#!F-adobe-helvetica-medium-r-normal--18*
#!N 
#!CSeaGreen #!N  #!Rcpapa Using Control Panels #!N #!EC #!N #!N Control 
panels give you direct control of inputs to a visual program. 
The control panel included with example1.net, for example, allows you to 
incorporate a colored plane in the image of an object and 
to decide the number of contour lines to be displayed in 
that plane. To open the control panel: #!N #!I0 #!N  #!F-adobe-times-medium-r-normal--18*   
#!N #!N #!I30 #!N 1. Select  #!F-adobe-times-bold-r-normal--18*   Windows #!EF in the 
menu bar of the Image window. #!N #!I30 #!N 2. Select 
 #!F-adobe-times-bold-r-normal--18*   Open All Control Panels #!EF in the pull-down menu. The 
control panel appears (see  #!Lcp18,dxall22 f Figure 8  #!EL  ). #!N #!I0 #!N #!EF #!N 
#!Cbrown #!N  #!F-adobe-times-medium-r-normal--18*    #!Rcp18 #!N Graphics omitted from Online Documentation. Please 
see the manual. #!N #!N Figure 8. Control Panel with two 
Interactors.. #!EF #!N #!EC #!N #!N To display a colored plane: 
#!N #!I0 #!N  #!F-adobe-times-medium-r-normal--18*   #!N #!N #!I30 #!N 1. Click on 
 #!F-adobe-times-bold-r-normal--18*   off #!EF in the Show MapToPlane interactor. #!N #!I30 #!N 
2. Select  #!F-adobe-times-bold-r-normal--18*   on #!EF when it appears in the selection 
list. #!N #!I30 #!N 3. Select  #!F-adobe-times-bold-r-normal--18*   Execute #!EF in the 
menu bar of either the control panel or the Image window. 
#!N #!I30 #!N 4. Select  #!F-adobe-times-bold-r-normal--18*   Execute on Change #!EF in 
the pull-down menu. The visual program reexecutes and the colored plane 
is incorporated as part of the current image. #!N #!I30 #!N 
5. To specify the number of contour lines, click on one 
of the two stepper arrowheads in the  #!F-adobe-times-bold-r-normal--18*   number of contour 
lines #!EF interactor (right to increase the number, left to decrease 
it). Since Data Explorer is in  #!F-adobe-times-bold-r-normal--18*   Execute on Change #!EF 
mode, the number of contours changes when the number in the 
interactor changes. #!N #!N #!I0 #!N Notes: #!N #!I30 #!N a. 
The second interactor has no effect if the  #!F-adobe-times-medium-i-normal--18*   first #!EF 
interactor is  #!F-adobe-times-bold-r-normal--18*   off #!EF . #!N #!I30 #!N b. Depending 
on opacity and other factors, some of the contour lines "inside" 
the object may not be visible. #!I0 #!N #!N #!N #!I30 
#!N 6. Click on  #!F-adobe-times-bold-r-normal--18*   on #!EF in the Show MapToPlane 
interactor and then select  #!F-adobe-times-bold-r-normal--18*   off #!EF when it appears. The 
plane disappears and the original image is restored. #!N #!I0 #!N 
#!EF #!N #!N #!N #!N  #!F-adobe-times-medium-i-normal--18*   Next Topic #!EF #!N #!N 
 #!Lall22,dxall23 h Using the Colormap Editor  #!EL  #!N  #!F-adobe-times-medium-i-normal--18*   #!N 
