Plot Properties

Plot properties are located in the expanded right panel of the plot window (click the arrow located on the right side of the plot window to expand/close the panel). The plot properties display by default. To hide them, toggle the Show/Hide Properties button .

General Properties

The General tab contains properties for the plot ranges and data.

• X-Axis Min Range: The minimum data range to include in the plot for the x-axis.
• X-Axis Max Range: The maximum data range to include in the plot for the x-axis.
• Y-Axis Min Range: The minimum data range to include in the plot for the y-axis.
• X-Axis Max Range: The maximum data range to include in the plot for the y-axis.
• Font Name: The font type for plot text. The default for all plots is set in the system Plot Preferences; this value overrides the font name for the current plot. The system default is Calibri.
• Font Size: The font size for plot text. The default for all plots is set in the system Plot Preferences; this value overrides the font size for the current plot. The system default is 12.
• Plot Title: The title that appears above the plot. The default is dependent on the type of profile you have open.
• X-Axis Title: The title for the X-axis of the plot. The default depends on the type of profile you have open.
• Y-Axis Title: The title for the Y-axis of the plot. The default depends on the type of profile you have open.
• X Major Ticks: The number of major tick marks to show on the X-axis of the plot. The default for all plots is set in the system Plot Preferences; this value overrides the X Major Ticks for the current plot. Set to -1 to auto-compute. Set to 0 to suppress. The system default is -1.
• Y Major Ticks: The number of major tick marks to show on the Y-axis of the plot. The default for all plots is set in the system Plot Preferences; this value overrides the Y Major Ticks for the current plot. Set to -1 to auto-compute. Set to 0 to suppress. The system default is -1.
• Axis Thickness: The line thickness for the plot border and tick marks. The default for all plots is 1.
• Left Margin: The left margin to offset the plot display within the plot window. The default for all plots is set in the system Plot Preferences; this value overrides the margin for the current plot. The system default is 0.
• Right Margin: The right margin to offset the plot display within the plot window. The default for all plots is set in the system Plot Preferences; this value overrides the margin for the current plot. The system default is 0.
• Top Margin: The top margin to offset the plot display within the plot window. The default for all plots is set in the system Plot Preferences; this value overrides the margin for the current plot. The system default is 0.
• Bottom Margin: The bottom margin to offset the plot display within the plot window. The default for all plots is set in the system Plot Preferences; this value overrides the margin for the current plot. The system default is 0.
• Background Color: The plot background color. The default for all plots is set in the system Plot Preferences; this value overrides the Background Color for the current plot. The system default is 240,240,240, which is the same color as the ENVI widgets. If the background is 0,0,0 (black) and the foreground is 255,255,255 (white), the colors will be reversed for printing.
• Foreground Color: The plot foreground color. The default is 0,0,0 (black). The default for all plots is set in the system Plot Preferences; this value overrides the Foreground Color for the current plot. If the background is 0,0,0 (black) and the foreground is 255,255,255 (white), the colors will be reversed for printing.
• Stack Offset: The offset for the spectra stack. The default is 0.1 percent.

General properties exclusive to the Spectral Profile and Spectral Library Viewer:

• Spectral Average: The profile cursor size to use when selecting pixels to plot. For example, a setting of 1 would be a 1x1 pixel, and a setting of 3 would be 3x3 pixels. The default is 1.
• NDVI Orientation: The orientation of the vegetation index legend, if enabled. To enable a legend, select Options > Legend from the plot menu bar. The default is Horizontal.
• NDVI Width: The width of the vegetation index legend. The default is 25 points.

General property exclusive to the Horizontal and Vertical Profiles:

• Use Full Band: A setting of True shows data for only the area of the band that is visible in the Image window. False shows the profile for the entire band. The default is True.

General properties exclusive to Series Profiles:

• Date Format: The format in which dates are displayed along the X-axis of the plot. The default is Mon DD.
• Date Separator: The character used to separate date components. The default is /.

Curve Properties

The Curve tab contains properties for the plot display.

• Name: The name of the curve selected in the list.
• Color: The display color of the curve selected in the list.
• Line Style: The style for plot lines, with choices ranging from a solid line, to different dashed or dotted lines. The default for all plots is set in the system Plot Preferences; this value overrides the line style for the current plot. The system default is a solid line.
• Thickness: The line thickness for the plot lines. The default for all plots is set in the system Plot Preferences; this value overrides the thickness for the current plot. The system default is 1 point.
• Symbol: Select a symbol style to display a symbol on the peaks and valleys of the plot. The default for all plots is set in the system Plot Preferences; this value overrides the symbol setting for the current plot. The system default is No symbol.
• Symbol Color: The symbol color, if symbols are enabled. The default for all plots is set in the system Plot Preferences; this value overrides the symbol color for the current plot. The system default is 0,0,0 (black).
• Symbol Size: The symbol size, if symbols are enabled. The default for all plots is set in the system Plot Preferences; this value overrides the symbol size for the current plot. The system default is 2 points.
• Symbol Thickness: The symbol thickness, if symbols are enabled. The default is 1 point.
• Symbol Fill: Enable this property to fill the symbol, if symbols are enabled. The default is False.
• Symbol Fill Color: The symbol fill color, if symbols and symbol fill are enabled. The default is 255,255,255 (white).

Plot Stats

The Plot Stats tab will show the minimum, maximum, mean, and standard deviation of each plot in the plot window.

Legend Properties

The Legend tab contains properties for the legend display. The tab is available only when you have a legend enabled for the plot. To enable a legend, select Options > Legend from the plot menu bar.

• Legend Style: The style for the legend that precedes the spectrum name. Solid boxes show as a filled box style, Flat lines as a long dash, Spike lines as a line with two peaks, and Sparklines as reduced versions of the actual plots, where the shape of the lines mimics the actual plot data. The default for all plots is set in the system Plot Preferences; this value overrides the legend style for the current plot. The system default is Sparklines.
• Font Name: The font type for plot text. The default for all plots is set in the system Plot Preferences; this value overrides the font name for the current plot. The system default is Calibri.
• Font Size: The font size for legend text. The default is 12.
• Show Frame: Enable this property to show a frame around the legend. The default is False.
• Frame Color: The color to use for the frame, if it is enabled. The default is 0,0,0, (black).
• Show Background: Enable this property to show a background color under the legend. The default is False.
• Background Color: The defaut background color to use for the legend, if it is enabled. The default is 218,218,218 (gray).