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- 2018-9-28
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- 1970-1-1
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5金钱
新手求教grib2用ncl画图时出现警告,请问这个警告需要改吗,要怎么改?(数据已经上传至附件)
begin
f1 = addfile("fnl_20200127_00_00.grib2","r")
f2 = addfile("fnl_20200127_06_00.grib2","r")
f3 = addfile("fnl_20200127_12_00.grib2","r")
f4 = addfile("fnl_20200127_18_00.grib2","r")
u1 = f1->UGRD_P0_L100_GLL0(18,:,:)
u2 = f2->UGRD_P0_L100_GLL0(18,:,:)
u3 = f3->UGRD_P0_L100_GLL0(18,:,:)
u4 = f4->UGRD_P0_L100_GLL0(18,:,:)
v1 = f1->VGRD_P0_L100_GLL0(18,:,:)
v2 = f2->VGRD_P0_L100_GLL0(18,:,:)
v3 = f3->VGRD_P0_L100_GLL0(18,:,:)
v4 = f4->VGRD_P0_L100_GLL0(18,:,:)
u_500 = (u1+u2+u3+u4)/4
v_500 = (v1+v2+v3+v4)/4
wks = gsn_open_wks("png","uv500")
res = True
res@gsnLeftString = ""
res@gsnRightString = ""
res@pmTickMarkDisplayMode = "Always"
res@vcGlyphStyle = "FillArrow"
res@vcFillArrowEdgeColor = "white"
res@vcFillArrowFillColor = "black"
res@vcMinMagnitudeF = 5.0
res@vcRefAnnoOn = True
res@vcRefMagnitudeF = 20
res@vcRefLengthF = 0.04
res@vcRefAnnoBackgroundColor = "white"
res@vcRefAnnoPerimOn = False
res@vcRefAnnoFontHeightF = 0.015
res@vcRefAnnoString2 = "20 m/s"
res@vcRefAnnoOrthogonalPosF = -1.25
res@vcMinDistanceF = 0.03
plot = gsn_csm_vector_map(wks,u_500,v_500,res)
end
出现的警告是
(0) check_for_y_lat_coord: Warning: Data either does not contain
(0) a valid latitude coordinate array or doesn't contain one at all.
(0) A valid latitude coordinate array should have a 'units'
(0) attribute equal to one of the following values:
(0) 'degrees_north' 'degrees-north' 'degree_north' 'degrees north' 'degrees_N' 'Degrees_north' 'degree_N' 'degreeN' 'degreesN' 'deg north'
(0) check_for_lon_coord: Warning: Data either does not contain
(0) a valid longitude coordinate array or doesn't contain one at all.
(0) A valid longitude coordinate array should have a 'units'
(0) attribute equal to one of the following values:
(0) 'degrees_east' 'degrees-east' 'degree_east' 'degrees east' 'degrees_E' 'Degrees_east' 'degree_E' 'degreeE' 'degreesE' 'deg east'
请大家帮我看看要怎么改,最好是能帮我改一下,新手小白,真的谢谢大家了!
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最佳答案
查看完整内容
要重新定义变量的维
可以参考:http://blog.sina.com.cn/s/blog_5d7295010101j6xx.html
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