#------------------------------------------------------------------------------ # # NSSDC/CDF CDFcompare online help. # # Version 1.1b, 21-Feb-97, Hughes STX. # # Modification history: # # V1.0 ?, J Love Original version. # V1.1 23-Sep-96, J Love CDF V2.6. # V1.1a 7-Jan-97, J Love Fixed cache qualifier. # V1.1b 21-Feb-97, J Love Removed RICE. # #------------------------------------------------------------------------------ CDFcompare displays the differences between two CDFs. The parameters/qualifiers dialog box displayed when CDFcompare is `executed' contains the following controls. Edit fields for... CDF1: The file name of the first CDF specification. CDF2: The file name of the second CDF specification. The two CDF specifications to be compared. At the end of each field a button labeled "Select" is present. When selected, a standard input file dialog is displayed from which a single CDF may be selected. Note that folders/wildcard specifications may also be specified in these fields. (Wildcards are allowed in CDF names but not folder names). Cache sizes: The number of 512-byte buffers to be used for the CDF's dotCDF file, staging file, and compression scratch file. If this field is left blank, default cache sizes chosen by the CDF library are used. The cache sizes are specified with a comma-separated list of pairs where is the number of cache buffers and is the type of file. The file 's are as follows: `d' for the dotCDF file, `s' for the staging file, and `c' for the compression scratch file. For example, `200d,100s' specifies 200 cache buffers for the dotCDF file and 100 cache buffers for the staging file. The dotCDF file cache size can also be specified without the `d' for compatibility with older CDF releases (eg. `200,100s'). Note that not all of the file types must be specified. Those not specified will receive a default cache size. Check boxes for... Page output: Whether or not the output is displayed one page (screen) at a time. Compare attributes: Whether or not attributes are to be compared. Compare variables: Whether or not variables are to be compared. Compare numbers: Whether or not numbering differences of attributes and variables should be displayed. The Compare etc.: Whether or not differences which are transparent to an application are to be displayed (eg. encoding, format, creation library). -0.0 to 0.0: Whether or not -0.0 is converted to 0.0 by the CDF library when read from a CDF. Report info's: Whether or not informational status codes from the CDF library should be reported. Report warnings: Whether or not warning status codes from the CDF library should be reported. Report errors: Whether or not error status codes from the CDF library should be reported. Log progress: Whether or not progress messages are displayed. Display percentages: Whether or not the percentage of a variable's values compared is displayed during the comparison of that variable. Progress message logging must also be enabled. Display locations: Whether or not the locations of variable value differences are displayed. The locations are displayed in the form... :[,,...,] Display values: Whether or not the values are displayed when a difference is detected (between attribute entries and variable values). Note that for variable values to be displayed, the display of the locations of the differences must also be enabled (see the "Display locations" check box). Display statistics: Whether or not caching statistics are displayed at the end of each comparison of two CDFs. About: Display the library version that is used to creat the tool. Radio buttons for... zMode1: The zMode to be used for the first CDF specification. zMode2: The zMode to be used for the second CDF specification. 0...zMode is disabled. 1...zMode/1 should be used. The dimension variances of the rVariables will be preserved. 2...zMode/2 should be used. The dimensions of rVariables having a variance of NOVARY (false) are hidden. Buttons for... Enter Causes CDFcompare to compare CDFs based on the parameters/qualifiers specified. Help Causes this online help to be displayed. Quit Causes CDFcompare to terminate. (No CDFs are compared.) This button is only present the first time the parameters/qualifiers dialog box is displayed.