class Person(HasTraits):
implements(IName)
first_name = Str( 'John' )
last_name = Str( 'Doe' )
# Implementation of the 'IName' interface:
def get_name ( self ):
""" Returns the name of an object. """
return ('%s %s' % ( self.first_name, self.last_name ))
class CVolumeTreeNode(TreeNode):
# The object that contains the container ;^)
parent = Any
# the network associated with this node
node_for = [CVolume]
# a default icons
# Name of group item icon
icon_group = Str('volume.png')
# Name of leaf item icon
icon_item = Str('volume.png')
# Name of opened group item icon
icon_open = Str('volume.png')
# labels
label = 'dname'
###
# Private Traits
# activate / deactivate logic
# if the node is activated, this means that there exists a
# corresponding RenderManager instance
_VolumeVisualizer = Instance(
Action,
kw={
'name': 'Volume Slicer',
'action': 'object.vol_vis',
'tooltip': 'Invokes a simple Volume Slicer by Gael Varoquaux.',
'enabled_when': 'object.loaded == True'
},
)
# the menu shown after right-click
menu = Instance(Menu, transient=True)
def get_children(self, object):
""" Get the object's children. """
pass
######################################################################
# Non-public interface
######################################################################
def _menu_default(self):
""" Standard menus for network nodes """
menu_actions = [
Separator(),
]
return Menu(*menu_actions)
class CSurfaceTreeNode(TreeNode):
# The object that contains the container ;^)
parent = Any
# the network associated with this node
node_for = [CSurface]
# a default icons
# Name of group item icon
icon_group = Str('surface.png')
# Name of leaf item icon
icon_item = Str('surface.png')
# Name of opened group item icon
icon_open = Str('surface.png')
# labels
label = 'dname'
###
# Private Traits
# activate / deactivate logic
# if the node is activated, this means that there exists a
# corresponding RenderManager instance
_ShowName = Instance(
Action,
kw={
'name': 'Show name',
'action': 'object.show_name',
'tooltip': 'Shows the network name'
},
)
# the menu shown after right-click
menu = Instance(Menu, transient=True)
def get_children(self, object):
# this works!
return object.children
######################################################################
# Non-public interface
######################################################################
def _menu_default(self):
""" Standard menus for network nodes """
menu_actions = [Separator()]
return Menu(*menu_actions)
def __init__(self, **traits):
super(CSurfaceTreeNode, self).__init__(**traits)
class FilterAdderNode(ListAdderNode):
""" Tree node that presents a view to the user to add filters.
"""
# String to be shown in the TreeEditor.
label = Str('Add a processing filter')
# The icon of the displayed objects
icon_name = Str('filter.ico')
# A reference to the registry, to generate this list.
items_list_source = registry.filters
class CScriptTreeNode(TreeNode):
# The object that contains the container ;^)
parent = Any
# the network associated with this node
node_for = [CScript]
# a default icons
# Name of group item icon
icon_group = Str('script.png')
# Name of leaf item icon
icon_item = Str('script.png')
# Name of opened group item icon
icon_open = Str('script.png')
# labels
label = 'dname'
###
# Private Traits
# activate / deactivate logic
# if the node is activated, this means that there exists a
# corresponding RenderManager instance
_OpenFile = Instance(
Action,
kw={
'name': 'Open File in Editor',
'action': 'object.open_file',
'tooltip': 'Open the file in editor'
},
)
# the menu shown after right-click
menu = Instance(Menu, transient=True)
def get_children(self, object):
""" Get the object's children. """
pass
######################################################################
# Non-public interface
######################################################################
def _menu_default(self):
""" Standard menus for network nodes """
menu_actions = [Separator(), \
self._OpenFile]
return Menu(*menu_actions)
class aboutBox(HasTraits):
program = Str("pytimechart: linux traces exploration and visualization")
author = Str("Pierre Tardy <*****@*****.**>")
version = Str(__version__)
doc = Button(__doc__)
traits_view = View(Item("program", show_label=False, style="readonly"),
Item("author", style="readonly"),
Item("version", style="readonly"),
Item("doc"),
width=500,
title="about")
def _doc_changed(self, ign):
browse_doc()
class ExDesignSpec(HasTraits):
''' Specification of the experiment design.
Defines the parameters varied in the experiment design.
The parameters can be read from the file included in the design.
'''
factors = []
data_converters = {0: fcomma2fdot,
1: fcomma2fdot}
design_file = Str('exdesign_num.csv')
data_dir = Str('data')
data_file_name = " '%s %dnm %d.TRA' % (self.embedding, self.torque, self.rep_number ) "
class SubgraphTreeNode(BaseGraphTreeNode):
""" Defines a tree node for Subgraph.
"""
# Name to use for a new instance.
name = Str( "Subgraph" )
# List of object classes and/or interfaces that the node applies to.
node_for = [ Subgraph ]
# Name of group item icon.
icon_group = Str( "subgraph" )
# Name of opened group item icon.
icon_open = Str( "subgraph" )
class ClusterTreeNode(BaseGraphTreeNode):
""" Defines a tree node for Cluster.
"""
# Name to use for a new instance.
name = Str( "Cluster" )
# List of object classes and/or interfaces that the node applies to.
node_for = [ Cluster ]
# Name of group item icon.
icon_group = Str( "cluster" )
# Name of opened group item icon.
icon_open = Str( "cluster" )
class Foo(HasTraits):
s = Str('foo')
t = Str('foo.t')
def _s_changed(self, name, old, new):
print 'Foo._s_changed( %s, %s, %s, %s)' % (self, name, old, new)
global foo_s_handler_self
foo_s_handler_self = self
return
def _t_changed(self, name, old, new):
print 'Foo._t_changed( %s, %s, %s, %s)' % (self, name, old, new)
global foo_t_handler_self
foo_t_handler_self = self
return
class Demo(HasName):
x = Int
y = Int
z = Int(monitor=1) # 有元数据属性monitor的Int
inner = Instance(Inner)
alist = List(Int)
test1 = Str()
test2 = Str()
def _inner_default(self):
return Inner(name="inner1")
@on_trait_change("x,y,inner.[x,y],test+,+monitor,alist[]")
def event(self, obj, name, old, new):
print((obj, name, old, new))
class ProjPlotSpec(VMPlotSpec):
weight_field = Str("None")
none_field_list = Property(depends_on='field_list')
@cached_property
def _get_none_field_list(self):
return ["None"] + self.field_list
class DisplayShape(HasTraits):
"""
A display-able shape. This class wraps AIS.AIS_Shape.
Instances of this class are the root shape objects in the model
and are the things we actually visualise.
We could add visualisation traits to this object
"""
name = Str("an AIS shape")
input = Input
_input = List
ais_shape = Instance(AIS.AIS_Shape)
render = Event
def _input_changed(self, name, vold, vnew):
if vold is not None:
vold.on_trait_change(self.on_modified, "modified", remove=True)
vnew.on_trait_change(self.on_modified, "modified")
self._input = [vnew]
def on_modified(self, vnew):
if vnew is True:
shape = self.input.shape
self.ais_shape.Set(shape)
self.render = True
def _ais_shape_default(self):
return AIS.AIS_Shape(self.input.shape)
class Employee(HasTraits):
name = Str('<unknown>')
title = Str
phone = Regex(regex=r'\d\d\d-\d\d\d\d')
def default_title(self):
self.title = 'Senior Engineer'
class MetadataTest(HasTraits):
i = Int(99, myinfo="test my info")
s = Str("test", label=u"字符串")
# NumPy的数组
a = Array
# 元素为Int的列表
list = List(Int)
class ModuleAdderNode(ListAdderNode):
""" Tree node that presents a view to the user to add modules.
"""
# String to be shown in the TreeEditor.
label = Str('Add a visualization module')
# The icon of the displayed objects
icon_name = Str('module.ico')
# A reference to the registry, to generate this list.
items_list_source = registry.modules
def _object_changed(self, value):
if value is not None:
value.menu_helper._build_filter_actions()
ListAdderNode._object_changed(self, value)
class IView(IWorkbenchPart, IPerspectiveItem):
""" The interface for workbench views. """
# Is the view busy? (i.e., should the busy cursor (often an hourglass) be
# displayed?).
busy = Bool(False)
# The category that the view belongs to (this can used to group views when
# they are displayed to the user).
category = Str('General')
# An image used to represent the view to the user (shown in the view tab
# and in the view chooser etc).
image = Instance(ImageResource)
# Whether the view is visible or not.
visible = Bool(False)
###########################################################################
# 'IView' interface.
###########################################################################
def activate(self):
""" Activate the view.
"""
def hide(self):
""" Hide the view.
"""
def show(self):
""" Show the view.
class Frame(HasTraits):
parent = This
T = Instance(Expression)
name = Str("")
variables = DelegatesTo('parent')
traits_view = View(Item(name='name'),
Item(name='parent',
label='Base',
editor=InstanceEditor(label="Frame")),
Item(name='T', label='Matrix4x4', style='custom'),
title='Frame properties')
def evalT(self):
if self.T.get_curr_value() != None and self.parent.evalT() != None:
return self.parent.evalT() * self.T.get_curr_value()
else:
return None
def __init__(self, parent, T, name=""):
self.name = name
self.parent = parent
if isinstance(T, Expression):
self.T = T
else:
self.T = self.variables.new_expression(T)
class LabelMapping(HasTraits):
label_trait = Str("name")
diagram_label = Instance(HasTraits)
node_mapping = Instance(HasTraits)
class NewModelSelector(HasTraits):
modelnames = List
selectedname = Str('No Model')
modelargnum = Int(2)
selectedmodelclass = Property
isvarargmodel = Property(depends_on='modelnames')
traits_view = View(Item('selectedname',label='Model Name:',editor=EnumEditor(name='modelnames')),
Item('modelargnum',label='Extra Parameters:',enabled_when='isvarargmodel'),
buttons=['OK','Cancel'])
def __init__(self,include_models=None,exclude_models=None,**traits):
super(NewModelSelector,self).__init__(**traits)
self.modelnames = list_models(include_models,exclude_models,FunctionModel1D)
self.modelnames.insert(0,'No Model')
self.modelnames.sort()
def _get_selectedmodelclass(self):
n = self.selectedname
if n == 'No Model':
return None
else:
return get_model_class(n)
def _get_isvarargmodel(self):
cls = self.selectedmodelclass
if cls is None:
return False
else:
return cls.isVarnumModel()
class JobySimDecoder(DataDecoder):
"""
Decodes lines of text formatted using a simple format.
"""
name = Str('JobySim Decoder')
view = View(
title='JobySim decoder'
)
_sub_re = re.compile('\W+')
_names = List()
def decode(self, data):
"""
Decodes input from the Joby Simulator.
"""
if data[0] == '#':
# list of names
self._names = [self._sub_re.sub('_', name) for name in data[1:].split('!')]
print "JobySimDecoder got names:", self._names
return None
vals = map(eval, data.split('!'))
d = dict(zip(self._names, vals))
return d
class TVTKClass(TreeNodeObject):
children = List()
name = Str("node")
doc = Code
Classes = {}
def __init__(self, **traits):
super(TVTKClass, self).__init__(**traits)
TVTKClass.Classes[self.name] = self
def _get_children(self):
try:
subclass_names = SubClasses[self.name]["subclass"]
subclass_names.sort()
return [TVTKClass(name=t) for t in subclass_names]
except:
return []
def _name_changed(self):
#self.doc = get_tvtk_class_doc(getattr(tvtk, self.name))
self.doc = SubClasses[self.name]["doc"]
self.children = self._get_children()
def tno_get_children(self, node):
return self.children
class LcmDecoder(DataDecoder):
"""
Decodes lines of text formatted using a simple format.
"""
name = Str('LCM Decoder')
view = View(title='LCM Decoder')
_sub_re = re.compile('\W+')
_names = List()
def decode(self, data):
"""
Decodes input from LCM messages.
"""
# if data[0] == '#':
# # list of names
# self._names = [self._sub_re.sub('_', name) for name in data[1:].split('!')]
# print "JobySimDecoder got names:", self._names
# return None
#
# vals = map(eval, data.split('!'))
# d = dict(zip(self._names, vals))
# return d
# print data
return data
class Parameter(HasTraits):
"""Defines parameter for FitFunction
>>> p = Parameter(name = 'a', value = 10.)
>>> p.name
'a'
>>> p.value
10.0
"""
#: parameter name
name = Str()
#: actual value
value = Float(1.)
#: a string representation of value
value_str = Property(depends_on='value')
#: sigma of fitted parameter
sigma = Float(0.)
#: a string representation of sigma
sigma_str = Property(depends_on='sigma')
#: whether it is treated as a constant
is_constant = Bool(False)
def _is_constant_changed(self, value):
if value == True:
self.sigma = 0.
def _get_sigma_str(self):
return ' +/- %f ' % self.sigma
def _get_value_str(self):
return ' %f ' % self.value
class RemapDemo(HasTraits):
surf_func = Str()
func_list = List([
"np.sqrt(8- x**2 - y**2)",
"np.sin(6*np.sqrt(x**2+y**2))",
"np.sin(6*x)",
"np.sin(6*y)",
"np.sin(np.sqrt(x**2+y**2))/np.sqrt(x**2+y**2)",
])
range = Range(1.0, 100.0)
view_height = Range(1.0, 50.0, 10.0)
grid = Bool(True)
view = View(Item("surf_func",
label="曲面函数",
editor=EnumEditor(name="func_list",
auto_set=False,
evaluate=lambda x: x)),
Item("range", label="曲面范围"),
Item("view_height", label="视点高度"),
Item("grid", label="显示网格"),
title="Remap Demo控制面板")
def __init__(self, *args, **kwargs):
super(RemapDemo, self).__init__(*args, **kwargs)
self.img = cv.imread("lena.jpg")
self.size = self.img.size()
self.w, self.h = self.size.width, self.size.height
self.dstimg = cv.Mat()
self.map1 = cv.Mat(self.size, cv.CV_32FC1)
self.map2 = cv.Mat(self.size, cv.CV_32FC1)
self.gridimg = self.make_grid_img()
self.on_trait_change(self.redraw, "surf_func,range,view_height,grid")
def redraw(self):
def func(x, y):
return eval(self.surf_func, globals(), locals())
try:
self.map1[:], self.map2[:] = make_surf_map(func, self.range,
self.w, self.h,
self.view_height)
except SyntaxError:
return
if self.grid:
img = self.gridimg
else:
img = self.img
cv.remap(img, self.dstimg, self.map1, self.map2, cv.INTER_LINEAR)
cv.imshow("Remap Demo", self.dstimg)
def make_grid_img(self):
img = self.img.clone()
for i in range(0, self.w, 30):
cv.line(img, cv.Point(i, 0), cv.Point(i, self.h),
cv.CV_RGB(0, 0, 0), 1)
for i in range(0, self.h, 30):
cv.line(img, cv.Point(0, i), cv.Point(self.w, i),
cv.CV_RGB(0, 0, 0), 1)
return img
class WebPage ( HasTraits ):
# The URL to display:
url = Str( 'http://code.enthought.com' )
# The page title:
title = Str
# The page status:
status = Str
# The browser navigation buttons:
back = Button( '<--' )
forward = Button( '-->' )
home = Button( 'Home' )
stop = Button( 'Stop' )
refresh = Button( 'Refresh' )
search = Button( 'Search' )
# The view to display:
view = View(
HGroup( 'back', 'forward', 'home', 'stop', 'refresh', 'search', '_',
Item( 'status', style = 'readonly' ),
show_labels = False
),
Item( 'url',
show_label = False,
editor = IEHTMLEditor(
home = 'home', back = 'back',
forward = 'forward', stop = 'stop',
refresh = 'refresh', search = 'search',
title = 'title', status = 'status' )
)
)
class InternetExplorerDemo ( HasTraits ):
# A URL to display:
url = Str( 'http://' )
# The list of web pages being browsed:
pages = List( WebPage )
# The view to display:
view = View(
VGroup(
Item( 'url',
label = 'Location',
editor = TextEditor( auto_set = False, enter_set = True )
)
),
Item( 'pages',
show_label = False,
style = 'custom',
editor = ListEditor( use_notebook = True,
deletable = True,
dock_style = 'tab',
export = 'DockWindowShell',
page_name = '.title' )
)
)
# Event handlers:
def _url_changed ( self, url ):
self.pages.append( WebPage( url = url.strip() ) )
class CheckListTest ( Handler ):
#---------------------------------------------------------------------------
# Trait definitions:
#---------------------------------------------------------------------------
value = List( editor = CheckListEditor( name = 'values', cols = 5 ) )
values = List( Str )
values_text = Str( 'red orange yellow green blue indigo violet' )
#---------------------------------------------------------------------------
# Traits view definitions:
#---------------------------------------------------------------------------
simple_view = View( 'value', 'values_text@' )
custom_view = View( 'value@', 'values_text@' )
#---------------------------------------------------------------------------
# 'Initializes the object:
#---------------------------------------------------------------------------
def __init__ ( self, **traits ):
super( CheckListTest, self ).__init__( **traits )
self._values_text_changed()
#---------------------------------------------------------------------------
# Event handlers:
#---------------------------------------------------------------------------
def _values_text_changed ( self ):
self.values = self.values_text.split()
class RegexDecoder(DataDecoder):
"""
Decodes arbitrary text using regex.
"""
name = Str('Regex Decoder')
view = View(
Item(name='regex',
label='Regex',
editor=TextEditor(enter_set=True, auto_set=False)),
Item(
label=
"Each subgroup in the regex is \nassigned to a variable \nin the list in order."
),
Item(name='variable_names',
label='Group names',
editor=TextEditor(enter_set=True, auto_set=False)),
Item(label="(comma separated, use '_' to ignore a subgroup)"),
title='Regex decoder')
regex = Str()
variable_names = Str()
def decode(self, data):
"""
Decode CSV input data then assign variables based on a CSV format list
list of names, using an '_' to ignore a field.
"""
re_result = ''
try:
re_result = re.search(self.regex, data)
except:
return None
if not re_result:
return None
re_groups = re_result.groups()
var_names = self.variable_names.split(',')
if len(re_groups) == len(var_names):
data_dict = {}
for n, var in enumerate(var_names):
if var != '_':
try:
data_dict[var] = float(re_groups[n])
except:
data_dict[var] = re_groups[n]
return data_dict
class DataAttributes(HasTraits):
"""A simple helper class used to store some attributes of an input
data object."""
# The version of this class. Used for persistence.
__version__ = 0
# The name of the input data array.
name = Str('')
# The range of the data array.
range = List
def _get_np_arr(self, arr):
data_array = arr.to_array()
data_has_nan = numpy.isnan(data_array).any()
return data_array, data_has_nan
def compute_scalar(self, data, mode='point'):
"""Compute the scalar range from given VTK data array. Mode
can be 'point' or 'cell'."""
if data is not None:
if data.name is None or len(data.name) == 0:
data.name = mode + '_scalars'
self.name = data.name
data_array, data_has_nan = self._get_np_arr(data)
if data_has_nan:
self.range = [
float(numpy.nanmin(data_array)),
float(numpy.nanmax(data_array))
]
else:
self.range = list(data.range)
def compute_vector(self, data, mode='point'):
"""Compute the vector range from given VTK data array. Mode
can be 'point' or 'cell'."""
if data is not None:
if data.name is None or len(data.name) == 0:
data.name = mode + '_vectors'
self.name = data.name
data_array, data_has_nan = self._get_np_arr(data)
if data_has_nan:
d_mag = numpy.sqrt((data_array * data_array).sum(axis=1))
self.range = [
float(numpy.nanmin(d_mag)),
float(numpy.nanmax(d_mag))
]
else:
self.range = [0.0, data.max_norm]
def config_lut(self, lut_mgr):
"""Set the attributes of the LUTManager."""
rng = [0.0, 1.0]
if len(self.range) > 0:
rng = self.range
lut_mgr.default_data_range = list(rng)
lut_mgr.default_data_name = self.name