[gembud] nex2gini question(s)


I am getting a blank composite image when running nex2gini (I am a nex2gini newbie)

Here are the vitals:
Running nex2gini using GEMPAK 5.10.2 on a system with RH WS 4
Two images - $RAD/NIDS/CLE/BREF_1.00/BREF_1.00_20071126_1806 and $RAD/NIDS/ILN/BREF_1.00/BREF_1.00_20071126_1806 are displayable in NMAP2 and both contain reflectivity data in precip mode Settings are identical to those provided by typing "ph nex2gini" - except RADMODE and COMPRESS are blank, RADFRQ=0, RADDUR=10, RADTIM=071126/1810.. SATFIL=n0r_YYYYMMDD_HHNN. datatype.tbl has NEXRADIII $RAD/NIDS/%SITE%/%PROD% %PROD_YYYYMMDD_HHNN and N0RCOMP $RAD/NEXRADCOMP/1km/n0r n0r_YYYYMMDD_HHNN

nex2gini provides 1 line of feedback after it is run - "[NEX2GINI 4] Write image 071126/1810" A file n0r_20071126_1806 is produced in the local directory and is about 14208533 - which seems HUGE! Displaying it with gpnexr2 does run - and produces a map with a color bar and title displayed - but no data on the map (I am using "rad" for a proj and "us" for a garea). Reducing kyky to 1024;768 produces a file smaller in size - but still comes up blank when displayed with gpnexr2 and nmap2

So three questions
Why is the output file produced blank (per viewing with gpnex2 or NMAP2).. perhaps nex2gini is NOT reading data from the NEXRADIII dir prescribed in the datatype.tbl? Does nex2gini actually read files from the NEXRADDIII dir - whether I move the NIDS files to the local dir or the NIDS dir - I get a blank image. I'm assuming nex2gini will read from the NEXRADIII dir and dump do the NORCOMP dir as prescribed in the datatype.tbl - why is the output file written to the local directory instead of the N0RCOMP dir prescribed in the datatype.tbl file?


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