| 1 | import PyNGL_numpy.Ngl as ngl |
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| 2 | |
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| 3 | def res_init(lat, lon, |
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| 4 | lat_min=None, |
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| 5 | lat_max=None, |
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| 6 | lon_min=None, |
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| 7 | lon_max=None): |
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| 8 | """ |
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| 9 | Assumes lat,lon are numpy arrays |
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| 10 | """ |
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| 11 | if not lat_min: |
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| 12 | lat_min = lat.min() |
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| 13 | if not lat_max: |
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| 14 | lat_max = lat.max() |
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| 15 | if not lon_min: |
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| 16 | lon_min = lon.min() |
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| 17 | if not lon_max: |
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| 18 | lon_max = lon.max() |
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| 19 | res = ngl.Resources() |
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| 20 | res.mpProjection = 'Orthographic' |
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| 21 | res.mpCenterLonF = lon_min + (lon_max-lon_min)/2. |
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| 22 | res.mpCenterLatF = lat_min + (lat_max-lat_min)/2. |
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| 23 | res.mpLimitMode = 'LatLon' |
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| 24 | res.mpMinLatF = lat_min - 0.2 |
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| 25 | res.mpMaxLatF = lat_max + 0.2 |
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| 26 | res.mpMinLonF = lon_min - 0.2 |
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| 27 | res.mpMaxLonF = lon_max + 0.2 |
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| 28 | res.mpFillOn = True |
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| 29 | res.mpGridSpacingF = 2. |
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| 30 | res.vpXF = 0.1 |
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| 31 | res.vpYF = 0.9 |
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| 32 | res.vpWidthF = 0.7 |
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| 33 | res.vpHeightF = 0.7 |
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| 34 | return res |
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| 35 | |
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| 36 | def make_land_gray(wks,res): |
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| 37 | ic = ngl.new_color(wks, 0.75, 0.75,0.75) |
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| 38 | res.mpFillColors = [0,-1,ic,-1] |
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| 39 | |
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| 40 | def mslp_contour_levels(res): |
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| 41 | mnlvl = 980 |
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| 42 | mxlvl = 1024 |
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| 43 | spcng = 2 |
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| 44 | ncn = (mxlvl - mnlvl) / spcng + 1 |
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| 45 | res.cnLevelSelectionMode = 'ManualLevels' |
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| 46 | res.cnMinLevelValF = mnlvl |
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| 47 | res.cnMaxLevelValF = mxlvl |
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| 48 | res.cnLevelSpacingF = spcng |
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| 49 | |
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| 50 | def sfc_pres_contour_levels(res): |
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| 51 | mnlvl = 840 |
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| 52 | mxlvl = 1024 |
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| 53 | spcng = 2 |
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| 54 | ncn = (mxlvl - mnlvl) / spcng + 1 |
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| 55 | res.cnLevelSelectionMode = 'ManualLevels' |
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| 56 | res.cnMinLevelValF = mnlvl |
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| 57 | res.cnMaxLevelValF = mxlvl |
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| 58 | res.cnLevelSpacingF = spcng |
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| 59 | |
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| 60 | |
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