Mark Cave-Ayland <[EMAIL PROTECTED]> writes: > Okay, I'll try and expand on this a bit. In order to convert coordinates > between different coordinate systems, PostGIS uses the external PROJ.4 > library. Now in order to support a certain category of conversion, > PROJ.4 requires access to a set of library grid reference files which > are effectively "compiled" from source files into a set of data files as > part of the build process. The path to this directory of files is then > built into the DLL at compile time, although it can be overriden with an > API call.
> Under Linux, this is fairly easy as the files are normally installed > somewhere under /usr/share/proj, and hence the directory exists at both > compile-time and run-time. OK, if the files are normally under /usr/share then it's presumably kosher to put them under our $sharedir. I guess the only question is whether you are worried about having two copies in a machine where PROJ.4 is also installed natively. regards, tom lane ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match