### Navigation

- ☰
- PyTecplot-0.8 »
- Module code »

# Source code for tecplot.plot.grid

    from builtins import super

    from ..constant import *
    from .. import session
    from ..tecutil import sv

    class GridArea(session.Style):
        """Grid area for polar 2D plots.

        .. code-block:: python
            :emphasize-lines: 15-18

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, ThetaMode, Color

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, 'XY', 'line_plots_ind_v_dep_var.lpk')
            dataset = tp.load_layout(datafile)

            plot = tp.active_frame().plot(PlotType.PolarLine)
            plot.activate()

            plot.axes.theta_axis.mode = ThetaMode.Radians
            plot.axes.grid_area.fill_color = Color.Creme

            grid_area = plot.axes.grid_area
            grid_area.filled = True
            grid_area.fill_color = Color.SkyBlue
            grid_area.show_border = True

            tp.export.save_png('grid_area_polar.png', 600)

        ..  figure:: /_static/images/grid_area_polar.png
            :width: 300px
            :figwidth: 300px
        """

        def __init__(self, axes):
            self.axes = axes
            super().__init__(axes._sv, sv.GRIDAREA, **axes._style_attrs)

        @property
        def filled(self):
            """Fill the axes area background color.

            :type: `boolean <bool>`

            Example usage::

                >>> from tecplot.constant import Color
                >>> plot.axes.grid_area.filled = True
                >>> plot.axes.grid_area.fill_color = Color.LightGreen
            """
            return self._get_style(bool, sv.ISFILLED)

        @filled.setter
        def filled(self, value):
            self._set_style(bool(value), sv.ISFILLED)

        @property
        def fill_color(self):
            """Axes area background color.

            :type: `Color`

            This requires the ``filled`` attribute to be `True`::

                >>> from tecplot.constant import Color
                >>> plot.axes.grid_area.filled = True
                >>> plot.axes.grid_area.fill_color = Color.LightGreen
            """
            return self._get_style(Color, sv.FILLCOLOR)

        @fill_color.setter
        def fill_color(self, value):
            self._set_style(Color(value), sv.FILLCOLOR)

        @property
        def show_border(self):
            """Draw border around axes area.

            :type: `boolean <bool>`

            Example usage::

                >>> plot.axes.grid_area.show_border = True
            """
            return self._get_style(bool, sv.DRAWBORDER)

        @show_border.setter
        def show_border(self, value):
            self._set_style(bool(value), sv.DRAWBORDER)

    class Cartesian2DGridArea(GridArea):
        """Grid area for cartesian 2D plots.

        .. code-block:: python
            :emphasize-lines: 15-18

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, Color

            examples_dir = tp.session.tecplot_examples_directory()
            infile = path.join(examples_dir, 'XY', 'y_axis2.plt')
            dataset = tp.data.load_tecplot(infile)

            frame = tp.active_frame()
            plot = frame.plot(PlotType.XYLine)

            plot.linemap(0).line.color = Color.DarkBlue
            plot.linemap(0).line.line_thickness = 1.0

            grid_area = plot.axes.grid_area
            grid_area.filled = True
            grid_area.fill_color = Color.SkyBlue
            grid_area.show_border = True

            tp.export.save_png('grid_area_2d.png', 600)

        ..  figure:: /_static/images/grid_area_2d.png
            :width: 300px
            :figwidth: 300px
        """

        @property
        def border_color(self):
            """Border line color.

            :type: `Color`

            Example usage::

                >>> from tecplot.constant import Color
                >>> plot.axes.grid_area.show_border = True
                >>> plot.axes.grid_area.border_color = Color.LightGreen
            """
            return self._get_style(Color, sv.COLOR)

        @border_color.setter
        def border_color(self, value):
            self._set_style(Color(value), sv.COLOR)

        @property
        def border_thickness(self):
            """Width of the border lines to be drawn.

            :type: `float`

            Example usage::

                >>> plot.axes.grid_area.border_thickness = 0.5
            """
            return self._get_style(float, sv.LINETHICKNESS)

        @border_thickness.setter
        def border_thickness(self, value):
            self._set_style(float(value), sv.LINETHICKNESS)

    class Cartesian3DGridArea(GridArea):
        """Grid area for 3D field plots.

        .. code-block:: python
            :emphasize-lines: 22-25

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, SurfacesToPlot, Color

            examples_dir = tp.session.tecplot_examples_directory()
            infile = path.join(examples_dir, '3D', 'Arrow.plt')
            dataset = tp.data.load_tecplot(infile)

            frame = tp.active_frame()
            plot = frame.plot(PlotType.Cartesian3D)
            plot.show_contour = True
            plot.contour(0).variable = dataset.variable('P')
            plot.contour(0).legend.show = False

            for fmap in plot.fieldmaps:
                fmap.contour.show = True
                fmap.surfaces.surfaces_to_plot = SurfacesToPlot.BoundaryFaces

            for axis in plot.axes:
                axis.show = True

            grid_area = plot.axes.grid_area
            grid_area.fill_color = Color.SkyBlue
            grid_area.show_border = True
            grid_area.use_lighting_effect = True

            plot.view.fit()

            tp.export.save_png('grid_area_3d.png', 600)

        ..  figure:: /_static/images/grid_area_3d.png
            :width: 300px
            :figwidth: 300px
        """

        @property
        def use_lighting_effect(self):
            """Enable lighting effect shading on grid area.

            :type: `boolean <bool>`

            Example usage::

                >>> plot.axes.grid_area.use_lighting_effect = True
            """
            return self._get_style(bool, sv.USELIGHTSOURCETOFILL)

        @use_lighting_effect.setter
        def use_lighting_effect(self, value):
            self._set_style(bool(value), sv.USELIGHTSOURCETOFILL)

    class PreciseGrid(session.Style):
        """Grid of precise dots aligned with all tick marks.

        .. code-block:: python
            :emphasize-lines: 19-21

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, LinePattern, Color

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, '3D', 'RainierElevation.plt')
            dataset = tp.data.load_tecplot(datafile)

            plot = tp.active_frame().plot(PlotType.Cartesian2D)
            plot.activate()

            plot.show_contour = True
            plot.contour(0).colormap_name = 'Elevation - Above Ground Level'

            xaxis = plot.axes.x_axis
            plot.axes.preserve_scale = True
            xaxis.max = xaxis.variable.values(0).max

            grid = plot.axes.precise_grid
            grid.show = True
            grid.size = 0.05

            tp.export.save_png('precise_grid.png', 600)

        ..  figure:: /_static/images/precise_grid.png
            :width: 300px
            :figwidth: 300px
        """
        def __init__(self, axes):
            self.axes = axes
            super().__init__(axes._sv[-1], sv.PRECISEGRID, **axes._style_attrs)

        @property
        def show(self):
            """Draw precise grid dots in axes area.

            :type: `boolean <bool>`

            Example usage::

                >>> plot.axes.precise_grid.show = True
            """
            return self._get_style(bool, sv.INCLUDE)

        @show.setter
        def show(self, value):
            self._set_style(bool(value), sv.INCLUDE)

        @property
        def size(self):
            """Size of the dots for precise grid.

            :type: `float` (cm)

            Example usage::

                >>> plot.axes.precise_grid.size = 0.2
            """
            return self._get_style(float, sv.SIZE)

        @size.setter
        def size(self, value):
            self._set_style(float(value), sv.SIZE)

        @property
        def color(self):
            """Color of the dots for precise grid.

            :type: `Color`

            Example usage::

                >>> plot.axes.precise_grid.color = Color.DarkBlue
            """
            return self._get_style(Color, sv.COLOR)

        @color.setter
        def color(self, value):
            self._set_style(Color(value), sv.COLOR)

    class GridLinesStyle(session.Style):
        def __init__(self, axis, *svargs):
            self.axis = axis
            super().__init__(axis._sv, *svargs, **axis._style_attrs)

        @property
        def show(self):
            """Draw grid lines as tick locations.

            :type: `boolean <bool>`

            Example usage::

                >>> grid_lines.show = True
            """
            return self._get_style(bool, sv.SHOW)

        @show.setter
        def show(self, value):
            self._set_style(bool(value), sv.SHOW)

        @property
        def color(self):
            """`Color` of the grid lines to be drawn.

            :type: `Color`

            Example usage::

                >>> from tecplot.constant import Color
                >>> grid_lines.color = Color.Blue
            """
            return self._get_style(Color, sv.COLOR)

        @color.setter
        def color(self, value):
            self._set_style(Color(value), sv.COLOR)

        @property
        def line_thickness(self):
            """Width of the grid lines to be drawn.

            :type: `float`

            Example usage::

                >>> grid_lines.line_thickness = 0.5
            """
            return self._get_style(float, sv.LINETHICKNESS)

        @line_thickness.setter
        def line_thickness(self, value):
            self._set_style(float(value), sv.LINETHICKNESS)

        @property
        def line_pattern(self):
            """Pattern style of the grid lines to be drawn.

            :type: `LinePattern`

            Possible values: `Solid <LinePattern.Solid>`, `Dashed`, `DashDot`,
            `Dotted`, `LongDash`, `DashDotDot`.

            Example usage::

                >>> from tecplot.constant import LinePattern
                >>> grid_lines.line_pattern = LinePattern.LongDash
            """
            return self._get_style(LinePattern, sv.LINEPATTERN)

        @line_pattern.setter
        def line_pattern(self, value):
            self._set_style(LinePattern(value), sv.LINEPATTERN)

        @property
        def pattern_length(self):
            """Segment length of the repeated line pattern.

            :type: `float`

            Example usage::

                >>> from tecplot.constant import LinePattern
                >>> grid_lines.line_pattern = LinePattern.LongDash
                >>> grid_lines.pattern_length = 3.5
            """
            return self._get_style(float, sv.PATTERNLENGTH)

        @pattern_length.setter
        def pattern_length(self, value):
            self._set_style(float(value), sv.PATTERNLENGTH)

    class GridLines(GridLinesStyle):
        """Major grid lines.

        .. code-block:: python
            :emphasize-lines: 15-18

            from os import path
            import tecplot as tp
            from tecplot.constant import LinePattern, Color

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, '3D_Volume', 'sphere.lpk')
            dataset = tp.load_layout(datafile)

            plot = tp.active_frame().plot()

            plot.axes.grid_area.fill_color = Color.Grey

            for axis in (plot.axes.x_axis, plot.axes.y_axis):
                axis.show = True
                grid_lines = axis.grid_lines
                grid_lines.show = True
                grid_lines.line_pattern = LinePattern.LongDash
                grid_lines.color = Color.Cyan

            plot.view.fit()

            tp.export.save_png('grid_lines.png', 600)

        .. figure:: /_static/images/grid_lines.png
            :width: 300px
            :figwidth: 300px
        """
        def __init__(self, axis):
            GridLinesStyle.__init__(self, axis, sv.GRIDLINES)

    class GridLines2D(GridLines):
        """Major grid lines following the primary tick mark locations.

        The lines drawn are determined by the placement of major tick marks along
        the axis. Example usage::

            from os import path
            import tecplot as tp
            from tecplot.constant import LinePattern, Color

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, 'XY', 'line_plots_ind_v_dep_var.lpk')
            dataset = tp.load_layout(datafile)

            for axis in tp.active_frame().plot().axes:
                grid_lines = axis.grid_lines
                grid_lines.show = True
                grid_lines.line_pattern = LinePattern.LongDash
                grid_lines.color = Color.Green

            tp.export.save_png('grid_lines_2d.png', 600)

        ..  figure:: /_static/images/grid_lines_2d.png
            :width: 300px
            :figwidth: 300px
        """

        @property
        def draw_last(self):
            """Draw grid behind all other plot elements.

            :type: `boolean <bool>`

            Example usage::

                >>> axis.grid_lines.draw_last = True
            """
            return self._get_style(bool, sv.DRAWGRIDLAST)

        @draw_last.setter
        def draw_last(self, value):
            self._set_style(bool(value), sv.DRAWGRIDLAST)

    class MinorGridLines(GridLinesStyle):
        """Minor grid lines.

        .. code-block:: python
            :emphasize-lines: 19-22

            from os import path
            import tecplot as tp
            from tecplot.constant import LinePattern, Color

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, '3D_Volume', 'sphere.lpk')
            dataset = tp.load_layout(datafile)

            plot = tp.active_frame().plot()

            plot.axes.grid_area.fill_color = Color.Grey

            for axis in (plot.axes.x_axis, plot.axes.y_axis):
                axis.show = True

                grid_lines = axis.grid_lines
                grid_lines.show = True

                minor_grid_lines = axis.minor_grid_lines
                minor_grid_lines.show = True
                minor_grid_lines.line_pattern = LinePattern.Dotted
                minor_grid_lines.color = Color.Cyan

            plot.view.fit()

            tp.export.save_png('minor_grid_lines.png', 600)

        .. figure:: /_static/images/minor_grid_lines.png
            :width: 300px
            :figwidth: 300px
        """
        def __init__(self, axis):
            GridLinesStyle.__init__(self, axis, sv.MINORGRIDLINES)

    class MinorGridLines2D(MinorGridLines, GridLines2D):
        """Minor grid lines following the secondary tick mark locations.

        The lines drawn are determined by the placement of minor tick marks along
        the axis. Example usage::

            from os import path
            import tecplot as tp
            from tecplot.constant import LinePattern, Color

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, 'XY', 'line_plots_ind_v_dep_var.lpk')
            dataset = tp.load_layout(datafile)

            for axis in tp.active_frame().plot().axes:
                grid_lines = axis.grid_lines
                grid_lines.show = True

                minor_grid_lines = axis.minor_grid_lines
                minor_grid_lines.show = True
                minor_grid_lines.line_pattern = LinePattern.Dotted
                minor_grid_lines.color = Color.Green

            tp.export.save_png('minor_grid_lines_2d.png', 600)

        ..  figure:: /_static/images/minor_grid_lines_2d.png
            :width: 300px
            :figwidth: 300px
        """

    class PolarAngleGridLines(GridLines2D):
        """Major grid lines along the theta axis.

        The lines drawn are determined by the placement of minor tick marks along
        the axis. Example usage:

        .. code-block:: python
            :emphasize-lines: 17-20

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, ThetaMode, LinePattern, Color

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, 'XY', 'line_plots_ind_v_dep_var.lpk')
            dataset = tp.load_layout(datafile)

            plot = tp.active_frame().plot(PlotType.PolarLine)
            plot.activate()

            plot.axes.theta_axis.mode = ThetaMode.Radians
            plot.axes.grid_area.filled = True
            plot.axes.grid_area.fill_color = Color.Creme

            for axis in plot.axes:
                grid_lines = axis.grid_lines
                grid_lines.show = True
                grid_lines.line_pattern = LinePattern.LongDash
                grid_lines.color = Color.Green

            for lmap in plot.linemaps():
                lmap.show_in_legend = False
                lmap.line.line_pattern = LinePattern.Solid
                lmap.line.line_thickness = 0.8

            tp.export.save_png('grid_lines_polar.png', 600)

        ..  figure:: /_static/images/grid_lines_polar.png
            :width: 300px
            :figwidth: 300px
        """

        @property
        def radial_cutoff(self):
            """Minimum radial position of theta grid lines.

            :type: `float` in percent along r-axis.

            Example usage::

                >>> plot.axes.theta_axis.grid_lines.radial_cutoff = 5
            """
            return self._get_style(float, sv.CUTOFF)

        @radial_cutoff.setter
        def radial_cutoff(self, value):
            self._set_style(float(value), sv.CUTOFF)

    class PolarAngleMinorGridLines(MinorGridLines2D, PolarAngleGridLines):
        """Minor grid lines along the theta axis.

        The lines drawn are determined by the placement of minor tick marks along
        the axis. Example usage:

        .. code-block:: python
            :emphasize-lines: 20-23

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, ThetaMode, LinePattern, Color

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, 'XY', 'line_plots_ind_v_dep_var.lpk')
            dataset = tp.load_layout(datafile)

            plot = tp.active_frame().plot(PlotType.PolarLine)
            plot.activate()

            plot.axes.theta_axis.mode = ThetaMode.Radians
            plot.axes.grid_area.filled = True
            plot.axes.grid_area.fill_color = Color.Creme

            for axis in plot.axes:
                grid_lines = axis.grid_lines
                grid_lines.show = True

                minor_grid_lines = axis.minor_grid_lines
                minor_grid_lines.show = True
                minor_grid_lines.line_pattern = LinePattern.Dotted
                minor_grid_lines.color = Color.Green

            for lmap in plot.linemaps():
                lmap.show_in_legend = False
                lmap.line.line_pattern = LinePattern.Solid
                lmap.line.line_thickness = 0.8

            tp.export.save_png('minor_grid_lines_polar.png', 600)

        ..  figure:: /_static/images/minor_grid_lines_polar.png
            :width: 300px
            :figwidth: 300px
        """
        def __init__(self, axis):
            GridLinesStyle.__init__(self, axis, sv.MINORGRIDLINES)

    class MarkerGridLine(GridLinesStyle):
        """Marker line to indicate a particular position along an axis.

        .. code-block:: python
            :emphasize-lines: 17-21,23-27

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, Color, PositionMarkerBy

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, '3D_Volume', 'sphere.lpk')
            dataset = tp.load_layout(datafile)

            plot = tp.active_frame().plot(PlotType.Cartesian3D)
            plot.activate()

            plot.axes.grid_area.fill_color = Color.Grey

            plot.axes.x_axis.show = True
            plot.axes.y_axis.show = True

            marker = plot.axes.x_axis.marker_grid_line
            marker.show = True
            marker.position_by = PositionMarkerBy.Constant
            marker.position = 1.5
            marker.color = Color.Cyan

            marker = plot.axes.y_axis.marker_grid_line
            marker.show = True
            marker.position_by = PositionMarkerBy.Constant
            marker.position = 0.5
            marker.color = Color.Yellow

            plot.view.fit()

            tp.export.save_png('marker_grid_line.png', 600)

        .. figure:: /_static/images/marker_grid_line.png
            :width: 300px
            :figwidth: 300px
        """
        def __init__(self, axis):
            GridLinesStyle.__init__(self, axis, sv.MARKERGRIDLINE)

        @property
        def position_by(self):
            """Position of the marker line in axes coordinates.

            :type: `PositionMarkerBy`

            Possible values: `PositionMarkerBy.Constant` or
                `PositionMarkerBy.SolutionTime`.

            The position can be set to a constant or to the solution time of the
            linked frame::

                >>> from tecplot.constant import PositionMarkerBy
                >>> marker_line = plot.axes.x_axis.marker_grid_line
                >>> marker_line.position_by = PositionMarkerBy.SolutionTime
            """
            return self._get_style(PositionMarkerBy, sv.POSITIONMARKERBY)

        @position_by.setter
        def position_by(self, value):
            self._set_style(PositionMarkerBy(value), sv.POSITIONMARKERBY)

        @property
        def position(self):
            """Position of the marker line in axes coordinates.

            :type: `float`

            The ``position_by`` attribute must be set to
            `PositionMarkerBy.Constant`::

                >>> from tecplot.constant import PositionMarkerBy
                >>> marker_line = plot.axes.x_axis.marker_grid_line
                >>> marker_line.position_by = PositionMarkerBy.Constant
                >>> marker_line.position = 3.14
            """
            return self._get_style(float, sv.CONSTANTVALUE)

        @position.setter
        def position(self, value):
            self._set_style(float(value), sv.CONSTANTVALUE)

    class MarkerGridLine2D(MarkerGridLine, GridLines2D):
        """Marker line to indicate a particular position along an axis.

        .. code-block:: python
            :emphasize-lines: 12-16,18-22

            from os import path
            import tecplot as tp
            from tecplot.constant import PlotType, Color, PositionMarkerBy

            exdir = tp.session.tecplot_examples_directory()
            datafile = path.join(exdir, 'XY', 'line_plots_ind_v_dep_var.lpk')
            dataset = tp.load_layout(datafile)

            plot = tp.active_frame().plot(PlotType.XYLine)
            plot.activate()

            marker = plot.axes.x_axis(0).marker_grid_line
            marker.show = True
            marker.position_by = PositionMarkerBy.Constant
            marker.position = -0.4
            marker.color = Color.Blue

            marker = plot.axes.y_axis(0).marker_grid_line
            marker.show = True
            marker.position_by = PositionMarkerBy.Constant
            marker.position = -0.88
            marker.color = Color.Blue

            tp.export.save_png('marker_grid_line_2d.png', 600)

        ..  figure:: /_static/images/marker_grid_line_2d.png
            :width: 300px
            :figwidth: 300px
        """

    class PolarAngleMarkerGridLine(MarkerGridLine2D, PolarAngleGridLines):
        """The marker grid line for the theta axis."""

### Navigation

- index
- modules |