source: trunk/UTIL/PYTHON/mcd/proto/cgi-bin/mcdcgi.py @ 944

Last change on this file since 944 was 937, checked in by aslmd, 12 years ago

UTIL PYTHON MCDonline. small bug fixes and mcd5

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1#!/usr/bin/python
2###!/usr/bin/env python
3###!/home/aymeric/Software/epd-7.0-2-rh5-x86/bin/python
4####!/home/marshttp/EPD/epd-7.0-2-rh5-x86_64/bin/python
5### here the version used to f2py the MCD Fortran routines
6
7##################################################
8### A Python CGI for the Mars Climate Database ###
9### ------------------------------------------ ###
10### Aymeric SPIGA 18-19/04/2012 ~ 11/08/2012   ###
11### ------------------------------------------ ###
12### (see mcdtest.py for examples of use)       ###
13##################################################
14### ajouts et corrections par Franck Guyon 09/2012
15### ajouts suite a brainstorm equipe AS 10/2012
16
17import cgi, cgitb 
18import numpy as np
19from modules import *
20from modules import mcd
21
22import cStringIO
23import os as daos
24import matplotlib.pyplot as mpl
25
26### a function to read HTML arguments for coordinates
27def gethtmlcoord(userinput,defmin,defmax):
28   import string
29   # accepted separators. the symbol - should always be last.
30   separators = [":",";",",","/","_"] 
31   # initial values
32   val = -9999. ; vals = None ; vale = None ; foundinterv = False
33   if userinput == None:   userinput = "1"
34   # the main work. either all, or an interval, or a single value.
35   # ... all
36   if userinput == "all":  isfree = 1 ; vals = defmin ; vale = defmax ; foundinterv = True
37   # ... an interval
38   else:
39       for sep in separators:
40         if not foundinterv:
41           isfree = 1 ; ind = userinput.find(sep)
42           if ind != -1: vals = float(userinput[:ind]) ; vale = float(userinput[ind+1:]) ; foundinterv = True
43   # ... a single value (or an error)
44   if not foundinterv: 
45       # treat the difficult case of possible - separator
46       test = userinput[1:].find("-") # at this stage:
47                                      # * if - is found in the first position, it could not be a separator
48                                      # * if - found at positions > 0, it must be considered as a separator
49       if test != -1: 
50         isfree = 1 ; ind=test+1 
51         vals = float(userinput[:ind]) ; vale = float(userinput[ind+1:]) ; foundinterv = True
52       else:
53         # check if input is valid (each character is numeric or -)
54         for char in userinput: 
55            if char not in string.digits: 
56               if char not in ["-","."]: userinput="yorgl"
57         # either we are OK. if we are not we set isfree to -1.
58         if userinput != "yorgl":  isfree = 0 ; val = float(userinput)
59         else:                     isfree = -1
60   # return values
61   return isfree, val, vals, vale
62
63# set an errormess variable which must stay to None for interface to proceed
64errormess = ""
65
66# for debugging in web browser
67cgitb.enable()
68
69# Create instance of FieldStorage
70form = cgi.FieldStorage() 
71
72# create a MCD object
73query=mcd.mcd() 
74
75# set MCD version changes if needed
76try:     betatest = form.getvalue("betatest")
77except:  betatest = "off"
78if betatest == "on": query.toversion5()
79
80# Get the kind of vertical coordinates and choose default behavior for "all"
81try: query.zkey = int(form.getvalue("zkey"))
82except: query.zkey = int(3)
83if query.zkey == 2:    minxz = -5000.   ; maxxz = 150000.
84elif query.zkey == 3:  minxz = 0.       ; maxxz = 250000.
85elif query.zkey == 5:  minxz = -5000.   ; maxxz = 150000.
86elif query.zkey == 4:  minxz = 1.e3     ; maxxz = 1.e-6
87elif query.zkey == 1:  minxz = 3396000. ; maxxz = 3596000.
88
89# Get data from user-defined fields and define free dimensions
90islatfree,  query.lat,  query.lats,  query.late  = gethtmlcoord( form.getvalue("latitude"),   -90.,  90. )
91islonfree,  query.lon,  query.lons,  query.lone  = gethtmlcoord( form.getvalue("longitude"), -180., 180. )
92isloctfree, query.loct, query.locts, query.locte = gethtmlcoord( form.getvalue("localtime"),    0.,  24. )
93isaltfree,  query.xz,   query.xzs,   query.xze   = gethtmlcoord( form.getvalue("altitude"),  minxz, maxxz)
94
95try: query.datekey = int(form.getvalue("datekeyhtml"))
96except: query.datekey = float(1)
97badlschar = False
98if query.datekey == 1:
99    try: query.xdate = float(form.getvalue("ls"))
100    except: query.xdate = float(1) ; badlschar = True # comment the second part if in debug command line mode
101else:
102    try: query.xdate = float(form.getvalue("julian"))
103    except: query.xdate = float(1)
104    query.loct = 0.
105
106# Prevent the user from doing bad
107badinterv = (islatfree == -1) or (islonfree == -1) or (isloctfree == -1) or (isaltfree == -1)
108if badinterv: 
109    errormess = errormess+"<li>Bad syntax. Write a value (or) a range val1;val2 (or) 'all'. Separator shall be either ; : , / _ "
110badls = (query.datekey == 1 and (query.xdate < 0. or query.xdate > 360.))
111if badls: 
112    errormess = errormess+"<li>Solar longitude must be between 0 and 360."
113if badlschar:
114    errormess = errormess+"<li>Solar longitude is in the wrong format. It should be a positive number between 0 and 360. Intervals of solar longitude are not allowed."
115badloct = (isloctfree == 0 and query.loct > 24.) \
116       or (isloctfree == 1 and (query.locts > 24. or query.locte > 24.)) \
117       or (isloctfree == 0 and query.loct < 0.) \
118       or (isloctfree == 1 and (query.locts < 0. or query.locte < 0.))
119if badloct: 
120    errormess = errormess+"<li>Local time must be less than 24 martian hours (and not a negative number)."
121badlat = (islatfree == 0 and abs(query.lat) > 90.) \
122      or (islatfree == 1 and (abs(query.lats) > 90. or abs(query.late) > 90.))
123if badlat: 
124    errormess = errormess+"<li>Latitude coordinates must be between -90 and 90."
125badlon = (islonfree == 0 and abs(query.lon) > 360.) \
126      or (islonfree == 1 and (abs(query.lons) > 360. or abs(query.lone) > 360.))
127if badlon: 
128    errormess = errormess+"<li>Longitude coordinates must be between -360 and 360."
129badalt = (isaltfree == 0 and (query.zkey in [3]) and query.xz < 0.) \
130      or (isaltfree == 1 and (query.zkey in [3]) and (query.xzs < 0. or query.xze < 0.))
131if badalt: 
132    errormess = errormess+"<li>Vertical coordinates must be positive when requesting altitude above surface."
133badalt2 = (isaltfree == 0 and (query.zkey in [1,4]) and query.xz <= 0.) \
134      or (isaltfree == 1 and (query.zkey in [1,4]) and (query.xzs <= 0. or query.xze <= 0.))
135if badalt2: 
136    errormess = errormess+"<li>Vertical coordinates must be <b>strictly</b> positive when requesting pressure levels or altitude above Mars center."
137badalt3 = (isaltfree == 0 and query.zkey == 4 and query.xz > 1500.) \
138       or (isaltfree == 1 and query.zkey == 4 and min(query.xzs,query.xze) > 1500.)
139if badalt3: 
140    errormess = errormess+"<li>Pressure values larger than 1500 Pa are unlikely to be encountered in the Martian atmosphere."
141badrange = (isloctfree == 1 and query.locts == query.locte) \
142        or (islatfree == 1 and query.lats == query.late) \
143        or (islonfree == 1 and query.lons == query.lone) \
144        or (isaltfree == 1 and query.xzs == query.xze)
145if badrange: 
146    errormess = errormess+"<li>One or several coordinate intervals are not... intervals. Set either a real range or an unique value."
147
148# Get how many free dimensions we have
149sumfree = islatfree + islonfree + isloctfree + isaltfree
150if sumfree >= 3: errormess = errormess + "<li>3 or more free dimensions are set... but only 1D and 2D plots are supported!"
151
152# Get additional parameters
153try: query.hrkey = int(form.getvalue("hrkey"))
154except: query.hrkey = int(1)
155try: query.dust = int(form.getvalue("dust"))
156except: query.dust  = int(1)
157#        self.perturkey = 0  #integer perturkey ! perturbation type (0: none)
158#        self.seedin    = 1  #random number generator seed (unused if perturkey=0)
159#        self.gwlength  = 0. #gravity Wave wavelength (unused if perturkey=0)
160try: query.colorm = form.getvalue("colorm")
161except: query.colorm = "jet"
162
163try: query.min2d = float(form.getvalue("minval"))
164except: query.min2d = None
165try: query.max2d = float(form.getvalue("maxval"))
166except: query.max2d = None
167
168try: query.dpi = form.getvalue("dpi")
169except: query.dpi = 80.
170if query.dpi == "eps":  yeaheps = True  ; query.dpi = 300.
171else:                   yeaheps = False ; query.dpi = float(query.dpi)
172
173# Get variables to plot
174var1 = form.getvalue("var1")
175var2 = form.getvalue("var2")
176var3 = form.getvalue("var3")
177var4 = form.getvalue("var4")
178
179# fg: init var as with form values
180if var1 == None: var1="t"
181
182vartoplot = []
183if var1 != "none": vartoplot = np.append(vartoplot,var1)
184if var2 != "none" and var2 != None: vartoplot = np.append(vartoplot,var2)
185if var3 != "none" and var3 != None: vartoplot = np.append(vartoplot,var3)
186if var4 != "none" and var4 != None: vartoplot = np.append(vartoplot,var4)
187
188iswind = form.getvalue("iswind")
189if iswind == "on": iswindlog = True
190else:              iswindlog = False
191isfixedlt = form.getvalue("isfixedlt")
192if isfixedlt == "on": query.fixedlt=True
193else:                 query.fixedlt=False 
194iszonmean = form.getvalue("zonmean")
195if iszonmean  == "on": query.zonmean=True
196else:                  query.zonmean=False
197
198### now, proceed...
199if errormess == "":
200
201 # reference name (to test which figures are already in the database)
202 try: reference = query.getnameset()+str(var1)+str(var2)+str(var3)+str(var4)+str(iswind)+str(isfixedlt)+str(iszonmean)+query.colorm+str(query.min2d)+str(query.max2d)+str(query.dpi)
203 except: reference = "test"
204 if yeaheps:  figname = '../img/'+reference+'.eps'
205 else:        figname = '../img/'+reference+'.png'
206 txtname = '../txt/'+reference+'.txt'
207 testexist = daos.path.isfile(figname)
208
209 # extract data from MCD if needed
210 if not testexist:
211
212  ### 1D plots
213  if sumfree == 1:
214
215    ### getting data
216    if isloctfree == 1:         query.diurnal(nd=25) 
217    elif islonfree == 1:        query.zonal(nd=64)
218    elif islatfree == 1:        query.meridional(nd=48)
219    elif isaltfree == 1:        query.profile(nd=35)   
220    else:                       exit() 
221
222    ### generic building of figure
223    query.getascii(vartoplot,filename=txtname)
224    query.htmlplot1d(vartoplot,figname=figname)
225
226  ### 2D plots
227  elif sumfree == 2:
228
229    ### getting data
230    if islatfree == 1 and islonfree == 1:     query.htmlmap2d(vartoplot,incwind=iswindlog,figname=figname) 
231    else:                                     query.htmlplot2d(vartoplot,figname=figname)
232
233#### NOW WRITE THE HTML PAGE TO USER
234
235## This is quite common
236print "Content-type:text/html\n"
237print "  "  #Apache needs a space after content-type
238
239#entete="""<?xml version="1.0" encoding="UTF-8"?>
240#<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0//EN" "http://www.w3.org/Math/DTD/mathml2/xhtml-math11-f.dtd">
241#<html xmlns="http://www.w3.org/1999/xhtml"> """
242
243header="""<html><head><title>Mars Climate Database: The Web Interface</title></head><body>"""
244if betatest == "on": 
245    print "<b>!!! THIS IS A BETA VERSION. RESULTS ARE NOT VALIDATED !!!</b>"
246    if sumfree == 2:     print "<br>"
247
248print header
249#print query.printset()
250#print "<br />"
251
252## Now the part which differs
253if errormess != "":
254                       print "<h1>Ooops!</h1>"
255                       print "Please correct the following problems before submitting again."
256                       print "<ul>"
257                       print errormess
258                       print "</ul>"
259else:
260  if sumfree == 0:      query.update() ; query.htmlprinttabextvar(vartoplot)
261  elif sumfree == 2:   
262                        if yeaheps:  print "<hr><a href='"+figname+"'>!!!! Click here to download the EPS figure file !!!!</a><br /><hr>"
263                        else:        print "<img src='"+figname+"'><br />"
264  elif sumfree == 1:     
265                        print "<a href='"+txtname+"'>Click here to download an ASCII file containing data</a><br />"
266                        print "<hr>"
267                        if yeaheps:  print "<hr><a href='"+figname+"'>!!!! Click here to download the EPS figure file !!!!</a><br /><hr>"
268                        else:        print "<img src='"+figname+"'><br />"
269
270## This is quite common
271bottom = "</body></html>"
272print bottom
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