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Streamlines

These properties control Streamline 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-62: Property Settings for Streamlines 

Table D-62: Property Settings for Streamlines 
Name
Description
Grid units
String List: Set grid units type. Choose from:
  • Not applicable
  •  

  • Meters
  •  

  • Degrees
Default = Not applicable
Head size
Number: Head size. Enter value.
Default = 1
Line thickness
Number: Line thickness level. Choose value 1 through 10.
Default = 1
Automatic color
String List: Select color setting. Choose None, Magnitude, or Direction. Default = None
Color
Color: Color for arrows. Click to choose from the default color palette, or specify RGB values. Default = [0,0,0] (black)
Color palette
Color: By selecting Edit color table Edit access the color table to manipulate vector color values
Note - To edit the opacity only in the editor, uncheck the R, G, and B boxes in both the Modify and Display rows. Edit the remaining line by clicking on and dragging the line in the window. Click OK when finished.
Transparency
Number: Percent transparency. Move slider to change value.
Default = 0
Z value
Number: Z value of plane on to which to project the vector visualization. Edit the number to change the value.
Note - If the Z value is zero then the vector visualization is considered to be 2D. If the Z value is nonzero, then the vector visualization is considered to be 3D, and the dataspace associated with this vector will be automatically switched to 3D.
Default = 0
Direction convention
String List: Choose direction convention. Select Polar, Meteorological, or Wind azimuths. Default = Polar (counterclockwise from X axis)
X stream particles
Number: Number of X stream particles. Choose value.
Default = 25
Y stream particles
Number: Number of X stream particles. Choose value.
Default = 25
Streamline steps
Number: Number of streamline steps. Choose value (minimum value is 2).
Default = 100
Streamline step size
Number: Numeric value for streamline step size. Enter value.
Default = 0.2

  IDL Online Help (March 01, 2006)