This document describes HydrOffice QC Tools 4.9.9.

2.3.8.3. What do you get?

Upon completion of the execution of VALSOU Checks you will receive a pop-up verification if you surface contains potential discrepancies with your S-57 VALSOUs, either a depth discrepancy (i.e. the VALSOU does not match the grid) or a not visited flag (i.e. there was no grid found underlying the S-57 VALSOU)(Fig. 2.51).

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Fig. 2.51 The output message at the end of VALSOU Checks execution.

The output of this tool is a .000 file that contains $CSYMB features which provides the location of the potential discrepancy. Drag and drop in your GIS of choice. The NINFOM field indicates the reason for the flagged object and the VALSOU vs. the least depth found in the grid.

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Fig. 2.52 Example of a flagged depth discrepancy found with VALSOU Checks. The orange symbol is the flag. The NINFOM field shows a depth discrepancy with the VALSOU of a value of -10.18000 vs. the least depth of the grid which is -11.49918.

The naming convention of the output files contains important information about the settings that were used to execute VALSOU Checks. Each setting is separated by a period in the naming convention. If multiple grids are used, the number of grids will be listed in place of the grid filename. See Fig. 2.53.

naming convention of output file for VALSOU Checks

Fig. 2.53 Example naming convention for a VALSOU Checks output. In this example the user selected a “include TECSOU = laser”.

If there are no flags found during the check, an empty file will be created with “empty” as the extension of the file.