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