#!F-adobe-helvetica-medium-r-normal--18* #!N #!CDarkGreen #!N #!Rall132 Example 1. Scalar and Vector Data on a Regular Grid. #!N #!EC #!N #!N This example illustrates the importation of a data file that contains two variables (pressure and velocity) in spreadsheet style. The data are in row majority order (last index varies fastest) and organized in four columns: the first contains the pressure data; the other three, the velocity components. The grid is 5 * 8 * 6. #!N #!I0 #!N #!F-adobe-times-medium-r-normal--18* #!N #!N #!I30 #!N 1. In the Data Prompter initial dialog box, select #!F-adobe-times-bold-r-normal--18* Grid or Scattered File #!EF , then select the leftmost button in the row labeled #!F-adobe-times-bold-r-normal--18* Grid type #!EF (regular grid). #!N #!I30 #!N 2. Set #!F-adobe-times-bold-r-normal--18* Number of variables #!EF to "2." #!N #!I30 #!N 3. For #!F-adobe-times-bold-r-normal--18* Data organization #!EF , activate the #!F-adobe-times-bold-r-normal--18* Columnar #!EF toggle button. #!N #!I30 #!N 4. Click on #!F-adobe-times-bold-r-normal--18* Describe Data #!EF to bring up the simplified prompter. #!N #!I30 #!N 5. Enter the path name of the data file in the #!F-adobe-times-bold-r-normal--18* Data file #!EF field: #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N /usr/lpp/dx/samples/data/spreadsheet_2var #!EF #!N #!N #!EC #!N #!I30 #!N 6. Enter the values "5," "8," and "6," in that order, in the first three #!F-adobe-times-bold-r-normal--18* Grid size #!EF fields. #!N #!I30 #!N 7. In the #!F-adobe-times-bold-r-normal--18* Field list #!EF , change the name "field0" to "pressure" and confirm the change by clicking on the #!F-adobe-times-bold-r-normal--18* Modify #!EF button at the bottom of the panel. #!N #!I30 #!N 8. Change the name of "field1" to "velocity" and its #!F-adobe-times-bold-r-normal--18* Structure #!EF to "3-vector." (See Steps 9 through 11 of Example 6 in the preceding section, #!Lmltvrx6,dxall129 h Example 6. Deformed (Warped) Regular Grid #!EL , for procedure.) #!N #!I30 #!N 9. Save the header file (Step 10 of Example 1 in #!Lex1a,dxall116 s To save the header file #!EL ), which should look like: #!N #!I0 #!N #!EF #!N #!CForestGreen #!N #!N #!F-adobe-courier-bold-r-normal--18* #!N file = /usr/lpp/dx/samples/data/spreadsheet_2var #!N grid = 5 x 8 x 6 #!N format = text #!N interleaving = field #!N majority = row #!N field = temperature, velocity #!N structure = scalar, 3-vector #!N type = float, float #!N dependency = positions, positions #!N positions = regular, regular, regular, 0, 1, 0, 1, 0, 1 #!N #!N end #!EF #!N #!N #!EC #!N #!N #!N #!F-adobe-times-medium-i-normal--18* Next Topic #!EF #!N #!N #!Lall133,dxall134 h Example 2. Deformed (Warped) Regular Grid #!EL #!N #!F-adobe-times-medium-i-normal--18* #!N
Generated by dwww version 1.15 on Sat Jun 22 13:01:29 CEST 2024.