1 | ;+ |
---|
2 | ; |
---|
3 | ; @file_comments |
---|
4 | ; |
---|
5 | ; @categories |
---|
6 | ; Grid |
---|
7 | ; |
---|
8 | ; @param XAXIS |
---|
9 | ; |
---|
10 | ; @param YAXIS |
---|
11 | ; |
---|
12 | ; @param ZAXIS |
---|
13 | ; |
---|
14 | ; @param LINETYPE |
---|
15 | ; |
---|
16 | ; @keyword FORTHEMASK |
---|
17 | ; |
---|
18 | ; @keyword WPOINT |
---|
19 | ; |
---|
20 | ; @keyword FIRSTS |
---|
21 | ; |
---|
22 | ; @keyword LASTS |
---|
23 | ; |
---|
24 | ; @keyword PTTYPE |
---|
25 | ; |
---|
26 | ; @uses |
---|
27 | ; <pro>common</pro> |
---|
28 | ; |
---|
29 | ; @history |
---|
30 | ; Sebastien Masson (smasson\@lodyc.jussieu.fr) |
---|
31 | ; 2001-06 |
---|
32 | ; |
---|
33 | ; @version |
---|
34 | ; $Id$ |
---|
35 | ; |
---|
36 | ; @todo seb |
---|
37 | ; |
---|
38 | ;- |
---|
39 | PRO computehopegrid, xaxis, yaxis, zaxis, linetype $ |
---|
40 | , FORTHEMASK=forthemask, WPOINT=wpoint $ |
---|
41 | , FIRSTS=firsts, LASTS=lasts, PTTYPE=pttype |
---|
42 | ; |
---|
43 | compile_opt idl2, strictarrsubs |
---|
44 | ; |
---|
45 | @cm_4mesh |
---|
46 | @cm_4data |
---|
47 | IF NOT keyword_set(key_forgetold) THEN BEGIN |
---|
48 | @updatenew |
---|
49 | ENDIF |
---|
50 | ;--------------------------------------------------------- |
---|
51 | ;------------------------------------------------------------ |
---|
52 | if not (keyword_set(scalar)*keyword_set(vector)) then scalar=1 |
---|
53 | ;------------------------------------------------------------ |
---|
54 | jpiglo = n_elements(xaxis) |
---|
55 | jpjglo = n_elements(yaxis) |
---|
56 | jpkglo = n_elements(zaxis) |
---|
57 | ; |
---|
58 | jpi = jpiglo |
---|
59 | jpj = jpjglo |
---|
60 | jpk = jpkglo |
---|
61 | ; |
---|
62 | if NOT keyword_set(firsts) then firsts = [0, 0, 0] |
---|
63 | if NOT keyword_set(lasts) then lasts = [jpi-1, jpj-1, jpk-1] |
---|
64 | ; |
---|
65 | ; determination of the grid type and of the point type |
---|
66 | ; |
---|
67 | if keyword_set(pttype) then vargrid = pttype |
---|
68 | if linetype EQ 'odd-even' then key_gridtype = 'e' ELSE key_gridtype = 'c' |
---|
69 | ; |
---|
70 | ; computation of the horizontal grid |
---|
71 | ; |
---|
72 | if key_gridtype EQ 'e' then begin |
---|
73 | if vargrid EQ 'T' then begin |
---|
74 | glamt=xaxis |
---|
75 | glamt = glamt#replicate(1, jpj) |
---|
76 | xstep=(glamt[1,0]-glamt[0,0])/2. |
---|
77 | glamt[*,2*lindgen((jpj)/2)]=glamt[*,2*lindgen(jpj/2)]-xstep |
---|
78 | glamu=glamt+xstep |
---|
79 | ENDIF ELSE BEGIN |
---|
80 | glamu=xaxis |
---|
81 | glamu = glamu#replicate(1, jpj) |
---|
82 | xstep=(glamu[1,0]-glamu[0,0])/2. |
---|
83 | glamu[*,2*lindgen((jpj)/2)]=glamu[*,2*lindgen(jpj/2)]-xstep |
---|
84 | glamt=glamu-xstep |
---|
85 | ENDELSE |
---|
86 | ;zoom |
---|
87 | glamt = glamt[firsts[0]:lasts[0], firsts[1]:lasts[1]] |
---|
88 | glamu = glamu[firsts[0]:lasts[0], firsts[1]:lasts[1]] |
---|
89 | jpiglo = lasts[0]-firsts[0]+1 |
---|
90 | jpi = jpiglo |
---|
91 | jpjglo = lasts[1]-firsts[1]+1 |
---|
92 | jpj = jpjglo |
---|
93 | glamv = glamu |
---|
94 | glamf = glamu |
---|
95 | gphit = yaxis[firsts[1]:lasts[1]] |
---|
96 | gphit = replicate(1, jpi)#gphit |
---|
97 | gphif = gphit |
---|
98 | gphiu = gphit |
---|
99 | gphiv = gphif |
---|
100 | ENDIF ELSE BEGIN |
---|
101 | if vargrid eq 'T' then begin |
---|
102 | glamt=xaxis |
---|
103 | glamt = glamt#replicate(1, jpj) |
---|
104 | glamu=glamt+(glamt[1,0]-glamt[0,0])/2. |
---|
105 | ENDIF ELSE BEGIN |
---|
106 | glamu=xaxis |
---|
107 | glamu = glamu#replicate(1, jpj) |
---|
108 | xstep=(glamu[1,0]-glamu[0,0])/2. |
---|
109 | glamt=glamu-(glamu[1,0]-glamu[0,0])/2. |
---|
110 | ENDELSE |
---|
111 | ;zoom |
---|
112 | glamt = glamt[firsts[0]:lasts[0], firsts[1]:lasts[1]] |
---|
113 | glamu = glamu[firsts[0]:lasts[0], firsts[1]:lasts[1]] |
---|
114 | jpiglo = lasts[0]-firsts[0]+1 |
---|
115 | jpi = jpiglo |
---|
116 | jpjglo = lasts[1]-firsts[1]+1 |
---|
117 | jpj = jpjglo |
---|
118 | glamv = glamt |
---|
119 | glamf = glamu |
---|
120 | gphit = yaxis[firsts[1]:lasts[1]] |
---|
121 | gphit = replicate(1, jpi)#gphit |
---|
122 | gphiu = gphit |
---|
123 | if jpj GT 1 then begin |
---|
124 | gphiv = gphit+(gphit[0, 1]-gphit[0, 0])/2. |
---|
125 | gphif = gphit+(gphit[0, 1]-gphit[0, 0])/2. |
---|
126 | ENDIF ELSE BEGIN |
---|
127 | gphiv = gphit |
---|
128 | gphif = gphit |
---|
129 | ENDELSE |
---|
130 | ENDELSE |
---|
131 | ; |
---|
132 | ; computation of the vertical grid |
---|
133 | ; |
---|
134 | if keyword_set(wpoint) then begin |
---|
135 | gdepw = zaxis |
---|
136 | if jpk ne 1 then begin |
---|
137 | gdept=(shift(gdepw, -1)+gdepw)/2. |
---|
138 | gdept[jpk-1]=gdepw[jpk-1]+.5*(gdepw[jpk-1]-gdepw[jpk-2]) |
---|
139 | endif else gdept=zaxis |
---|
140 | endif else begin |
---|
141 | gdept = zaxis |
---|
142 | if jpk ne 1 then begin |
---|
143 | gdepw=(shift(gdept, 1)+gdept)/2. |
---|
144 | gdepw[0]=0 |
---|
145 | endif else gdepw = zaxis |
---|
146 | endelse |
---|
147 | ; |
---|
148 | ; computation of the vertical scale factors |
---|
149 | ; |
---|
150 | if jpk ne 1 then begin |
---|
151 | e3t = abs(shift(gdepw,-1)-gdepw) |
---|
152 | e3t[jpk-1] = abs(gdept[jpk-1]-gdepw[jpk-1]) |
---|
153 | e3w = abs(gdept-shift(gdept,1)) |
---|
154 | e3w[0] = abs(gdept[0]-gdepw[0]) |
---|
155 | endif else begin |
---|
156 | e3t=1 |
---|
157 | e3w=1 |
---|
158 | endelse |
---|
159 | ; zoom |
---|
160 | gdept = gdept[firsts[2]:lasts[2]] |
---|
161 | gdepw = gdepw[firsts[2]:lasts[2]] |
---|
162 | e3t = e3t[firsts[2]:lasts[2]] |
---|
163 | e3w = e3w[firsts[2]:lasts[2]] |
---|
164 | jpkglo = lasts[2]-firsts[2]+1 |
---|
165 | jpk = jpkglo |
---|
166 | ; |
---|
167 | ; computation of the horizontal scale factors |
---|
168 | ; |
---|
169 | e1t = replicate(1b,jpi,jpj) |
---|
170 | e2t = replicate(1b,jpi,jpj) |
---|
171 | e1u = e1t |
---|
172 | e2u = e2t |
---|
173 | e1v = e1t |
---|
174 | e2v = e2t |
---|
175 | e1f = e1t |
---|
176 | e2f = e2t |
---|
177 | ; |
---|
178 | ; mask |
---|
179 | ; |
---|
180 | tmask = replicate(1b, jpi, jpj, jpk) |
---|
181 | if keyword_set(forthemask) then BEGIN |
---|
182 | land=where(forthemask ge valmask/10) |
---|
183 | if land[0] ne -1 then tmask[land] = 0b |
---|
184 | endif |
---|
185 | umaskred = replicate(1, jpj, jpk) |
---|
186 | vmaskred = replicate(1, jpi, jpk) |
---|
187 | fmaskredy = replicate(1, jpj, jpk) |
---|
188 | fmaskredx = replicate(1, jpi, jpk) |
---|
189 | @updateold |
---|
190 | domdef |
---|
191 | if keyword_set(firsts) AND keyword_set(lasts) then BEGIN |
---|
192 | if vargrid EQ 'T' then BEGIN |
---|
193 | if jpj GT 1 then begin |
---|
194 | lon1 = min(glamt[0, [0, 1]]) |
---|
195 | lon2 = max(glamt[jpi-1, [0, 1]]) |
---|
196 | endif ELSE BEGIN |
---|
197 | lon1 = min(glamt[0, 0]) |
---|
198 | lon2 = max(glamt[jpi-1, [0]]) |
---|
199 | ENDELSE |
---|
200 | ENDIF ELSE BEGIN |
---|
201 | if jpj GT 1 then begin |
---|
202 | lon1 = min(glamu[0, [0, 1]]) |
---|
203 | lon2 = max(glamu[jpi-1, [0, 1]]) |
---|
204 | endif ELSE BEGIN |
---|
205 | lon1 = min(glamu[0, 0]) |
---|
206 | lon2 = max(glamu[jpi-1, 0]) |
---|
207 | ENDELSE |
---|
208 | ENDELSE |
---|
209 | lat1 = min([gphit[0, 0], gphit[0, jpj-1]]) |
---|
210 | lat2 = max([gphit[0, 0], gphit[0, jpj-1]]) |
---|
211 | domdef, lon1, lon2, lat1, lat2, gdepw[0], gdept[jpk-1], gridtype = vargrid |
---|
212 | ENDIF |
---|
213 | ; |
---|
214 | ixminmesh =0l |
---|
215 | ixmaxmesh =long(jpi-1) |
---|
216 | iyminmesh =0l |
---|
217 | iymaxmesh =long(jpj-1) |
---|
218 | izminmesh =0l |
---|
219 | izmaxmesh =long(jpk-1) |
---|
220 | ;---------------------------------------------------------- |
---|
221 | ; for the triangulation |
---|
222 | ;---------------------------------------------------------- |
---|
223 | key_periodic = glamt[0] EQ ((glamt[jpi-1]+glamt[+1]-glamt[0]) MOD 360) |
---|
224 | if jpi gt 4 AND jpj GT 4 then begin |
---|
225 | triangles_list = triangule(shifted = glamt[0, 0] LT glamt[0, 1]) |
---|
226 | twin_corners_up=-1 |
---|
227 | twin_corners_dn=-1 |
---|
228 | ENDIF ELSE BEGIN |
---|
229 | triangles_list=-1 |
---|
230 | twin_corners_up=-1 |
---|
231 | twin_corners_dn=-1 |
---|
232 | ENDELSE |
---|
233 | ;------------------------------------------------------------ |
---|
234 | IF NOT keyword_set(key_forgetold) THEN BEGIN |
---|
235 | @updateold |
---|
236 | ENDIF |
---|
237 | ;------------------------------------------------------------ |
---|
238 | return |
---|
239 | end |
---|
240 | |
---|
241 | |
---|