Added assertion statements to catch misnamed projections/sheets. (The errors raised by the PlotGroups are too cryptic to realize what's going wrong if you specify a projection that doesn't exist for a sheet.)
Added assertion statements to catch misnamed projections/sheets. (The errors raised by the PlotGroups are too cryptic to realize what's going wrong if you specify a projection that doesn't exist for a sheet.)


ioam/svn-history,ioam/svn-history,ioam/svn-history,ioam/svn-history,ioam/svn-history