コード例 #1
0
ファイル: subset_facet.py プロジェクト: nQuant/glue
class SubsetFacetState(State):

    log = CallbackProperty(False)
    v_min = CallbackProperty(0.)
    v_max = CallbackProperty(1.)
    steps = CallbackProperty(5)
    data = SelectionCallbackProperty()
    att = SelectionCallbackProperty()
    cmap = CallbackProperty()

    def __init__(self, data_collection):

        super(SubsetFacetState, self).__init__()

        self.data_helper = DataCollectionComboHelper(self, 'data',
                                                     data_collection)
        self.att_helper = ComponentIDComboHelper(self, 'att')
        self.lim_helper = StateAttributeLimitsHelper(self,
                                                     attribute='att',
                                                     lower='v_min',
                                                     upper='v_max',
                                                     log='log')

        self.add_callback('data', self._on_data_change)
        self._on_data_change()

    def _on_data_change(self, *args, **kwargs):
        self.att_helper.set_multiple_data(
            [] if self.data is None else [self.data])
コード例 #2
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ファイル: scatter.py プロジェクト: evanszhandire/glue-jupyter
 def __init__(self, viewer_state=None, layer=None, **kwargs):
     self.vz_att_helper = ComponentIDComboHelper(self,
                                                 'vz_att',
                                                 numeric=True,
                                                 categorical=False)
     super(Scatter3dLayerState, self).__init__(viewer_state=viewer_state,
                                               layer=layer)
コード例 #3
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ファイル: state.py プロジェクト: chaityacshah/glue
    def __init__(self, **kwargs):

        super(HistogramViewerState, self).__init__()

        self.hist_helper = StateAttributeHistogramHelper(
            self,
            'x_att',
            lower='hist_x_min',
            upper='hist_x_max',
            n_bin='hist_n_bin',
            common_n_bin='common_n_bin')

        self.x_lim_helper = StateAttributeLimitsHelper(self,
                                                       'x_att',
                                                       lower='x_min',
                                                       upper='x_max',
                                                       log='x_log')

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self,
                                                   'x_att',
                                                   pixel_coord=True,
                                                   world_coord=True)

        self.update_from_dict(kwargs)

        # This should be added after update_from_dict since we don't want to
        # influence the restoring of sessions.
        self.add_callback('hist_x_min', self.update_view_to_bins)
        self.add_callback('hist_x_max', self.update_view_to_bins)

        self.add_callback('x_log', self._reset_x_limits, priority=1000)
コード例 #4
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    def __init__(self, layer=None, viewer_state=None, **kwargs):

        super(ProfileLayerState, self).__init__(layer=layer,
                                                viewer_state=viewer_state)

        self.attribute_att_helper = ComponentIDComboHelper(self,
                                                           'attribute',
                                                           numeric=True,
                                                           categorical=False)

        percentile_display = {
            100: 'Min/Max',
            99.5: '99.5%',
            99: '99%',
            95: '95%',
            90: '90%',
            'Custom': 'Custom'
        }

        ProfileLayerState.percentile.set_choices(
            self, [100, 99.5, 99, 95, 90, 'Custom'])
        ProfileLayerState.percentile.set_display_func(self,
                                                      percentile_display.get)

        self.add_callback('layer', self._update_attribute, priority=1000)
        self.add_callback('layer', self._update_profile, priority=1000)
        self.add_callback('attribute', self._update_profile, priority=1000)

        if layer is not None:
            self._update_attribute()

        self.update_from_dict(kwargs)
コード例 #5
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ファイル: save_data.py プロジェクト: harshalkokate/glue
class SaveDataState(State):

    data = SelectionCallbackProperty()
    component = SelectionCallbackProperty()
    exporter = SelectionCallbackProperty()

    def __init__(self, data_collection=None):

        super(SaveDataState, self).__init__()

        self.data_helper = DataCollectionComboHelper(self, 'data', data_collection)
        self.component_helper = ComponentIDComboHelper(self, 'component',
                                                       data_collection=data_collection)

        self.add_callback('data', self._on_data_change)
        self._on_data_change()

        self._sync_data_exporters()

    def _sync_data_exporters(self):

        exporters = list(config.data_exporter)

        def display_func(exporter):
            if exporter.extension == '':
                return "{0} (*)".format(exporter.label)
            else:
                return "{0} ({1})".format(exporter.label, ' '.join('*.' + ext for ext in exporter.extension))

        SaveDataState.exporter.set_choices(self, exporters)
        SaveDataState.exporter.set_display_func(self, display_func)

    def _on_data_change(self, event=None):
        self.component_helper.set_multiple_data([self.data])
コード例 #6
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ファイル: state.py プロジェクト: jzuhone/glue
    def __init__(self, **kwargs):

        super(ScatterViewerState, self).__init__()

        self.limits_cache = {}

        self.x_lim_helper = StateAttributeLimitsHelper(self, attribute='x_att',
                                                       lower='x_min', upper='x_max',
                                                       log='x_log', margin=0.05,
                                                       limits_cache=self.limits_cache)

        self.y_lim_helper = StateAttributeLimitsHelper(self, attribute='y_att',
                                                       lower='y_min', upper='y_max',
                                                       log='y_log', margin=0.05,
                                                       limits_cache=self.limits_cache)

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att', pixel_coord=True, world_coord=True)
        self.y_att_helper = ComponentIDComboHelper(self, 'y_att', pixel_coord=True, world_coord=True)

        self.update_from_dict(kwargs)

        self.add_callback('x_log', self._reset_x_limits)
        self.add_callback('y_log', self._reset_y_limits)
コード例 #7
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ファイル: layer_state.py プロジェクト: PennyQ/glue-3d-viewer
    def __init__(self, layer=None, **kwargs):

        self._sync_markersize = None

        super(ScatterLayerState, self).__init__(layer=layer)

        if self.layer is not None:

            self.color = self.layer.style.color
            self.size = self.layer.style.markersize
            self.alpha = self.layer.style.alpha

        self.size_att_helper = ComponentIDComboHelper(self, 'size_attribute')
        self.cmap_att_helper = ComponentIDComboHelper(self, 'cmap_attribute')

        self.size_lim_helper = StateAttributeLimitsHelper(self, attribute='size_attribute',
                                                          lower='size_vmin', upper='size_vmax',
                                                          cache=self.size_limits_cache)

        self.cmap_lim_helper = StateAttributeLimitsHelper(self, attribute='cmap_attribute',
                                                          lower='cmap_vmin', upper='cmap_vmax',
                                                          cache=self.cmap_limits_cache)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        self.cmap = colormaps.members[0][1]

        self.update_from_dict(kwargs)
コード例 #8
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 def __init__(self, *args, **kwargs):
     super(TutorialViewerState, self).__init__(*args, **kwargs)
     self._x_att_helper = ComponentIDComboHelper(self, 'x_att')
     self._y_att_helper = ComponentIDComboHelper(self, 'y_att')
     self.add_callback('layers', self._on_layers_change)
     self.add_callback('x_att', self._on_attribute_change)
     self.add_callback('y_att', self._on_attribute_change)
コード例 #9
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class SpecvizLayerState(LayerState):
    """

    """
    color = CallbackProperty(docstring='The color used to display the data')
    alpha = CallbackProperty(docstring='The transparency used to display the data')
    linewidth = CallbackProperty(1, docstring='The width of the line for the data')

    attribute = SelectionCallbackProperty(docstring='The attribute to use for the spectrum')
    statistic = SelectionCallbackProperty(docstring='The statistic to use to collapse data')

    def __init__(self, viewer_state=None, **kwargs):

        super(SpecvizLayerState, self).__init__(viewer_state=viewer_state, **kwargs)

        self.color = self.layer.style.color
        self.alpha = self.layer.style.alpha

        self._sync_color = keep_in_sync(self, 'color', self.layer.style, 'color')
        self._sync_alpha = keep_in_sync(self, 'alpha', self.layer.style, 'alpha')

        self._att_helper = ComponentIDComboHelper(self, 'attribute')
        self.add_callback('layer', self._on_layer_change)
        self._on_layer_change()

        SpecvizLayerState.statistic.set_choices(self, list(FUNCTIONS))
        SpecvizLayerState.statistic.set_display_func(self, FUNCTIONS.get)

    def _on_layer_change(self, *args):
        if self.layer is None:
            self._att_helper.set_multiple_data([])
        else:
            self._att_helper.set_multiple_data([self.layer])
コード例 #10
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ファイル: state.py プロジェクト: glue-viz/glue-wwt
    def __init__(self, **kwargs):

        super(WWTDataViewerState, self).__init__()

        WWTDataViewerState.mode.set_choices(self, ['Sky'] + MODES_3D + MODES_BODIES)
        WWTDataViewerState.frame.set_choices(self, CELESTIAL_FRAMES)
        WWTDataViewerState.alt_unit.set_choices(self, [str(x) for x in ALT_UNITS])
        WWTDataViewerState.alt_type.set_choices(self, ALT_TYPES)

        self.add_callback('imagery_layers', self._update_imagery_layers)

        self.lon_att_helper = ComponentIDComboHelper(self, 'lon_att',
                                                     numeric=True,
                                                     categorical=False,
                                                     world_coord=True,
                                                     pixel_coord=False)

        self.lat_att_helper = ComponentIDComboHelper(self, 'lat_att',
                                                     numeric=True,
                                                     categorical=False,
                                                     world_coord=True,
                                                     pixel_coord=False)

        self.alt_att_helper = ComponentIDComboHelper(self, 'alt_att',
                                                     numeric=True,
                                                     categorical=False,
                                                     world_coord=True,
                                                     pixel_coord=False,
                                                     none='None')

        self.add_callback('layers', self._on_layers_changed)
        self._on_layers_changed()

        self.update_from_dict(kwargs)
コード例 #11
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ファイル: viewer.py プロジェクト: nmearl/specviz
class SpecvizLayerState(LayerState):
    """

    """
    color = CallbackProperty(docstring='The color used to display the data')
    alpha = CallbackProperty(docstring='The transparency used to display the data')
    linewidth = CallbackProperty(1, docstring='The width of the line for the data')

    attribute = SelectionCallbackProperty(docstring='The attribute to use for the spectrum')
    statistic = SelectionCallbackProperty(docstring='The statistic to use to collapse data')

    def __init__(self, viewer_state=None, **kwargs):

        super(SpecvizLayerState, self).__init__(viewer_state=viewer_state, **kwargs)

        self.color = self.layer.style.color
        self.alpha = self.layer.style.alpha

        self._sync_color = keep_in_sync(self, 'color', self.layer.style, 'color')
        self._sync_alpha = keep_in_sync(self, 'alpha', self.layer.style, 'alpha')

        self._att_helper = ComponentIDComboHelper(self, 'attribute')
        self.add_callback('layer', self._on_layer_change)
        self._on_layer_change()

        SpecvizLayerState.statistic.set_choices(self, list(FUNCTIONS))
        SpecvizLayerState.statistic.set_display_func(self, FUNCTIONS.get)

    def _on_layer_change(self, *args):
        if self.layer is None:
            self._att_helper.set_multiple_data([])
        else:
            self._att_helper.set_multiple_data([self.layer])
コード例 #12
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    def __init__(self, **kwargs):

        super(ImageViewerState, self).__init__()

        self.limits_cache = {}

        # NOTE: we don't need to use StateAttributeLimitsHelper here because
        # we can simply call reset_limits below when x/y attributes change.
        # Using StateAttributeLimitsHelper makes things a lot slower.

        self.ref_data_helper = ManualDataComboHelper(self, 'reference_data')

        self.xw_att_helper = ComponentIDComboHelper(self, 'x_att_world',
                                                    numeric=False, categorical=False)

        self.yw_att_helper = ComponentIDComboHelper(self, 'y_att_world',
                                                    numeric=False, categorical=False)

        self.add_callback('reference_data', self._reference_data_changed, priority=1000)
        self.add_callback('layers', self._layers_changed, priority=1000)

        self.add_callback('x_att', self._on_xatt_change, priority=500)
        self.add_callback('y_att', self._on_yatt_change, priority=500)

        self.add_callback('x_att_world', self._on_xatt_world_change, priority=1000)
        self.add_callback('y_att_world', self._on_yatt_world_change, priority=1000)

        aspect_display = {'equal': 'Square Pixels', 'auto': 'Automatic'}
        ImageViewerState.aspect.set_choices(self, ['equal', 'auto'])
        ImageViewerState.aspect.set_display_func(self, aspect_display.get)

        ImageViewerState.color_mode.set_choices(self, ['Colormaps', 'One color per layer'])

        self.update_from_dict(kwargs)
コード例 #13
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    def __init__(self, layer=None, **kwargs):

        super(VolumeLayerState, self).__init__(layer=layer)

        if self.layer is not None:

            self.color = self.layer.style.color
            self.alpha = self.layer.style.alpha

        self.att_helper = ComponentIDComboHelper(self, 'attribute')

        self.lim_helper = StateAttributeLimitsHelper(self,
                                                     attribute='attribute',
                                                     lower='vmin',
                                                     upper='vmax',
                                                     cache=self.limits_cache)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        if isinstance(self.layer, Subset):
            self.vmin = 0
            self.lim_helper.lower_frozen = True

        self.update_from_dict(kwargs)
コード例 #14
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ファイル: state.py プロジェクト: hamogu/glue
    def __init__(self, **kwargs):

        super(ScatterViewerState, self).__init__()

        self.limits_cache = {}

        self.x_lim_helper = StateAttributeLimitsHelper(
            self,
            attribute='x_att',
            lower='x_min',
            upper='x_max',
            log='x_log',
            limits_cache=self.limits_cache)

        self.y_lim_helper = StateAttributeLimitsHelper(
            self,
            attribute='y_att',
            lower='y_min',
            upper='y_max',
            log='y_log',
            limits_cache=self.limits_cache)

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att')
        self.y_att_helper = ComponentIDComboHelper(self, 'y_att')

        self.update_from_dict(kwargs)
コード例 #15
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def test_component(app, dataxz, dataxyz):
    # setup
    state = DummyState()
    helper = ComponentIDComboHelper(state, 'x_att', app.data_collection)
    helper.append_data(dataxz)
    state.helper = helper

    # main object we test
    dropdown = LinkedDropdown(state, 'x_att', 'x test attribute')

    # simple sanity tests
    assert dropdown.description == 'x test attribute'
    assert [item[0] for item in dropdown.options] == ['x', 'z']

    # initial state
    assert state.x_att is dataxz.id['x']
    assert dropdown.value is dataxz.id['x']

    # glue state -> ui
    state.x_att = dataxz.id['z']
    assert dropdown.value is dataxz.id['z']

    # ui -> glue state
    dropdown.value = dataxz.id['x']
    assert state.x_att is dataxz.id['x']

    # same, but now be ok with strings
    state.x_att = 'z'
    assert dropdown.value is dataxz.id['z']

    state.x_att = 'x'
    assert dropdown.value is dataxz.id['x']
コード例 #16
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    def __init__(self, **kwargs):

        super(ProfileViewerState, self).__init__()

        self.ref_data_helper = ManualDataComboHelper(self, 'reference_data')

        self.x_lim_helper = StateAttributeLimitsHelper(self,
                                                       'x_att',
                                                       lower='x_min',
                                                       upper='x_max')

        self.add_callback('layers', self._layers_changed)
        self.add_callback('reference_data', self._reference_data_changed)
        self.add_callback('normalize', self._reset_y_limits)

        self.x_att_helper = ComponentIDComboHelper(self,
                                                   'x_att',
                                                   numeric=False,
                                                   categorical=False,
                                                   world_coord=True,
                                                   pixel_coord=True)

        ProfileViewerState.function.set_choices(self, list(FUNCTIONS))
        ProfileViewerState.function.set_display_func(self, FUNCTIONS.get)

        self.update_from_dict(kwargs)
コード例 #17
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ファイル: layout.py プロジェクト: rosteen/cubeviz
 def _enable_viewer_combo(self, viewer, data, index, selection_label):
     connect_combo_selection(self, selection_label, viewer.combo)
     helper = ComponentIDComboHelper(self, selection_label)
     helper.set_multiple_data([data])
     viewer.combo.setEnabled(True)
     viewer.combo.currentIndexChanged.connect(
         self._get_change_viewer_combo_func(viewer.combo, index))
     self._viewer_combo_helpers.append(helper)
コード例 #18
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ファイル: layout.py プロジェクト: spacetelescope/cube-tools
 def _enable_viewer_combo(self, viewer, data, index, selection_label):
     connect_combo_selection(self, selection_label, viewer.combo)
     helper = ComponentIDComboHelper(self, selection_label)
     helper.set_multiple_data([data])
     viewer.combo.setEnabled(True)
     viewer.combo.currentIndexChanged.connect(
         self._get_change_viewer_combo_func(viewer.combo, index))
     self._viewer_combo_helpers.append(helper)
コード例 #19
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    def __init__(self, layer=None, viewer_state=None, **kwargs):

        self.uuid = str(uuid.uuid4())

        super(ImageLayerState, self).__init__(layer=layer,
                                              viewer_state=viewer_state)

        self.attribute_lim_helper = StateAttributeLimitsHelper(
            self,
            attribute='attribute',
            percentile='percentile',
            lower='v_min',
            upper='v_max')

        self.attribute_att_helper = ComponentIDComboHelper(self,
                                                           'attribute',
                                                           numeric=True,
                                                           categorical=False)

        percentile_display = {
            100: 'Min/Max',
            99.5: '99.5%',
            99: '99%',
            95: '95%',
            90: '90%',
            'Custom': 'Custom'
        }

        ImageLayerState.percentile.set_choices(
            self, [100, 99.5, 99, 95, 90, 'Custom'])
        ImageLayerState.percentile.set_display_func(self,
                                                    percentile_display.get)

        stretch_display = {
            'linear': 'Linear',
            'sqrt': 'Square Root',
            'arcsinh': 'Arcsinh',
            'log': 'Logarithmic'
        }

        ImageLayerState.stretch.set_choices(
            self, ['linear', 'sqrt', 'arcsinh', 'log'])
        ImageLayerState.stretch.set_display_func(self, stretch_display.get)

        self.add_callback('global_sync', self._update_syncing)
        self.add_callback('layer', self._update_attribute)

        self._update_syncing()

        if layer is not None:
            self._update_attribute()

        self.update_from_dict(kwargs)

        if self.cmap is None:
            self.cmap = self.layer.style.preferred_cmap or colormaps.members[
                0][1]
コード例 #20
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ファイル: config_messy.py プロジェクト: hopehhchen/glue_tree
 def __init__(self, *args, **kwargs):
     super(TutorialViewerState, self).__init__(*args, **kwargs)
     self._x_att_helper = ComponentIDComboHelper(self, 'x_att')
     self._y_att_helper = ComponentIDComboHelper(self, 'y_att')
     self.add_callback('layers', self._on_layers_change)
     self.add_callback('x_att', self._on_attribute_change)
     self.add_callback('y_att', self._on_attribute_change)
     TutorialViewerState.orientation.set_choices(
         self, ['bottom-up', 'left-right', 'top-down', 'right-left'])
     self.add_callback('orientation', self._on_attribute_change)
コード例 #21
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    def __init__(self, **kwargs):

        super(ImageViewerState, self).__init__()

        self.limits_cache = {}

        self.x_lim_helper = StateAttributeLimitsHelper(
            self,
            attribute='x_att',
            lower='x_min',
            upper='x_max',
            limits_cache=self.limits_cache)

        self.y_lim_helper = StateAttributeLimitsHelper(
            self,
            attribute='y_att',
            lower='y_min',
            upper='y_max',
            limits_cache=self.limits_cache)

        self.ref_data_helper = ManualDataComboHelper(self, 'reference_data')

        self.xw_att_helper = ComponentIDComboHelper(self,
                                                    'x_att_world',
                                                    numeric=False,
                                                    categorical=False,
                                                    visible=False,
                                                    world_coord=True)

        self.yw_att_helper = ComponentIDComboHelper(self,
                                                    'y_att_world',
                                                    numeric=False,
                                                    categorical=False,
                                                    visible=False,
                                                    world_coord=True)

        self.add_callback('reference_data',
                          self._reference_data_changed,
                          priority=1000)
        self.add_callback('layers', self._layers_changed, priority=1000)

        self.add_callback('x_att', self._on_xatt_change, priority=500)
        self.add_callback('y_att', self._on_yatt_change, priority=500)

        self.add_callback('x_att_world', self._update_att, priority=500)
        self.add_callback('y_att_world', self._update_att, priority=500)

        self.add_callback('x_att_world',
                          self._on_xatt_world_change,
                          priority=1000)
        self.add_callback('y_att_world',
                          self._on_yatt_world_change,
                          priority=1000)

        self.update_from_dict(kwargs)
コード例 #22
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ファイル: viewer_state.py プロジェクト: PennyQ/glue-3d-viewer
    def __init__(self, **kwargs):

        super(Vispy3DScatterViewerState, self).__init__()

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att', categorical=False)
        self.y_att_helper = ComponentIDComboHelper(self, 'y_att', categorical=False)
        self.z_att_helper = ComponentIDComboHelper(self, 'z_att', categorical=False)

        self.add_callback('layers', self._on_layers_change)

        self.update_from_dict(kwargs)
コード例 #23
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ファイル: subset_facet.py プロジェクト: erisonliang/glue
    def __init__(self, data_collection):

        super(SubsetFacetState, self).__init__()

        self.data_helper = DataCollectionComboHelper(self, 'data', data_collection)
        self.att_helper = ComponentIDComboHelper(self, 'att')
        self.lim_helper = StateAttributeLimitsHelper(self, attribute='att',
                                                     lower='v_min', upper='v_max',
                                                     log='log')

        self.add_callback('data', self._on_data_change)
        self._on_data_change()
コード例 #24
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    def __init__(self, parent=None, data_viewer=None):

        super(OptionsWidget, self).__init__(parent=parent)

        self.ui = load_ui('viewer_options.ui',
                          self,
                          directory=os.path.dirname(__file__))

        self.file_helper = ComponentIDComboHelper(
            self, 'file_att', data_collection=data_viewer._data)

        connect_combo_selection(self, 'file_att', self.ui.combo_file_attribute)
コード例 #25
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ファイル: save_data.py プロジェクト: harshalkokate/glue
    def __init__(self, data_collection=None):

        super(SaveDataState, self).__init__()

        self.data_helper = DataCollectionComboHelper(self, 'data', data_collection)
        self.component_helper = ComponentIDComboHelper(self, 'component',
                                                       data_collection=data_collection)

        self.add_callback('data', self._on_data_change)
        self._on_data_change()

        self._sync_data_exporters()
コード例 #26
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ファイル: state.py プロジェクト: dhomeier/glue
    def __init__(self, **kwargs):

        super(ScatterViewerState, self).__init__()

        self.limits_cache = {}

        self.x_lim_helper = StateAttributeLimitsHelper(
            self,
            attribute='x_att',
            lower='x_min',
            upper='x_max',
            log='x_log',
            margin=0.04,
            limits_cache=self.limits_cache)

        self.y_lim_helper = StateAttributeLimitsHelper(
            self,
            attribute='y_att',
            lower='y_min',
            upper='y_max',
            log='y_log',
            margin=0.04,
            limits_cache=self.limits_cache)

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self,
                                                   'x_att',
                                                   pixel_coord=True,
                                                   world_coord=True)
        self.y_att_helper = ComponentIDComboHelper(self,
                                                   'y_att',
                                                   pixel_coord=True,
                                                   world_coord=True)

        self.plot_mode_helper = ComboHelper(self, 'plot_mode')
        self.plot_mode_helper.choices = [
            proj for proj in get_projection_names()
            if proj not in ['3d', 'scatter_density']
        ]
        self.plot_mode_helper.selection = 'rectilinear'

        self.angle_unit_helper = ComboHelper(self, 'angle_unit')
        self.angle_unit_helper.choices = ['radians', 'degrees']
        self.angle_unit_helper.selection = 'radians'

        self.update_from_dict(kwargs)

        self.add_callback('x_log', self._reset_x_limits)
        self.add_callback('y_log', self._reset_y_limits)

        if self.using_polar:
            self.full_circle()
コード例 #27
0
ファイル: config.py プロジェクト: hopehhchen/glue_tree
 def __init__(self, *args, **kwargs):
     # provides dropdown, parent, height etc. for plot options
     super(TutorialViewerState, self).__init__(*args, **kwargs)
     self._x_att_helper = ComponentIDComboHelper(self, 'x_att')
     self._y_att_helper = ComponentIDComboHelper(self, 'y_att')
     self.add_callback('layers', self._on_layers_change)
     self.add_callback('x_att', self._on_attribute_change)
     self.add_callback('y_att', self._on_attribute_change)
     TutorialViewerState.orientation.set_choices(
         self, ['bottom-up', 'left-right', 'top-down', 'right-left'])
     self.add_callback('orientation', self._on_attribute_change)
     TutorialViewerState.sort_by.set_choices(self, ['parent', 'height'])
     self.add_callback('sort_by', self._on_attribute_change)
コード例 #28
0
    def __init__(self, **kwargs):

        super(OpenSpaceViewerState, self).__init__()

        OpenSpaceViewerState.mode.set_choices(self, MODES)
        OpenSpaceViewerState.frame.set_choices(self, CELESTIAL_FRAMES)
        OpenSpaceViewerState.alt_unit.set_choices(
            self, [str(x) for x in ALTERNATIVE_UNITS])
        OpenSpaceViewerState.alt_type.set_choices(self, ALTERNATIVE_TYPES)

        self.lon_att_helper = ComponentIDComboHelper(self,
                                                     'lon_att',
                                                     numeric=True,
                                                     categorical=False,
                                                     world_coord=True,
                                                     pixel_coord=False)

        self.lat_att_helper = ComponentIDComboHelper(self,
                                                     'lat_att',
                                                     numeric=True,
                                                     categorical=False,
                                                     world_coord=True,
                                                     pixel_coord=False)

        self.lum_att_helper = ComponentIDComboHelper(self,
                                                     'lum_att',
                                                     numeric=True,
                                                     categorical=False,
                                                     world_coord=True,
                                                     pixel_coord=False)

        self.vel_att_helper = ComponentIDComboHelper(self,
                                                     'vel_att',
                                                     numeric=True,
                                                     categorical=False,
                                                     world_coord=True,
                                                     pixel_coord=False)

        self.alt_att_helper = ComponentIDComboHelper(self,
                                                     'alt_att',
                                                     numeric=True,
                                                     categorical=False,
                                                     world_coord=True,
                                                     pixel_coord=False)

        self.add_callback('layers', self._on_layers_changed)
        self._on_layers_changed()

        self.update_from_dict(kwargs)
コード例 #29
0
ファイル: state.py プロジェクト: PennyQ/glue
    def __init__(self, viewer_state=None, layer=None, **kwargs):

        super(ScatterLayerState, self).__init__(viewer_state=viewer_state, layer=layer)

        self.limits_cache = {}

        self.cmap_lim_helper = StateAttributeLimitsHelper(self, attribute='cmap_att',
                                                          lower='cmap_vmin', upper='cmap_vmax',
                                                          limits_cache=self.limits_cache)

        self.size_lim_helper = StateAttributeLimitsHelper(self, attribute='size_att',
                                                          lower='size_vmin', upper='size_vmax',
                                                          limits_cache=self.limits_cache)

        self.cmap_att_helper = ComponentIDComboHelper(self, 'cmap_att',
                                                      numeric=True, categorical=False)

        self.size_att_helper = ComponentIDComboHelper(self, 'size_att',
                                                      numeric=True, categorical=False)

        self.xerr_att_helper = ComponentIDComboHelper(self, 'xerr_att',
                                                      numeric=True, categorical=False)

        self.yerr_att_helper = ComponentIDComboHelper(self, 'yerr_att',
                                                      numeric=True, categorical=False)

        ScatterLayerState.style.set_choices(self, ['Scatter', 'Line'])
        ScatterLayerState.cmap_mode.set_choices(self, ['Fixed', 'Linear'])
        ScatterLayerState.size_mode.set_choices(self, ['Fixed', 'Linear'])

        linestyle_display = {'solid': '–––––––',
                             'dashed': '– – – – –',
                             'dotted': '· · · · · · · ·',
                             'dashdot': '– · – · – ·'}

        ScatterLayerState.linestyle.set_choices(self, ['solid', 'dashed', 'dotted', 'dashdot'])
        ScatterLayerState.linestyle.set_display_func(self, linestyle_display.get)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        self.cmap = colormaps.members[0][1]

        self.size = self.layer.style.markersize

        self._sync_size = keep_in_sync(self, 'size', self.layer.style, 'markersize')

        self.update_from_dict(kwargs)
コード例 #30
0
class VolumeLayerState(VispyLayerState):
    """
    A state object for volume layers
    """

    attribute = SelectionCallbackProperty()
    vmin = CallbackProperty()
    vmax = CallbackProperty()
    subset_mode = CallbackProperty('data')
    limits_cache = CallbackProperty({})

    def __init__(self, layer=None, **kwargs):

        super(VolumeLayerState, self).__init__(layer=layer)

        if self.layer is not None:

            self.color = self.layer.style.color
            self.alpha = self.layer.style.alpha

        self.att_helper = ComponentIDComboHelper(self, 'attribute')

        self.lim_helper = StateAttributeLimitsHelper(self,
                                                     attribute='attribute',
                                                     lower='vmin',
                                                     upper='vmax',
                                                     cache=self.limits_cache)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        if isinstance(self.layer, Subset):
            self.vmin = 0
            self.lim_helper.lower_frozen = True

        self.update_from_dict(kwargs)

    def _on_layer_change(self, layer=None):

        with delay_callback(self, 'vmin', 'vmin'):

            if self.layer is None:
                self.att_helper.set_multiple_data([])
            else:
                self.att_helper.set_multiple_data([self.layer])

    def update_priority(self, name):
        return 0 if name.endswith(('vmin', 'vmax')) else 1
コード例 #31
0
ファイル: save_data.py プロジェクト: glue-viz/glue
class SaveDataState(State):

    data = SelectionCallbackProperty()
    subset = SelectionCallbackProperty()
    component = SelectionCallbackProperty()
    exporter = SelectionCallbackProperty()

    def __init__(self, data_collection=None):

        super(SaveDataState, self).__init__()

        self.data_helper = DataCollectionComboHelper(self, 'data', data_collection)
        self.component_helper = ComponentIDComboHelper(self, 'component',
                                                       data_collection=data_collection)

        self.add_callback('data', self._on_data_change)
        self._on_data_change()

        self._sync_data_exporters()

    def _sync_data_exporters(self):

        exporters = list(config.data_exporter)

        def display_func(exporter):
            if exporter.extension == '':
                return "{0} (*)".format(exporter.label)
            else:
                return "{0} ({1})".format(exporter.label, ' '.join('*.' + ext for ext in exporter.extension))

        SaveDataState.exporter.set_choices(self, exporters)
        SaveDataState.exporter.set_display_func(self, display_func)

    def _on_data_change(self, event=None):
        self.component_helper.set_multiple_data([self.data])
        self._sync_subsets()

    def _sync_subsets(self):

        def display_func(subset):
            if subset is None:
                return "All data (no subsets applied)"
            else:
                return subset.label

        subsets = [None] + list(self.data.subsets)

        SaveDataState.subset.set_choices(self, subsets)
        SaveDataState.subset.set_display_func(self, display_func)
コード例 #32
0
class Scatter3dLayerState(ScatterLayerState):
    vz_att = DDSCProperty(docstring="The attribute to use for the z vector arrow")

    def __init__(self, viewer_state=None, layer=None, **kwargs):
        self.vz_att_helper = ComponentIDComboHelper(self, 'vz_att',
                                                    numeric=True, categorical=False)
        super(Scatter3dLayerState, self).__init__(viewer_state=viewer_state, layer=layer)
        # self.update_from_dict(kwargs)

    def _on_layer_change(self, layer=None):
        super(Scatter3dLayerState, self)._on_layer_change(layer=layer)
        if self.layer is None:
            self.vz_att_helper.set_multiple_data([])
        else:
            self.vz_att_helper.set_multiple_data([self.layer])
コード例 #33
0
ファイル: config.py プロジェクト: sunn-e/glue
class TutorialViewerState(ViewerState):

    x_att = SelectionCallbackProperty(docstring='The attribute to use on the x-axis')
    y_att = SelectionCallbackProperty(docstring='The attribute to use on the y-axis')

    def __init__(self, *args, **kwargs):
        super(TutorialViewerState, self).__init__(*args, **kwargs)
        self._x_att_helper = ComponentIDComboHelper(self, 'x_att')
        self._y_att_helper = ComponentIDComboHelper(self, 'y_att')
        self.add_callback('layers', self._on_layers_change)

    def _on_layers_change(self, value):
        # self.layers_data is a shortcut for
        # [layer_state.layer for layer_state in self.layers]
        self._x_att_helper.set_multiple_data(self.layers_data)
        self._y_att_helper.set_multiple_data(self.layers_data)
コード例 #34
0
    def __init__(self, viewer_state=None, **kwargs):

        super(SpecvizLayerState, self).__init__(viewer_state=viewer_state, **kwargs)

        self.color = self.layer.style.color
        self.alpha = self.layer.style.alpha

        self._sync_color = keep_in_sync(self, 'color', self.layer.style, 'color')
        self._sync_alpha = keep_in_sync(self, 'alpha', self.layer.style, 'alpha')

        self._att_helper = ComponentIDComboHelper(self, 'attribute')
        self.add_callback('layer', self._on_layer_change)
        self._on_layer_change()

        SpecvizLayerState.statistic.set_choices(self, list(FUNCTIONS))
        SpecvizLayerState.statistic.set_display_func(self, FUNCTIONS.get)
コード例 #35
0
ファイル: layer_state.py プロジェクト: PennyQ/glue-3d-viewer
class VolumeLayerState(VispyLayerState):
    """
    A state object for volume layers
    """

    attribute = SelectionCallbackProperty()
    vmin = CallbackProperty()
    vmax = CallbackProperty()
    subset_mode = CallbackProperty('data')
    limits_cache = CallbackProperty({})

    def __init__(self, layer=None, **kwargs):

        super(VolumeLayerState, self).__init__(layer=layer)

        if self.layer is not None:

            self.color = self.layer.style.color
            self.alpha = self.layer.style.alpha

        self.att_helper = ComponentIDComboHelper(self, 'attribute')

        self.lim_helper = StateAttributeLimitsHelper(self, attribute='attribute',
                                                     lower='vmin', upper='vmax',
                                                     cache=self.limits_cache)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        if isinstance(self.layer, Subset):
            self.vmin = 0
            self.lim_helper.lower_frozen = True

        self.update_from_dict(kwargs)

    def _on_layer_change(self, layer=None):

        with delay_callback(self, 'vmin', 'vmin'):

            if self.layer is None:
                self.att_helper.set_multiple_data([])
            else:
                self.att_helper.set_multiple_data([self.layer])

    def update_priority(self, name):
        return 0 if name.endswith(('vmin', 'vmax')) else 1
コード例 #36
0
    def __init__(self, layer=None, **kwargs):
        super(WWTImageLayerState, self).__init__(layer=layer)

        self._sync_color = keep_in_sync(self, 'color', self.layer.style, 'color')
        self._sync_alpha = keep_in_sync(self, 'alpha', self.layer.style, 'alpha')

        self.color = self.layer.style.color

        self.img_data_att_helper = ComponentIDComboHelper(self, 'img_data_att',
                                                          numeric=True,
                                                          categorical=False)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        self.update_from_dict(kwargs)
コード例 #37
0
    def __init__(self, layer=None, **kwargs):

        self._sync_markersize = None

        super(WWTLayerState, self).__init__(layer=layer)

        self._sync_color = keep_in_sync(self, 'color', self.layer.style, 'color')
        self._sync_alpha = keep_in_sync(self, 'alpha', self.layer.style, 'alpha')
        self._sync_size = keep_in_sync(self, 'size', self.layer.style, 'markersize')

        self.color = self.layer.style.color
        self.size = self.layer.style.markersize
        self.alpha = self.layer.style.alpha

        self.size_att_helper = ComponentIDComboHelper(self, 'size_att',
                                                      numeric=True,
                                                      categorical=False)
        self.cmap_att_helper = ComponentIDComboHelper(self, 'cmap_att',
                                                      numeric=True,
                                                      categorical=False)

        self.size_lim_helper = StateAttributeLimitsHelper(self, attribute='size_att',
                                                          lower='size_vmin', upper='size_vmax',
                                                          cache=self.size_limits_cache)

        self.cmap_lim_helper = StateAttributeLimitsHelper(self, attribute='cmap_att',
                                                          lower='cmap_vmin', upper='cmap_vmax',
                                                          cache=self.cmap_limits_cache)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        self.cmap = colormaps.members[0][1]

        # Color and size encoding depending on attributes is only available
        # in PyWWT 0.6 or later.
        if PYWWT_LT_06:
            modes = ['Fixed']
        else:
            modes = ['Fixed', 'Linear']

        WWTLayerState.color_mode.set_choices(self, modes)
        WWTLayerState.size_mode.set_choices(self, modes)

        self.update_from_dict(kwargs)
コード例 #38
0
ファイル: state.py プロジェクト: sergiopasra/glue
    def __init__(self, **kwargs):

        super(DendrogramViewerState, self).__init__()

        self.add_callback('layers', self._layers_changed)

        self.height_att_helper = ComponentIDComboHelper(self, 'height_att')
        self.parent_att_helper = ComponentIDComboHelper(self, 'parent_att')
        self.order_att_helper = ComponentIDComboHelper(self, 'order_att')

        self.add_callback('height_att', self._update_layout)
        self.add_callback('parent_att', self._update_layout)
        self.add_callback('order_att', self._update_layout)

        self.add_callback('reference_data', self._on_reference_data_change)

        self.update_from_dict(kwargs)
コード例 #39
0
ファイル: custom_viewer.py プロジェクト: chaityacshah/glue
 def __init__(self, *args, **kwargs):
     super(CustomMatplotlibViewerState, self).__init__(*args)
     self._cid_helpers = []
     for name, property in self.iter_callback_properties():
         if isinstance(property, DynamicComponentIDProperty):
             self._cid_helpers.append(ComponentIDComboHelper(self, name))
     self.add_callback('layers', self._on_layer_change)
     self.update_from_dict(kwargs)
コード例 #40
0
def test_component_default_index(app, dataxz, dataxyz):

    # Regression test for a bug that caused the incorrect element to be selected
    # when default_index is involved.

    # setup
    state = DummyState()
    helper = ComponentIDComboHelper(state, 'y_att', app.data_collection)
    state.helper = helper
    dropdown = LinkedDropdown(state, 'y_att', 'y test attribute')
    assert [item[0] for item in dropdown.options] == []

    helper.append_data(dataxz)
    assert [item[0] for item in dropdown.options] == ['x', 'z']

    assert state.y_att is dataxz.id['z']
    assert dropdown.value is dataxz.id['z']
コード例 #41
0
ファイル: save_data.py プロジェクト: glue-viz/glue
    def __init__(self, data_collection=None):

        super(SaveDataState, self).__init__()

        self.data_helper = DataCollectionComboHelper(self, 'data', data_collection)
        self.component_helper = ComponentIDComboHelper(self, 'component',
                                                       data_collection=data_collection)

        self.add_callback('data', self._on_data_change)
        self._on_data_change()

        self._sync_data_exporters()
コード例 #42
0
ファイル: state.py プロジェクト: stscieisenhamer/glue
    def __init__(self, **kwargs):

        super(ImageViewerState, self).__init__()

        self.limits_cache = {}

        self.x_lim_helper = StateAttributeLimitsHelper(self, attribute='x_att',
                                                       lower='x_min', upper='x_max',
                                                       limits_cache=self.limits_cache)

        self.y_lim_helper = StateAttributeLimitsHelper(self, attribute='y_att',
                                                       lower='y_min', upper='y_max',
                                                       limits_cache=self.limits_cache)

        self.ref_data_helper = ManualDataComboHelper(self, 'reference_data')

        self.xw_att_helper = ComponentIDComboHelper(self, 'x_att_world',
                                                    numeric=False, categorical=False,
                                                    world_coord=True)

        self.yw_att_helper = ComponentIDComboHelper(self, 'y_att_world',
                                                    numeric=False, categorical=False,
                                                    world_coord=True)

        self.add_callback('reference_data', self._reference_data_changed, priority=1000)
        self.add_callback('layers', self._layers_changed, priority=1000)

        self.add_callback('x_att', self._on_xatt_change, priority=500)
        self.add_callback('y_att', self._on_yatt_change, priority=500)

        self.add_callback('x_att_world', self._update_att, priority=500)
        self.add_callback('y_att_world', self._update_att, priority=500)

        self.add_callback('x_att_world', self._on_xatt_world_change, priority=1000)
        self.add_callback('y_att_world', self._on_yatt_world_change, priority=1000)

        self.update_from_dict(kwargs)
コード例 #43
0
ファイル: viewer.py プロジェクト: nmearl/specviz
    def __init__(self, viewer_state=None, **kwargs):

        super(SpecvizLayerState, self).__init__(viewer_state=viewer_state, **kwargs)

        self.color = self.layer.style.color
        self.alpha = self.layer.style.alpha

        self._sync_color = keep_in_sync(self, 'color', self.layer.style, 'color')
        self._sync_alpha = keep_in_sync(self, 'alpha', self.layer.style, 'alpha')

        self._att_helper = ComponentIDComboHelper(self, 'attribute')
        self.add_callback('layer', self._on_layer_change)
        self._on_layer_change()

        SpecvizLayerState.statistic.set_choices(self, list(FUNCTIONS))
        SpecvizLayerState.statistic.set_display_func(self, FUNCTIONS.get)
コード例 #44
0
ファイル: state.py プロジェクト: PennyQ/glue
    def __init__(self, **kwargs):

        super(HistogramViewerState, self).__init__()

        self.hist_helper = StateAttributeHistogramHelper(self, 'x_att', lower='hist_x_min',
                                                         upper='hist_x_max', n_bin='hist_n_bin',
                                                         common_n_bin='common_n_bin')

        self.x_lim_helper = StateAttributeLimitsHelper(self, 'x_att', lower='x_min',
                                                       upper='x_max', log='x_log')

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att')

        self.update_from_dict(kwargs)
コード例 #45
0
ファイル: state.py プロジェクト: glue-viz/glue
    def __init__(self, **kwargs):

        super(ProfileViewerState, self).__init__()

        self.ref_data_helper = ManualDataComboHelper(self, 'reference_data')

        self.add_callback('layers', self._layers_changed)
        self.add_callback('reference_data', self._reference_data_changed)
        self.add_callback('x_att', self._update_att)
        self.add_callback('normalize', self._reset_y_limits)

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att',
                                                   numeric=False, categorical=False,
                                                   pixel_coord=True)

        ProfileViewerState.function.set_choices(self, list(FUNCTIONS))
        ProfileViewerState.function.set_display_func(self, FUNCTIONS.get)

        self.update_from_dict(kwargs)
コード例 #46
0
ファイル: state.py プロジェクト: glue-viz/glue
    def __init__(self, layer=None, viewer_state=None, **kwargs):

        self.uuid = str(uuid.uuid4())

        super(ImageLayerState, self).__init__(layer=layer, viewer_state=viewer_state)

        self.attribute_lim_helper = StateAttributeLimitsHelper(self, attribute='attribute',
                                                               percentile='percentile',
                                                               lower='v_min', upper='v_max')

        self.attribute_att_helper = ComponentIDComboHelper(self, 'attribute',
                                                           numeric=True, categorical=False)

        percentile_display = {100: 'Min/Max',
                              99.5: '99.5%',
                              99: '99%',
                              95: '95%',
                              90: '90%',
                              'Custom': 'Custom'}

        ImageLayerState.percentile.set_choices(self, [100, 99.5, 99, 95, 90, 'Custom'])
        ImageLayerState.percentile.set_display_func(self, percentile_display.get)

        stretch_display = {'linear': 'Linear',
                           'sqrt': 'Square Root',
                           'arcsinh': 'Arcsinh',
                           'log': 'Logarithmic'}

        ImageLayerState.stretch.set_choices(self, ['linear', 'sqrt', 'arcsinh', 'log'])
        ImageLayerState.stretch.set_display_func(self, stretch_display.get)

        self.add_callback('global_sync', self._update_syncing)
        self.add_callback('layer', self._update_attribute)

        self._update_syncing()

        if layer is not None:
            self._update_attribute()

        self.update_from_dict(kwargs)

        if self.cmap is None:
            self.cmap = colormaps.members[0][1]
コード例 #47
0
ファイル: state.py プロジェクト: glue-viz/glue
    def __init__(self, layer=None, viewer_state=None, **kwargs):

        super(ProfileLayerState, self).__init__(layer=layer, viewer_state=viewer_state)

        self.attribute_att_helper = ComponentIDComboHelper(self, 'attribute',
                                                           numeric=True, categorical=False)

        percentile_display = {100: 'Min/Max',
                              99.5: '99.5%',
                              99: '99%',
                              95: '95%',
                              90: '90%',
                              'Custom': 'Custom'}

        ProfileLayerState.percentile.set_choices(self, [100, 99.5, 99, 95, 90, 'Custom'])
        ProfileLayerState.percentile.set_display_func(self, percentile_display.get)

        self.add_callback('layer', self._update_attribute, priority=1000)

        if layer is not None:
            self._update_attribute()

        self.update_from_dict(kwargs)
コード例 #48
0
ファイル: state.py プロジェクト: sergiopasra/glue
    def __init__(self, **kwargs):

        super(HistogramViewerState, self).__init__()

        self.hist_helper = StateAttributeHistogramHelper(self, 'x_att', lower='hist_x_min',
                                                         upper='hist_x_max', n_bin='hist_n_bin',
                                                         common_n_bin='common_n_bin')

        self.x_lim_helper = StateAttributeLimitsHelper(self, 'x_att', lower='x_min',
                                                       upper='x_max', log='x_log')

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att',
                                                   pixel_coord=True, world_coord=True)

        self.update_from_dict(kwargs)

        # This should be added after update_from_dict since we don't want to
        # influence the restoring of sessions.
        self.add_callback('hist_x_min', self.update_view_to_bins)
        self.add_callback('hist_x_max', self.update_view_to_bins)

        self.add_callback('x_log', self._reset_x_limits, priority=1000)
コード例 #49
0
ファイル: layer_state.py プロジェクト: PennyQ/glue-3d-viewer
    def __init__(self, layer=None, **kwargs):

        super(VolumeLayerState, self).__init__(layer=layer)

        if self.layer is not None:

            self.color = self.layer.style.color
            self.alpha = self.layer.style.alpha

        self.att_helper = ComponentIDComboHelper(self, 'attribute')

        self.lim_helper = StateAttributeLimitsHelper(self, attribute='attribute',
                                                     lower='vmin', upper='vmax',
                                                     cache=self.limits_cache)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        if isinstance(self.layer, Subset):
            self.vmin = 0
            self.lim_helper.lower_frozen = True

        self.update_from_dict(kwargs)
コード例 #50
0
ファイル: viewer_state.py プロジェクト: PennyQ/glue-3d-viewer
class Vispy3DScatterViewerState(Vispy3DViewerState):

    def __init__(self, **kwargs):

        super(Vispy3DScatterViewerState, self).__init__()

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att', categorical=False)
        self.y_att_helper = ComponentIDComboHelper(self, 'y_att', categorical=False)
        self.z_att_helper = ComponentIDComboHelper(self, 'z_att', categorical=False)

        self.add_callback('layers', self._on_layers_change)

        self.update_from_dict(kwargs)

    def _on_layers_change(self, *args):
        layers_data = [layer_state.layer for layer_state in self.layers]
        self.x_att_helper.set_multiple_data(layers_data)
        self.y_att_helper.set_multiple_data(layers_data)
        self.z_att_helper.set_multiple_data(layers_data)
コード例 #51
0
ファイル: state.py プロジェクト: sergiopasra/glue
class DendrogramViewerState(MatplotlibDataViewerState):
    """
    A state class that includes all the attributes for a dendrogram viewer.
    """

    height_att = DDSCProperty()
    parent_att = DDSCProperty()
    order_att = DDSCProperty()
    y_log = DDCProperty(False)
    select_substruct = DDCProperty(True)
    reference_data = DDCProperty()

    _layout = DDCProperty()

    def __init__(self, **kwargs):

        super(DendrogramViewerState, self).__init__()

        self.add_callback('layers', self._layers_changed)

        self.height_att_helper = ComponentIDComboHelper(self, 'height_att')
        self.parent_att_helper = ComponentIDComboHelper(self, 'parent_att')
        self.order_att_helper = ComponentIDComboHelper(self, 'order_att')

        self.add_callback('height_att', self._update_layout)
        self.add_callback('parent_att', self._update_layout)
        self.add_callback('order_att', self._update_layout)

        self.add_callback('reference_data', self._on_reference_data_change)

        self.update_from_dict(kwargs)

    def _on_reference_data_change(self, data):

        if self.reference_data is None:
            return

        self.height_att = self.reference_data.find_component_id('height')
        self.parent_att = self.reference_data.find_component_id('parent')
        self.order_att = self.height_att

    def _update_layout(self, att):
        if self.height_att is None or self.parent_att is None or self.order_att is None or self.reference_data is None:
            self._layout = None
        else:
            height = self.reference_data[self.height_att].ravel()
            parent = self.reference_data[self.parent_att].astype(int).ravel()
            order = self.reference_data[self.order_att].ravel()
            x, y = dendrogram_layout(parent, height, order)
            self._layout = Layout(x, y)

    def _layers_changed(self, *args):

        layers_data = self.layers_data
        layers_data_cache = getattr(self, '_layers_data_cache', [])

        if layers_data == layers_data_cache:
            return

        self.height_att_helper.set_multiple_data(layers_data)
        self.parent_att_helper.set_multiple_data(layers_data)
        self.order_att_helper.set_multiple_data(layers_data)

        for layer in layers_data:
            if isinstance(layer, Data):
                self.reference_data = layer
                break

        self._layers_data_cache = layers_data
コード例 #52
0
ファイル: state.py プロジェクト: jzuhone/glue
    def __init__(self, viewer_state=None, layer=None, **kwargs):

        super(ScatterLayerState, self).__init__(viewer_state=viewer_state, layer=layer)

        self.limits_cache = {}

        self.cmap_lim_helper = StateAttributeLimitsHelper(self, attribute='cmap_att',
                                                          lower='cmap_vmin', upper='cmap_vmax',
                                                          limits_cache=self.limits_cache)

        self.size_lim_helper = StateAttributeLimitsHelper(self, attribute='size_att',
                                                          lower='size_vmin', upper='size_vmax',
                                                          limits_cache=self.limits_cache)

        self.cmap_att_helper = ComponentIDComboHelper(self, 'cmap_att',
                                                      numeric=True, categorical=False)

        self.size_att_helper = ComponentIDComboHelper(self, 'size_att',
                                                      numeric=True, categorical=False)

        self.xerr_att_helper = ComponentIDComboHelper(self, 'xerr_att',
                                                      numeric=True, categorical=False)

        self.yerr_att_helper = ComponentIDComboHelper(self, 'yerr_att',
                                                      numeric=True, categorical=False)

        self.vx_att_helper = ComponentIDComboHelper(self, 'vx_att',
                                                    numeric=True, categorical=False)

        self.vy_att_helper = ComponentIDComboHelper(self, 'vy_att',
                                                    numeric=True, categorical=False)

        points_mode_display = {'auto': 'Density map or markers (auto)',
                               'markers': 'Markers',
                               'density': 'Density map'}

        ScatterLayerState.points_mode.set_choices(self, ['auto', 'markers', 'density'])
        ScatterLayerState.points_mode.set_display_func(self, points_mode_display.get)

        self.add_callback('points_mode', self._update_density_map_mode)

        ScatterLayerState.cmap_mode.set_choices(self, ['Fixed', 'Linear'])
        ScatterLayerState.size_mode.set_choices(self, ['Fixed', 'Linear'])

        linestyle_display = {'solid': '–––––––',
                             'dashed': '– – – – –',
                             'dotted': '· · · · · · · ·',
                             'dashdot': '– · – · – ·'}

        ScatterLayerState.linestyle.set_choices(self, ['solid', 'dashed', 'dotted', 'dashdot'])
        ScatterLayerState.linestyle.set_display_func(self, linestyle_display.get)

        ScatterLayerState.vector_mode.set_choices(self, ['Cartesian', 'Polar'])

        vector_origin_display = {'tail': 'Tail of vector',
                                 'middle': 'Middle of vector',
                                 'tip': 'Tip of vector'}

        ScatterLayerState.vector_origin.set_choices(self, ['tail', 'middle', 'tip'])
        ScatterLayerState.vector_origin.set_display_func(self, vector_origin_display.get)

        stretch_display = {'linear': 'Linear',
                           'sqrt': 'Square Root',
                           'arcsinh': 'Arcsinh',
                           'log': 'Logarithmic'}

        ScatterLayerState.stretch.set_choices(self, ['linear', 'sqrt', 'arcsinh', 'log'])
        ScatterLayerState.stretch.set_display_func(self, stretch_display.get)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        self.cmap = colormaps.members[0][1]

        self.size = self.layer.style.markersize

        self._sync_size = keep_in_sync(self, 'size', self.layer.style, 'markersize')

        self.update_from_dict(kwargs)
コード例 #53
0
ファイル: state.py プロジェクト: jzuhone/glue
class ScatterViewerState(MatplotlibDataViewerState):
    """
    A state class that includes all the attributes for a scatter viewer.
    """

    x_att = DDSCProperty(docstring='The attribute to show on the x-axis', default_index=0)
    y_att = DDSCProperty(docstring='The attribute to show on the y-axis', default_index=1)
    dpi = DDCProperty(72, docstring='The resolution (in dots per inch) of density maps, if present')

    def __init__(self, **kwargs):

        super(ScatterViewerState, self).__init__()

        self.limits_cache = {}

        self.x_lim_helper = StateAttributeLimitsHelper(self, attribute='x_att',
                                                       lower='x_min', upper='x_max',
                                                       log='x_log', margin=0.05,
                                                       limits_cache=self.limits_cache)

        self.y_lim_helper = StateAttributeLimitsHelper(self, attribute='y_att',
                                                       lower='y_min', upper='y_max',
                                                       log='y_log', margin=0.05,
                                                       limits_cache=self.limits_cache)

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att', pixel_coord=True, world_coord=True)
        self.y_att_helper = ComponentIDComboHelper(self, 'y_att', pixel_coord=True, world_coord=True)

        self.update_from_dict(kwargs)

        self.add_callback('x_log', self._reset_x_limits)
        self.add_callback('y_log', self._reset_y_limits)

    def _reset_x_limits(self, *args):
        self.x_lim_helper.percentile = 100
        self.x_lim_helper.update_values(force=True)

    def _reset_y_limits(self, *args):
        self.y_lim_helper.percentile = 100
        self.y_lim_helper.update_values(force=True)

    def reset_limits(self):
        self._reset_x_limits()
        self._reset_y_limits()

    def flip_x(self):
        """
        Flip the x_min/x_max limits.
        """
        self.x_lim_helper.flip_limits()

    def flip_y(self):
        """
        Flip the y_min/y_max limits.
        """
        self.y_lim_helper.flip_limits()

    @property
    def x_categories(self):
        return self._categories(self.x_att)

    @property
    def y_categories(self):
        return self._categories(self.y_att)

    def _categories(self, cid):

        categories = []

        for layer_state in self.layers:

            if isinstance(layer_state.layer, BaseData):
                layer = layer_state.layer
            else:
                layer = layer_state.layer.data

            try:
                if layer.data.get_kind(cid) == 'categorical':
                    categories.append(layer.data.get_data(cid).categories)
            except IncompatibleAttribute:
                pass

        if len(categories) == 0:
            return None
        else:
            return np.unique(np.hstack(categories))

    @property
    def x_kinds(self):
        return self._component_kinds(self.x_att)

    @property
    def y_kinds(self):
        return self._component_kinds(self.y_att)

    def _component_kinds(self, cid):

        # Construct list of component kinds over all layers

        kinds = set()

        for layer_state in self.layers:

            if isinstance(layer_state.layer, BaseData):
                layer = layer_state.layer
            else:
                layer = layer_state.layer.data

            try:
                kinds.add(layer.data.get_kind(cid))
            except IncompatibleAttribute:
                pass

        return kinds

    def _layers_changed(self, *args):

        layers_data = self.layers_data
        layers_data_cache = getattr(self, '_layers_data_cache', [])

        if layers_data == layers_data_cache:
            return

        self.x_att_helper.set_multiple_data(self.layers_data)
        self.y_att_helper.set_multiple_data(self.layers_data)

        self._layers_data_cache = layers_data
コード例 #54
0
ファイル: state.py プロジェクト: PennyQ/glue
class ScatterLayerState(MatplotlibLayerState):
    """
    A state class that includes all the attributes for layers in a scatter plot.
    """

    # General properties

    style = DDSCProperty(docstring="The layer style")
    size = DDCProperty(docstring="The size of the markers")

    # Scatter layer

    cmap_mode = DDSCProperty(docstring="Whether to use color to encode an attribute")
    cmap_att = DDSCProperty(docstring="The attribute to use for the color")
    cmap_vmin = DDCProperty(docstring="The lower level for the colormap")
    cmap_vmax = DDCProperty(docstring="The upper level for the colormap")
    cmap = DDCProperty(docstring="The colormap to use (when in colormap mode)")

    size_mode = DDSCProperty(docstring="Whether to use size to encode an attribute")
    size_att = DDSCProperty(docstring="The attribute to use for the size")
    size_vmin = DDCProperty(docstring="The lower level for the size mapping")
    size_vmax = DDCProperty(docstring="The upper level for the size mapping")
    size_scaling = DDCProperty(1, docstring="Relative scaling of the size")

    xerr_visible = DDCProperty(False, docstring="Whether to show x error bars")
    yerr_visible = DDCProperty(False, docstring="Whether to show y error bars")
    xerr_att = DDSCProperty(docstring="The attribute to use for the x error bars")
    yerr_att = DDSCProperty(docstring="The attribute to use for the y error bars")

    # Line plot layer

    linewidth = DDCProperty(1, docstring="The line width")
    linestyle = DDSCProperty(docstring="The line style")

    def __init__(self, viewer_state=None, layer=None, **kwargs):

        super(ScatterLayerState, self).__init__(viewer_state=viewer_state, layer=layer)

        self.limits_cache = {}

        self.cmap_lim_helper = StateAttributeLimitsHelper(self, attribute='cmap_att',
                                                          lower='cmap_vmin', upper='cmap_vmax',
                                                          limits_cache=self.limits_cache)

        self.size_lim_helper = StateAttributeLimitsHelper(self, attribute='size_att',
                                                          lower='size_vmin', upper='size_vmax',
                                                          limits_cache=self.limits_cache)

        self.cmap_att_helper = ComponentIDComboHelper(self, 'cmap_att',
                                                      numeric=True, categorical=False)

        self.size_att_helper = ComponentIDComboHelper(self, 'size_att',
                                                      numeric=True, categorical=False)

        self.xerr_att_helper = ComponentIDComboHelper(self, 'xerr_att',
                                                      numeric=True, categorical=False)

        self.yerr_att_helper = ComponentIDComboHelper(self, 'yerr_att',
                                                      numeric=True, categorical=False)

        ScatterLayerState.style.set_choices(self, ['Scatter', 'Line'])
        ScatterLayerState.cmap_mode.set_choices(self, ['Fixed', 'Linear'])
        ScatterLayerState.size_mode.set_choices(self, ['Fixed', 'Linear'])

        linestyle_display = {'solid': '–––––––',
                             'dashed': '– – – – –',
                             'dotted': '· · · · · · · ·',
                             'dashdot': '– · – · – ·'}

        ScatterLayerState.linestyle.set_choices(self, ['solid', 'dashed', 'dotted', 'dashdot'])
        ScatterLayerState.linestyle.set_display_func(self, linestyle_display.get)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        self.cmap = colormaps.members[0][1]

        self.size = self.layer.style.markersize

        self._sync_size = keep_in_sync(self, 'size', self.layer.style, 'markersize')

        self.update_from_dict(kwargs)

    def _on_layer_change(self, layer=None):

        with delay_callback(self, 'cmap_vmin', 'cmap_vmax', 'size_vmin', 'size_vmax'):

            if self.layer is None:
                self.cmap_att_helper.set_multiple_data([])
                self.size_att_helper.set_multiple_data([])
            else:
                self.cmap_att_helper.set_multiple_data([self.layer])
                self.size_att_helper.set_multiple_data([self.layer])

            if self.layer is None:
                self.xerr_att_helper.set_multiple_data([])
                self.yerr_att_helper.set_multiple_data([])
            else:
                self.xerr_att_helper.set_multiple_data([self.layer])
                self.yerr_att_helper.set_multiple_data([self.layer])

    def flip_cmap(self):
        """
        Flip the cmap_vmin/cmap_vmax limits.
        """
        self.cmap_lim_helper.flip_limits()

    def flip_size(self):
        """
        Flip the size_vmin/size_vmax limits.
        """
        self.size_lim_helper.flip_limits()
コード例 #55
0
ファイル: state.py プロジェクト: jzuhone/glue
class ScatterLayerState(MatplotlibLayerState):
    """
    A state class that includes all the attributes for layers in a scatter plot.
    """

    # Color

    cmap_mode = DDSCProperty(docstring="Whether to use color to encode an attribute")
    cmap_att = DDSCProperty(docstring="The attribute to use for the color")
    cmap_vmin = DDCProperty(docstring="The lower level for the colormap")
    cmap_vmax = DDCProperty(docstring="The upper level for the colormap")
    cmap = DDCProperty(docstring="The colormap to use (when in colormap mode)")

    # Points

    points_mode = DDSCProperty(docstring='Whether to use markers or a density map')

    # Markers

    markers_visible = DDCProperty(True, docstring="Whether to show markers")
    size = DDCProperty(docstring="The size of the markers")
    size_mode = DDSCProperty(docstring="Whether to use size to encode an attribute")
    size_att = DDSCProperty(docstring="The attribute to use for the size")
    size_vmin = DDCProperty(docstring="The lower level for the size mapping")
    size_vmax = DDCProperty(docstring="The upper level for the size mapping")
    size_scaling = DDCProperty(1, docstring="Relative scaling of the size")
    fill = DDCProperty(True, docstring="Whether to fill the markers")

    # Density map

    density_map = DDCProperty(False, docstring="Whether to show the points as a density map")
    stretch = DDSCProperty(default='log', docstring='The stretch used to render the layer, '
                                                    'which should be one of ``linear``, '
                                                    '``sqrt``, ``log``, or ``arcsinh``')
    density_contrast = DDCProperty(1, docstring="The dynamic range of the density map")

    # Note that we keep the dpi in the viewer state since we want it to always
    # be in sync between layers.

    # Line

    line_visible = DDCProperty(False, docstring="Whether to show a line connecting all positions")
    linewidth = DDCProperty(1, docstring="The line width")
    linestyle = DDSCProperty(docstring="The line style")

    # Errorbars

    xerr_visible = DDCProperty(False, docstring="Whether to show x error bars")
    yerr_visible = DDCProperty(False, docstring="Whether to show y error bars")
    xerr_att = DDSCProperty(docstring="The attribute to use for the x error bars")
    yerr_att = DDSCProperty(docstring="The attribute to use for the y error bars")

    # Vectors

    vector_visible = DDCProperty(False, docstring="Whether to show vector plot")
    vx_att = DDSCProperty(docstring="The attribute to use for the x vector arrow")
    vy_att = DDSCProperty(docstring="The attribute to use for the y vector arrow")
    vector_arrowhead = DDCProperty(False, docstring="Whether to show vector arrow")
    vector_mode = DDSCProperty(default_index=0, docstring="Whether to plot the vectors in cartesian or polar mode")
    vector_origin = DDSCProperty(default_index=1, docstring="Whether to place the vector so that the origin is at the tail, middle, or tip")
    vector_scaling = DDCProperty(1, docstring="The relative scaling of the arrow length")

    def __init__(self, viewer_state=None, layer=None, **kwargs):

        super(ScatterLayerState, self).__init__(viewer_state=viewer_state, layer=layer)

        self.limits_cache = {}

        self.cmap_lim_helper = StateAttributeLimitsHelper(self, attribute='cmap_att',
                                                          lower='cmap_vmin', upper='cmap_vmax',
                                                          limits_cache=self.limits_cache)

        self.size_lim_helper = StateAttributeLimitsHelper(self, attribute='size_att',
                                                          lower='size_vmin', upper='size_vmax',
                                                          limits_cache=self.limits_cache)

        self.cmap_att_helper = ComponentIDComboHelper(self, 'cmap_att',
                                                      numeric=True, categorical=False)

        self.size_att_helper = ComponentIDComboHelper(self, 'size_att',
                                                      numeric=True, categorical=False)

        self.xerr_att_helper = ComponentIDComboHelper(self, 'xerr_att',
                                                      numeric=True, categorical=False)

        self.yerr_att_helper = ComponentIDComboHelper(self, 'yerr_att',
                                                      numeric=True, categorical=False)

        self.vx_att_helper = ComponentIDComboHelper(self, 'vx_att',
                                                    numeric=True, categorical=False)

        self.vy_att_helper = ComponentIDComboHelper(self, 'vy_att',
                                                    numeric=True, categorical=False)

        points_mode_display = {'auto': 'Density map or markers (auto)',
                               'markers': 'Markers',
                               'density': 'Density map'}

        ScatterLayerState.points_mode.set_choices(self, ['auto', 'markers', 'density'])
        ScatterLayerState.points_mode.set_display_func(self, points_mode_display.get)

        self.add_callback('points_mode', self._update_density_map_mode)

        ScatterLayerState.cmap_mode.set_choices(self, ['Fixed', 'Linear'])
        ScatterLayerState.size_mode.set_choices(self, ['Fixed', 'Linear'])

        linestyle_display = {'solid': '–––––––',
                             'dashed': '– – – – –',
                             'dotted': '· · · · · · · ·',
                             'dashdot': '– · – · – ·'}

        ScatterLayerState.linestyle.set_choices(self, ['solid', 'dashed', 'dotted', 'dashdot'])
        ScatterLayerState.linestyle.set_display_func(self, linestyle_display.get)

        ScatterLayerState.vector_mode.set_choices(self, ['Cartesian', 'Polar'])

        vector_origin_display = {'tail': 'Tail of vector',
                                 'middle': 'Middle of vector',
                                 'tip': 'Tip of vector'}

        ScatterLayerState.vector_origin.set_choices(self, ['tail', 'middle', 'tip'])
        ScatterLayerState.vector_origin.set_display_func(self, vector_origin_display.get)

        stretch_display = {'linear': 'Linear',
                           'sqrt': 'Square Root',
                           'arcsinh': 'Arcsinh',
                           'log': 'Logarithmic'}

        ScatterLayerState.stretch.set_choices(self, ['linear', 'sqrt', 'arcsinh', 'log'])
        ScatterLayerState.stretch.set_display_func(self, stretch_display.get)

        self.add_callback('layer', self._on_layer_change)
        if layer is not None:
            self._on_layer_change()

        self.cmap = colormaps.members[0][1]

        self.size = self.layer.style.markersize

        self._sync_size = keep_in_sync(self, 'size', self.layer.style, 'markersize')

        self.update_from_dict(kwargs)

    def _on_layer_change(self, layer=None):

        with delay_callback(self, 'cmap_vmin', 'cmap_vmax', 'size_vmin', 'size_vmax', 'density_map'):

            self._update_density_map_mode()

            if self.layer is None:
                self.cmap_att_helper.set_multiple_data([])
                self.size_att_helper.set_multiple_data([])
            else:
                self.cmap_att_helper.set_multiple_data([self.layer])
                self.size_att_helper.set_multiple_data([self.layer])

            if self.layer is None:
                self.xerr_att_helper.set_multiple_data([])
                self.yerr_att_helper.set_multiple_data([])
            else:
                self.xerr_att_helper.set_multiple_data([self.layer])
                self.yerr_att_helper.set_multiple_data([self.layer])

            if self.layer is None:
                self.vx_att_helper.set_multiple_data([])
                self.vy_att_helper.set_multiple_data([])
            else:
                self.vx_att_helper.set_multiple_data([self.layer])
                self.vy_att_helper.set_multiple_data([self.layer])

    def _update_density_map_mode(self, *args):
        if self.points_mode == 'auto':
            if self.layer.size > 100000:
                self.density_map = True
            else:
                self.density_map = False
        elif self.points_mode == 'density':
            self.density_map = True
        else:
            self.density_map = False

    def flip_cmap(self):
        """
        Flip the cmap_vmin/cmap_vmax limits.
        """
        self.cmap_lim_helper.flip_limits()

    def flip_size(self):
        """
        Flip the size_vmin/size_vmax limits.
        """
        self.size_lim_helper.flip_limits()

    @property
    def cmap_name(self):
        return colormaps.name_from_cmap(self.cmap)

    @classmethod
    def __setgluestate__(cls, rec, context):
        # Patch for glue files produced with glue v0.11
        if 'style' in rec['values']:
            style = context.object(rec['values'].pop('style'))
            if style == 'Scatter':
                rec['values']['markers_visible'] = True
                rec['values']['line_visible'] = False
            elif style == 'Line':
                rec['values']['markers_visible'] = False
                rec['values']['line_visible'] = True
        return super(ScatterLayerState, cls).__setgluestate__(rec, context)
コード例 #56
0
ファイル: state.py プロジェクト: PennyQ/glue
class ScatterViewerState(MatplotlibDataViewerState):
    """
    A state class that includes all the attributes for a scatter viewer.
    """

    x_att = DDSCProperty(docstring='The attribute to show on the x-axis', default_index=0)
    y_att = DDSCProperty(docstring='The attribute to show on the y-axis', default_index=1)

    def __init__(self, **kwargs):

        super(ScatterViewerState, self).__init__()

        self.limits_cache = {}

        self.x_lim_helper = StateAttributeLimitsHelper(self, attribute='x_att',
                                                       lower='x_min', upper='x_max',
                                                       log='x_log',
                                                       limits_cache=self.limits_cache)

        self.y_lim_helper = StateAttributeLimitsHelper(self, attribute='y_att',
                                                       lower='y_min', upper='y_max',
                                                       log='y_log',
                                                       limits_cache=self.limits_cache)

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att')
        self.y_att_helper = ComponentIDComboHelper(self, 'y_att')

        self.update_from_dict(kwargs)

    def _update_priority(self, name):
        if name == 'layers':
            return 2
        elif name.endswith('_log'):
            return 0.5
        elif name.endswith(('_min', '_max')):
            return 0
        else:
            return 1

    def flip_x(self):
        """
        Flip the x_min/x_max limits.
        """
        self.x_lim_helper.flip_limits()

    def flip_y(self):
        """
        Flip the y_min/y_max limits.
        """
        self.y_lim_helper.flip_limits()

    def _get_x_components(self):
        return self._get_components(self.x_att)

    def _get_y_components(self):
        return self._get_components(self.y_att)

    def _get_components(self, cid):

        # Construct list of components over all layers

        components = []

        for layer_state in self.layers:

            if isinstance(layer_state.layer, Data):
                layer = layer_state.layer
            else:
                layer = layer_state.layer.data

            try:
                components.append(layer.data.get_component(cid))
            except IncompatibleAttribute:
                pass

        return components

    def _layers_changed(self, *args):

        layers_data = self.layers_data
        layers_data_cache = getattr(self, '_layers_data_cache', [])

        if layers_data == layers_data_cache:
            return

        self.x_att_helper.set_multiple_data(self.layers_data)
        self.y_att_helper.set_multiple_data(self.layers_data)

        self._layers_data_cache = layers_data
コード例 #57
0
ファイル: state.py プロジェクト: sergiopasra/glue
class HistogramViewerState(MatplotlibDataViewerState):
    """
    A state class that includes all the attributes for a histogram viewer.
    """

    x_att = DDSCProperty(docstring='The attribute to compute the histograms for')

    cumulative = DDCProperty(False, docstring='Whether to show the histogram as '
                                              'a cumulative histogram')
    normalize = DDCProperty(False, docstring='Whether to normalize the histogram '
                                             '(based on the total sum)')

    hist_x_min = DDCProperty(docstring='The minimum value used to compute the '
                                       'histogram')
    hist_x_max = DDCProperty(docstring='The maxumum value used to compute the '
                                       'histogram')
    hist_n_bin = DDCProperty(docstring='The number of bins in the histogram')

    common_n_bin = DDCProperty(True, docstring='The number of bins to use for '
                                               'all numerical components')

    def __init__(self, **kwargs):

        super(HistogramViewerState, self).__init__()

        self.hist_helper = StateAttributeHistogramHelper(self, 'x_att', lower='hist_x_min',
                                                         upper='hist_x_max', n_bin='hist_n_bin',
                                                         common_n_bin='common_n_bin')

        self.x_lim_helper = StateAttributeLimitsHelper(self, 'x_att', lower='x_min',
                                                       upper='x_max', log='x_log')

        self.add_callback('layers', self._layers_changed)

        self.x_att_helper = ComponentIDComboHelper(self, 'x_att',
                                                   pixel_coord=True, world_coord=True)

        self.update_from_dict(kwargs)

        # This should be added after update_from_dict since we don't want to
        # influence the restoring of sessions.
        self.add_callback('hist_x_min', self.update_view_to_bins)
        self.add_callback('hist_x_max', self.update_view_to_bins)

        self.add_callback('x_log', self._reset_x_limits, priority=1000)

    def _reset_x_limits(self, *args):
        with delay_callback(self, 'hist_x_min', 'hist_x_max', 'x_min', 'x_max', 'x_log'):
            self.x_lim_helper.percentile = 100
            self.x_lim_helper.update_values(force=True)
            self.update_bins_to_view()

    def reset_limits(self):
        self._reset_x_limits()
        self.y_min = min(getattr(layer, '_y_min', np.inf) for layer in self.layers)
        self.y_max = max(getattr(layer, '_y_max', 0) for layer in self.layers)

    def _update_priority(self, name):
        if name == 'layers':
            return 2
        elif name.endswith('_log'):
            return 0.5
        elif name.endswith(('_min', '_max', '_bin')):
            return 0
        else:
            return 1

    def flip_x(self):
        """
        Flip the x_min/x_max limits.
        """
        self.x_lim_helper.flip_limits()

    @avoid_circular
    def update_bins_to_view(self, *args):
        """
        Update the bins to match the current view.
        """
        with delay_callback(self, 'hist_x_min', 'hist_x_max'):
            if self.x_max > self.x_min:
                self.hist_x_min = self.x_min
                self.hist_x_max = self.x_max
            else:
                self.hist_x_min = self.x_max
                self.hist_x_max = self.x_min

    @avoid_circular
    def update_view_to_bins(self, *args):
        """
        Update the view to match the histogram interval
        """
        with delay_callback(self, 'x_min', 'x_max'):
            self.x_min = self.hist_x_min
            self.x_max = self.hist_x_max

    def _get_x_components(self):

        if self.x_att is None:
            return []

        # Construct list of components over all layers

        components = []

        for layer_state in self.layers:

            if isinstance(layer_state.layer, Data):
                layer = layer_state.layer
            else:
                layer = layer_state.layer.data

            try:
                components.append(layer.get_component(self.x_att))
            except IncompatibleAttribute:
                pass

        return components

    @property
    def bins(self):
        """
        The position of the bins for the histogram based on the current state.
        """

        if self.hist_x_min is None or self.hist_x_max is None or self.hist_n_bin is None:
            return None

        if self.x_log:
            return np.logspace(np.log10(self.hist_x_min),
                               np.log10(self.hist_x_max),
                               self.hist_n_bin + 1)
        elif isinstance(self.hist_x_min, np.datetime64):
            x_min = self.hist_x_min.astype(int)
            x_max = self.hist_x_max.astype(self.hist_x_min.dtype).astype(int)
            return np.linspace(x_min, x_max, self.hist_n_bin + 1).astype(self.hist_x_min.dtype)
        else:
            return np.linspace(self.hist_x_min, self.hist_x_max,
                               self.hist_n_bin + 1)

    @defer_draw
    def _layers_changed(self, *args):
        self.x_att_helper.set_multiple_data(self.layers_data)