor.GetProperty().SetAmbient(0.2)
    multi_actor.GetProperty().SetDiffuse(0.5)
    multi_actor.GetProperty().SetSpecular(0.3)
    multi_actor.GetProperty().SetColor(1, 0, 0.5)
    multi_actor.GetProperty().SetLineWidth(3)

    neutronPolydata = vtk.vtkPolyData()
    neutronPolydata.SetPoints(neutronPoints)
    neutronPolydata.SetLines(neutronLines)

    neutron_mapper = vtk.vtkPolyDataMapper()
    try:
        neutron_mapper.SetInputData(neutronPolydata)
    except:
        neutron_mapper.SetInput(neutronPolydata)
    neutron_actor = vtk.vtkActor()
    neutron_actor.SetMapper(neutron_mapper)
    neutron_actor.GetProperty().SetAmbient(0.2)
    neutron_actor.GetProperty().SetDiffuse(0.5)
    neutron_actor.GetProperty().SetSpecular(0.3)
    neutron_actor.GetProperty().SetColor(1, 1, 1)
    neutron_actor.GetProperty().SetLineWidth(2)

    renderer = vtk.vtkRenderer()
    renderer.AddActor(circle_actor)
    renderer.AddActor(multi_actor)
    renderer.AddActor(neutron_actor)
    renderer.SetBackground(0, 0, 0)

    renwin = vtk.vtkRenderWindow()
    renwin.AddRenderer(renderer)

    iren = vtk.vtkRenderWindowInteractor()
    istyle = vtk.vtkInteractorStyleTrackballCamera()
    iren.SetInteractorStyle(istyle)
    iren.SetRenderWindow(renwin)

    iren.Initialize()
    renwin.Render()
    iren.Start()
Exemple #2
0
def parse_trace():
    ''' Parse McStas trace output from stdin and write results
        to file objects csv_comps and csv_lines '''

    mpl.rcParams['legend.fontsize'] = 10

    fig = plt.figure(figsize=plt.figaspect(0.5)*1.5)
    ax = fig.gca(projection='3d')
    ax.set_xlabel("z")
    ax.set_ylabel("x")
    ax.set_zlabel("y")
    ax.set_aspect('equal')
    #    ax.autoscale_view(scalex=False, scaley=False, scalez=False)
    color = 0

    # map from component name to (position, rotation matrix)
    comps = {}

    # active (position, rotation matrix)
    comp = (np.array([0, 0, 0]),
            np.array([1, 0, 0,
                      0, 1, 0,
                      0, 0, 1]).reshape(3,3))

    # previous neutron position
    prev = None
    skip = False
    # we are drawing a neutron
    active = False
    xstate=[]
    ystate=[]
    zstate=[]
    
    while True:
        # read line
        line = get_line()
        if not line:
            break

        # register components
        if line.startswith(UC_COMP):
            # grab info line
            info = get_line()
            assert info[:4] == 'POS:'
            nums = [x.strip() for x in info[4:].split(',')]
            # extract fields
            name = line[len(UC_COMP):].strip(' "\n')
            pos = np.array([float(x) for x in nums[:3]])
            # read flat 3x3 rotation matrix
            rot = np.array([float(x) for x in nums[3:3+9]]).reshape(3, 3)
            comps[name] = (pos, rot)

        # switch perspective
        elif line.startswith(MC_COMP):
            color += 1
            comp = comps[line[len(MC_COMP) + 1:]]

        elif line.startswith(MC_COMP_SHORT):
            name = line[len(MC_COMP_SHORT) + 1:].strip('"')
            comp = comps[name]
            skip = True

        # process multiline
        elif line.startswith(MC_LINE):
            points = parse_multiline(line[len(MC_LINE):].strip('()'))
            start = points.pop(0)
            (x, y, z) = rotate_points(points, comp)
            ax.plot(z, x, y)

        # process circle
        elif line.startswith(MC_CIRCLE):
            xyz = 'xyz'
            items = line[len(MC_CIRCLE):].strip('()').split(',')
            # plane
            pla = [xyz.find(a) for a in items[0].strip("''")]
            # center and radius
            pos = [float(x) for x in items[1:4]]
            rad = float(items[4])
            (x,y,z) = draw_circle(pla, pos, rad, comp)
            ax.plot(z, x, y)
            
        # activate neutron when it enters
        elif line.startswith(MC_ENTER):
            prev = None
            skip = True
            active = True
            color = 0
            xstate=[]
            ystate=[]
            zstate=[]

        # deactivate neutron when it leaves
        elif line.startswith(MC_LEAVE):
            ax.plot(zstate, xstate, ystate)
            active = False
            prev = None
            
        elif line.startswith(MC_ABSORB):
            pass

        # register state and scatter
        elif line.startswith(MC_STATE) or line.startswith(MC_SCATTER):
            
            if not active:
                continue

            if skip:
                skip = False
                continue
            
            xyz = [float(x) for x in line[line.find(':')+1:].split(',')[:3]]
            xyz = rotate(xyz, comp)
            if prev is not None:
                xstate.append(xyz[0])
                ystate.append(xyz[1])
                zstate.append(xyz[2])
            prev = xyz
            xstate.append(prev[0])
            ystate.append(prev[1])
            zstate.append(prev[2])

        # kick out legacy "junk"
        elif line.startswith(MC_MAGNIFY) or line.startswith(MC_START) or line.startswith(MC_END) or line.startswith(MC_STOP):
            continue
        else:
            print line


    # A little bit of logic for controlling the aspect ratios/view
    (xmin, xmax)=ax.get_xlim3d()
    (ymin, ymax)=ax.get_ylim3d()
    (zmin, zmax)=ax.get_zlim3d()
    dx = xmax - xmin
    dy = ymax - ymin
    dz = zmax - zmin
    dmax=max(dx,dy,dz)

    # Check ranges and define axis box of max length cubed
    if dmax > dx:
        mean=(xmax+xmin)/2
        xmin=mean-dmax/2
        xmax=mean+dmax/2
    if dmax > dy:
        mean=(ymax+ymin)/2
        ymin=mean-dmax/2
        ymax=mean+dmax/2
    if dmax > dz:
        mean=(zmax+zmin)/2
        zmin=mean-dmax/2
        zmax=mean+dmax/2
        
    # Set new axis limits
    ax.set_xlim3d(xmin,xmax)
    ax.set_ylim3d(ymin,ymax)
    ax.set_zlim3d(zmin,zmax)
 
    plt.show()
Exemple #3
0
def parse_trace(fname):
    ''' Parse McStas trace output from stdin and write results
        to file objects csv_comps and csv_lines '''

    color = 0

    # map from component name to (position, rotation matrix)
    comps = {}

    # active (position, rotation matrix)
    comp = (np.array([0, 0, 0]),
            np.array([1, 0, 0,
                      0, 1, 0,
                      0, 0, 1]).reshape(3,3))

    # previous neutron position
    prev = None
    skip = False
    # we are drawing a neutron
    active = False
    xstate=[]
    ystate=[]
    zstate=[]
    
    circlePoints = vtk.vtkPoints()
    circleLines = vtk.vtkCellArray()
    circle_pid = 0
    
    multiPoints = vtk.vtkPoints()
    multiLines = vtk.vtkCellArray()
    multi_pid = 0
    
    neutronPoints = vtk.vtkPoints()
    neutronLines = vtk.vtkCellArray()
    neutron_pid = 0
    
    f = open(fname, 'r')
    lines = f.readlines()
    
    for i, line in enumerate(lines):
        if not line:
            break
        line = line.strip()
        # register components
        if line.startswith(UC_COMP):
            # grab info line
            info = lines[i+1]
            assert info[:4] == 'POS:'
            nums = [x.strip() for x in info[4:].split(',')]
            # extract fields
            name = line[len(UC_COMP):].strip(' "\n')
            pos = np.array([float(x) for x in nums[:3]])
            # read flat 3x3 rotation matrix
            rot = np.array([float(x) for x in nums[3:3+9]]).reshape(3, 3)
            comps[name] = (pos, rot)

        # switch perspective
        elif line.startswith(MC_COMP):
            color += 1
            comp = comps[line[len(MC_COMP) + 1:]]

        elif line.startswith(MC_COMP_SHORT):
            name = line[len(MC_COMP_SHORT) + 1:].strip('"')
            comp = comps[name]
            skip = True

        # process multiline
        elif line.startswith(MC_LINE):
            points = parse_multiline(line[len(MC_LINE):].strip('()'))
            points.pop(0)
            coords = rotate_points(points, comp)
            beg = multi_pid
            for p in coords:
                multiPoints.InsertNextPoint(p)
                multi_pid += 1
            end = multi_pid
            for idx in range(beg, end-1):
                vline = vtk.vtkLine()
                vline.GetPointIds().SetId(0,idx)
                vline.GetPointIds().SetId(1,idx +1)
                multiLines.InsertNextCell(vline)
                
        # process circle
        elif line.startswith(MC_CIRCLE):
            xyz = 'xyz'
            items = line[len(MC_CIRCLE):].strip('()').split(',')
            # plane
            pla = [xyz.find(a) for a in items[0].strip("''")]
            # center and radius
            pos = [float(x) for x in items[1:4]]
            rad = float(items[4])
            coords = draw_circle(pla, pos, rad, comp)
            beg = circle_pid
            for p in coords:
                circlePoints.InsertNextPoint(p)
                circle_pid += 1
            end = circle_pid
            for idx in range(beg, end-1):
                vline = vtk.vtkLine()
                vline.GetPointIds().SetId(0,idx)
                vline.GetPointIds().SetId(1,idx +1)
                circleLines.InsertNextCell(vline)
        
                
        # activate neutron when it enters
        elif line.startswith(MC_ENTER):
            prev = None
            skip = True
            active = True
            color = 0
            xstate=[]
            ystate=[]
            zstate=[]
        # deactivate neutron when it leaves
        elif line.startswith(MC_LEAVE):
            
            coords = np.column_stack([xstate, ystate, zstate])
            beg = neutron_pid
            for p in coords:
                neutronPoints.InsertNextPoint(p)
                neutron_pid += 1
            end = neutron_pid
            for idx in range(beg, end-1):
                vline = vtk.vtkLine()
                vline.GetPointIds().SetId(0,idx)
                vline.GetPointIds().SetId(1,idx +1)
                neutronLines.InsertNextCell(vline)
            active = False
            prev = None
            
        elif line.startswith(MC_ABSORB):
            pass

        # register state and scatter
        elif line.startswith(MC_STATE) or line.startswith(MC_SCATTER):
            
            if not active:
                continue

            if skip:
                skip = False
                continue
            
            xyz = [float(x) for x in line[line.find(':')+1:].split(',')[:3]]
            xyz = rotate(xyz, comp)
            if prev is not None:
                xstate.append(xyz[0])
                ystate.append(xyz[1])
                zstate.append(xyz[2])
            prev = xyz
            xstate.append(prev[0])
            ystate.append(prev[1])
            zstate.append(prev[2])

    f.close()

    circlePolydata =vtk.vtkPolyData()
    circlePolydata.SetPoints(circlePoints)
    circlePolydata.SetLines(circleLines)

    circle_mapper = vtk.vtkPolyDataMapper()
    try:
      circle_mapper.SetInputData(circlePolydata) # VTK Python >= 6
    except:
      circle_mapper.SetInput(circlePolydata)     # VTK Python >= 5.8
    circle_actor = vtk.vtkActor()
    circle_actor.SetMapper(circle_mapper)
    circle_actor.GetProperty().SetAmbient(0.2)
    circle_actor.GetProperty().SetDiffuse(0.5)
    circle_actor.GetProperty().SetSpecular(0.3)
    circle_actor.GetProperty().SetColor(0,0.7,0.7)
    circle_actor.GetProperty().SetLineWidth(3)   
    
    
    multiPolydata =vtk.vtkPolyData()
    multiPolydata.SetPoints(multiPoints)
    multiPolydata.SetLines(multiLines)

    multi_mapper = vtk.vtkPolyDataMapper()
    try:
      multi_mapper.SetInputData(multiPolydata)
    except:
      multi_mapper.SetInput(multiPolydata)
    multi_actor = vtk.vtkActor()
    multi_actor.SetMapper(multi_mapper)
    multi_actor.GetProperty().SetAmbient(0.2)
    multi_actor.GetProperty().SetDiffuse(0.5)
    multi_actor.GetProperty().SetSpecular(0.3)
    multi_actor.GetProperty().SetColor(1,0,0.5)
    multi_actor.GetProperty().SetLineWidth(3)
    
    neutronPolydata =vtk.vtkPolyData()
    neutronPolydata.SetPoints(neutronPoints)
    neutronPolydata.SetLines(neutronLines)

    neutron_mapper = vtk.vtkPolyDataMapper()
    try:
      neutron_mapper.SetInputData(neutronPolydata)
    except:
      neutron_mapper.SetInput(neutronPolydata)
    neutron_actor = vtk.vtkActor()
    neutron_actor.SetMapper(neutron_mapper)
    neutron_actor.GetProperty().SetAmbient(0.2)
    neutron_actor.GetProperty().SetDiffuse(0.5)
    neutron_actor.GetProperty().SetSpecular(0.3)
    neutron_actor.GetProperty().SetColor(1,1,1)
    neutron_actor.GetProperty().SetLineWidth(2) 
    
    renderer = vtk.vtkRenderer()
    renderer.AddActor(circle_actor)
    renderer.AddActor(multi_actor)
    renderer.AddActor(neutron_actor)
    renderer.SetBackground(0, 0, 0)
    
    renwin = vtk.vtkRenderWindow()
    renwin.AddRenderer(renderer)
    
    iren = vtk.vtkRenderWindowInteractor()
    istyle = vtk.vtkInteractorStyleTrackballCamera() 
    iren.SetInteractorStyle(istyle)
    iren.SetRenderWindow(renwin)

    iren.Initialize()
    renwin.Render()
    iren.Start()    
Exemple #4
0
def parse_trace(csv_comps, csv_lines):
    ''' Prase McStas trace output from stdin and write results
        to file objects csv_comps and csv_lines '''

    color = 0
    def out_point((p_x, p_y, p_z)):
        ''' Write a line to csv_lines '''
        csv_lines.write('%s, %s, %s, %s\n' % (p_x, p_y, p_z, color))

    # print headers
    csv_comps.write('name, x, y, z\n')
    csv_lines.write('x, y, z, c\n')

    # map from component name to (position, rotation matrix)
    comps = {}

    # active (position, rotation matrix)
    comp = (np.array([0, 0, 0]),
            np.array([1, 0, 0,
                      0, 1, 0,
                      0, 0, 1]).reshape(3,3))

    # previous neutron position
    prev = None
    skip = False
    # we are drawing a neutron
    active = False

    while True:
        # read line
        line = get_line()
        if not line:
            break

        # register components
        if line.startswith(UC_COMP):
            # grab info line
            info = get_line()
            assert info[:4] == 'POS:'
            nums = [x.strip() for x in info[4:].split(',')]
            # extract fields
            name = line[len(UC_COMP):].strip(' "\n')
            pos = np.array([float(x) for x in nums[:3]])
            # read flat 3x3 rotation matrix
            rot = np.array([float(x) for x in nums[3:3+9]]).reshape(3, 3)
            comps[name] = (pos, rot)
            csv_comps.write('%s, %s, %s, %s\n' % ((name,) + tuple(pos)))

        # switch perspective
        elif line.startswith(MC_COMP):
            color += 1
            comp = comps[line[len(MC_COMP) + 1:]]

        elif line.startswith(MC_COMP_SHORT):
            name = line[len(MC_COMP_SHORT) + 1:].strip('"')
            comp = comps[name]
            skip = True

        # process multiline
        elif line.startswith(MC_LINE):
            points = parse_multiline(line[len(MC_LINE):].strip('()'))
            start = points.pop(0)
            while points:
                end = points.pop(0)
                for point in (start, end):
                    out_point(rotate(point, comp))
                start = end

        # process circle
        elif line.startswith(MC_CIRCLE):
            xyz = 'xyz'
            items = line[len(MC_CIRCLE):].strip('()').split(',')
            # plane
            pla = [xyz.find(a) for a in items[0].strip("''")]
            # center and radius
            pos = [float(x) for x in items[1:4]]
            rad = float(items[4])
            draw_circle(pla, pos, rad, comp, out_point)

        # activate neutron when it enters
        elif line.startswith(MC_ENTER):
            prev = None
            skip = True
            active = True
            color += 1

        # deactivate neutron when it leaves
        elif line.startswith(MC_LEAVE):
            active = False

        elif line.startswith(MC_ABSORB):
            pass

        # register state and scatter
        elif line.startswith(MC_STATE) or line.startswith(MC_SCATTER):

            if not active:
                continue

            if skip:
                skip = False
                continue

            xyz = [float(x) for x in line[line.find(':')+1:].split(',')[:3]]
            xyz = rotate(xyz, comp)
            if prev is not None:
                out_point(prev)
                out_point(xyz)

            prev = xyz
Exemple #5
0
def parse_trace(csv_comps, csv_lines):
    ''' Prase McStas trace output from stdin and write results
        to file objects csv_comps and csv_lines '''

    color = 0

    def out_point((p_x, p_y, p_z)):
        ''' Write a line to csv_lines '''
        csv_lines.write('%s, %s, %s, %s\n' % (p_x, p_y, p_z, color))

    # print headers
    csv_comps.write('name, x, y, z\n')
    csv_lines.write('x, y, z, c\n')

    # map from component name to (position, rotation matrix)
    comps = {}

    # active (position, rotation matrix)
    comp = (np.array([0, 0, 0]), np.array([1, 0, 0, 0, 1, 0, 0, 0,
                                           1]).reshape(3, 3))

    # previous neutron position
    prev = None
    skip = False
    # we are drawing a neutron
    active = False

    while True:
        # read line
        line = get_line()
        if not line:
            break

        # register components
        if line.startswith(UC_COMP):
            # grab info line
            info = get_line()
            assert info[:4] == 'POS:'
            nums = [x.strip() for x in info[4:].split(',')]
            # extract fields
            name = line[len(UC_COMP):].strip(' "\n')
            pos = np.array([float(x) for x in nums[:3]])
            # read flat 3x3 rotation matrix
            rot = np.array([float(x) for x in nums[3:3 + 9]]).reshape(3, 3)
            comps[name] = (pos, rot)
            csv_comps.write('%s, %s, %s, %s\n' % ((name, ) + tuple(pos)))

        # switch perspective
        elif line.startswith(MC_COMP):
            color += 1
            comp = comps[line[len(MC_COMP) + 1:]]

        elif line.startswith(MC_COMP_SHORT):
            name = line[len(MC_COMP_SHORT) + 1:].strip('"')
            comp = comps[name]
            skip = True

        # process multiline
        elif line.startswith(MC_LINE):
            points = parse_multiline(line[len(MC_LINE):].strip('()'))
            start = points.pop(0)
            while points:
                end = points.pop(0)
                for point in (start, end):
                    out_point(rotate(point, comp))
                start = end

        # process circle
        elif line.startswith(MC_CIRCLE):
            xyz = 'xyz'
            items = line[len(MC_CIRCLE):].strip('()').split(',')
            # plane
            pla = [xyz.find(a) for a in items[0].strip("''")]
            # center and radius
            pos = [float(x) for x in items[1:4]]
            rad = float(items[4])
            draw_circle(pla, pos, rad, comp, out_point)

        # activate neutron when it enters
        elif line.startswith(MC_ENTER):
            prev = None
            skip = True
            active = True
            color += 1

        # deactivate neutron when it leaves
        elif line.startswith(MC_LEAVE):
            active = False

        elif line.startswith(MC_ABSORB):
            pass

        # register state and scatter
        elif line.startswith(MC_STATE) or line.startswith(MC_SCATTER):

            if not active:
                continue

            if skip:
                skip = False
                continue

            xyz = [float(x) for x in line[line.find(':') + 1:].split(',')[:3]]
            xyz = rotate(xyz, comp)
            if prev is not None:
                out_point(prev)
                out_point(xyz)

            prev = xyz
Exemple #6
0
def parse_trace(world, fp=sys.stdin, inspectComp=None):
    """ Prase McStas trace output from stdin and write result to output """

    color = 0

    # def out_point((p_x, p_y, p_z)):
    #     ''' Write a line to csv_lines '''
    #     csv_lines.write('%s, %s, %s, %s\n' % (p_x, p_y, p_z, color))

    # print headers
    # csv_comps.write('name, x, y, z\n')
    # csv_lines.write('x, y, z, c\n')

    # map from component name to (position, rotation matrix)
    comps = {}

    # active (position, rotation matrix)
    comp = (np.array([0, 0, 0]), np.array([1, 0, 0, 0, 1, 0, 0, 0, 1]).reshape(3, 3))
    compName = ""

    # we are following a neutron
    active = False
    # we need to draw the neutron (it passed the "check-point"/inspect component)
    inspect = False
    # list of observed neutron positions
    neutron = []
    # skip next neutron position
    skip = False
    # total count of drawed neutrons
    neutrons_drawed = 0

    while True:
        # read line
        line = get_line(fp)
        if line is None:
            break

        # register components
        if line.startswith(UC_COMP):
            # grab info line
            info = get_line(fp)
            assert info[:4] == "POS:"
            nums = [x.strip() for x in info[4:].split(",")]
            # extract fields
            name = line[len(UC_COMP) :].strip(' "\n')
            pos = np.array([float(x) for x in nums[:3]])
            # read flat 3x3 rotation matrix
            rot = np.array([float(x) for x in nums[3 : 3 + 9]]).reshape(3, 3)
            comps[name] = (pos, rot)
            # csv_comps.write('%s, %s, %s, %s\n' % ((name,) + tuple(pos)))

        # switch perspective
        elif line.startswith(MC_COMP):
            color += 1
            name = line[len(MC_COMP) + 1 :].strip()
            compName = name
            comp = comps[name]

        elif line.startswith(MC_COMP_SHORT):
            name = line[len(MC_COMP_SHORT) + 1 :].strip('"')
            compName = name
            comp = comps[name]
            skip = True

        # process multiline
        elif line.startswith(MC_LINE):
            points = parse_multiline(line[len(MC_LINE) :].strip("()"))
            world.drawLine((rotate(p, comp) for p in points), color=getColor(color))

        # process circle
        elif line.startswith(MC_CIRCLE):
            xyz = "xyz"
            items = line[len(MC_CIRCLE) :].strip("()").split(",")
            # plane
            pla = [xyz.find(a) for a in items[0].strip("''")]
            # center and radius
            pos = [float(x) for x in items[1:4]]
            rad = float(items[4])
            points = draw_circle(pla, pos, rad, comp)
            world.drawLine(points, color=getColor(color))

        # activate neutron when it enters
        elif line.startswith(MC_ENTER):
            neutron = []
            skip = True
            active = True
            inspect = False
            color += 1

        # deactivate neutron when it leaves
        elif line.startswith(MC_LEAVE) or line.startswith(MC_ABSORB):
            active = False
            if inspectComp is None or inspect:
                world.drawLine(neutron, color="1 0 0")
                neutrons_drawed += 1

        # register state and scatter
        elif line.startswith(MC_STATE) or line.startswith(MC_SCATTER):

            if not active:
                continue

            if skip:
                skip = False
                continue

            if inspectComp and inspectComp == compName:
                # We will draw this neutron!
                inspect = True

            # keep track of points the neutron passes through
            xyz = [float(x) for x in line[line.find(":") + 1 :].split(",")[:3]]
            xyz = rotate(xyz, comp)
            neutron.append(xyz)

    print "Neutrons drawed:", neutrons_drawed, (inspectComp and "(reaching %s)" % inspectComp or "(all)")
    return world
Exemple #7
0
def parse_trace(world, fp=sys.stdin, inspectComp=None):
    ''' Prase McStas trace output from stdin and write result to output '''

    color = 0

    # def out_point((p_x, p_y, p_z)):
    #     ''' Write a line to csv_lines '''
    #     csv_lines.write('%s, %s, %s, %s\n' % (p_x, p_y, p_z, color))

    # print headers
    # csv_comps.write('name, x, y, z\n')
    # csv_lines.write('x, y, z, c\n')

    # map from component name to (position, rotation matrix)
    comps = {}

    # active (position, rotation matrix)
    comp = (np.array([0, 0, 0]), np.array([1, 0, 0, 0, 1, 0, 0, 0,
                                           1]).reshape(3, 3))
    compName = ""

    # we are following a neutron
    active = False
    # we need to draw the neutron (it passed the "check-point"/inspect component)
    inspect = False
    # list of observed neutron positions
    neutron = []
    # skip next neutron position
    skip = False
    # total count of drawed neutrons
    neutrons_drawed = 0

    while True:
        # read line
        line = get_line(fp)
        if line is None:
            break

        # register components
        if line.startswith(UC_COMP):
            # grab info line
            info = get_line(fp)
            assert info[:4] == 'POS:'
            nums = [x.strip() for x in info[4:].split(',')]
            # extract fields
            name = line[len(UC_COMP):].strip(' "\n')
            pos = np.array([float(x) for x in nums[:3]])
            # read flat 3x3 rotation matrix
            rot = np.array([float(x) for x in nums[3:3 + 9]]).reshape(3, 3)
            comps[name] = (pos, rot)
            # csv_comps.write('%s, %s, %s, %s\n' % ((name,) + tuple(pos)))

        # switch perspective
        elif line.startswith(MC_COMP):
            color += 1
            name = line[len(MC_COMP) + 1:].strip()
            compName = name
            comp = comps[name]

        elif line.startswith(MC_COMP_SHORT):
            name = line[len(MC_COMP_SHORT) + 1:].strip('"')
            compName = name
            comp = comps[name]
            skip = True

        # process multiline
        elif line.startswith(MC_LINE):
            points = parse_multiline(line[len(MC_LINE):].strip('()'))
            world.drawLine((rotate(p, comp) for p in points),
                           color=getColor(color))

        # process circle
        elif line.startswith(MC_CIRCLE):
            xyz = 'xyz'
            items = line[len(MC_CIRCLE):].strip('()').split(',')
            # plane
            pla = [xyz.find(a) for a in items[0].strip("''")]
            # center and radius
            pos = [float(x) for x in items[1:4]]
            rad = float(items[4])
            points = draw_circle(pla, pos, rad, comp)
            world.drawLine(points, color=getColor(color))

        # activate neutron when it enters
        elif line.startswith(MC_ENTER):
            neutron = []
            skip = True
            active = True
            inspect = False
            color += 1

        # deactivate neutron when it leaves
        elif line.startswith(MC_LEAVE) or line.startswith(MC_ABSORB):
            active = False
            if inspectComp is None or inspect:
                world.drawLine(neutron, color="1 0 0")
                neutrons_drawed += 1

        # register state and scatter
        elif line.startswith(MC_STATE) or line.startswith(MC_SCATTER):

            if not active:
                continue

            if skip:
                skip = False
                continue

            if inspectComp and inspectComp == compName:
                # We will draw this neutron!
                inspect = True

            # keep track of points the neutron passes through
            xyz = [float(x) for x in line[line.find(':') + 1:].split(',')[:3]]
            xyz = rotate(xyz, comp)
            neutron.append(xyz)

    print('Neutrons drawed:', neutrons_drawed,
          (inspectComp and '(reaching %s)' % inspectComp or '(all)'))
    return world
Exemple #8
0
def parse_trace():
    ''' Parse McStas trace output from stdin and write results
        to file objects csv_comps and csv_lines '''

    mpl.rcParams['legend.fontsize'] = 10

    fig = plt.figure(figsize=plt.figaspect(0.5) * 1.5)
    ax = fig.gca(projection='3d')
    ax.set_xlabel("z")
    ax.set_ylabel("x")
    ax.set_zlabel("y")
    ax.set_aspect('equal')
    #    ax.autoscale_view(scalex=False, scaley=False, scalez=False)
    color = 0

    # map from component name to (position, rotation matrix)
    comps = {}

    # active (position, rotation matrix)
    comp = (np.array([0, 0, 0]), np.array([1, 0, 0, 0, 1, 0, 0, 0,
                                           1]).reshape(3, 3))

    # previous neutron position
    prev = None
    skip = False
    # we are drawing a neutron
    active = False
    xstate = []
    ystate = []
    zstate = []

    while True:
        # read line
        line = get_line()
        if not line:
            break

        # register components
        if line.startswith(UC_COMP):
            # grab info line
            info = get_line()
            assert info[:4] == 'POS:'
            nums = [x.strip() for x in info[4:].split(',')]
            # extract fields
            name = line[len(UC_COMP):].strip(' "\n')
            pos = np.array([float(x) for x in nums[:3]])
            # read flat 3x3 rotation matrix
            rot = np.array([float(x) for x in nums[3:3 + 9]]).reshape(3, 3)
            comps[name] = (pos, rot)

        # switch perspective
        elif line.startswith(MC_COMP):
            color += 1
            comp = comps[line[len(MC_COMP) + 1:]]

        elif line.startswith(MC_COMP_SHORT):
            name = line[len(MC_COMP_SHORT) + 1:].strip('"')
            comp = comps[name]
            skip = True

        # process multiline
        elif line.startswith(MC_LINE):
            points = parse_multiline(line[len(MC_LINE):].strip('()'))
            start = points.pop(0)
            (x, y, z) = rotate_points(points, comp)
            ax.plot(z, x, y)

        # process circle
        elif line.startswith(MC_CIRCLE):
            xyz = 'xyz'
            items = line[len(MC_CIRCLE):].strip('()').split(',')
            # plane
            pla = [xyz.find(a) for a in items[0].strip("''")]
            # center and radius
            pos = [float(x) for x in items[1:4]]
            rad = float(items[4])
            (x, y, z) = draw_circle(pla, pos, rad, comp)
            ax.plot(z, x, y)

        # activate neutron when it enters
        elif line.startswith(MC_ENTER):
            prev = None
            skip = True
            active = True
            color = 0
            xstate = []
            ystate = []
            zstate = []

        # deactivate neutron when it leaves
        elif line.startswith(MC_LEAVE):
            ax.plot(zstate, xstate, ystate)
            active = False
            prev = None

        elif line.startswith(MC_ABSORB):
            pass

        # register state and scatter
        elif line.startswith(MC_STATE) or line.startswith(MC_SCATTER):

            if not active:
                continue

            if skip:
                skip = False
                continue

            xyz = [float(x) for x in line[line.find(':') + 1:].split(',')[:3]]
            xyz = rotate(xyz, comp)
            if prev is not None:
                xstate.append(xyz[0])
                ystate.append(xyz[1])
                zstate.append(xyz[2])
            prev = xyz
            xstate.append(prev[0])
            ystate.append(prev[1])
            zstate.append(prev[2])

        # kick out legacy "junk"
        elif line.startswith(MC_MAGNIFY) or line.startswith(
                MC_START) or line.startswith(MC_END) or line.startswith(
                    MC_STOP):
            continue
        else:
            print(line)

    # A little bit of logic for controlling the aspect ratios/view
    (xmin, xmax) = ax.get_xlim3d()
    (ymin, ymax) = ax.get_ylim3d()
    (zmin, zmax) = ax.get_zlim3d()
    dx = xmax - xmin
    dy = ymax - ymin
    dz = zmax - zmin
    dmax = max(dx, dy, dz)

    # Check ranges and define axis box of max length cubed
    if dmax > dx:
        mean = (xmax + xmin) / 2
        xmin = mean - dmax / 2
        xmax = mean + dmax / 2
    if dmax > dy:
        mean = (ymax + ymin) / 2
        ymin = mean - dmax / 2
        ymax = mean + dmax / 2
    if dmax > dz:
        mean = (zmax + zmin) / 2
        zmin = mean - dmax / 2
        zmax = mean + dmax / 2

    # Set new axis limits
    ax.set_xlim3d(xmin, xmax)
    ax.set_ylim3d(ymin, ymax)
    ax.set_zlim3d(zmin, zmax)

    plt.show()