[gradsusr] Descriptor file

james nyaga jawany2j at yahoo.com
Mon May 19 10:20:06 EDT 2014 

Hello,

I am having problems plotting data on my NCL generated netcdf file. Here is the output of ncdump -c file, the descriptor file I am using to plot and the error am getting.

***ncdump -c "file" output ****
servir1 at servir1:/media/satellite/Lake_victoria/victoria_proc/l2/sst/hdf$ ncdump -c chlorophyl.nc 
netcdf chlorophyl {
dimensions:
lat = 560 ;
lon = 640 ;
time = 134 ;
variables:
float time(time) ;
time:units = "months" ;
time:long_name = "elapsed time" ;
float lat(lat) ;
lat:units = "degrees_north" ;
lat:long_name = "latitude" ;
float lon(lon) ;
lon:units = "degrees_east" ;
lon:long_name = "longitude" ;
float sst(lat, lon, time) ;
sst:_FillValue = 1.e+32f ;
sst:units = "K" ;
sst:long_name = "Aqua Modis Chlorophyll" ;

// global attributes:
:timestamp = "Mon May 19 12:10:23 EAT 2014" ;
:description = "This file tests NCL\'s ability to create Ocean Color files" ;
data:

 time = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 
    20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 
    38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 
    56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 
    74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 
    92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 
    108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 
    122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133 ;

 lat = 0.5, 0.4937388, 0.4874776, 0.4812165, 0.4749553, 0.4686941, 0.4624329, 
    0.4561717, 0.4499106, 0.4436494, 0.4373882, 0.431127, 0.4248658, 
    0.4186046, 0.4123435, 0.4060823, 0.3998211, 0.3935599, 0.3872987, 
    0.3810376, 0.3747764, 0.3685152, 0.362254, 0.3559929, 0.3497317, 
    0.3434705, 0.3372093, 0.3309481, 0.3246869, 0.3184258, 0.3121646, 
    0.3059034, 0.2996422, 0.293381, 0.2871199, 0.2808587, 0.2745975, 
    0.2683363, 0.2620751, 0.255814, 0.2495528, 0.2432916, 0.2370304, 
    0.2307692, 0.224508, 0.2182469, 0.2119857, 0.2057245, 0.1994633, 
    0.1932022, 0.186941, 0.1806798, 0.1744186, 0.1681574, 0.1618962, 
    0.1556351, 0.1493739, 0.1431127, 0.1368515, 0.1305903, 0.1243292, 
    0.118068, 0.1118068, 0.1055456, 0.09928443, 0.09302326, 0.08676208, 
    0.08050089, 0.07423972, 0.06797853, 0.06171735, 0.05545617, 0.04919499, 
    0.04293381, 0.03667263, 0.03041145, 0.02415027, 0.01788909, 0.01162791, 
    0.005366726, -0.0008944544, -0.007155635, -0.01341682, -0.019678, 
    -0.02593918, -0.03220036, -0.03846154, -0.04472272, -0.0509839, 
    -0.05724508, -0.06350626, -0.06976745, -0.07602862, -0.0822898, 
    -0.08855098, -0.09481216, -0.1010733, -0.1073345, -0.1135957, -0.1198569, 
    -0.1261181, -0.1323792, -0.1386404, -0.1449016, -0.1511628, -0.157424, 
    -0.1636852, -0.1699463, -0.1762075, -0.1824687, -0.1887299, -0.1949911, 
    -0.2012522, -0.2075134, -0.2137746, -0.2200358, -0.226297, -0.2325581, 
    -0.2388193, -0.2450805, -0.2513417, -0.2576029, -0.263864, -0.2701252, 
    -0.2763864, -0.2826476, -0.2889088, -0.2951699, -0.3014311, -0.3076923, 
    -0.3139535, -0.3202147, -0.3264759, -0.332737, -0.3389982, -0.3452594, 
    -0.3515206, -0.3577818, -0.3640429, -0.3703041, -0.3765653, -0.3828265, 
    -0.3890876, -0.3953488, -0.40161, -0.4078712, -0.4141324, -0.4203936, 
    -0.4266547, -0.4329159, -0.4391771, -0.4454383, -0.4516995, -0.4579606, 
    -0.4642218, -0.470483, -0.4767442, -0.4830054, -0.4892665, -0.4955277, 
    -0.5017889, -0.5080501, -0.5143113, -0.5205724, -0.5268337, -0.5330948, 
    -0.539356, -0.5456172, -0.5518783, -0.5581396, -0.5644007, -0.5706619, 
    -0.5769231, -0.5831842, -0.5894454, -0.5957066, -0.6019678, -0.608229, 
    -0.6144902, -0.6207513, -0.6270126, -0.6332737, -0.6395349, -0.6457961, 
    -0.6520572, -0.6583184, -0.6645796, -0.6708408, -0.677102, -0.6833631, 
    -0.6896243, -0.6958855, -0.7021467, -0.7084079, -0.714669, -0.7209302, 
    -0.7271914, -0.7334526, -0.7397138, -0.745975, -0.7522361, -0.7584973, 
    -0.7647585, -0.7710197, -0.7772809, -0.783542, -0.7898032, -0.7960644, 
    -0.8023256, -0.8085868, -0.8148479, -0.8211091, -0.8273703, -0.8336315, 
    -0.8398927, -0.8461539, -0.852415, -0.8586762, -0.8649374, -0.8711986, 
    -0.8774598, -0.8837209, -0.8899821, -0.8962433, -0.9025044, -0.9087657, 
    -0.9150268, -0.921288, -0.9275492, -0.9338104, -0.9400716, -0.9463328, 
    -0.9525939, -0.9588551, -0.9651163, -0.9713774, -0.9776387, -0.9838998, 
    -0.990161, -0.9964222, -1.002683, -1.008945, -1.015206, -1.021467, 
    -1.027728, -1.033989, -1.04025, -1.046512, -1.052773, -1.059034, 
    -1.065295, -1.071556, -1.077818, -1.084079, -1.09034, -1.096601, 
    -1.102862, -1.109123, -1.115385, -1.121646, -1.127907, -1.134168, 
    -1.140429, -1.14669, -1.152952, -1.159213, -1.165474, -1.171735, 
    -1.177996, -1.184258, -1.190519, -1.19678, -1.203041, -1.209302, 
    -1.215564, -1.221825, -1.228086, -1.234347, -1.240608, -1.246869, 
    -1.253131, -1.259392, -1.265653, -1.271914, -1.278175, -1.284436, 
    -1.290698, -1.296959, -1.30322, -1.309481, -1.315742, -1.322004, 
    -1.328265, -1.334526, -1.340787, -1.347048, -1.35331, -1.359571, 
    -1.365832, -1.372093, -1.378354, -1.384615, -1.390877, -1.397138, 
    -1.403399, -1.40966, -1.415921, -1.422182, -1.428444, -1.434705, 
    -1.440966, -1.447227, -1.453488, -1.45975, -1.466011, -1.472272, 
    -1.478533, -1.484794, -1.491055, -1.497317, -1.503578, -1.509839, 
    -1.5161, -1.522361, -1.528623, -1.534884, -1.541145, -1.547406, 
    -1.553667, -1.559928, -1.56619, -1.572451, -1.578712, -1.584973, 
    -1.591234, -1.597496, -1.603757, -1.610018, -1.616279, -1.62254, 
    -1.628801, -1.635063, -1.641324, -1.647585, -1.653846, -1.660107, 
    -1.666368, -1.67263, -1.678891, -1.685152, -1.691413, -1.697674, 
    -1.703936, -1.710197, -1.716458, -1.722719, -1.72898, -1.735242, 
    -1.741503, -1.747764, -1.754025, -1.760286, -1.766547, -1.772809, 
    -1.77907, -1.785331, -1.791592, -1.797853, -1.804114, -1.810376, 
    -1.816637, -1.822898, -1.829159, -1.83542, -1.841682, -1.847943, 
    -1.854204, -1.860465, -1.866726, -1.872988, -1.879249, -1.88551, 
    -1.891771, -1.898032, -1.904293, -1.910555, -1.916816, -1.923077, 
    -1.929338, -1.935599, -1.94186, -1.948122, -1.954383, -1.960644, 
    -1.966905, -1.973166, -1.979428, -1.985689, -1.99195, -1.998211, 
    -2.004472, -2.010733, -2.016995, -2.023256, -2.029517, -2.035778, 
    -2.042039, -2.048301, -2.054562, -2.060823, -2.067084, -2.073345, 
    -2.079607, -2.085868, -2.092129, -2.09839, -2.104651, -2.110912, 
    -2.117173, -2.123435, -2.129696, -2.135957, -2.142218, -2.148479, 
    -2.154741, -2.161002, -2.167263, -2.173524, -2.179785, -2.186047, 
    -2.192308, -2.198569, -2.20483, -2.211091, -2.217352, -2.223614, 
    -2.229875, -2.236136, -2.242397, -2.248658, -2.25492, -2.261181, 
    -2.267442, -2.273703, -2.279964, -2.286225, -2.292487, -2.298748, 
    -2.305009, -2.31127, -2.317531, -2.323792, -2.330054, -2.336315, 
    -2.342576, -2.348837, -2.355098, -2.36136, -2.367621, -2.373882, 
    -2.380143, -2.386404, -2.392665, -2.398927, -2.405188, -2.411449, 
    -2.41771, -2.423971, -2.430233, -2.436494, -2.442755, -2.449016, 
    -2.455277, -2.461539, -2.4678, -2.474061, -2.480322, -2.486583, 
    -2.492844, -2.499105, -2.505367, -2.511628, -2.517889, -2.52415, 
    -2.530411, -2.536673, -2.542934, -2.549195, -2.555456, -2.561717, 
    -2.567979, -2.57424, -2.580501, -2.586762, -2.593023, -2.599284, 
    -2.605546, -2.611807, -2.618068, -2.624329, -2.63059, -2.636852, 
    -2.643113, -2.649374, -2.655635, -2.661896, -2.668157, -2.674419, 
    -2.68068, -2.686941, -2.693202, -2.699463, -2.705724, -2.711986, 
    -2.718247, -2.724508, -2.730769, -2.737031, -2.743292, -2.749553, 
    -2.755814, -2.762075, -2.768336, -2.774597, -2.780859, -2.78712, 
    -2.793381, -2.799642, -2.805903, -2.812165, -2.818426, -2.824687, 
    -2.830948, -2.837209, -2.843471, -2.849732, -2.855993, -2.862254, 
    -2.868515, -2.874776, -2.881037, -2.887299, -2.89356, -2.899821, 
    -2.906082, -2.912344, -2.918605, -2.924866, -2.931127, -2.937388, 
    -2.943649, -2.949911, -2.956172, -2.962433, -2.968694, -2.974955, 
    -2.981216, -2.987478, -2.993739, -3 ;

 lon = 31, 31.00626, 31.01252, 31.01878, 31.02504, 31.0313, 31.03756, 
    31.04382, 31.05008, 31.05634, 31.0626, 31.06886, 31.07512, 31.08138, 
    31.08764, 31.0939, 31.10016, 31.10642, 31.11268, 31.11894, 31.1252, 
    31.13145, 31.13771, 31.14397, 31.15023, 31.15649, 31.16275, 31.16901, 
    31.17527, 31.18153, 31.18779, 31.19405, 31.20031, 31.20657, 31.21283, 
    31.21909, 31.22535, 31.23161, 31.23787, 31.24413, 31.25039, 31.25665, 
    31.26291, 31.26917, 31.27543, 31.28169, 31.28795, 31.29421, 31.30047, 
    31.30673, 31.31299, 31.31925, 31.32551, 31.33177, 31.33803, 31.34429, 
    31.35055, 31.35681, 31.36307, 31.36933, 31.37559, 31.38185, 31.38811, 
    31.39437, 31.40063, 31.40689, 31.41315, 31.4194, 31.42566, 31.43192, 
    31.43818, 31.44444, 31.4507, 31.45696, 31.46322, 31.46948, 31.47574, 
    31.482, 31.48826, 31.49452, 31.50078, 31.50704, 31.5133, 31.51956, 
    31.52582, 31.53208, 31.53834, 31.5446, 31.55086, 31.55712, 31.56338, 
    31.56964, 31.5759, 31.58216, 31.58842, 31.59468, 31.60094, 31.6072, 
    31.61346, 31.61972, 31.62598, 31.63224, 31.6385, 31.64476, 31.65102, 
    31.65728, 31.66354, 31.6698, 31.67606, 31.68232, 31.68858, 31.69484, 
    31.7011, 31.70736, 31.71362, 31.71988, 31.72614, 31.7324, 31.73866, 
    31.74491, 31.75117, 31.75743, 31.76369, 31.76995, 31.77621, 31.78247, 
    31.78873, 31.79499, 31.80125, 31.80751, 31.81377, 31.82003, 31.82629, 
    31.83255, 31.83881, 31.84507, 31.85133, 31.85759, 31.86385, 31.87011, 
    31.87637, 31.88263, 31.88889, 31.89515, 31.90141, 31.90767, 31.91393, 
    31.92019, 31.92645, 31.93271, 31.93897, 31.94523, 31.95149, 31.95775, 
    31.96401, 31.97027, 31.97653, 31.98279, 31.98905, 31.99531, 32.00156, 
    32.00782, 32.01408, 32.02034, 32.0266, 32.03286, 32.03912, 32.04538, 
    32.05164, 32.0579, 32.06416, 32.07042, 32.07668, 32.08294, 32.0892, 
    32.09546, 32.10172, 32.10798, 32.11424, 32.1205, 32.12676, 32.13302, 
    32.13928, 32.14554, 32.1518, 32.15806, 32.16432, 32.17058, 32.17684, 
    32.1831, 32.18936, 32.19562, 32.20188, 32.20814, 32.2144, 32.22066, 
    32.22692, 32.23318, 32.23944, 32.2457, 32.25196, 32.25822, 32.26448, 
    32.27074, 32.277, 32.28326, 32.28952, 32.29578, 32.30204, 32.30829, 
    32.31455, 32.32081, 32.32707, 32.33333, 32.33959, 32.34585, 32.35211, 
    32.35837, 32.36463, 32.37089, 32.37715, 32.38341, 32.38967, 32.39593, 
    32.40219, 32.40845, 32.41471, 32.42097, 32.42723, 32.43349, 32.43975, 
    32.44601, 32.45227, 32.45853, 32.46479, 32.47105, 32.47731, 32.48357, 
    32.48983, 32.49609, 32.50235, 32.50861, 32.51487, 32.52113, 32.52739, 
    32.53365, 32.53991, 32.54617, 32.55243, 32.55869, 32.56495, 32.57121, 
    32.57747, 32.58372, 32.58998, 32.59624, 32.6025, 32.60876, 32.61502, 
    32.62128, 32.62754, 32.6338, 32.64006, 32.64632, 32.65258, 32.65884, 
    32.6651, 32.67136, 32.67762, 32.68388, 32.69014, 32.6964, 32.70266, 
    32.70892, 32.71518, 32.72144, 32.7277, 32.73396, 32.74022, 32.74648, 
    32.75274, 32.759, 32.76526, 32.77152, 32.77778, 32.78404, 32.7903, 
    32.79656, 32.80282, 32.80908, 32.81534, 32.8216, 32.82785, 32.83411, 
    32.84037, 32.84663, 32.85289, 32.85915, 32.86541, 32.87167, 32.87793, 
    32.88419, 32.89045, 32.89671, 32.90297, 32.90923, 32.91549, 32.92175, 
    32.92801, 32.93427, 32.94053, 32.94679, 32.95305, 32.95931, 32.96557, 
    32.97183, 32.97809, 32.98435, 32.99061, 32.99687, 33.00313, 33.00939, 
    33.01565, 33.02191, 33.02817, 33.03443, 33.04069, 33.04695, 33.05321, 
    33.05947, 33.06573, 33.07199, 33.07825, 33.08451, 33.09077, 33.09703, 
    33.10329, 33.10955, 33.11581, 33.12207, 33.12833, 33.13459, 33.14085, 
    33.14711, 33.15337, 33.15963, 33.16589, 33.17215, 33.1784, 33.18466, 
    33.19092, 33.19718, 33.20344, 33.2097, 33.21596, 33.22222, 33.22848, 
    33.23474, 33.241, 33.24726, 33.25352, 33.25978, 33.26604, 33.2723, 
    33.27856, 33.28482, 33.29108, 33.29734, 33.3036, 33.30986, 33.31612, 
    33.32238, 33.32864, 33.3349, 33.34116, 33.34742, 33.35368, 33.35994, 
    33.3662, 33.37246, 33.37872, 33.38498, 33.39124, 33.3975, 33.40376, 
    33.41002, 33.41628, 33.42253, 33.42879, 33.43505, 33.44131, 33.44757, 
    33.45383, 33.46009, 33.46635, 33.47261, 33.47887, 33.48513, 33.49139, 
    33.49765, 33.50391, 33.51017, 33.51643, 33.52269, 33.52895, 33.53521, 
    33.54147, 33.54773, 33.55399, 33.56025, 33.56651, 33.57277, 33.57903, 
    33.58529, 33.59155, 33.59781, 33.60407, 33.61033, 33.61659, 33.62285, 
    33.62911, 33.63537, 33.64163, 33.64789, 33.65415, 33.66041, 33.66667, 
    33.67293, 33.67919, 33.68545, 33.69171, 33.69796, 33.70422, 33.71048, 
    33.71674, 33.723, 33.72926, 33.73552, 33.74178, 33.74804, 33.7543, 
    33.76056, 33.76682, 33.77308, 33.77934, 33.7856, 33.79186, 33.79812, 
    33.80438, 33.81064, 33.8169, 33.82316, 33.82942, 33.83568, 33.84194, 
    33.8482, 33.85446, 33.86072, 33.86698, 33.87324, 33.8795, 33.88576, 
    33.89202, 33.89828, 33.90454, 33.9108, 33.91706, 33.92332, 33.92958, 
    33.93584, 33.9421, 33.94836, 33.95462, 33.96088, 33.96714, 33.9734, 
    33.97966, 33.98592, 33.99218, 33.99844, 34.0047, 34.01096, 34.01722, 
    34.02348, 34.02974, 34.036, 34.04226, 34.04851, 34.05477, 34.06103, 
    34.06729, 34.07355, 34.07981, 34.08607, 34.09233, 34.09859, 34.10485, 
    34.11111, 34.11737, 34.12363, 34.12989, 34.13615, 34.14241, 34.14867, 
    34.15493, 34.16119, 34.16745, 34.17371, 34.17997, 34.18623, 34.19249, 
    34.19875, 34.20501, 34.21127, 34.21753, 34.22379, 34.23005, 34.23631, 
    34.24257, 34.24883, 34.25508, 34.26134, 34.2676, 34.27386, 34.28012, 
    34.28638, 34.29264, 34.2989, 34.30516, 34.31142, 34.31768, 34.32394, 
    34.3302, 34.33646, 34.34272, 34.34898, 34.35524, 34.3615, 34.36776, 
    34.37402, 34.38028, 34.38654, 34.3928, 34.39906, 34.40532, 34.41158, 
    34.41784, 34.4241, 34.43036, 34.43662, 34.44288, 34.44914, 34.4554, 
    34.46166, 34.46792, 34.47418, 34.48044, 34.4867, 34.49296, 34.49922, 
    34.50548, 34.51174, 34.518, 34.52426, 34.53052, 34.53678, 34.54304, 
    34.5493, 34.55556, 34.56182, 34.56807, 34.57433, 34.58059, 34.58685, 
    34.59311, 34.59937, 34.60563, 34.61189, 34.61815, 34.62441, 34.63067, 
    34.63693, 34.64319, 34.64945, 34.65571, 34.66197, 34.66823, 34.67449, 
    34.68075, 34.68701, 34.69327, 34.69953, 34.70579, 34.71205, 34.71831, 
    34.72457, 34.73083, 34.73709, 34.74335, 34.74961, 34.75587, 34.76213, 
    34.76839, 34.77465, 34.78091, 34.78717, 34.79343, 34.79969, 34.80595, 
    34.81221, 34.81847, 34.82473, 34.83099, 34.83725, 34.84351, 34.84977, 
    34.85603, 34.86229, 34.86855, 34.87481, 34.88107, 34.88733, 34.89359, 
    34.89985, 34.90611, 34.91236, 34.91862, 34.92488, 34.93114, 34.9374, 
    34.94366, 34.94992, 34.95618, 34.96244, 34.9687, 34.97496, 34.98122, 
    34.98748, 34.99374, 35 ;

**descriptor file**
DSET /media/satellite/Lake_victoria/victoria_proc/l2/sst/hdf/chlorophyl.nc
DTYPE  netcdf
TITLE Lake Surface Temperature
UNDEF 1e+32
OPTIONS sequential
XDEF 640 LINEAR 31.0 0.00625 
YDEF 640 LINEAR -3 0.00625
TDEF 134 LINEAR 1jul2002 1mo
ZDEF 1 LEVELS 0
VARS 1
 sst 0 t,z,y,x Lake Surface Temperature
ENDVARS

**Command line output (Using Ubuntu 12.04 linux 64 bit machine)**
ga-> open chlorophyl.ctl
Scanning description file:  chlorophyl.ctl
Data file /media/satellite/Lake_victoria/victoria_proc/l2/sst/hdf/chlorophyl.nc is open as file 1
LON set to 31 34.9937 
LAT set to -3 0.99375 
LEV set to 0 0 
Time values set: 2002:7:1:0 2002:7:1:0 
E set to 1 1 
ga-> q file
File 1 : Lake Surface Temperature
  Descriptor: chlorophyl.ctl
  Binary: /media/satellite/Lake_victoria/victoria_proc/l2/sst/hdf/chlorophyl.nc
  Type = Gridded
  Xsize = 640  Ysize = 640  Zsize = 1  Tsize = 134  Esize = 1
  Number of Variables = 1
     sst  0  t,z,y,x  Lake Surface Temperature
ga-> d sst
gancgrid error: nc_get_vara_double failed; NetCDF: Start+count exceeds dimension bound
Data Request Error:  Error for variable 'sst'
  Error ocurred at column 1
DISPLAY error:  Invalid expression 
  Expression = sst

Could you help?
sincerely,
James
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