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Contour

Figure D-15: Visualization Browser with Contour Properties Displayed

Figure D-15: Visualization Browser with Contour Properties Displayed

These properties control contour object visualizations. For each property, the type of control and the values that can be assigned are listed. For a description of how a particular control is used, refer to Property Controls.

Table D-45: Contour Properties 

Table D-45: Contour Properties 
Property
Control Type: Values
Contour level properties
User Defined: Click to edit individual or all contour level properties. Click and Edit... to display the Contour Levels window. See Contour Levels Window for details.
Use palette color
Boolean: Use palette color? Choose True or False. Default = False
Planar Z Value
Number: Z value of plane on to which to project contours. Edit the number to change the value.
Note - If the Z value is zero, and the Projection is Planar, then the contour visualization is considered to be 2D. If the Z value is nonzero, then the contour visualization is considered to be 3D, and the dataspace associated with this contour will be automatically switched to 3D.
Default = 0
Number of levels
Number: Number of contour levels to display. Edit the number to change the value. Default = 5
Projection
String List: Method of projection. Select a method from the list. Choose from these values:
  • Three-D: Project in three dimensions
  •  

  • Planar: Project onto a plane
Default = Planar
Fill contours
Boolean: Fill space between contours? Choose True or False. Default = False
Shading
String List: Shading method. Select a method from the list. Choose between these values:
  • Flat: Flat shading
  •  

  • Gouraud: Gouraud shading
Default = Flat
Minimum value
Number: Minimum value to display in the contour. Edit number to change value. No default value.
Maximum value
Number: Maximum value to display in the contour.Edit number to change value. No default value.
Downhill ticks
Boolean: Show downhill ticks? Choose Hide or Show. Default = Hide
Downhill tick interval
Number: Distance between downhill tick marks. Edit number to change value. Default = 0.2
Downhill tick length
Number: Length of downhill tick marks. Edit number to change value. Default = 0.2

Contour Levels Window

Figure D-16: Contour Levels Window

Figure D-16: Contour Levels Window

The Contour Levels window contains properties that control the contour levels.

Table D-46: Contour Levels Properties 

Table D-46: Contour Levels Properties 
Property
Control Type: Values
Value
Number: Value of the contour level. Edit the number to change the value. Default comes from contour data.
Color
Color: Color for the contour level. Click to choose from the default color palette, or specify RGB values. Default = [0,0,0] (black)
Line style
Line Style: Style for the contour level. Select a style from the list. Default = (solid line)
Line thickness
Line Thickness: Thickness for the contour level. Select a thickness from the list. Default = 1
Label
String List: Choose the kind of label to use for each contour level. Choose from these values:
  • None
  •  

  • Value
  •  

  • Text
  •  

  • Symbol
Label interval
Number: Distance between labels on the contour level. Edit number to change value. Default = 0.4
No label gaps
Boolean: Interrupt the contour level for the label. Choose True or False. Default = False
Use label color
Boolean: Display a color for the contour level's label. Choose True or False. Default = False
Label color
Color: Color for the contour level label. Click to choose from the default color palette, or specify RGB values. Default = [0,0,0] (black)
Symbol label
Symbol: Symbol to appear at regular intervals on the contour level. Choose a symbol from the list. Default = No symbol
Symbol size
Number: Factor from 0 - 1 determining the size of the selected symbol. Move slider to change the size. Default = 0.2
Text label
String: Text that labels the contour object in the legend. Edit string to change value. Default = none
Tick format code
String: Text that defines the tick format. Edit string to change format. You can edit this value only if Tick Format is set to Use Tick Format Code. Default = none
Tick format
String List: Choose a format code or time interval to use for each tick interval. Choose from these values:
  • None
  •  

  • Use Tick Format Code
  •  

  • Filled Fixed Width Integer
  •  

  • Freeform Integer or Float
  •  

  • Float with 2 or 4 decimal places
  •  

  • Exponential with 2 or 4 decimal places
  •  

  • Date (13 formats)
  •  

  • Time (11 formats)
Default = None
Text font
String List: Font used for label text. Select a font from the list. Choose from these values:
  • Helvetica
  •  

  • Courier
  •  

  • Times
  •  

  • Symbol
  •  

  • Hershey
Default = Helvetica
Text style
String List: Style used for label text. Select a style from the list. Choose from these values:
  • Normal
  •  

  • Bold
  •  

  • Italic
  •  

  • Bold italic
Default = Normal
Text font size
Number: Font size in points for the label text. Edit the number to change the size. Default = 9

  IDL Online Help (March 01, 2006)