Attempt to average on cuvilinear datasets gives Ferret error

Reported by @kevin-obrien on 2 Dec 2010 00:51 UTC

When I attempt to do an area average on a curvilinear dataset, I get a ferret error that says:

 **ERROR: internal program problem: is_uvar_grid
DEFINE VARIABLE varsiz `pvar,RETURN=size`
Command file, command group, or REPEAT execution aborted

Here is a [http://ferret.pmel.noaa.gov/geoideBetaLAS/ProductServer.do?xml=%3C%3Fxml+version%3D%221.0%22%3F%3E%3ClasRequest+href%3D%22file%3Alas.xml%22%3E%3Clink+match%3D%22%2Flasdata%2Foperations%2Foperation%5B%40ID%3D%27Plot_1D%27%5D%22%3E%3C%2Flink%3E%3Cproperties%3E%3Cferret%3E%3Cview%3Et%3C%2Fview%3E%3Cvector_style%3Edefault%3C%2Fvector_style%3E%3Cvector_length%3E%3C%2Fvector_length%3E%3Cvector_subsampling%3E%3C%2Fvector_subsampling%3E%3Cdep_axis_scale%3E%3C%2Fdep_axis_scale%3E%3Cline_thickness%3Edefault%3C%2Fline_thickness%3E%3Cline_color%3Edefault%3C%2Fline_color%3E%3Cline_or_sym%3Edefault%3C%2Fline_or_sym%3E%3Cland_type%3Edefault%3C%2Fland_type%3E%3Cset_aspect%3Edefault%3C%2Fset_aspect%3E%3Cmark_grid%3Eno%3C%2Fmark_grid%3E%3Ccontour_levels%3E%3C%2Fcontour_levels%3E%3Cfill_levels%3E%3C%2Ffill_levels%3E%3Ccontour_style%3Edefault%3C%2Fcontour_style%3E%3Cpalette%3Edefault%3C%2Fpalette%3E%3Cdeg_min_sec%3Edefault%3C%2Fdeg_min_sec%3E%3Cmargins%3Edefault%3C%2Fmargins%3E%3Cuse_graticules%3Edefault%3C%2Fuse_graticules%3E%3Csize%3E0.5%3C%2Fsize%3E%3Cimage_format%3Edefault%3C%2Fimage_format%3E%3Cinterpolate_data%3Efalse%3C%2Finterpolate_data%3E%3Cexpression%3E%3C%2Fexpression%3E%3C%2Fferret%3E%3C%2Fproperties%3E%3Cargs%3E%3Clink+match%3D%22%2Flasdata%2Fdatasets%2Fid-5e7071795b%2Fvariables%2Fsalt-id-5e7071795b%22%3E%3Canalysis+label%3D%22Average+salinity%22%3E%3Caxis+type%3D%22y%22+lo%3D%2211.8885%22+hi%3D%2247.73244887918%22+op%3D%22ave%22%3E%3C%2Faxis%3E%3C%2Fanalysis%3E%3C%2Flink%3E%3Cregion%3E%3Crange+type%3D%22t%22+low%3D%2216-Nov-2010+00%3A00%3A00%22+high%3D%2218-Nov-2010+23%3A00%3A00%22%3E%3C%2Frange%3E%3Cpoint+type%3D%22z%22+v%3D%22-0.031299999999999994%22%3E%3C%2Fpoint%3E%3Cpoint+type%3D%22x%22+v%3D%22-77.9864629017725%22%3E%3C%2Fpoint%3E%3C%2Fregion%3E%3C%2Fargs%3E%3C%2FlasRequest%3E link to the product].

The data set used was

http://geoport.whoi.edu:8081/thredds/dodsC/coawst_2_2/fmrc/coawst_2_2_best.ncd

Migrated-From: http://dunkel.pmel.noaa.gov/trac/las/ticket/988

NOAA-PMEL / LAS

Attempt to average on cuvilinear datasets gives Ferret error #994