addfile delay

All,

1. Does the addfile function by itself read coordinate variables
into memory? If not, why does addfile take a long time to execute
on a large Netcdf file (e.g. greater than 2 Gb)?

2. Is there a simple way to turn off this behavior? No fair
patching NCL.

My NCL version is 4.2.0.a034, running on MacOS/Darwin 8.8.0.

Thank you for any information about this.

--Dave A.
CU/CIRES Climate Diagnostics Center (CDC)
NOAA/ESRL/PSD, Climate Analysis Branch (CAB)
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Received on Mon Jan 15 2007 - 19:27:14 MST