class LinePlotUI(HasTraits):
# Line data source
line_data_source = Instance(LineDataSource)
# container for all plots
container = Instance(HPlotContainer)
# Plot components within this container
line_plot = Instance(Plot)
# Plot data
pd = Instance(ArrayPlotData)
# Traits view definitions:
traits_view = View(Group(
UItem('container', editor=ComponentEditor(size=(500, 200)))),
resizable=True)
# -------------------------------------------------------------------------
# Private Traits
# -------------------------------------------------------------------------
# -------------------------------------------------------------------------
# Public View interface
# -------------------------------------------------------------------------
def __init__(self, line_data_source=None):
super(LinePlotUI, self).__init__()
with errstate(invalid='ignore'):
self.create_plot()
self.line_data_source = line_data_source
def create_plot(self):
self.pd = ArrayPlotData(line_index=array([]), line_value=array([]))
# Create the colormapped scalar plot
self.line_plot = Plot(self.pd)
self.line_plot.plot(("line_index", "line_value"), type="line")
# Create a container and add components
self.container = HPlotContainer()
self.container.add(self.line_plot)
@on_trait_change('line_data_source.data_source_changed')
def update(self):
xs = self.line_data_source.xs
ys = self.line_data_source.ys
self.pd.update(line_index=xs, line_value=ys)
self.container.invalidate_draw()
self.container.request_redraw()
class MandelbrotPlot(HasTraits):
"""View and Controller for the Mandelbrot Plot interface."""
mandelbrot_model_view = View(
VGroup(
HGroup(
Item("use_multiprocessing", label="multiprocessing?"),
Item("number_of_processors", label="processors"),
label="multiprocessing",
show_border=True,
),
VGroup(
Item("max_iterations"),
Item("x_steps"),
Item("y_steps"),
label="calculation",
show_border=True,
),
),
buttons=OKCancelButtons,
kind="modal",
resizable=True,
title="Mandelbrot calculation settings",
icon=None,
)
traits_view = View(
VGroup(
HGroup(
Item("mandelbrot_model", show_label=False),
Item("colormap"),
Item("reset_button", show_label=False),
),
Item("container", editor=ComponentEditor(), show_label=False),
orientation="vertical",
),
resizable=True,
title="mandelbrot",
)
mandelbrot_model = Instance(MandelbrotModel, view=mandelbrot_model_view)
container = Instance(HPlotContainer)
colormap = Enum(colormaps)
reset_button = Button(label="reset")
_initial_region = (-2.25, 0.75, -1.25, 1.25)
_plot_data = ArrayPlotData()
_plot_object = Plot(_plot_data)
def __init__(self, *args, **kwargs):
"""Instantiates the mandelbrot model and necessary objects for the view/controller."""
super().__init__(*args, **kwargs)
self.mandelbrot_model = MandelbrotModel()
self._update_with_initial_plot_data()
self.image_plot = self._create_image_plot()
self.container = HPlotContainer(padding=10,
fill_padding=True,
bgcolor="white",
use_backbuffer=True)
self.container.add(self._plot_object)
self._fix_aspect_ratio()
self._colormap_changed()
self._append_tools()
def _create_image_plot(self):
"""Return a Chaco image plot from the plot object referencing the ArrayPlotData fields."""
return self._plot_object.img_plot("mandelbrot",
xbounds="x_bounds",
ybounds="y_bounds")[0]
def _fix_aspect_ratio(self):
"""Fix the aspect ratio of the container."""
x_width = (self.mandelbrot_model.latest_xs[-1] -
self.mandelbrot_model.latest_xs[0])
y_width = (self.mandelbrot_model.latest_ys[-1] -
self.mandelbrot_model.latest_ys[0])
self.container.aspect_ratio = x_width / y_width
def _update_plot_data(self, mandelbrot_C: numpy.ndarray) -> None:
"""Update the plot_data attribute with passed values.
Updates the main 2d-array data with mandelbrot_C values
Updates the x bounds and y bounds of the image with the latest values
stored on the mandelbrot model.
:param mandelbrot_C:
"""
self._plot_data.set_data("mandelbrot", mandelbrot_C)
self._plot_data.set_data("x_bounds", self.mandelbrot_model.latest_xs)
self._plot_data.set_data("y_bounds", self.mandelbrot_model.latest_ys)
if hasattr(self, "image_plot"):
self.image_plot.index.set_data(
xdata=self.mandelbrot_model.latest_xs,
ydata=self.mandelbrot_model.latest_ys,
)
def _append_tools(self):
"""Add tools to the necessary components."""
zoom = RecalculatingZoomTool(
self._zoom_recalculation_method,
component=self.image_plot,
tool_mode="box",
always_on=True,
)
self.image_plot.overlays.append(zoom)
def _zoom_recalculation_method(self, mins: Tuple[float, float],
maxs: Tuple[float, float]):
"""Callable for the RecalculatingZoomTool to recalculate/display the mandelbrot set on zoom events.
:param mins: min positions in selected zoom range
:param maxs: max positions in selected zoom range
:return:
"""
min_x, max_x = mins[0], maxs[0]
min_y, max_y = mins[1], maxs[1]
mandelbrot_C = self._recalculate_mandelbrot(min_x, max_x, min_y, max_y)
self._update_plot_data(mandelbrot_C)
self.container.invalidate_draw()
self.container.request_redraw()
self._fix_aspect_ratio()
def _recalculate_mandelbrot(self, min_x: float, max_x: float, min_y: float,
max_y: float) -> numpy.ndarray:
"""Recalculate the mandelbrot set for a given region.
:param min_x:
:param max_x:
:param min_y:
:param max_y:
:return:
"""
z = self.mandelbrot_model.create_initial_array(min_x, max_x, min_y,
max_y)
return self.mandelbrot_model.calculate_mandelbrot(z[:-1, :-1])
def _mandelbrot_model_changed(self):
"""Method automatically called by Traits when mandelbrot_model attribute changes.
Recalculates the mandelbrot set for the current range.
"""
if self.mandelbrot_model.latest_xs is None:
return
min_x, max_x = (
self.mandelbrot_model.latest_xs[-1],
self.mandelbrot_model.latest_xs[0],
)
min_y, max_y = (
self.mandelbrot_model.latest_ys[-1],
self.mandelbrot_model.latest_ys[0],
)
mandelbrot_C = self._recalculate_mandelbrot(min_x, max_x, min_y, max_y)
self._update_plot_data(mandelbrot_C)
self.container.invalidate_draw()
self.container.request_redraw()
self._fix_aspect_ratio()
def _colormap_changed(self):
"""Method automatically called by Traits when colormap attribute changes.
Updates the color map for the image plot with the selected colormap.
"""
self._cmap = default_colormaps.color_map_name_dict[self.colormap]
if self.image_plot is not None:
value_range = self.image_plot.color_mapper.range
self.image_plot.color_mapper = self._cmap(value_range)
self.container.request_redraw()
def _reset_button_fired(self):
"""Method automatically called by Traits when reset_button fired.
Resets to the initial range and recalculates the plot.
"""
self._update_with_initial_plot_data()
self._fix_aspect_ratio()
def _update_with_initial_plot_data(self):
"""Creates the initial mesh-grid and mandelbrot values on the grid."""
self._initial_z_array = self.mandelbrot_model.create_initial_array(
*self._initial_region)
mandelbrot_C = self.mandelbrot_model.calculate_mandelbrot(
self._initial_z_array[:-1, :-1])
self._update_plot_data(mandelbrot_C)
class ImageGUI(HasTraits):
# TO FIX : put here the last available shot
#shot = File('L:\\data\\app3\\2011\\1108\\110823\\column_5200.ascii')
#shot = File('/home/pmd/atomcool/lab/data/app3/2012/1203/120307/column_3195.ascii')
#-- Shot traits
shotdir = Directory('/home/pmd/atomcool/lab/data/app3/2012/1203/120320/')
shots = List(Str)
selectedshot = List(Str)
namefilter = Str('column')
#-- Report trait
report = Str
#-- Displayed analysis results
number = Float
#-- Column density plot container
column_density = Instance(HPlotContainer)
#---- Plot components within this container
imgplot = Instance(CMapImagePlot)
cross_plot = Instance(Plot)
cross_plot2 = Instance(Plot)
colorbar = Instance(ColorBar)
#---- Plot data
pd = Instance(ArrayPlotData)
#---- Colorbar
num_levels = Int(15)
colormap = Enum(color_map_name_dict.keys())
#-- Crosshair location
cursor = Instance(BaseCursorTool)
xy = DelegatesTo('cursor', prefix='current_position')
xpos = Float(0.)
ypos = Float(0.)
xpos_read = Float(0.)
ypos_read = Float(0.)
cursor_group = Group( Group(Item('xpos', show_label=True),
Item('xpos_read', show_label=False, style="readonly"),
orientation='horizontal'),
Group(Item('ypos', show_label=True),
Item('ypos_read', show_label=False, style="readonly"),
orientation='horizontal'),
orientation='vertical', layout='normal',springy=True)
#---------------------------------------------------------------------------
# Traits View Definitions
#---------------------------------------------------------------------------
traits_view = View(
Group(
#Directory
Item( 'shotdir',style='simple', editor=DirectoryEditor(), width = 400, \
show_label=False, resizable=False ),
#Bottom
HSplit(
#-- Pane for shot selection
Group(
Item( 'namefilter', show_label=False,springy=False),
Item( 'shots',show_label=False, width=180, height= 360, \
editor = TabularEditor(selected='selectedshot',\
editable=False,multi_select=True,\
adapter=SelectAdapter()) ),
cursor_group,
orientation='vertical',
layout='normal', ),
#-- Pane for column density plots
Group(
Item('column_density',editor=ComponentEditor(), \
show_label=False, width=600, height=500, \
resizable=True ),
Item('report',show_label=False, width=180, \
springy=True, style='custom' ),
layout='tabbed', springy=True),
#-- Pane for analysis results
Group(
Item('number',show_label=False)
)
),
orientation='vertical',
layout='normal',
),
width=1400, height=500, resizable=True)
#-- Pop-up view when Plot->Edit is selcted from the menu
plot_edit_view = View(
Group(Item('num_levels'),
Item('colormap')),
buttons=["OK","Cancel"])
#---------------------------------------------------------------------------
# Private Traits
#---------------------------------------------------------------------------
#-- Represents the region where the data set is defined
_image_index = Instance(GridDataSource)
#-- Represents the data that will be plotted on the grid
_image_value = Instance(ImageData)
#-- Represents the color map that will be used
_cmap = Trait(jet, Callable)
#---------------------------------------------------------------------------
# Public View interface
#---------------------------------------------------------------------------
def __init__(self, *args, **kwargs):
#-- super is used to run the inherited __init__ method
#-- this ensures that all the Traits machinery is properly setup
#-- even though the __init__ method is overridden
super(ImageGUI, self).__init__(*args, **kwargs)
#-- after running the inherited __init__, a plot is created
self.create_plot()
def create_plot(self):
#-- Create the index for the x an y axes and the range over
#-- which they vary
self._image_index = GridDataSource(array([]), array([]),
sort_order=("ascending","ascending"))
image_index_range = DataRange2D(self._image_index)
#-- I believe this is what allows tracking the mouse
self._image_index.on_trait_change(self._metadata_changed,
"metadata_changed")
#-- Create the image values and determine their range
self._image_value = ImageData(data=array([]), value_depth=1)
image_value_range = DataRange1D(self._image_value)
# Create the image plot
self.imgplot = CMapImagePlot( index=self._image_index,
value=self._image_value,
index_mapper=GridMapper(range=image_index_range),
color_mapper=self._cmap(image_value_range),)
# Add a left axis to the plot
left = PlotAxis(orientation='left',
title= "axial",
mapper=self.imgplot.index_mapper._ymapper,
component=self.imgplot)
self.imgplot.overlays.append(left)
# Add a bottom axis to the plot
bottom = PlotAxis(orientation='bottom',
title= "radial",
mapper=self.imgplot.index_mapper._xmapper,
component=self.imgplot)
self.imgplot.overlays.append(bottom)
# Add some tools to the plot
self.imgplot.tools.append(PanTool(self.imgplot,drag_button="right",
constrain_key="shift"))
self.imgplot.overlays.append(ZoomTool(component=self.imgplot,
tool_mode="box", always_on=False))
# Create a colorbar
cbar_index_mapper = LinearMapper(range=image_value_range)
self.colorbar = ColorBar(index_mapper=cbar_index_mapper,
plot=self.imgplot,
padding_top=self.imgplot.padding_top,
padding_bottom=self.imgplot.padding_bottom,
padding_right=40,
resizable='v',
width=30)
# Add a cursor
self.cursor = CursorTool( self.imgplot, drag_button="left", color="white")
# the cursor is a rendered component so it goes in the overlays list
self.imgplot.overlays.append(self.cursor)
# Create the two cross plots
self.pd = ArrayPlotData(line_index = array([]),
line_value = array([]),
scatter_index = array([]),
scatter_value = array([]),
scatter_color = array([]))
self.cross_plot = Plot(self.pd, resizable="h")
self.cross_plot.height = 100
self.cross_plot.padding = 20
self.cross_plot.plot(("line_index", "line_value"),
line_style="dot")
self.cross_plot.plot(("scatter_index","scatter_value","scatter_color"),
type="cmap_scatter",
name="dot",
color_mapper=self._cmap(image_value_range),
marker="circle",
marker_size=6)
self.cross_plot.index_range = self.imgplot.index_range.x_range
self.pd.set_data("line_index2", array([]))
self.pd.set_data("line_value2", array([]))
self.pd.set_data("scatter_index2", array([]))
self.pd.set_data("scatter_value2", array([]))
self.pd.set_data("scatter_color2", array([]))
self.cross_plot2 = Plot(self.pd, width = 140, orientation="v", resizable="v", padding=20, padding_bottom=160)
self.cross_plot2.plot(("line_index2", "line_value2"),
line_style="dot")
self.cross_plot2.plot(("scatter_index2","scatter_value2","scatter_color2"),
type="cmap_scatter",
name="dot",
color_mapper=self._cmap(image_value_range),
marker="circle",
marker_size=8)
self.cross_plot2.index_range = self.imgplot.index_range.y_range
# Create a container and add sub-containers and components
self.column_density = HPlotContainer(padding=40, fill_padding=True,
bgcolor = "white", use_backbuffer=False)
inner_cont = VPlotContainer(padding=0, use_backbuffer=True)
inner_cont.add(self.cross_plot)
self.imgplot.padding =20
inner_cont.add(self.imgplot)
self.column_density.add(self.colorbar)
self.column_density.add(inner_cont)
self.column_density.add(self.cross_plot2)
def update(self):
#print self.cursor.current_index
#self.cursor.current_position = 100.,100.
self.shots = self.populate_shot_list()
print self.selectedshot
imgdata, self.report = self.load_imagedata()
if imgdata is not None:
self.minz = imgdata.min()
self.maxz = imgdata.max()
self.colorbar.index_mapper.range.low = self.minz
self.colorbar.index_mapper.range.high = self.maxz
xs=numpy.linspace(0,imgdata.shape[0],imgdata.shape[0]+1)
ys=numpy.linspace(0,imgdata.shape[1],imgdata.shape[1]+1)
#print xs
#print ys
self._image_index.set_data(xs,ys)
self._image_value.data = imgdata
self.pd.set_data("line_index", xs)
self.pd.set_data("line_index2",ys)
self.column_density.invalidate_draw()
self.column_density.request_redraw()
def populate_shot_list(self):
try:
shot_list = os.listdir(self.shotdir)
fun = lambda x: iscol(x,self.namefilter)
shot_list = filter( fun, shot_list)
shot_list = sorted(shot_list)
except ValueError:
print " *** Not a valid directory path ***"
return shot_list
def load_imagedata(self):
try:
directory = self.shotdir
if self.selectedshot == []:
filename = self.shots[0]
else:
filename = self.selectedshot[0]
#shotnum = filename[filename.rindex('_')+1:filename.rindex('.ascii')]
shotnum = filename[:filename.index('_')]
except ValueError:
print " *** Not a valid path *** "
return None
# Set data path
# Prepare PlotData object
print "Loading file #%s from %s" % (filename,directory)
return import_data.load(directory,filename), import_data.load_report(directory,shotnum)
#---------------------------------------------------------------------------
# Event handlers
#---------------------------------------------------------------------------
def _selectedshot_changed(self):
print self.selectedshot
self.update()
def _shots_changed(self):
self.shots = self.populate_shot_list()
return
def _namefilter_changed(self):
self.shots = self.populate_shot_list()
return
def _xpos_changed(self):
self.cursor.current_position = self.xpos, self.ypos
def _ypos_changed(self):
self.cursor.current_position = self.xpos, self.ypos
def _metadata_changed(self):
self._xy_changed()
def _xy_changed(self):
self.xpos_read = self.cursor.current_index[0]
self.ypos_read = self.cursor.current_index[1]
#print self.cursor.current_index
""" This function takes out a cross section from the image data, based
on the cursor selections, and updates the line and scatter
plots."""
self.cross_plot.value_range.low = self.minz
self.cross_plot.value_range.high = self.maxz
self.cross_plot2.value_range.low = self.minz
self.cross_plot2.value_range.high = self.maxz
if True:
x_ndx, y_ndx = self.cursor.current_index
if y_ndx and x_ndx:
self.pd.set_data("line_value",
self._image_value.data[:,y_ndx])
self.pd.set_data("line_value2",
self._image_value.data[x_ndx,:])
xdata, ydata = self._image_index.get_data()
xdata, ydata = xdata.get_data(), ydata.get_data()
self.pd.set_data("scatter_index", array([ydata[y_ndx]]))
self.pd.set_data("scatter_index2", array([xdata[x_ndx]]))
self.pd.set_data("scatter_value",
array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_value2",
array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_color",
array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_color2",
array([self._image_value.data[y_ndx, x_ndx]]))
else:
self.pd.set_data("scatter_value", array([]))
self.pd.set_data("scatter_value2", array([]))
self.pd.set_data("line_value", array([]))
self.pd.set_data("line_value2", array([]))
def _colormap_changed(self):
self._cmap = color_map_name_dict[self.colormap]
if hasattr(self, "polyplot"):
value_range = self.polyplot.color_mapper.range
self.polyplot.color_mapper = self._cmap(value_range)
value_range = self.cross_plot.color_mapper.range
self.cross_plot.color_mapper = self._cmap(value_range)
# FIXME: change when we decide how best to update plots using
# the shared colormap in plot object
self.cross_plot.plots["dot"][0].color_mapper = self._cmap(value_range)
self.cross_plot2.plots["dot"][0].color_mapper = self._cmap(value_range)
self.column_density.request_redraw()
def _num_levels_changed(self):
if self.num_levels > 3:
self.polyplot.levels = self.num_levels
self.lineplot.levels = self.num_levels
class PlotUI(HasTraits):
# container for all plots
container = Instance(HPlotContainer)
# Plot components within this container:
polyplot = Instance(ContourPolyPlot)
lineplot = Instance(ContourLinePlot)
cross_plot = Instance(Plot)
cross_plot2 = Instance(Plot)
colorbar = Instance(ColorBar)
# plot data
pd = Instance(ArrayPlotData)
# view options
num_levels = Int(15)
colormap = Enum(colormaps)
#Traits view definitions:
traits_view = View(
Group(UItem('container', editor=ComponentEditor(size=(800,600)))),
resizable=True)
plot_edit_view = View(
Group(Item('num_levels'),
Item('colormap')),
buttons=["OK","Cancel"])
#---------------------------------------------------------------------------
# Private Traits
#---------------------------------------------------------------------------
_image_index = Instance(GridDataSource)
_image_value = Instance(ImageData)
_cmap = Trait(default_colormaps.jet, Callable)
#---------------------------------------------------------------------------
# Public View interface
#---------------------------------------------------------------------------
def __init__(self, *args, **kwargs):
super(PlotUI, self).__init__(*args, **kwargs)
# FIXME: 'with' wrapping is temporary fix for infinite range in initial
# color map, which can cause a distracting warning print. This 'with'
# wrapping should be unnecessary after fix in color_mapper.py.
with errstate(invalid='ignore'):
self.create_plot()
def create_plot(self):
# Create the mapper, etc
self._image_index = GridDataSource(array([]),
array([]),
sort_order=("ascending","ascending"))
image_index_range = DataRange2D(self._image_index)
self._image_index.on_trait_change(self._metadata_changed,
"metadata_changed")
self._image_value = ImageData(data=array([]), value_depth=1)
image_value_range = DataRange1D(self._image_value)
# Create the contour plots
self.polyplot = ContourPolyPlot(index=self._image_index,
value=self._image_value,
index_mapper=GridMapper(range=
image_index_range),
color_mapper=\
self._cmap(image_value_range),
levels=self.num_levels)
self.lineplot = ContourLinePlot(index=self._image_index,
value=self._image_value,
index_mapper=GridMapper(range=
self.polyplot.index_mapper.range),
levels=self.num_levels)
# Add a left axis to the plot
left = PlotAxis(orientation='left',
title= "y",
mapper=self.polyplot.index_mapper._ymapper,
component=self.polyplot)
self.polyplot.overlays.append(left)
# Add a bottom axis to the plot
bottom = PlotAxis(orientation='bottom',
title= "x",
mapper=self.polyplot.index_mapper._xmapper,
component=self.polyplot)
self.polyplot.overlays.append(bottom)
# Add some tools to the plot
self.polyplot.tools.append(PanTool(self.polyplot,
constrain_key="shift"))
self.polyplot.overlays.append(ZoomTool(component=self.polyplot,
tool_mode="box", always_on=False))
self.polyplot.overlays.append(LineInspector(component=self.polyplot,
axis='index_x',
inspect_mode="indexed",
write_metadata=True,
is_listener=True,
color="white"))
self.polyplot.overlays.append(LineInspector(component=self.polyplot,
axis='index_y',
inspect_mode="indexed",
write_metadata=True,
color="white",
is_listener=True))
# Add these two plots to one container
contour_container = OverlayPlotContainer(padding=20,
use_backbuffer=True,
unified_draw=True)
contour_container.add(self.polyplot)
contour_container.add(self.lineplot)
# Create a colorbar
cbar_index_mapper = LinearMapper(range=image_value_range)
self.colorbar = ColorBar(index_mapper=cbar_index_mapper,
plot=self.polyplot,
padding_top=self.polyplot.padding_top,
padding_bottom=self.polyplot.padding_bottom,
padding_right=40,
resizable='v',
width=30)
self.pd = ArrayPlotData(line_index = array([]),
line_value = array([]),
scatter_index = array([]),
scatter_value = array([]),
scatter_color = array([]))
self.cross_plot = Plot(self.pd, resizable="h")
self.cross_plot.height = 100
self.cross_plot.padding = 20
self.cross_plot.plot(("line_index", "line_value"),
line_style="dot")
self.cross_plot.plot(("scatter_index","scatter_value","scatter_color"),
type="cmap_scatter",
name="dot",
color_mapper=self._cmap(image_value_range),
marker="circle",
marker_size=8)
self.cross_plot.index_range = self.polyplot.index_range.x_range
self.pd.set_data("line_index2", array([]))
self.pd.set_data("line_value2", array([]))
self.pd.set_data("scatter_index2", array([]))
self.pd.set_data("scatter_value2", array([]))
self.pd.set_data("scatter_color2", array([]))
self.cross_plot2 = Plot(self.pd, width = 140, orientation="v",
resizable="v", padding=20, padding_bottom=160)
self.cross_plot2.plot(("line_index2", "line_value2"),
line_style="dot")
self.cross_plot2.plot(("scatter_index2",
"scatter_value2",
"scatter_color2"),
type="cmap_scatter",
name="dot",
color_mapper=self._cmap(image_value_range),
marker="circle",
marker_size=8)
self.cross_plot2.index_range = self.polyplot.index_range.y_range
# Create a container and add components
self.container = HPlotContainer(padding=40, fill_padding=True,
bgcolor = "white", use_backbuffer=False)
inner_cont = VPlotContainer(padding=0, use_backbuffer=True)
inner_cont.add(self.cross_plot)
inner_cont.add(contour_container)
self.container.add(self.colorbar)
self.container.add(inner_cont)
self.container.add(self.cross_plot2)
def update(self, model):
self.minz = model.minz
self.maxz = model.maxz
self.colorbar.index_mapper.range.low = self.minz
self.colorbar.index_mapper.range.high = self.maxz
self._image_index.set_data(model.xs, model.ys)
self._image_value.data = model.zs
self.pd.update_data(line_index=model.xs, line_index2=model.ys)
self.container.invalidate_draw()
self.container.request_redraw()
#---------------------------------------------------------------------------
# Event handlers
#---------------------------------------------------------------------------
def _metadata_changed(self, old, new):
""" This function takes out a cross section from the image data, based
on the line inspector selections, and updates the line and scatter
plots."""
self.cross_plot.value_range.low = self.minz
self.cross_plot.value_range.high = self.maxz
self.cross_plot2.value_range.low = self.minz
self.cross_plot2.value_range.high = self.maxz
if self._image_index.metadata.has_key("selections"):
x_ndx, y_ndx = self._image_index.metadata["selections"]
if y_ndx and x_ndx:
xdata, ydata = self._image_index.get_data()
xdata, ydata = xdata.get_data(), ydata.get_data()
self.pd.update_data(
line_value=self._image_value.data[y_ndx,:],
line_value2=self._image_value.data[:,x_ndx],
scatter_index=array([xdata[x_ndx]]),
scatter_index2=array([ydata[y_ndx]]),
scatter_value=array([self._image_value.data[y_ndx, x_ndx]]),
scatter_value2=array([self._image_value.data[y_ndx, x_ndx]]),
scatter_color=array([self._image_value.data[y_ndx, x_ndx]]),
scatter_color2=array([self._image_value.data[y_ndx, x_ndx]])
)
else:
self.pd.update_data({"scatter_value": array([]),
"scatter_value2": array([]), "line_value": array([]),
"line_value2": array([])})
def _colormap_changed(self):
self._cmap = default_colormaps.color_map_name_dict[self.colormap]
if self.polyplot is not None:
value_range = self.polyplot.color_mapper.range
self.polyplot.color_mapper = self._cmap(value_range)
value_range = self.cross_plot.color_mapper.range
self.cross_plot.color_mapper = self._cmap(value_range)
# FIXME: change when we decide how best to update plots using
# the shared colormap in plot object
self.cross_plot.plots["dot"
][0].color_mapper = self._cmap(value_range)
self.cross_plot2.plots["dot"
][0].color_mapper = self._cmap(value_range)
self.container.request_redraw()
def _num_levels_changed(self):
if self.num_levels > 3:
self.polyplot.levels = self.num_levels
self.lineplot.levels = self.num_levels
class PlotUI(HasTraits):
# container for all plots
container = Instance(HPlotContainer)
# Plot components within this container:
polyplot = Instance(ContourPolyPlot)
lineplot = Instance(ContourLinePlot)
cross_plot = Instance(Plot)
cross_plot2 = Instance(Plot)
colorbar = Instance(ColorBar)
# plot data
pd = Instance(ArrayPlotData)
# view options
num_levels = Int(15)
colormap = Enum(colormaps)
#Traits view definitions:
traits_view = View(
Group(UItem('container', editor=ComponentEditor(size=(800,600)))),
resizable=True)
plot_edit_view = View(
Group(Item('num_levels'),
Item('colormap')),
buttons=["OK","Cancel"])
#---------------------------------------------------------------------------
# Private Traits
#---------------------------------------------------------------------------
_image_index = Instance(GridDataSource)
_image_value = Instance(ImageData)
_cmap = Trait(default_colormaps.jet, Callable)
#---------------------------------------------------------------------------
# Public View interface
#---------------------------------------------------------------------------
def __init__(self, *args, **kwargs):
super(PlotUI, self).__init__(*args, **kwargs)
# FIXME: 'with' wrapping is temporary fix for infinite range in initial
# color map, which can cause a distracting warning print. This 'with'
# wrapping should be unnecessary after fix in color_mapper.py.
with errstate(invalid='ignore'):
self.create_plot()
def create_plot(self):
# Create the mapper, etc
self._image_index = GridDataSource(array([]),
array([]),
sort_order=("ascending","ascending"))
image_index_range = DataRange2D(self._image_index)
self._image_index.on_trait_change(self._metadata_changed,
"metadata_changed")
self._image_value = ImageData(data=array([]), value_depth=1)
image_value_range = DataRange1D(self._image_value)
# Create the contour plots
self.polyplot = ContourPolyPlot(index=self._image_index,
value=self._image_value,
index_mapper=GridMapper(range=
image_index_range),
color_mapper=\
self._cmap(image_value_range),
levels=self.num_levels)
self.lineplot = ContourLinePlot(index=self._image_index,
value=self._image_value,
index_mapper=GridMapper(range=
self.polyplot.index_mapper.range),
levels=self.num_levels)
# Add a left axis to the plot
left = PlotAxis(orientation='left',
title= "y",
mapper=self.polyplot.index_mapper._ymapper,
component=self.polyplot)
self.polyplot.overlays.append(left)
# Add a bottom axis to the plot
bottom = PlotAxis(orientation='bottom',
title= "x",
mapper=self.polyplot.index_mapper._xmapper,
component=self.polyplot)
self.polyplot.overlays.append(bottom)
# Add some tools to the plot
self.polyplot.tools.append(PanTool(self.polyplot,
constrain_key="shift"))
self.polyplot.overlays.append(ZoomTool(component=self.polyplot,
tool_mode="box", always_on=False))
self.polyplot.overlays.append(LineInspector(component=self.polyplot,
axis='index_x',
inspect_mode="indexed",
write_metadata=True,
is_listener=True,
color="white"))
self.polyplot.overlays.append(LineInspector(component=self.polyplot,
axis='index_y',
inspect_mode="indexed",
write_metadata=True,
color="white",
is_listener=True))
# Add these two plots to one container
contour_container = OverlayPlotContainer(padding=20,
use_backbuffer=True,
unified_draw=True)
contour_container.add(self.polyplot)
contour_container.add(self.lineplot)
# Create a colorbar
cbar_index_mapper = LinearMapper(range=image_value_range)
self.colorbar = ColorBar(index_mapper=cbar_index_mapper,
plot=self.polyplot,
padding_top=self.polyplot.padding_top,
padding_bottom=self.polyplot.padding_bottom,
padding_right=40,
resizable='v',
width=30)
self.pd = ArrayPlotData(line_index = array([]),
line_value = array([]),
scatter_index = array([]),
scatter_value = array([]),
scatter_color = array([]))
self.cross_plot = Plot(self.pd, resizable="h")
self.cross_plot.height = 100
self.cross_plot.padding = 20
self.cross_plot.plot(("line_index", "line_value"),
line_style="dot")
self.cross_plot.plot(("scatter_index","scatter_value","scatter_color"),
type="cmap_scatter",
name="dot",
color_mapper=self._cmap(image_value_range),
marker="circle",
marker_size=8)
self.cross_plot.index_range = self.polyplot.index_range.x_range
self.pd.set_data("line_index2", array([]))
self.pd.set_data("line_value2", array([]))
self.pd.set_data("scatter_index2", array([]))
self.pd.set_data("scatter_value2", array([]))
self.pd.set_data("scatter_color2", array([]))
self.cross_plot2 = Plot(self.pd, width = 140, orientation="v", resizable="v", padding=20, padding_bottom=160)
self.cross_plot2.plot(("line_index2", "line_value2"),
line_style="dot")
self.cross_plot2.plot(("scatter_index2","scatter_value2","scatter_color2"),
type="cmap_scatter",
name="dot",
color_mapper=self._cmap(image_value_range),
marker="circle",
marker_size=8)
self.cross_plot2.index_range = self.polyplot.index_range.y_range
# Create a container and add components
self.container = HPlotContainer(padding=40, fill_padding=True,
bgcolor = "white", use_backbuffer=False)
inner_cont = VPlotContainer(padding=0, use_backbuffer=True)
inner_cont.add(self.cross_plot)
inner_cont.add(contour_container)
self.container.add(self.colorbar)
self.container.add(inner_cont)
self.container.add(self.cross_plot2)
def update(self, model):
self.minz = model.minz
self.maxz = model.maxz
self.colorbar.index_mapper.range.low = self.minz
self.colorbar.index_mapper.range.high = self.maxz
self._image_index.set_data(model.xs, model.ys)
self._image_value.data = model.zs
self.pd.set_data("line_index", model.xs)
self.pd.set_data("line_index2", model.ys)
self.container.invalidate_draw()
self.container.request_redraw()
#---------------------------------------------------------------------------
# Event handlers
#---------------------------------------------------------------------------
def _metadata_changed(self, old, new):
""" This function takes out a cross section from the image data, based
on the line inspector selections, and updates the line and scatter
plots."""
self.cross_plot.value_range.low = self.minz
self.cross_plot.value_range.high = self.maxz
self.cross_plot2.value_range.low = self.minz
self.cross_plot2.value_range.high = self.maxz
if self._image_index.metadata.has_key("selections"):
x_ndx, y_ndx = self._image_index.metadata["selections"]
if y_ndx and x_ndx:
self.pd.set_data("line_value",
self._image_value.data[y_ndx,:])
self.pd.set_data("line_value2",
self._image_value.data[:,x_ndx])
xdata, ydata = self._image_index.get_data()
xdata, ydata = xdata.get_data(), ydata.get_data()
self.pd.set_data("scatter_index", array([xdata[x_ndx]]))
self.pd.set_data("scatter_index2", array([ydata[y_ndx]]))
self.pd.set_data("scatter_value",
array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_value2",
array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_color",
array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_color2",
array([self._image_value.data[y_ndx, x_ndx]]))
else:
self.pd.set_data("scatter_value", array([]))
self.pd.set_data("scatter_value2", array([]))
self.pd.set_data("line_value", array([]))
self.pd.set_data("line_value2", array([]))
def _colormap_changed(self):
self._cmap = default_colormaps.color_map_name_dict[self.colormap]
if self.polyplot is not None:
value_range = self.polyplot.color_mapper.range
self.polyplot.color_mapper = self._cmap(value_range)
value_range = self.cross_plot.color_mapper.range
self.cross_plot.color_mapper = self._cmap(value_range)
# FIXME: change when we decide how best to update plots using
# the shared colormap in plot object
self.cross_plot.plots["dot"][0].color_mapper = self._cmap(value_range)
self.cross_plot2.plots["dot"][0].color_mapper = self._cmap(value_range)
self.container.request_redraw()
def _num_levels_changed(self):
if self.num_levels > 3:
self.polyplot.levels = self.num_levels
self.lineplot.levels = self.num_levels
class ImagePlotUI(HasTraits):
# Image data source
image_data_source = Instance(ImageDataSource)
# container for all plots
container = Instance(HPlotContainer)
# Plot components within this container
plot = Instance(CMapImagePlot)
colorbar = Instance(ColorBar)
# View options
colormap = Enum(colormaps)
# Traits view definitions:
traits_view = View(Group(
UItem('container', editor=ComponentEditor(size=(500, 450)))),
resizable=True)
plot_edit_view = View(Group(Item('colormap')), buttons=["OK", "Cancel"])
# -------------------------------------------------------------------------
# Private Traits
# -------------------------------------------------------------------------
_image_index = Instance(GridDataSource)
_image_value = Instance(ImageData)
_cmap = Trait(default_colormaps.gray, Callable)
# -------------------------------------------------------------------------
# Public View interface
# -------------------------------------------------------------------------
def __init__(self, image_data_source=None):
super(ImagePlotUI, self).__init__()
with errstate(invalid='ignore'):
self.create_plot()
self.image_data_source = image_data_source
def create_plot(self):
# Create the mapper, etc
self._image_index = GridDataSource(array([]),
array([]),
sort_order=("ascending",
"ascending"))
image_index_range = DataRange2D(self._image_index)
# self._image_index.on_trait_change(self._metadata_changed,
# "metadata_changed")
self._image_value = ImageData(data=array([]), value_depth=1)
image_value_range = DataRange1D(self._image_value)
# Create the colormapped scalar plot
self.plot = CMapImagePlot(
index=self._image_index,
index_mapper=GridMapper(range=image_index_range),
value=self._image_value,
value_mapper=self._cmap(image_value_range))
# Add a left axis to the plot
left = PlotAxis(orientation='left',
title="y",
mapper=self.plot.index_mapper._ymapper,
component=self.plot)
self.plot.overlays.append(left)
# Add a bottom axis to the plot
bottom = PlotAxis(orientation='bottom',
title="x",
mapper=self.plot.index_mapper._xmapper,
component=self.plot)
self.plot.overlays.append(bottom)
# Add some tools to the plot
self.plot.tools.append(PanTool(self.plot, constrain_key="shift"))
self.plot.overlays.append(
ZoomTool(component=self.plot, tool_mode="box", always_on=False))
# Create a colorbar
cbar_index_mapper = LinearMapper(range=image_value_range)
self.colorbar = ColorBar(index_mapper=cbar_index_mapper,
plot=self.plot,
padding_top=self.plot.padding_top,
padding_bottom=self.plot.padding_bottom,
padding_right=40,
resizable='v',
width=10)
# Create a container and add components
self.container = HPlotContainer(padding=40,
fill_padding=True,
bgcolor="white",
use_backbuffer=False)
self.container.add(self.colorbar)
self.container.add(self.plot)
@on_trait_change('image_data_source.data_source_changed')
def update_plot(self):
xs = self.image_data_source.xs
ys = self.image_data_source.ys
zs = self.image_data_source.zs
self.colorbar.index_mapper.range.low = zs.min()
self.colorbar.index_mapper.range.high = zs.max()
self._image_index.set_data(xs, ys)
self._image_value.data = zs
self.container.invalidate_draw()
self.container.request_redraw()
# -------------------------------------------------------------------------
# Event handlers
# -------------------------------------------------------------------------
def _colormap_changed(self):
self._cmap = default_colormaps.color_map_name_dict[self.colormap]
if self.plot is not None:
value_range = self.plot.color_mapper.range
self.plot.color_mapper = self._cmap(value_range)
self.container.request_redraw()
class ImageGUI(HasTraits):
# TO FIX : put here the last available shot
shot = File("L:\\data\\app3\\2011\\1108\\110823\\column_5200.ascii")
# ---------------------------------------------------------------------------
# Traits View Definitions
# ---------------------------------------------------------------------------
traits_view = View(
HSplit(
Item(
"shot",
style="custom",
editor=FileEditor(filter=["column_*.ascii"]),
show_label=False,
resizable=True,
width=400,
),
Item("container", editor=ComponentEditor(), show_label=False, width=800, height=800),
),
width=1200,
height=800,
resizable=True,
title="APPARATUS 3 :: Analyze Images",
)
plot_edit_view = View(Group(Item("num_levels"), Item("colormap")), buttons=["OK", "Cancel"])
num_levels = Int(15)
colormap = Enum(color_map_name_dict.keys())
# ---------------------------------------------------------------------------
# Private Traits
# ---------------------------------------------------------------------------
_image_index = Instance(GridDataSource)
_image_value = Instance(ImageData)
_cmap = Trait(jet, Callable)
# ---------------------------------------------------------------------------
# Public View interface
# ---------------------------------------------------------------------------
def __init__(self, *args, **kwargs):
super(ImageGUI, self).__init__(*args, **kwargs)
self.create_plot()
def create_plot(self):
# Create the mapper, etc
self._image_index = GridDataSource(array([]), array([]), sort_order=("ascending", "ascending"))
image_index_range = DataRange2D(self._image_index)
self._image_index.on_trait_change(self._metadata_changed, "metadata_changed")
self._image_value = ImageData(data=array([]), value_depth=1)
image_value_range = DataRange1D(self._image_value)
# Create the image plot
self.imgplot = CMapImagePlot(
index=self._image_index,
value=self._image_value,
index_mapper=GridMapper(range=image_index_range),
color_mapper=self._cmap(image_value_range),
)
# Create the contour plots
# ~ self.polyplot = ContourPolyPlot(index=self._image_index,
# ~ value=self._image_value,
# ~ index_mapper=GridMapper(range=
# ~ image_index_range),
# ~ color_mapper=\
# ~ self._cmap(image_value_range),
# ~ levels=self.num_levels)
# ~ self.lineplot = ContourLinePlot(index=self._image_index,
# ~ value=self._image_value,
# ~ index_mapper=GridMapper(range=
# ~ self.polyplot.index_mapper.range),
# ~ levels=self.num_levels)
# Add a left axis to the plot
left = PlotAxis(
orientation="left", title="axial", mapper=self.imgplot.index_mapper._ymapper, component=self.imgplot
)
self.imgplot.overlays.append(left)
# Add a bottom axis to the plot
bottom = PlotAxis(
orientation="bottom", title="radial", mapper=self.imgplot.index_mapper._xmapper, component=self.imgplot
)
self.imgplot.overlays.append(bottom)
# Add some tools to the plot
# ~ self.polyplot.tools.append(PanTool(self.polyplot,
# ~ constrain_key="shift"))
self.imgplot.overlays.append(ZoomTool(component=self.imgplot, tool_mode="box", always_on=False))
self.imgplot.overlays.append(
LineInspector(
component=self.imgplot,
axis="index_x",
inspect_mode="indexed",
write_metadata=True,
is_listener=False,
color="white",
)
)
self.imgplot.overlays.append(
LineInspector(
component=self.imgplot,
axis="index_y",
inspect_mode="indexed",
write_metadata=True,
color="white",
is_listener=False,
)
)
# Add these two plots to one container
contour_container = OverlayPlotContainer(padding=20, use_backbuffer=True, unified_draw=True)
contour_container.add(self.imgplot)
# ~ contour_container.add(self.polyplot)
# ~ contour_container.add(self.lineplot)
# Create a colorbar
cbar_index_mapper = LinearMapper(range=image_value_range)
self.colorbar = ColorBar(
index_mapper=cbar_index_mapper,
plot=self.imgplot,
padding_top=self.imgplot.padding_top,
padding_bottom=self.imgplot.padding_bottom,
padding_right=40,
resizable="v",
width=30,
)
# Create the two cross plots
self.pd = ArrayPlotData(
line_index=array([]),
line_value=array([]),
scatter_index=array([]),
scatter_value=array([]),
scatter_color=array([]),
)
self.cross_plot = Plot(self.pd, resizable="h")
self.cross_plot.height = 100
self.cross_plot.padding = 20
self.cross_plot.plot(("line_index", "line_value"), line_style="dot")
self.cross_plot.plot(
("scatter_index", "scatter_value", "scatter_color"),
type="cmap_scatter",
name="dot",
color_mapper=self._cmap(image_value_range),
marker="circle",
marker_size=8,
)
self.cross_plot.index_range = self.imgplot.index_range.x_range
self.pd.set_data("line_index2", array([]))
self.pd.set_data("line_value2", array([]))
self.pd.set_data("scatter_index2", array([]))
self.pd.set_data("scatter_value2", array([]))
self.pd.set_data("scatter_color2", array([]))
self.cross_plot2 = Plot(self.pd, width=140, orientation="v", resizable="v", padding=20, padding_bottom=160)
self.cross_plot2.plot(("line_index2", "line_value2"), line_style="dot")
self.cross_plot2.plot(
("scatter_index2", "scatter_value2", "scatter_color2"),
type="cmap_scatter",
name="dot",
color_mapper=self._cmap(image_value_range),
marker="circle",
marker_size=8,
)
self.cross_plot2.index_range = self.imgplot.index_range.y_range
# Create a container and add components
self.container = HPlotContainer(padding=40, fill_padding=True, bgcolor="white", use_backbuffer=False)
inner_cont = VPlotContainer(padding=0, use_backbuffer=True)
inner_cont.add(self.cross_plot)
inner_cont.add(contour_container)
self.container.add(self.colorbar)
self.container.add(inner_cont)
self.container.add(self.cross_plot2)
def update(self):
imgdata = self.load_imagedata()
if imgdata is not None:
self.minz = imgdata.min()
self.maxz = imgdata.max()
self.colorbar.index_mapper.range.low = self.minz
self.colorbar.index_mapper.range.high = self.maxz
xs = numpy.linspace(0, imgdata.shape[0], imgdata.shape[0] + 1)
ys = numpy.linspace(0, imgdata.shape[1], imgdata.shape[1] + 1)
print xs
print ys
self._image_index.set_data(xs, ys)
self._image_value.data = imgdata
self.pd.set_data("line_index", xs)
self.pd.set_data("line_index2", ys)
self.container.invalidate_draw()
self.container.request_redraw()
def load_imagedata(self):
try:
dir = self.shot[self.shot.index(":\\") + 2 : self.shot.rindex("\\") + 1]
shotnum = self.shot[self.shot.rindex("_") + 1 : self.shot.rindex(".ascii")]
except ValueError:
print " *** Not a valid column density path *** "
return None
# Set data path
# Prepare PlotData object
print dir
print shotnum
return load(dir, shotnum)
# ---------------------------------------------------------------------------
# Event handlers
# ---------------------------------------------------------------------------
def _shot_changed(self):
self.update()
def _metadata_changed(self, old, new):
""" This function takes out a cross section from the image data, based
on the line inspector selections, and updates the line and scatter
plots."""
self.cross_plot.value_range.low = self.minz
self.cross_plot.value_range.high = self.maxz
self.cross_plot2.value_range.low = self.minz
self.cross_plot2.value_range.high = self.maxz
if self._image_index.metadata.has_key("selections"):
x_ndx, y_ndx = self._image_index.metadata["selections"]
if y_ndx and x_ndx:
self.pd.set_data("line_value", self._image_value.data[y_ndx, :])
self.pd.set_data("line_value2", self._image_value.data[:, x_ndx])
xdata, ydata = self._image_index.get_data()
xdata, ydata = xdata.get_data(), ydata.get_data()
self.pd.set_data("scatter_index", array([xdata[x_ndx]]))
self.pd.set_data("scatter_index2", array([ydata[y_ndx]]))
self.pd.set_data("scatter_value", array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_value2", array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_color", array([self._image_value.data[y_ndx, x_ndx]]))
self.pd.set_data("scatter_color2", array([self._image_value.data[y_ndx, x_ndx]]))
else:
self.pd.set_data("scatter_value", array([]))
self.pd.set_data("scatter_value2", array([]))
self.pd.set_data("line_value", array([]))
self.pd.set_data("line_value2", array([]))
def _colormap_changed(self):
self._cmap = color_map_name_dict[self.colormap]
if hasattr(self, "polyplot"):
value_range = self.polyplot.color_mapper.range
self.polyplot.color_mapper = self._cmap(value_range)
value_range = self.cross_plot.color_mapper.range
self.cross_plot.color_mapper = self._cmap(value_range)
# FIXME: change when we decide how best to update plots using
# the shared colormap in plot object
self.cross_plot.plots["dot"][0].color_mapper = self._cmap(value_range)
self.cross_plot2.plots["dot"][0].color_mapper = self._cmap(value_range)
self.container.request_redraw()
def _num_levels_changed(self):
if self.num_levels > 3:
self.polyplot.levels = self.num_levels
self.lineplot.levels = self.num_levels
