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plot_traj_obs.ncl
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plot_traj_obs.ncl
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;========================================================
; This file reads in a traj file produced by the TC tracker
; and produces a lat-lon plot of trajectories color-coded by intensity
;========================================================
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_code.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/gsn_csm.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/contributed.ncl"
load "$NCARG_ROOT/lib/ncarg/nclscripts/csm/shea_util.ncl"
load "/glade/u/home/zarzycki/ncl/functions/trackDensity.ncl"
load "/glade/u/home/zarzycki/ncl/functions/surfaceWindCorrFactor.ncl"
load "/glade/u/home/zarzycki/ncl/functions/getTrajectoriesGeneric.ncl"
load "/glade/u/home/zarzycki/ncl/functions/mask_tc.ncl"
;========================================================
begin
output_type="pdf"
basin="global"
cutwind=17;0.0
factor = surfaceWindCorrFactor(-1,-1,"log")
pres_thresh=910.
basinfilt = 1
maskspacing=1.0
tcMask = mask_tc(0,-999,-999,maskspacing,360)
files = systemfunc("ls ../../obs_tracks/trim_obs_traj_*.nc"); 1985-2014
f = addfiles(files,"r")
ListSetType(f, "join")
lat = f[:]->lat
lon = f[:]->lon
wind = f[:]->wind
dims = dimsizes(lon) ; times, storms
nyears = dims(0)
ntimes = dims(1)
nstorms = dims(2)
printVarSummary(wind)
;--------------------------------------------------------
print("Beginning plot sequence")
wks = gsn_open_wks(output_type,"traj_plotte_obsd_color")
gsn_define_colormap(wks,"BlAqGrYeOrReVi200")
map = new(1,graphic)
res = True
res@gsnDraw = False
res@gsnFrame = False
res@gsnMaximize = True
res@mpFillOn = True ; turn off gray continents
res@mpOutlineOn = True
;res@mpGreatCircleLinesOn = True
i = NhlNewColor(wks,0.7,0.7,0.7) ; add gray to colormap for continents
res@mpMinLonF = 0.
res@mpMaxLonF = 360.
res@mpCenterLonF = 180.
res@mpMinLatF = -80
res@mpMaxLatF = 80
res@mpFillDrawOrder ="PreDraw"
res@tiMainString = "OBS"
map = gsn_csm_map_ce(wks,res)
polyres = True ; poly marker mods desired
polyres@gsMarkerIndex = 1 ; choose circle as polymarker
lineres = True
dum = new((/nyears, ntimes,nstorms/),graphic)
do iy = 0, nyears-1
print("year "+iy)
do j = 0,nstorms-1
maxwind = max(wind(iy,:,j))
; if (maxwind.ge.50) then
; print("maxwind = "+maxwind)
do i = 0,ntimes-1
thisWind=wind(iy, i,j)
linethicknesses = (/0.2,0.3,1.3,1.9,1.9, 1.9/)
linethicknesses = 4.0*linethicknesses
if (.not.ismissing(thisWind))
; polyres@gsMarkerSizeF = 2.0 ; select size to avoid streaking
if (thisWind .lt. 17)
polyres@gsMarkerColor =0
lineres@gsLineColor = 0
lineres@gsLineThicknessF = linethicknesses(0)
else if (thisWind .ge. 17 .and. thisWind .lt. 33)
polyres@gsMarkerColor = 55
lineres@gsLineColor = 55
lineres@gsLineThicknessF = linethicknesses(1)
else if (thisWind .ge. 33 .and. thisWind .lt. 43)
polyres@gsMarkerColor = 105
lineres@gsLineColor = 105
lineres@gsLineThicknessF = linethicknesses(2)
else if (thisWind .ge. 43 .and. thisWind .lt. 49)
polyres@gsMarkerColor = 135
lineres@gsLineColor = 135
lineres@gsLineThicknessF = linethicknesses(3)
else if (thisWind .ge. 49 .and. thisWind .lt. 58)
polyres@gsMarkerColor = 151
lineres@gsLineColor = 151
lineres@gsLineThicknessF = linethicknesses(4)
else if (thisWind.ge.58.and.thisWind.lt.79)
polyres@gsMarkerColor = 175
lineres@gsLineColor = 175
lineres@gsLineThicknessF = linethicknesses(5)
else
polyres@gsMarkerColor = 190;(/"red"/)
lineres@gsLineColor = 190;(/"red"/)
lineres@gsLineThicknessF = linethicknesses(5)
end if
end if
end if
end if
end if
end if
txres = True
txres@txFontHeightF = 0.01 ; Set the font height
if (i .ne. 0) then
if(thisWind .ge. cutwind) then
; print( "plot ah")
dum(iy, i,j) = gsn_add_polyline(wks,map,(/lon(iy,i,j),lon(iy, i-1,j)/),(/lat(iy, i,j),lat(iy, i-1,j)/),lineres)
end if
end if
end if
end do
;end if
end do
end do
; if we are doing a varres grid, let's push an outline of the atl30x4 grid
;if (modelgrid .eq. "vr") then
; map = plot_outline_fcn(wks,map,"black",3.0)
;end if
;******************
; Plot a legend *
;******************
lgres = True
lgres@lgAutoManage = False
lgres@vpWidthF = 0.08 ; was 0.08 ; width of legend (NDC)
lgres@vpHeightF = 0.12 ; was 0.08 ; height of legend (NDC)
; lgres@lgBottomMarginF = 0.17 ; was 0.25
lgres@lgPerimFill = 0 ; Use solid fill (0) instead of the default hollow fill
lgres@lgPerimFillColor = "Background"
;lgres@lgOrientation = "Horizontal"
; lgres@lgBoxMajorExtentF = 0.4
lgres@lgBoxMinorExtentF = 0.2 ; controls how wide the box holding the legend items (lines and markers) can be in relation to legend
; lgres@lgBoxBackground = "PaleTurquoise3"
lgres@lgMonoItemType = False ; indicates that we wish to set the item types individually
lgres@lgMonoMarkerIndex = False
lgres@lgMonoLineThickness = False
lgres@lgMonoMarkerThickness = False
lgres@lgMonoMarkerSize = False
;lgres@lgLabelFont = 0
lgres@lgLabelFontHeightF = 0.07
lgres@lgLabelFontAspectF = 1.5
lgres@lgLabelConstantSpacingF = 0.0
legendType = "Markers"
markerSize = .008
markerIndex = 16
if (cutwind .eq. 0) then
lgres@lgItemCount = 6
;lgres@lgLineDashSegLenF = 0.8
lgres@lgItemTypes = (/"Markers","Markers","Markers","Markers","Markers","Markers"/)
lgres@lgMarkerIndexes = (/ 16, 16, 16, 16, 16, 16/)
lgres@lgMarkerThicknesses = (/ markerSize, markerSize, markerSize, markerSize, markerSize, markerSize/)
lgres@lgMarkerColors = (/ "red", "darkorange3", "orange", "yellow", "green", "blue" /) ; colors for legend lines
;lgres@lgDashIndexes = (/ 0, 0, 0, 0, 0, 0 /) ; dash indexes
legend_labels = (/"Cat. 4/5","Cat. 3","Cat. 2",\
"Cat. 1","TS","TD"/)
else if (cutwind .eq. 17) then
lgres@lgItemCount = 6
lgres@lgItemTypes = (/legendType,legendType,legendType,legendType,legendType,legendType/)
lgres@lgMarkerIndexes = (/markerIndex,markerIndex,markerIndex,markerIndex,markerIndex,markerIndex/)
lgres@lgMarkerThicknesses = (/ markerSize, markerSize, markerSize, markerSize, markerSize,markerSize/)
lgres@lgMarkerColors = (/190, 175, 151, 135,105, 55/)
legend_labels = (/"Category 5","Category4","Category 3","Category 2",\
"Category 1","Tropical Storm"/)
else
end if
end if
legend = gsn_create_legend(wks,lgres@lgItemCount,legend_labels,lgres)
amres = True
if (basin .eq. "atlantic") then
amres@amParallelPosF = 0.43 ; move legend to the right
amres@amOrthogonalPosF = -.3 ; move the legend down
else if (basin .eq. "tropics") then
amres@amParallelPosF = 0.21 ; move legend to the right .37 formerly
amres@amOrthogonalPosF = .27 ; move the legend down
else if (basin .eq. "refine") then
amres@amParallelPosF = -0.46
amres@amOrthogonalPosF = -0.18
else
amres@amParallelPosF = 0.45
amres@amOrthogonalPosF = .27 ; move the legend down
end if
end if
end if
annoid1 = gsn_add_annotation(map,legend,amres) ; add legend to plot
print("Drawing plot")
;---------
; plot the basin boundaries
;----------------
; 1 = ATL lat(0, 45), lon(257, 355) four corners: (257,22), (257, 45), (355,45),(355, 0), (295, 0)
; 2 = EPAC five corners (220,0), (220, 45), (257, 45)) + (295,0),(257, 22)
; 3 = CPAC+ WPAC (100, 0) (100, 45), (220 0) (220, 45)
; 5 = NIO (30, 0) (30, 45), (100, 0) (100, 45)
; 6 = SH (30,0), (30, -45) (290, 0) (290, -45)
lres = True
lres@gsLineColor = "olivedrab"
lres@gsLineThicknessF = 3.
;lres@gsLineDashPattern = 1
res@mpGreatCircleLinesOn = False
xpts = (/257., 257., 355., 355., 287., 257./)
ypts = (/22., 45., 45., 5., 5., 22./)
dum_at = new(5, graphic)
do i = 0, 4
dum_at(i) = gsn_add_polyline(wks, map, xpts(i:i+1), ypts(i:i+1), lres)
end do
delete(xpts)
delete(ypts)
xpts = (/220., 220., 257., 257., 287., 220./)
ypts = (/5., 45., 45., 22., 5., 5./)
dum_ep = new(5, graphic)
do i = 0, 4
dum_ep(i) = gsn_add_polyline(wks, map, xpts(i:i+1), ypts(i:i+1), lres)
end do
delete(xpts)
delete(ypts)
xpts = (/100., 100., 220., 220., 100./)
ypts = (/5., 45., 45., 5., 5./)
dum_nwp = new(4, graphic)
do i = 0, 3
dum_nwp(i) = gsn_add_polyline(wks, map, xpts(i:i+1), ypts(i:i+1), lres)
end do
delete(xpts)
delete(ypts)
xpts = (/30., 30., 100., 100., 30./)
ypts = (/5., 25., 25., 5., 5./)
dum_nio = new(4, graphic)
do i = 0, 3
dum_nio(i) = gsn_add_polyline(wks, map, xpts(i:i+1), ypts(i:i+1), lres)
end do
delete(xpts)
delete(ypts)
xpts = (/30., 30., 200., 290., 290.,200., 30./)
ypts = (/-45., -5., -5.,-5., -45., -45., -45./)
dum_sh = new(6, graphic)
do i = 0, 5
dum_sh(i) = gsn_add_polyline(wks, map, xpts(i:i+1), ypts(i:i+1), lres)
end do
;------------
; add text
txres = True ; text mods desired
txres@txFontHeightF = 0.02 ; font smaller. default big
txres@txFontColor = "black"
dum_t1 = gsn_add_text(wks,map,"NA",330.,10.0,txres)
dum_t2 = gsn_add_text(wks,map,"EP",230.,40.0,txres)
dum_t3 = gsn_add_text(wks,map,"NWP",115.,40.0,txres)
dum_t4 = gsn_add_text(wks,map,"NI",40.,19.0,txres)
dum_t5 = gsn_add_text(wks,map,"SH",265.,-10.0,txres)
resP = True
resP@amJust = "TopRight"
resP@gsnPanelFigureStringsFontHeightF = 0.027
gsn_panel(wks,map,(/1,1/),resP) ; now draw as one plot
end