HyperGraph

Datum Lines Panel - XY Plot

Datum Lines Panel - XY Plot

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Datum Lines Panel - XY Plot

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The Datum Lines panel allows you to add horizontal and vertical datum lines to plots.

datum_lines_panel

Datum Lines panel

The following tabs are included:

Option

Description

Text

Create a label for a datum line and set its display.

Position

Position a datum line label.

Line Attributes

Set the attributes of a datum line.  Click Use Preferences to use the preferences set in the preferences.mvw file.

A datum line can be hidden or displayed on a plot by activating the Datum check box.

You can specify a math expression to define the display of a datum line.

Use the drop-down menu next to the Datum check box to switch between horizontal and vertical datum lines.

Datum lines can be cut, copied, pasted, or added.

hmtoggle_plus1 Activate or deactivate a datum line:

1.From the Datum Lines panel, select a datum line from the Datum list or from the screen.
2.Click the Datum check box so that a check is displayed.
3.Click the Datum check box again to remove the check.

hmtoggle_plus1 Add a datum line to a plot:

1.From the Datum Lines panel, select Horizontal or Vertical.
2.Click Add.

The datum line name is displayed in the datum list.

3.Enter a new name for the datum line in the text box above the datum list.
4.Press ENTER.

The new name is displayed in the datum list.

5.By default, the Datum check box is active and the datum line is displayed in the plot.

For polar plots:

1.From the Datum Lines panel, select Phase or Magnitude.
2.Follow steps 2-5 above.

hmtoggle_plus1 Apply attributes to a datum line:

1.From the Datum Lines panel, select a datum line from the datum list or from the screen.
2.Click the Line Attributes tab.
3.Select a line type.
4.Select a line thickness.
5.Select a line color from the color palette.

The datum line attributes are changed.

hmtoggle_plus1 Associate a datum line with a secondary axis:

1.From the Datum Lines panel, select a datum line from the datum list or from the screen.
2.Click the Position tab.
3.Select an axis from the axis drop-down menu.

The datum line is moved to the new position.

Note

See To add an axis to a plot for more information.

hmtoggle_plus1 Change axis range:

1.From the HyperGraph 2D toolbar, select the Axes panel.
2.From the Axes panel, change the Min/Max values, or:
•zoom in or out with the mouse
•zoom in or out with the view controls
•load/update curve vectors

The datum line for the updated plot window is recalculated.

hmtoggle_plus1 Copy and paste a datum line:

1.From the Datum Lines panel, select a datum line from the datum list or from the screen.
2.Click Copy.
3.Go to the page where you want to paste a copy of the datum line.
4.Click on a plot.
5.Select Horizontal or Vertical.

Note:  For polar plots, select Phase or Radial instead of Horizontal or Vertical.

6.Click Paste.

A copy of the datum line is added to the datum list.

The status of the Datum check box is retained when a datum line is copied.

hmtoggle_plus1 Create a datum line label:

1.From the Datum Lines panel, select a datum line from the datum list or from the screen.
2.Click the Label tab.
3.Enter a label for the datum line in the Text field and press ENTER.

The label is displayed on the plot along the datum line.

You can supply a Templex statement, with brackets, {}, as a label.

4.Click the Font button, HWD_BMP00458.

The Font dialog is displayed.

5.Select a font type from the Font list.
6.Select a font style.
7.Select a font size.
8.Next to Location, select a button depicting a datum line label location in the window.
9.Click OK.

The changes made are displayed on the datum line label.

hmtoggle_plus1 Delete a datum line:

1.From the Datum Lines panel, select a datum line from the datum list or from the screen.
2.Click Cut.

The line is removed from the screen and from the datum line list.

hmtoggle_plus1 Display datum line labels with mouse over:

1.From the HyperGraph 2D toolbar, select the Datum Lines panel.
2.From the Text tab, select Mouse over.
3.Application hides datum line label except for the datum line currently selected in the panel.
4.Move the mouse over the datum line in another panel or when the datum line isn’t the selected datum line in the panel.

HyperGraph 2D displays the datum line label in a bubble help adjacent to, but under, the current mouse location. This is so the mouse cursor doesn’t obscure the text

5.Move the mouse off of the datum line.

HyperGraph 2D hides the datum line label.

Note        Always display the label for selected datum line while in the Datum Line panel.

hmtoggle_plus1 Position a datum line:

1.From the Datum Lines panel, select a datum line from the datum list or from the screen.
2.Activate the Datum check box.
3.Click the Label tab.
4.Enter a value in the Position field.

Value can be any of the following:

•a single value
•a math expression that returns a single value (without curly brackets, {})
•a math expression as a function of x or y, with x or y being the horizontal or vertical axes values, respectively.
5.Select a Y or X axis (optional).

The datum line is moved to the new location on the plot.

Note:  The X or Y axis option does not apply to Polar Plots.

6.Next to Location, select a button depicting a datum line label location in the window.

The datum line label is moved to the new position.

hmtoggle_plus1 Specify a math expression to define the datum line display:

1.From the HyperGraph 2D toolbar, select the Datum Lines panel.
2.Select the Position tab on the Datum Lines panel for a horizontal datum line.

OR

Select the Position tab on the Datum Lines panel for a vertical datum line.

3.For a horizontal datum line, in the Position text field, enter a math expression based on “x”, f(x) and press ENTER or click Apply.

OR

For a vertical datum line, in the Position text field, enter a math expression based on “y”, f(y) and press ENTER or click Apply.

The datum line display is updated to reflect the expression.