Re: 20051223: netCDF Java - The fill flag does not work in NetcdfFileWriteable(java.lang.String location, boolean fill)

• To: Makiko Umemoto <makiko@xxxxxxxx>
• Subject: Re: 20051223: netCDF Java - The fill flag does not work in NetcdfFileWriteable(java.lang.String location, boolean fill)
• From: John Caron <caron@xxxxxxxxxxxxxxxx>
• Date: Tue, 03 Jan 2006 13:34:01 -0700

Hi Makiko:

Yes, You are right, that's a bug. I will fix as soon as i can and let you know. 
Probably not till next week.

Thanks for reporting the problem,
John

Unidata Support wrote:

------- Forwarded Message

To: support-netcdf-java@xxxxxxxxxxxxxxxx
From: "Makiko Umemoto" <makiko@xxxxxxxx>
Subject: netCDF Java - The fill flag does not work in 
NetcdfFileWriteable(java.lang.String location, boolean fill)
Organization: USGS
Keywords: 200512232206.jBNM6hXN021489 netCDF-Java

Institution: US Geological Survey
Package Version: Version 2.2
Operating System: Windows XP
Hardware Information: AMD Athlon(tm) MP
Inquiry: Hi,

I used NetcdfFileWriteable(java.lang.String location, boolean fill) to
create a Netcdf file where the fill flag was set to true. It should
havae first write the data with fill values, but it didn't. Instead, 0
was written to all the data. I tried to make this work by explicitly
setting _FillValue using ncfile.addVariableAttribute("tmax",
"_FillValue", Float.MIN_VALUE);

This did not change anything. How can I make the program prefill data
with fill values?

I am using only two variables as shown below in case you need this info.

dimensions:
    time = UNLIMITED ;
variables:
    int time(time) ;
    float tmax(time) ;

Thanks.
Makiko



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