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 56