1 | ;+ |
---|
2 | ; @file_comments |
---|
3 | ; |
---|
4 | ; |
---|
5 | ; @categories |
---|
6 | ; |
---|
7 | ; @param MASK |
---|
8 | ; |
---|
9 | ; @param XF |
---|
10 | ; |
---|
11 | ; @param YF |
---|
12 | ; |
---|
13 | ; @param NX |
---|
14 | ; |
---|
15 | ; @param NY |
---|
16 | ; |
---|
17 | ; @keyword COAST_COLOR {default=0} |
---|
18 | ; The color of the coastline. |
---|
19 | ; Default is black (0). |
---|
20 | ; |
---|
21 | ; @keyword COAST_THICK {default=1} |
---|
22 | ; The thick of the trait to trace continents |
---|
23 | ; |
---|
24 | ; @keyword XSEUIL {default=5} |
---|
25 | ; To eliminate segments of coasts which are to big (which link points which can |
---|
26 | ; be close on the sphere but distant on the drawing). We delete all segments |
---|
27 | ; whose the size surpass the size of the window following X/XSEUIL. |
---|
28 | ; But it can be to big if we do a big zoom or a little one for some |
---|
29 | ; projections... We specify it the keyword thanks to this keyword! |
---|
30 | ; |
---|
31 | ; @keyword YSEUIL |
---|
32 | ; See XSEUIL |
---|
33 | ; |
---|
34 | ; @keyword _EXTRA |
---|
35 | ; Used to pass keywords |
---|
36 | ; |
---|
37 | ; @returns |
---|
38 | ; |
---|
39 | ; @uses |
---|
40 | ; |
---|
41 | ; @restrictions |
---|
42 | ; |
---|
43 | ; @examples |
---|
44 | ; |
---|
45 | ; @history |
---|
46 | ; |
---|
47 | ; @version |
---|
48 | ; |
---|
49 | ; @todo |
---|
50 | ; Seb: remplir le header |
---|
51 | ; |
---|
52 | ;- |
---|
53 | ; |
---|
54 | PRO drawcoast_c, mask, xf, yf, nx, ny, COAST_COLOR = coast_color, COAST_THICK = coast_thick, YSEUIL = yseuil, XSEUIL = xseuil, _EXTRA = ex |
---|
55 | ; |
---|
56 | compile_opt idl2, strictarrsubs |
---|
57 | ; |
---|
58 | @cm_4mesh |
---|
59 | IF NOT keyword_set(key_forgetold) THEN BEGIN |
---|
60 | @updatenew |
---|
61 | @updatekwd |
---|
62 | ENDIF |
---|
63 | ;--------------------------------------------------------- |
---|
64 | tempsun = systime(1) ; For key_performance |
---|
65 | ;--------------------------------------------------------- |
---|
66 | ; |
---|
67 | ; We trace vertical segments: |
---|
68 | ; |
---|
69 | if NOT keyword_set(yseuil) then yseuil = 5. < (min([nx, ny])-2) |
---|
70 | distanceseuil = (!p.position[3]-!p.position[1])/yseuil |
---|
71 | ; list: list of points i for which we will trace a segment between the point i,j-1 and i,j |
---|
72 | tempdeux = systime(1) ; For key_performance =2 |
---|
73 | liste = where((mask+shift(mask, -1, 0)) EQ 1 $ |
---|
74 | AND ((xf-shift(xf, 0, 1))^2+(yf-shift(yf, 0, 1))^2) LE distanceseuil^2) |
---|
75 | IF liste[0] NE -1 THEN BEGIN |
---|
76 | ; We recuperate lx an dly which are indexes in a 2d array of points given by list |
---|
77 | ly = liste/nx & lx = temporary(liste)-nx*ly |
---|
78 | indice = where(ly NE 0) ; We do not take points concerning |
---|
79 | if indice[0] NE -1 then begin |
---|
80 | ; the first line because in this case, the point j-1 is undefined. |
---|
81 | lx = lx[indice] & ly = ly[temporary(indice)] |
---|
82 | ; Loop on concerned points and drawing of the segment. |
---|
83 | ; Comment: we use plots instead of plot because plots goes faster. |
---|
84 | IF testvar(var = key_performance) EQ 2 THEN $ |
---|
85 | print, 'temps tracecote: determiner liste des points concernes par un trait vertical', systime(1)-tempdeux |
---|
86 | tempdeux = systime(1) ; For key_performance =2 |
---|
87 | for pt = 0L, n_elements(lx)-1 do BEGIN |
---|
88 | i = lx[pt] & j = ly[pt] |
---|
89 | plots, [xf[i, j-1], xf[i, j]], [yf[i, j-1], yf[i, j]] $ |
---|
90 | , color = coast_color, thick = coast_thick, /normal, _extra = ex |
---|
91 | endfor |
---|
92 | IF testvar(var = key_performance) EQ 2 THEN $ |
---|
93 | print, 'temps tracecote: trace des traits verticaux', systime(1)-tempdeux |
---|
94 | endif |
---|
95 | ENDIF |
---|
96 | ; |
---|
97 | ; For the drawing of horizontal segments , it is the same thing but we have to be careful if it is periodic. |
---|
98 | ; |
---|
99 | ; If it is periodic, we duplicate the first column and we put it at the end. |
---|
100 | ; (This is made not for the shift which is periodic by default but for the plots) |
---|
101 | tempdeux = systime(1) ; For key_performance =2 |
---|
102 | if keyword_set(key_periodic) AND nx EQ jpi then begin |
---|
103 | mask = [mask, mask[0, *]] |
---|
104 | xf = [xf, xf[0, *]] |
---|
105 | yf = [yf, yf[0, *]] |
---|
106 | nx = nx+1 |
---|
107 | ENDIF |
---|
108 | if NOT keyword_set(xseuil) then xseuil = 5. < (min([nx, ny])-2) |
---|
109 | distanceseuil = (!p.position[2]-!p.position[0])/xseuil |
---|
110 | liste = where((mask+shift(mask, 0, -1)) EQ 1 $ |
---|
111 | AND ((xf-shift(xf, 1, 0))^2+(yf-shift(yf, 1, 0))^2) LE distanceseuil^2) |
---|
112 | IF liste[0] NE -1 THEN BEGIN |
---|
113 | ly = liste/nx & lx = temporary(liste)-nx*ly |
---|
114 | indice = where(ly NE ny-1 AND lx NE 0) |
---|
115 | if indice[0] NE -1 then begin |
---|
116 | ; We do not take points of the first column and of the last line (because we added artificially) |
---|
117 | lx = lx[indice] & ly = ly[temporary(indice)] |
---|
118 | IF testvar(var = key_performance) EQ 2 THEN $ |
---|
119 | print, 'temps tracecote: determiner liste des points concernes par un trait horizontal', systime(1)-tempdeux |
---|
120 | tempdeux = systime(1) ; For key_performance =2 |
---|
121 | for pt = 0L, n_elements(lx)-1 do BEGIN |
---|
122 | i = lx[pt] & j = ly[pt] |
---|
123 | plots, [xf[i-1, j], xf[i, j]], [yf[i-1, j], yf[i, j]] $ |
---|
124 | , color = coast_color, thick = coast_thick, /normal, _extra = ex |
---|
125 | endfor |
---|
126 | IF testvar(var = key_performance) EQ 2 THEN $ |
---|
127 | print, 'temps tracecote: trace des traits horizontaux', systime(1)-tempdeux |
---|
128 | endif |
---|
129 | endif |
---|
130 | ;--------------------------------------------------------- |
---|
131 | if keyword_set(key_performance) THEN print, 'temps drawcoast_c', systime(1)-tempsun |
---|
132 | return |
---|
133 | end |
---|