1#!F-adobe-helvetica-medium-r-normal--18*
2#!N
3#!CSeaGreen #!N  #!Rtrbrsht RubberSheet
4#!N #!EC #!N #!N You can "warp" the representation of 2-dimensional
5data with the  #!F-adobe-times-bold-r-normal--18*   RubberSheet #!EF tool. #!N #!I0 #!N  #!F-adobe-times-medium-r-normal--18*
6#!N #!N #!I30 #!N 1. Open and execute visual program .../RubberSheet.net.
7The image represents elevation above sea level in the southeastern United
8States. Regions of greatest elevation are colored red; regions of lowest
9elevation, blue. #!N #!I30 #!N 2. Open the  #!F-adobe-times-bold-r-normal--18*   RubberSheet #!EF
10configuration dialog box. #!N #!I30 #!N 3. Change the value in
11the  #!F-adobe-times-bold-r-normal--18*   scale #!EF parameter field to ".002." #!N #!I30 #!N
124. Click on  #!F-adobe-times-bold-r-normal--18*   OK #!EF and reexecute the visual program.
13The contrast of variation is greatly increased. #!N #!I0 #!N #!EF
14#!N #!N #!N For more information, see RubberSheet in IBM Visualization
15Data Explorer User's Reference. #!N #!N You can also add contour
16lines to a Rubbersheet image: #!N #!I0 #!N  #!F-adobe-times-medium-r-normal--18*   #!N #!N
17#!I30 #!N 1. Select  #!F-adobe-times-bold-r-normal--18*   Realization #!EF in the categories palette
18and then  #!F-adobe-times-bold-r-normal--18*   Isosurface #!EF in the tools palette. #!N #!I30
19#!N 2. Place the icon to the right of  #!F-adobe-times-bold-r-normal--18*   RubberSheet
20#!EF . #!N #!I30 #!N 3. Connect the output of  #!F-adobe-times-bold-r-normal--18*
21RubberSheet #!EF to the first input tab of  #!F-adobe-times-bold-r-normal--18*   Isosurface #!EF
22(the only connection that Data Explorer will allow you to make).
23Make sure that you do not break the connection to  #!F-adobe-times-bold-r-normal--18*
24Shade #!EF . #!N #!I30 #!N 4. Open the  #!F-adobe-times-bold-r-normal--18*   Isosurface
25#!EF configuration dialog box. #!N #!I30 #!N 5. Change the  #!F-adobe-times-bold-r-normal--18*
26number #!EF parameter value to "10" and click on  #!F-adobe-times-bold-r-normal--18*   OK
27#!EF . #!N #!I30 #!N 6. Select  #!F-adobe-times-bold-r-normal--18*   Structuring #!EF in
28the categories palette and  #!F-adobe-times-bold-r-normal--18*   Collect #!EF in the tools palette.
29#!N #!I30 #!N 7. Place the  #!F-adobe-times-bold-r-normal--18*   Collect #!EF icon below
30 #!F-adobe-times-bold-r-normal--18*   Isosurface #!EF . #!N #!I30 #!N 8. Connect the outputs
31of both  #!F-adobe-times-bold-r-normal--18*   Shade #!EF and  #!F-adobe-times-bold-r-normal--18*   Isosurface #!EF to the
32inputs of  #!F-adobe-times-bold-r-normal--18*   Collect #!EF (again, Data Explorer will allow only
33valid connections). #!N #!I30 #!N 9. Disconnect  #!F-adobe-times-bold-r-normal--18*   Image #!EF from
34 #!F-adobe-times-bold-r-normal--18*   Shade #!EF . #!N #!I30 #!N 10. Connect the output
35of  #!F-adobe-times-bold-r-normal--18*   Collect #!EF to the input of  #!F-adobe-times-bold-r-normal--18*   Image #!EF
36. #!N #!I30 #!N 11. Reexecute the visual program. The result
37is a set of colored contour lines combined with the Rubbersheet
38image. #!N #!I0 #!N #!EF #!N #!N #!N You can change
39the color of the contour lines: #!N #!I0 #!N  #!F-adobe-times-medium-r-normal--18*   #!N
40#!N #!I30 #!N 1. Select  #!F-adobe-times-bold-r-normal--18*   Transformation #!EF in the categories
41palette and then  #!F-adobe-times-bold-r-normal--18*   Color #!EF in the tools palette. #!N
42#!I30 #!N 2. Place the  #!F-adobe-times-bold-r-normal--18*   Color #!EF icon to the
43right of  #!F-adobe-times-bold-r-normal--18*   RubberSheet #!EF and  #!F-adobe-times-bold-r-normal--18*   Collect #!EF . #!N
44#!I30 #!N 3. Open the  #!F-adobe-times-bold-r-normal--18*   Color #!EF configuration dialog box.
45#!N #!I30 #!N 4. Delete "(no color added)" in the  #!F-adobe-times-bold-r-normal--18*
46color #!EF parameter field and type in "black" (the quotation marks
47are unnecessary and will be added by Data Explorer). #!N #!I30
48#!N 5. Click on  #!F-adobe-times-bold-r-normal--18*   OK #!EF . #!N #!I30 #!N
496. Move the output of  #!F-adobe-times-bold-r-normal--18*   Isosurface #!EF from  #!F-adobe-times-bold-r-normal--18*   Collect
50#!EF to  #!F-adobe-times-bold-r-normal--18*   Color #!EF . #!N #!I30 #!N 7. Connect
51the output of  #!F-adobe-times-bold-r-normal--18*   Color #!EF to the input of  #!F-adobe-times-bold-r-normal--18*
52Collect #!EF . #!N #!I30 #!N 8. Reexecute the visual program.
53#!N #!I0 #!N #!EF #!N #!N #!N See Color and Isosurface
54in IBM Visualization Data Explorer User's Reference. #!N #!N #!N  #!F-adobe-times-medium-i-normal--18*
55Next Topic #!EF #!N #!N  #!Lt2dsgly,dxall47 h 2-D Scalar Glyphs  #!EL  #!N  #!F-adobe-times-medium-i-normal--18*   #!N
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