XY Plotting > XY Plot Forms > Modify Actions
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Modify Actions
Modify Graph Area Options for Current XY Window
Show or modify the display options for the graph area in the current XY window, including the background color, the border line style, color, and thickness.
 
Action
Modify
Object
XY Window
Select Current XY Window
Lists the names of existing XY windows, with the current XY window selected. Click on a window name from the list to make it the current XY window to which graph area options may be modified.
Graph Area
 
  Display Border
Select this option to display a border around the graph area.
  Line Style
Pull down the Line Style menu to select the graph area border linestyle. Options are Solid, Dotted, Dot-Dash, Short Dash, Long Dash and Odd Dash.
  Border Color
  Background Color
Shows the current border and background color. Click this button to display a color bar to choose a border and/or background color.
  Border Thickness
Adjust the slidebar to set the thickness of the graph area border, 1 to 50.
Apply
Applies the current settings.
Reset
Restores the graph area options for the current XY window to the previous setting.
Modify a Defined Curve
Show/modify the definition of a selected curve, including the curve’s title, display options, plot specifications, and data points.
 
 
Action
Modify
Object
Curve
Curve List
Lists the names of existing curves. Select a curve name from the list to modify.
Title
Displays the Curve Name subordinate form to modify the title text and color.
Options
Displays the Curve Options subordinate form to modify the curve’s attributes.
Data from Keyboard
Displays the Curve Data Keyboard subordinate form to modify the curve’s data points.
Data from File
Displays the Curve Data File subordinate form to import data points from a curve data file.
Data Attributes
Displays the Data Attributes subordinate form to modify the curve’s plot specifications.
Modify a Curve’s Title
This subordinate form appears when the Title button is selected on the XY Plot form when Modify is the selected action and Curve is the selected object. Use this form to change the selected curve’s title and text color. The curve’s title and color are displayed in the Legend box of an XY window where it is posted.
 
Curve Title Text
Shows the curve title that will be displayed in the Legend box. Enter a new name, if desired.
Color
Shows the current curve name color displayed in the Legend box. Click this button to display a color bar to choose a curve name color.
Modify a Curve’s Fit Method and Display Attributes
This subordinate form appears when the Options button is selected on the XY Plot form when Modify is the selected action and Curve is the selected object. Use this form to select the curve fit method and display attributes.
 
Curve Fit
 
  Method
Pull down this menu to select a curve fit method. Options are: Linear, Scatter, Least Squares, and Spline. See Plot Specifications for Curves, 14 for more help.
  Lines Per PC/
  # PCs
When the Least Squares or Spline method is selected, adjust the appropriate slidebar to specify the number of line segments generated per parametric cubic curve or the number of parametric cubic curves that will be generated.
Symbols
 
  Display Symbol
Select this option to display symbols at plotted data points.
  Type
Pull down the Type menu to select a new curve symbol. Options are: Letter X, Plus (+) symbol, Circle (filled/unfilled), Square (filled/unfilled) Triangle (filled/unfilled), Diamond (filled/unfilled), Arrowhead (filled/unfilled), and Hexagon (filled/unfilled).
  Color
Shows the current symbol color. Click this button to display a color bar to choose a symbol color.
  Symbol Size
Adjust the slidebar to set the size of the selected data point symbol.
Curve Style
 
  Line Style
Pull down the Line Style menu to select a curve line style. Options are: Solid, Dotted, Dot Dash, Short Dash, Long Dash, and Odd Dash.
  Color
Shows the current curve color. Click this button to display a color bar to choose a curve color.
  Line Thickness
Adjust the slidebar to set the line thickness of the displayed curve.
Modify a Curve’s Plot Specifications
This subordinate form appears when the Data Attributes button is selected on the XY Plot form when Modify is the selected action and Curve is the selected object. Use this form to define or modify the curve’s plot specifications. The last two databoxes (X Initial Value and X Delta) are only used when the curve’s data type is Y data (i.e., each data point has a Y value, but no X value). See Plot Specifications for Curves, 14 for more help.
 
Start Point/
End Point
Specify an integer defining the number of the first and last data point to be plotted.
X Scale Factor/
Y Scale Factor
Specify a multiplier to be applied to data point values in the X and Y columns. Multipliers may be signed integer or fixed-point numbers.
Frequency
Specify an integer (n) that defines the interval between plotted data points. For example, If n = 1, all data points from the start point to the end point are plotted. If n > 1, every nth data point is plotted.
X Initial Value
When the curve’s data points only have Y values, specify the initial X value to be associated with the Y value at the start point. The X value may be a signed integer or fixed-point number.
X Delta
When the curve’s data points only have Y values, specify the incremental X value to be added to the X value for the preceding plotted data point to obtain the X value for the next plotted data point. The X delta value may be a signed integer or fixed-point number.
Modify a Title
Show/modify the definition of a selected title, including the title text, location, font size, and color.
 
Action
Modify
Object
Title
Title List
Lists the names of existing titles. Select a title from the list to modify.
Title Text
Displays the current title text to modify if desired. See Naming Conventions, 18 for more help.
X Location/
Y Location
Adjust the slidebars to change the horizontal (X) or vertical (Y) location (as a percentage of the distance from the top left corner of the XY window) where the first character of the title will appear. See Locating Titles and Legend Boxes, 20 for more help.
Font Size
Pull down the Font Size menu to select font size for the title. Options are 8, 10, 12, 14, 18, and 24 point.
Color
Displays the current title color. Click this button to display a color bar to choose a title color.
Modify Axis Option
Show/Modify the options for axes in the current XY window, including the axis lines, scale, labels, titles, tick marks, and gridlines.
 
Action
Modify
Object
Axis
Select Current XY Window
Lists the names of existing XY windows, with the current window selected. Select a window name from the list to modify.
Active Axis
Select the appropriate axis or axes to modify.
Options
Displays the Axis Options subordinate form to modify the axis display attributes.
Scale
Displays the Axis Scale subordinate form to modify the axis scale.
Labels
Displays the Axis Labels subordinate form to modify the axis labels.
Title
Displays the Axis Title subordinate form to modify the axis title.
Tick Marks
Displays the Tick Marks subordinate form to modify the axis tick mark specifications.
Gridlines
Displays the Gridlines subordinate form to modify the axis gridline options.
Modify Axis Line Display Attributes
This subordinate form appears when the Options button is selected on the XY Plot form when Modify is the selected action and Axis is the selected object. Use this form to modify the display options for the active axis line.
 
Display Top/Bottom
Specify the side(s) on which the active axis is displayed (top/bottom for X axis, left/right for Y axis).
Line Style
Pull down the Line Style menu to select an axis line style. Options are: Solid, Dotted, Dot Dash, Short Dash, Long Dash, and Odd Dash.
Color
Shows the current axis line color. Click this button to display a color bar to choose a line color.
Line Thickness
Adjust the slidebar to set the thickness of the axis line.
Modify Axis Scale Options
This form appears when the Scale button is selected on the XY Plot form when Modify is the selected action and Axis is the selected object. Use this form to modify the active axis scale. See Axes Scales and Labels, 15 for more help.
 
 
Scale
Select type of scale to be used. Depending on the type of scale chosen, different assignment methods are available to select, which are described below.
Assignment Method
Depending on the assignment method chosen, either arbitrary values, a base value and an increment, or a min-max range can be entered so that tick mark values are automatically calculated and applied to the axis scale.
 
• Automatic (linear scale). Enter the number of primary tick marks. The base value, min-max range, and increment between primary tick marks is automatically calculated from the curve data.
 
• Automatic (logarithmic). All values are automatically calculated from the curve data.
 
• Semi-Automatic (linear scale). Enter a base value and increment, and the number of primary tick marks. The min‑max range will be automatically calculated.
 
• Semi-Automatic (logarithmic scale). Enter a base power of ten value and the number of cycles. The min-max range is calculated automatically.
 
• Manual (linear scale only). Enter the number of primary tick marks which will determine the number of values (signed integer or fixed-point numbers) to be entered.
 
• Range (linear scale only). Enter the lower and upper values and the number of primary tick marks. The increment between tick marks is automatically calculated.
Enter Lower and Upper Values
See Assignment Method, above.
Number of Primary Tick Marks
See Assignment Method, above.
Modify Axis Label Options
This subordinate form appears when the Labels button is selected on the XY Plot form when Modify is the selected action and Axis is the selected object. Use this form to modify the format, number of significant digits, and color of the active axis numeric labels generated at each primary tick mark. For more help, see Axes Scales and Labels, 15.
 
Display Labels
Select this option to display numeric labels at each primary tick mark on the selected axis.
Label Format
Select the format for the axis labels. (The Power option is available only when Logarithmic scale is selected on the Axis Scale form.)
Color
Shows the current axis label color. Click this button to display a color bar to choose a label color.
# Significant Digits
Enter the number of significant digits in axis label (does not apply to the Power format).
Modify Axis Title
This subordinate form appears when the Title button is selected on the XY Plot form when Modify is the selected action and Axis is the selected object. Use this form to modify an axis title text and display attributes, including font color and size.
 
Display Axis Title
Select this option to display an axis title.
Axis Title
Displays the current axis title text to modify if desired.
Font Size
Pull down the Font Size menu to select the axis title font size. Options are 8, 10, 12, 14, 18, and 24 point.
Color
Shows the current axis title color. Click this button to display a color bar to choose a text color.
Modify Axis Tick Mark Display Attributes
This form appears when the Tick Marks button is selected on the XY Plot form when Modify is the selected action and Axis is the selected object. Use this form to modify the display attributes for primary and secondary axis tick marks.
 
Display
Select the tick marks to display, either Primary or Secondary.
Options
Select the tick marks to modify the display options, either Primary, Secondary, or Both.
Location
Specify whether selected tick marks are to appear outside or inside the graph area.
Color
Shows the current tick mark color. Click this button to display a color bar to choose a color.
Line Thickness
Adjust the slidebar to set the thickness of the tick mark lines.
# Sec. Tick Marks
Adjust the slidebar to set the number of secondary tick marks to appear between each primary tick mark. When logarithmic scale has been selected on the Axis Scale form, this slidebar has no effect and the number of secondary tick marks are set to 8.
Modify Axis Gridline Display Attributes
This form appears when the Gridlines button is selected on the XY Plot form when Modify is the selected action and Axis is the selected object. Use this form to modify the display attributes for primary and secondary axis gridlines.
 
Display
Select the gridlines for display, either Primary or Secondary.
Options
Select the gridlines to modify the display options, either Primary, Secondary, or Both.
Line Style
Pull down the Line Style menu to select the gridline line style. Options are Solid, Dotted, Dot Dash, Short Dash, Long Dash, and Odd Dash.
Color
Shows the current gridline color. Click this button to display a color bar to choose a color.
Line Thickness
Adjust the slidebar to set the thickness of the selected gridlines.
Modify Legend Display Attributes
Show/modify options for displaying the Legend for the current XY window.
 
Action
Modify
Object
Legend
Select Current XY Window
Lists the names of existing XY windows, with the current XY window selected. Click on an XY window name to select it as the current XY window whose legend is to be modified.
 
Display
Select the legend elements to be displayed.
Attributes
Adjust the slidebars to change the horizontal (X) and vertical (Y) locations (as a percentage of the distance from the top left corner of the XY window) where the top edge of the legend box will appear.
Background Color
Shows the current color for the legend background. Click this button to display a color bar to choose a background color.
Title - Text
Enter the title text to appear in the legend box.
Text Color / Border Color
Shows the current color for the legend text and border. Click the appropriate button to display a color bar to choose a text or border color.
Border - Line Style
Pull down the Line Style menu to select the legend border linestyle. Options are: Solid, Dotted, Dot-ash, Short Dash, Long Dash, and Odd Dash.