| iTool User's Guide: Visualization Properties |

## 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)