NAME:
COLORBAR
PURPOSE:
This routine provides the user with the flexibility of specifying
the size and the place of the colorbar to be drawn on the plot.
CALLING SEQUENCE:
COLORBAR, Zrange [,Width] [,Height] [,X=x] [,Y=y] [,Wid=wid]
INPUTS:
Zrange: [Zmin,Zmax] specifies the minimum and maximum value of
data corresponding to the first and last entry of color
table.
OPTIONAL INPUTS:
Width: specify the width of the color bar, default to 20 pixels
Height: specify the height of the color bar, default to 320 pixels
KEYWORD PARAMETERS:
X: specify X location of the lower left corner of the color bar,
default to 70 pixels from right boundary for X device
Y: specify Y location of the lower left corner of the color bar,
default to 100 pixels from bottom boundary for X device
Wid: specify the destination window the color bar to be drawn,
default to current plot device
Ncap: specify the number of value labels
Format: specify the color bar label format
PSfact: specify the PS color bar scaling factor, default is 30
Reverse: use black color for color bar text color
Ncolors: specify the number of colors used from the table
OFF: specify offset value for colorbar
LOG: specify linear or log scale used
OUTPUTS:
None.
RESTRICTION:
The Width, Height are absolute pixel numbers respect to the actual
plot device. The location X, and Y pixels respect to the plot device
origin.
EXAMPLE:
Example 1 - Place a colorbar at the default location 70,100 pixels from
the lower right corner of the plot area
colorbar,[min(z),max(z)]
Example 2 - Place a colorbar at the location 10,100 pixels from
the lower left corner of the plot area
colorbar,[min(z),max(z)],X=10,Y=100
MODIFICATION HISTORY:
Written by: Ben-chin Cha, April 9, 1999
xx-xx-xxxx xxx Comment
(See colorbar.pro)