/usr/include/ossim/vec/ is in libossim-dev 1.8.20.3+ds-5+b1.
This file is owned by root:root, with mode 0o755.
..
/usr/include/ossim/vec/ossimVpfBoundingRecordTable.h
/usr/include/ossim/vec/ossimVpfCoverage.h
/usr/include/ossim/vec/ossimVpfDatabase.h
/usr/include/ossim/vec/ossimVpfDatabaseHeader.h
/usr/include/ossim/vec/ossimVpfDatabaseHeaderTableValidator.h
/usr/include/ossim/vec/ossimVpfExtent.h
/usr/include/ossim/vec/ossimVpfFeatureClass.h
/usr/include/ossim/vec/ossimVpfFeatureClassSchema.h
/usr/include/ossim/vec/ossimVpfLibrary.h
/usr/include/ossim/vec/ossimVpfLibraryAttributeTableValidator.h
/usr/include/ossim/vec/ossimVpfTable.h
/usr/include/ossim/vec/ossimVpfTableValidator.h
/usr/include/ossim/vec/vpf.h