from builtins import int, super
from ..constant import *
from ..exception import *
from ..tecutil import sv
from .. import session, tecutil, text
class DataLabels(session.Style):
@property
def show_node_labels(self):
"""`bool`: Display labels at each node.
Example usage::
>>> plot.data_labels.show_node_labels = True
"""
return self._get_style(bool, sv.SHOWNODELABELS)
@show_node_labels.setter
def show_node_labels(self, value):
self._set_style(bool(value), sv.SHOWNODELABELS)
@property
def node_label_type(self):
"""`LabelType`: The value to be displayed for node labels.
Possible values are `LabelType.Index` or `LabelType.VarValue`::
>>> from tecplot.constant import LabelType
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.node_label_type = LabelType.VarValue
"""
return self._get_style(LabelType, sv.NODELABELTYPE)
@node_label_type.setter
def node_label_type(self, value):
self._set_style(LabelType(value), sv.NODELABELTYPE)
@property
def index_step(self):
"""`int`: Step interval between labels.
A value of 1 displays labels on all nodes or cells. Example usage::
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.index_step = 10
.. seealso:: `LinePlotDataLabels.step_mode` for line plots.
"""
return self._get_style(int, sv.INDEXSKIP)
@index_step.setter
def index_step(self, value):
self._set_style(int(value), sv.INDEXSKIP)
@property
def color_by_map(self):
"""`bool`: Inherit `Color` from the symbol or scatter mapping style.
Example usage for linemaps::
>>> from tecplot.constant import Color
>>> plot.linemap(0).symbols.color = Color.Blue
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.color_by_map = True
Example usage for fieldmaps::
>>> from tecplot.constant import Color
>>> plot.fieldmap(0).scatter.color = Color.Yellow
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.color_by_map = True
"""
return self._get_style(bool, sv.COLORBYZONEMAP)
@color_by_map.setter
def color_by_map(self, value):
self._set_style(bool(value), sv.COLORBYZONEMAP)
@property
def color(self):
"""`Color`: The `Color` of the data labels.
Example usage::
>>> from tecplot.constant import Color
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.color = Color.LightBlue
"""
return self._get_style(Color, sv.COLOR)
@color.setter
def color(self, value):
self._set_style(Color(value), sv.COLOR)
@property
def show_box(self):
"""`bool`: Show a box around each label.
This is `True` by default. Set to `False` to disable the box::
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.show_box = False
"""
return self._get_style(bool, sv.INCLUDEBOX)
@show_box.setter
def show_box(self, value):
self._set_style(bool(value), sv.INCLUDEBOX)
@property
def font(self):
"""`text.Font`: Typeface control for all data labels.
Example usage::
>>> plot.data_labels.font.typeface = 'Times'
"""
return text.Font(self)
@property
def label_format(self):
"""`text.LabelFormat`: Floating-point number format control.
Example usage::
>>> from tecplot.constant import NumberFormat
>>> labels = plot.data_labels
>>> labels.label_format.format_type = NumberFormat.Integer
"""
return text.LabelFormat(self)
[docs]class FieldPlotDataLabels(DataLabels):
"""Node and cell labels for field plots.
.. code-block:: python
:emphasize-lines: 20-25
from os import path
import tecplot as tp
from tecplot.constant import LabelType, NumberFormat, PlotType
examples_dir = tp.session.tecplot_examples_directory()
infile = path.join(examples_dir, 'SimpleData', 'RainierElevation.plt')
dataset = tp.data.load_tecplot(infile)
frame = tp.active_frame()
plot = frame.plot(PlotType.Cartesian2D)
plot.activate()
plot.show_contour = True
plot.contour(0).legend.show = False
plot.axes.x_axis.min = -8500
plot.axes.x_axis.max = 8200
plot.axes.y_axis.min = -400
plot.axes.y_axis.max = -150
plot.data_labels.show_node_labels = True
plot.data_labels.node_label_type = LabelType.VarValue
plot.data_labels.node_variable = dataset.variable('E')
plot.data_labels.index_step = 4
plot.data_labels.label_format.format_type = NumberFormat.Integer
plot.data_labels.show_box = False
tp.export.save_png('field_plot_data_labels.png')
.. figure:: /_static/images/field_plot_data_labels.png
:width: 300px
:figwidth: 300px
"""
def __init__(self, plot):
self.plot = plot
super().__init__(sv.GLOBALSCATTER, sv.DATALABELS, **plot._kw)
@property
def show_cell_labels(self):
"""`bool`: Display labels at each cell.
Example usage::
>>> plot.data_labels.show_cell_labels = True
"""
return self._get_style(bool, sv.SHOWCELLLABELS)
@show_cell_labels.setter
def show_cell_labels(self, value):
self._set_style(bool(value), sv.SHOWCELLLABELS)
@property
def cell_label_type(self):
"""`LabelType`: The value to be displayed for cell labels.
Possible values are `LabelType.Index` or `LabelType.VarValue`::
>>> plot.data_labels.show_cell_labels = True
>>> plot.data_labels.cell_label_type = LabelType.VarValue
"""
return self._get_style(LabelType, sv.CELLLABELTYPE)
@cell_label_type.setter
def cell_label_type(self, value):
self._set_style(LabelType(value), sv.CELLLABELTYPE)
@property
def cell_variable_index(self):
"""`Index`: `Index` of the variable to use for cell labels.
Example usage::
>>> from tecplot.constant import LabelType
>>> plot.data_labels.show_cell_labels = True
>>> plot.data_labels.cell_label_type = LabelType.VarValue
>>> plot.data_labels.cell_variable_index = 3
"""
return self._get_style(tecutil.Index, sv.CELLLABELVAR)
@cell_variable_index.setter
def cell_variable_index(self, value):
self._set_style(tecutil.Index(value), sv.CELLLABELVAR)
@property
def cell_variable(self):
"""`Variable`: `Variable` to use for cell labels.
Example usage::
>>> from tecplot.constant import LabelType
>>> plot.data_labels.show_cell_labels = True
>>> plot.data_labels.cell_label_type = LabelType.VarValue
>>> plot.data_labels.cell_variable = dataset.variable('E')
"""
i = self.cell_variable_index
return self.plot.frame.dataset.variable(i)
@cell_variable.setter
def cell_variable(self, value):
self.cell_variable_index = value.index
@property
def node_variable_index(self):
"""`Index`: `Index` of the variable to use for node labels.
Example usage::
>>> from tecplot.constant import LabelType
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.node_label_type = LabelType.VarValue
>>> plot.data_labels.node_variable_index = 3
"""
return self._get_style(tecutil.Index, sv.NODELABELVAR)
@node_variable_index.setter
def node_variable_index(self, value):
self._set_style(tecutil.Index(value), sv.NODELABELVAR)
@property
def node_variable(self):
"""`Variable`: `Variable` to use for node labels.
Example usage::
>>> from tecplot.constant import LabelType
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.node_label_type = LabelType.VarValue
>>> plot.data_labels.node_variable = dataset.variable('E')
"""
i = self.node_variable_index
return self.plot.frame.dataset.variable(i)
@node_variable.setter
def node_variable(self, value):
self.node_variable_index = value.index
[docs]class LinePlotDataLabels(DataLabels):
"""Node labels for line plots.
.. code-block:: python
:emphasize-lines: 12-13
from os import path
import tecplot as tp
from tecplot.constant import PlotType
examples_dir = tp.session.tecplot_examples_directory()
infile = path.join(examples_dir, 'SimpleData', 'SunSpots.plt')
dataset = tp.data.load_tecplot(infile)
frame = tp.active_frame()
plot = frame.plot(PlotType.XYLine)
plot.activate()
plot.data_labels.show_node_labels = True
plot.data_labels.index_step = 3
tp.export.save_png('line_plot_data_labels.png')
.. figure:: /_static/images/line_plot_data_labels.png
:width: 300px
:figwidth: 300px
"""
def __init__(self, plot):
self.plot = plot
super().__init__(sv.GLOBALLINEPLOT, sv.DATALABELS, **plot._kw)
@property
def step_mode(self):
"""`StepMode`: The scale to use when stepping through elements.
Possible values are: `StepMode.ByIndex` and `StepMode.ByFrameUnits`.
Example usage::
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.step_mode = StepMode.ByFrameUnits
>>> plot.data_labels.step_distance = 10.0
"""
return self._get_style(StepMode, sv.SKIPMODE)
@step_mode.setter
def step_mode(self, value):
self._set_style(StepMode(value), sv.SKIPMODE)
@property
def step_distance(self):
"""`float`: Distance between labels when stepping by frame units.
Example usage::
>>> plot.data_labels.show_node_labels = True
>>> plot.data_labels.step_mode = StepMode.ByFrameUnits
>>> plot.data_labels.step_distance = 10.0
"""
return self._get_style(float, sv.DISTANCESKIP)
@step_distance.setter
def step_distance(self, value):
self._set_style(float(value), sv.DISTANCESKIP)
