<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;"><P>Hi,</P><P></P><P>I have grided data in rotated mercator projection in netcdf file. I want to project the data in lat/long using grads. How can I do that?</P><P></P><P>I am using Grads v2.0.a3 in linux mechine. I have attached the output of ncdump below:</P><P></P><P>$ ncdump -c srf.nc<BR>netcdf srf {<BR>dimensions:<BR> lon = 118 ;<BR> lat = 109 ;<BR> time = UNLIMITED ; // (12 currently)<BR>variables:<BR> float lon(lon) ;<BR> lon:long_name = "Longitude" ;<BR> lon:units = "degrees_east" ;<BR> lon:actual_range = 52.37275f, 108.0947f ;<BR> float lat(lat) ;<BR> lat:long_name = "Latitude" ;<BR> lat:units = "degrees_north" ;<BR> lat:actual_range = -2.378861f, 44.79094f ;<BR> double time(time) ;<BR>
time:long_name = "Time" ;<BR> time:units = "hours since 1900-1-1 00:00:0.0" ;<BR> time:actual_range = 535056., 543072. ;<BR> float UA(time, lat, lon) ;<BR> UA:long_name = "Anemom Zonal Winds" ;<BR> UA:units = "m/s" ;<BR> UA:missing_value = -1.e+30f ;<BR> float VA(time, lat, lon) ;<BR> VA:long_name = "Anemom Merid Winds" ;<BR> VA:units = "m/s" ;<BR> VA:missing_value = -1.e+30f ;<BR> float DRAG(time, lat, lon) ;<BR> DRAG:long_name = "Surface Drag Stress" ;<BR> DRAG:units = "si" ;<BR> DRAG:missing_value = -1.e+30f ;<BR> float TG(time, lat, lon) ;<BR> TG:long_name = "Ground Temperature" ;<BR> TG:units = "K" ;<BR> TG:missing_value = -1.e+30f ;<BR> float TF(time, lat, lon) ;<BR>
TF:long_name = "Foliage Temp" ;<BR> TF:units = "K" ;<BR> TF:missing_value = -1.e+30f ;<BR> float TA(time, lat, lon) ;<BR> TA:long_name = "Anemom Temp" ;<BR> TA:units = "K" ;<BR> TA:missing_value = -1.e+30f ;<BR> float QA(time, lat, lon) ;<BR> QA:long_name = "Anemom Spec Humidity" ;<BR> QA:units = "kg/kg" ;<BR> QA:missing_value = -1.e+30f ;<BR> float SMU(time, lat, lon) ;<BR> SMU:long_name = "Top Layer Soil Moist" ;<BR> SMU:units = "mm" ;<BR> SMU:missing_value = -1.e+30f ;<BR> float SMR(time, lat, lon) ;<BR> SMR:long_name = "Root Lay Soil Moist" ;<BR> SMR:units = "mm" ;<BR> SMR:missing_value = -1.e+30f ;<BR> float RT(time, lat, lon) ;<BR> RT:long_name = "Total Precipitation"
;<BR> RT:units = "mm/day" ;<BR> RT:missing_value = -1.e+30f ;<BR> float ET(time, lat, lon) ;<BR> ET:long_name = "Evapotranspiration" ;<BR> ET:units = "mm/day" ;<BR> ET:missing_value = -1.e+30f ;<BR> float RNFS(time, lat, lon) ;<BR> RNFS:long_name = "Surface Runoff" ;<BR> RNFS:units = "mm/day" ;<BR> RNFS:missing_value = -1.e+30f ;<BR> float SNOW(time, lat, lon) ;<BR> SNOW:long_name = "Snow Depth" ;<BR> SNOW:units = "mm H2O" ;<BR> SNOW:missing_value = -1.e+30f ;<BR> float SH(time, lat, lon) ;<BR> SH:long_name = "Sensible Heat" ;<BR> SH:units = "W/m2" ;<BR> SH:missing_value = -1.e+30f ;<BR> float LWN(time, lat, lon) ;<BR> LWN:long_name = "Net Longwave" ;<BR>
LWN:units = "W/m2" ;<BR> LWN:missing_value = -1.e+30f ;<BR> float SWN(time, lat, lon) ;<BR> SWN:long_name = "Net Solar Absorbed" ;<BR> SWN:units = "W/m2" ;<BR> SWN:missing_value = -1.e+30f ;<BR> float LWD(time, lat, lon) ;<BR> LWD:long_name = "Downward Longwave" ;<BR> LWD:units = "W/m2" ;<BR> LWD:missing_value = -1.e+30f ;<BR> float SWI(time, lat, lon) ;<BR> SWI:long_name = "Solar Incident" ;<BR> SWI:units = "W/m2" ;<BR> SWI:missing_value = -1.e+30f ;<BR> float RC(time, lat, lon) ;<BR> RC:long_name = "Convective Precip" ;<BR> RC:units = "mm/day" ;<BR> RC:missing_value = -1.e+30f ;<BR> float PSRF(time, lat, lon) ;<BR> PSRF:long_name = "Surface Pressure" ;<BR> PSRF:units = "hPa"
;<BR> PSRF:missing_value = -1.e+30f ;<BR> float ZPBL(time, lat, lon) ;<BR> ZPBL:long_name = "PBL Height" ;<BR> ZPBL:units = "m" ;<BR> ZPBL:missing_value = -1.e+30f ;<BR> float TGMAX(time, lat, lon) ;<BR> TGMAX:long_name = "Max Ground Temp" ;<BR> TGMAX:units = "K" ;<BR> TGMAX:missing_value = -1.e+30f ;<BR> float TGMIN(time, lat, lon) ;<BR> TGMIN:long_name = "Min Ground Temp" ;<BR> TGMIN:units = "K" ;<BR> TGMIN:missing_value = -1.e+30f ;<BR> float TAMAX(time, lat, lon) ;<BR> TAMAX:long_name = "Max Anemom Temp" ;<BR> TAMAX:units = "K" ;<BR> TAMAX:missing_value = -1.e+30f ;<BR> float TAMIN(time, lat, lon) ;<BR> TAMIN:long_name = "Min Anemom Temp" ;<BR> TAMIN:units = "K" ;<BR>
TAMIN:missing_value = -1.e+30f ;<BR> float W10MX(time, lat, lon) ;<BR> W10MX:long_name = "Max 10m Wind Speed" ;<BR> W10MX:units = "m/s" ;<BR> W10MX:missing_value = -1.e+30f ;<BR> float PSMIN(time, lat, lon) ;<BR> PSMIN:long_name = "Min Surface Pressure" ;<BR> PSMIN:units = "hPa" ;<BR> PSMIN:missing_value = -1.e+30f ;<BR> float RHA(time, lat, lon) ;<BR> RHA:long_name = "Relative Humidity" ;<BR> RHA:units = "fraction" ;<BR> RHA:missing_value = -1.e+30f ;<BR><BR>// global attributes:<BR> :domxmin = 52.37275f ;<BR> :domxmax = 108.0947f ;<BR> :domymin = -2.378861f ;<BR> :domymax = 44.79094f ;<BR> :domzmin = 1050.f ;<BR> :domzmax = 1050.f ;<BR>data:<BR><BR> lon = 52.37275, 52.84065,
53.30896, 53.77768, 54.2468, 54.7163, 55.1862,<BR> 55.65649, 56.12714, 56.59818, 57.06958, 57.54135, 58.01347, 58.48594,<BR> 58.95876, 59.43192, 59.90541, 60.37923, 60.85337, 61.32784, 61.8026,<BR> 62.27767, 62.75303, 63.22868, 63.70462, 64.18082, 64.6573, 65.13405,<BR> 65.61103, 66.08827, 66.56575, 67.04345, 67.52139, 67.99953, 68.4779,<BR> 68.95645, 69.4352, 69.91414, 70.39325, 70.87254, 71.35197, 71.83157,<BR> 72.31132, 72.79119, 73.2712, 73.75132, 74.23156, 74.7119, 75.19233,<BR> 75.67285, 76.15345, 76.63412, 77.11485, 77.59563, 78.07645, 78.5573,<BR> 79.03819, 79.51909, 79.99999, 80.4809, 80.96181, 81.44269, 81.92355,<BR> 82.40437, 82.88515, 83.36587, 83.84653, 84.32713, 84.80766, 85.28809,<BR> 85.76843, 86.24866, 86.7288, 87.2088, 87.68867, 88.16841, 88.64801,<BR> 89.12746, 89.60674, 90.08585, 90.56479, 91.04353, 91.52209, 92.00045,<BR> 92.4786, 92.95654, 93.43424, 93.91171, 94.38895, 94.86594,
95.34268,<BR> 95.81916, 96.29537, 96.7713, 97.24696, 97.72232, 98.19739, 98.67216,<BR> 99.14661, 99.62076, 100.0946, 100.5681, 101.0412, 101.514, 101.9865,<BR> 102.4586, 102.9304, 103.4018, 103.8728, 104.3435, 104.8138, 105.2837,<BR> 105.7532, 106.2223, 106.691, 107.1593, 107.6272, 108.0947 ;<BR><BR> lat = -2.378861, -1.965491, -1.550857, -1.134967, -0.7178538, -0.2995197,<BR> 0.1200046, 0.5407031, 0.9625621, 1.385549, 1.809664, 2.234863, 2.661142,<BR> 3.088466, 3.516842, 3.946209, 4.376571, 4.807911, 5.240187, 5.673385,<BR> 6.107484, 6.542458, 6.978286, 7.414947, 7.852407, 8.290652, 8.729655,<BR> 9.16939, 9.609834, 10.05096, 10.49274, 10.93516, 11.37819, 11.82179,<BR> 12.26595, 12.71064, 13.15584, 13.60151, 14.04763, 14.49418, 14.94112,<BR> 15.38843, 15.83609, 16.28406, 16.73233, 17.18085, 17.62961, 18.07857,<BR> 18.52772, 18.97701, 19.42644, 19.87596, 20.32555, 20.77518, 21.22482,<BR> 21.67445,
22.12404, 22.57355, 23.02298, 23.47227, 23.92142, 24.37038,<BR> 24.81915, 25.26767, 25.71594, 26.1639, 26.61156, 27.05888, 27.50582,<BR> 27.95237, 28.39849, 28.84416, 29.28936, 29.73404, 30.1782, 30.62181,<BR> 31.06484, 31.50725, 31.94904, 32.39017, 32.83061, 33.27034, 33.70934,<BR> 34.14759, 34.58505, 35.02171, 35.45754, 35.89252, 36.32661, 36.75981,<BR> 37.19209, 37.62342, 38.05379, 38.48316, 38.91153, 39.33885, 39.76514,<BR> 40.19034, 40.61444, 41.03743, 41.45929, 41.87999, 42.29952, 42.71785,<BR> 43.13496, 43.55085, 43.96549, 44.37885, 44.79094 ;<BR><BR> time = 535056, 535800, 536472, 537216, 537936, 538680, 539400, 540144,<BR> 540888, 541608, 542352, 543072 ;<BR></P><P></P><P>Any suggestion will be highly appriciated.</P><P></P><P>Jagadish<BR><BR></P></td></tr></table><br>