forked from cuizilu/RNXQCE
-
Notifications
You must be signed in to change notification settings - Fork 1
/
Copy pathm_rnxqce_rinexread.f90
362 lines (352 loc) · 12.4 KB
/
m_rnxqce_rinexread.f90
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
module m_rnxqce_rinexread
use m_rnxqce_control
use coordinate
use timetrans
type obsys
character*1::systemname!系统名称
integer::systemsum!系统总数
integer::obstypenumber!观测值类型数目
character*3,allocatable::obstype(:)!观测值类型集合数组
endtype
type T_rnxohd
real*4::version!版本号
integer::navflag!是否有星历文件输入
character::systemtype*1
character::mark_name*60
character::receivernumber*20
character::receivertype*20
character::receiverversion*20
character::antennanumber*20
character::antennatype*20
type(cartesian)::approxpos
type(topocentric)::antennadelta
integer::obstypenumber!2版本观测值类型数
character*2,allocatable::obstype(:)!2版本观测值类型
integer,allocatable::obstypelack(:)
integer,allocatable::obstypesum(:)
type(obsys),allocatable::system(:)!系统集合数组
character(len=stringlength)::systemsumstring!系统总和制成的字符串
real*8::interval
type(gpsTime)::starttime
type(gpsTime)::endtime
integer::systemnumber=0
endtype
type sat_data
character*3::prn
real*8,allocatable::obs(:)
integer,allocatable::lli(:)
integer,allocatable::signalstrength(:)
endtype
type T_rnxodt
type(gpsTime)::epoch
type(calendarTime)::cal
integer::epochflag
integer::numsat
real*8::receiverclkbias
integer::startline
integer::endline
type(sat_data)::satobsdata(satsum)! 1-40--GPS 41-100--BDS 101-150--GAL
end type
contains
subroutine read_rinex_head(path,rnxohd)
integer::pathflag,ios,sysflag=0,flagcui1=0,jump,pp,obstype_lines=0,systemnumber=0,ii,flagcui=0
real::version,ww
type(calendarTime)::cal1,cal2
character(len=stringlength)::path,path2
character(len=tmplength)::tmp,tmp_obstype(20)
type(T_rnxohd)rnxohd
rnxohd%systemsumstring=""
open(123,file=path,blank="null",status='old',iostat=ios)
pathflag=1
do while(path(pathflag:pathflag)/=".")
pathflag=pathflag+1
enddo
path2=path(1:pathflag+2)//"s"
open(unit=321123,file=path2,form='formatted',status='replace')
if(ios>0)then
print*,"undifined file, please check your input"
else
do while(.true.)
read(123,'(a)',iostat=jump)tmp
if(jump/=0.or.tmp(61:80)=='END OF HEADER')then
exit
endif
if(tmp(61:73)=="RINEX VERSION")then
if(tmp(6:6)/='.'.and.tmp(7:7)/='.'.and.tmp(8:8)/='.'.and.tmp(9:9)/='.')then
flag=1
read(tmp(6:9),'(i4)')pp
else
flag=2
read(tmp(6:9),'(f4.2)')ww
endif
if(flag==1)then
rnxohd%version=pp
elseif(flag==2)then
rnxohd%version=ww
endif
rnxohd%systemtype=tmp(41:41)
rnxohd%interval=30
endif
if(tmp(61:71)=="MARKER NAME")then
read(tmp,'(a60)')rnxohd%mark_name
endif
if(tmp(61:65)=="REC #")then
read(tmp,'(3a20)')rnxohd%receivernumber,rnxohd%receivertype,rnxohd%receiverversion
endif
if(tmp(61:72)=="ANT # / TYPE")then
read(tmp,'(2a20)')rnxohd%antennanumber,rnxohd%antennatype
endif
if(tmp(61:79)=="APPROX POSITION XYZ")then
read(tmp,'(3f14.4)')rnxohd%approxpos%x,rnxohd%approxpos%y,rnxohd%approxpos%z
endif
if(tmp(61:80)=="ANTENNA: DELTA H/E/N")then
read(tmp,'(3f14.4)')rnxohd%antennadelta%u,rnxohd%antennadelta%e,rnxohd%antennadelta%n
endif
if(tmp(61:79)=="# / TYPES OF OBSERV")then
obstype_lines=obstype_lines+1
tmp_obstype(obstype_lines)=tmp
endif
if(tmp(61:79)=="SYS / # / OBS TYPES")then
obstype_lines=obstype_lines+1
tmp_obstype(obstype_lines)=tmp
endif
if(tmp(61:68)=="INTERVAL")then
read(tmp,'(f10.3)')rnxohd%interval
if(rnxohd%interval==0)then
rnxohd%interval=30
endif
endif
if(tmp(61:77)=="TIME OF FIRST OBS")then
read(tmp,'(5i6,f13.7)')cal1%year,cal1%month,cal1%day,cal1%hour,cal1%minute,cal1%second
call caltogps(cal1,rnxohd%starttime)
endif
if(tmp(61:76)=="TIME OF LAST OBS")then
read(tmp,'(5i6,f13.7)')cal2%year,cal2%month,cal2%day,cal2%hour,cal2%minute,cal2%second
call caltogps(cal2,rnxohd%endtime)
endif
enddo
if(rnxohd%version>3)then!read the line of obs types and the lines nearby
do i=1,obstype_lines
if(tmp_obstype(i)(61:79)=="SYS / # / OBS TYPES")then
if(tmp_obstype(i)(1:1)/=" ")then
systemnumber=systemnumber+1
endif
endif
enddo
rnxohd%systemnumber=systemnumber
allocate(rnxohd%system(systemnumber))
endif
if(rnxohd%version<3)then
read(tmp_obstype(1),'(i6)')rnxohd%obstypenumber
allocate(rnxohd%obstype(rnxohd%obstypenumber))
do i=1,rnxohd%obstypenumber
if(mod(i,9)==0)then
flagcui=9
else
flagcui=0
endif
read(tmp_obstype(1+(i-mod(i,9)-flagcui)/9)((flagcui+mod(i,9))*6+5:(flagcui+mod(i,9))*6+6),'(a2)')rnxohd%obstype(i)
enddo
else
do i=1,obstype_lines
if(flagcui>=1)then
flagcui=flagcui-1
cycle
endif
sysflag=sysflag+1
read(tmp_obstype(i),'(a1,3x,i2)')rnxohd%system(sysflag)%systemname,rnxohd%system(sysflag)%obstypenumber
rnxohd%systemsumstring=rnxohd%systemsumstring(1:sysflag-1)//rnxohd%system(sysflag)%systemname
allocate(rnxohd%system(sysflag)%obstype(rnxohd%system(sysflag)%obstypenumber))
if(rnxohd%system(sysflag)%obstypenumber>13.and.mod(rnxohd%system(sysflag)%obstypenumber,13)/=0)then
flagcui=int(rnxohd%system(sysflag)%obstypenumber/13)
elseif(rnxohd%system(sysflag)%obstypenumber>13.and.mod(rnxohd%system(sysflag)%obstypenumber,13)==0)then
flagcui=int(rnxohd%system(sysflag)%obstypenumber/13)-1
endif
do ii=1,rnxohd%system(sysflag)%obstypenumber
if(mod(ii,13)==0)then
flagcui1=13
else
flagcui1=0
endif
read(tmp_obstype(i+(ii-mod(ii,13)-flagcui1)/13)((flagcui1+mod(ii,13))*4+4:(flagcui1+mod(ii,13))*4+7),'(a3)')&
rnxohd%system(sysflag)%obstype(ii)
rnxohd%system(sysflag)%systemsum=sysflag
enddo
enddo
endif
endif
end subroutine
subroutine read_rinex_data(rnxohd,rnxodt,flag,epochsum)
implicit none
type(T_rnxohd)rnxohd
type(T_rnxodt),allocatable::rnxodt(:)
type(calendarTime)::cal
type(jd)::jd0,jd1
integer::i,ix,j,jump,obstypenumber(3),epochsum,epochflag,numsat,epoch,numsatflag,systemnum(3)
integer*4,allocatable :: flag(:,:)
integer::pos(satsum)
real::receiverclkbias
character(len=3)::prn
character(len=tmplength)::tmp,tmp_near(3)
epochsum=24*60*60/int(rnxohd%interval)
jd0%day=-1
allocate(rnxodt(epochsum))
allocate(flag(epochsum,satsum))
flag(:,:)=9
if(rnxohd%version>3)then
do i=1,rnxohd%systemnumber
if(rnxohd%system(i)%systemname=="G")then
obstypenumber(1)=rnxohd%system(i)%obstypenumber
systemnum(1)=i
elseif(rnxohd%system(i)%systemname=="C")then
obstypenumber(2)=rnxohd%system(i)%obstypenumber
systemnum(2)=i
elseif(rnxohd%system(i)%systemname=="E")then
obstypenumber(3)=rnxohd%system(i)%obstypenumber
systemnum(3)=i
endif
enddo
endif
do while(.true.)
read(123,'(a)',iostat=jump)tmp
if(jump/=0)then
exit
endif
if(rnxohd%version<3)then
if(tmp(30:30)==" ".and.tmp(28:28)==" ".and.tmp(29:29)/=" ")then
numsatflag=0
read(tmp,'(1x,i2.2,4(1x,i2),f11.7,2x,i1,i3)')cal%year,cal%month,cal%day,cal%hour,cal%minute,cal%second,epochflag,numsat!get the epoch head
if(epochflag==4)then
cycle
endif
if(cal%year<100)then
if(cal%year<30)then
cal%year=cal%year+2000
else
cal%year=cal%year+1900
endif
endif
call caltojd(cal,jd1)
if(jd0%day==-1)then
jd0=jd1
endif
epoch=1+anint(((jd1%day-jd0%day)*24*60*60+jd1%tod%sn+anint(jd1%tod%tos)-jd0%tod%sn-anint(jd0%tod%tos))/rnxohd%interval)
rnxodt(epoch)%cal=cal
call caltogps(cal,rnxodt(epoch)%epoch)
rnxodt(epoch)%epochflag=epochflag
rnxodt(epoch)%numsat=numsat
tmp_near(1)=tmp
do i=1,get_lines(numsat,12)-1
read(123,'(a)')tmp_near(i+1)
enddo
do i=1,numsat
read(tmp_near(get_lines(i,12))((i-(get_lines(i,12)-1)*12)*3+30:(i-(get_lines(i,12)-1)*12)*3+32),'(a3)')prn
if(index(rnxohd%systemsumstring(1:rnxohd%systemnumber),prn(1:1))==0)then
rnxohd%systemsumstring=rnxohd%systemsumstring(1:rnxohd%systemnumber)//prn(1:1)
rnxohd%systemnumber=rnxohd%systemnumber+1
endif
pos(i)=get_satpos(prn)
rnxodt(epoch)%satobsdata(pos(i))%prn=prn
if(pos(i)/=0)then
if(.not.allocated(rnxodt(epoch)%satobsdata(pos(i))%obs))then
allocate(rnxodt(epoch)%satobsdata(pos(i))%obs(rnxohd%obstypenumber))
endif
if(.not.allocated(rnxodt(epoch)%satobsdata(pos(i))%lli))then
allocate(rnxodt(epoch)%satobsdata(pos(i))%lli(rnxohd%obstypenumber))
endif
if(.not.allocated(rnxodt(epoch)%satobsdata(pos(i))%signalstrength))then
allocate(rnxodt(epoch)%satobsdata(pos(i))%signalstrength(rnxohd%obstypenumber))
endif
endif
enddo
else
if(epochflag==4)then
cycle
endif
numsatflag=numsatflag+1
tmp_near(1)=tmp
do i=1,get_lines(rnxohd%obstypenumber,5)-1
read(123,'(a)')tmp_near(i+1)
enddo
flag(epoch,pos(numsatflag))=0
do i=1,rnxohd%obstypenumber
if(pos(numsatflag)/=0)then
read(tmp_near(get_lines(i,5))((i-(get_lines(i,5)-1)*5)*16-15:(i-(get_lines(i,5)-1)*5)*16-2),'(f14.3)')&
rnxodt(epoch)%satobsdata(pos(numsatflag))%obs(i)
!if(rnxodt(epoch)%satobsdata(pos(numsatflag))%obs(i)==0)then
! flag(epoch,pos(numsatflag))=5
!endif
read(tmp_near(get_lines(i,5))((i-(get_lines(i,5)-1)*5)*16+15:(i-(get_lines(i,5)-1)*5)*16+15),'(i1)')&
rnxodt(epoch)%satobsdata(pos(numsatflag))%lli(i)
read(tmp_near(get_lines(i,5))((i-(get_lines(i,5)-1)*5)*16+16:(i-(get_lines(i,5)-1)*5)*16+16),'(i1)')&
rnxodt(epoch)%satobsdata(pos(numsatflag))%signalstrength(i)
endif
enddo
endif
else!if rinex > 3
if(tmp(1:1)==">")then
if(tmp(3:3)==" ")then
print*,"check your rinex, there may be some error after epoch",epoch
exit
endif
read(tmp,'(2x,i4,4(1x,i2.2),f11.7,2x,i1,i3,6x,f15.12)')cal%year,cal%month,cal%day,cal%hour,cal%minute,&
cal%second,epochflag,numsat,receiverclkbias
if(epochflag==4)then
cycle
endif
call caltojd(cal,jd1)
if(jd0%day==-1)then
jd0=jd1
endif
epoch=1+anint(((jd1%day-jd0%day)*24*60*60+jd1%tod%sn+anint(jd1%tod%tos)-jd0%tod%sn-anint(jd0%tod%tos))/rnxohd%interval)
rnxodt(epoch)%cal=cal
call caltogps(cal,rnxodt(epoch)%epoch)
rnxodt(epoch)%epochflag=epochflag
rnxodt(epoch)%numsat=numsat
rnxodt(epoch)%receiverclkbias=receiverclkbias
else
if(epochflag==4)then
cycle
endif
pos(1)=get_satpos(tmp(1:3))
if(pos(1)==0)then
cycle
endif
rnxodt(epoch)%satobsdata(pos(1))%prn=tmp(1:3)
ix=index('GCE',tmp(1:1))
if(pos(1)/=0)then
if(.not.allocated(rnxodt(epoch)%satobsdata(pos(1))%obs))then
allocate(rnxodt(epoch)%satobsdata(pos(1))%obs(obstypenumber(ix)))
endif
if(.not.allocated(rnxodt(epoch)%satobsdata(pos(1))%lli))then
allocate(rnxodt(epoch)%satobsdata(pos(1))%lli(obstypenumber(ix)))
endif
if(.not.allocated(rnxodt(epoch)%satobsdata(pos(1))%signalstrength))then
allocate(rnxodt(epoch)%satobsdata(pos(1))%signalstrength(obstypenumber(ix)))
endif
endif
if(ix/=0)then
flag(epoch,pos(1))=0
do i=1,obstypenumber(ix)
read(tmp(4+(i-1)*16:19+(i-1)*16),'(f14.3,i1,i1)')rnxodt(epoch)%satobsdata(pos(1))%obs(i),&
rnxodt(epoch)%satobsdata(pos(1))%lli(i),rnxodt(epoch)%satobsdata(pos(1))%signalstrength(i)
enddo
endif
endif
endif
enddo
close(123)
epochsum=epoch
if(rnxohd%version<3)then
allocate(rnxohd%system(rnxohd%systemnumber))
do i=1,rnxohd%systemnumber
rnxohd%system(i)%systemname=rnxohd%systemsumstring(i:i)
rnxohd%system(i)%obstypenumber=rnxohd%obstypenumber
allocate(rnxohd%system(i)%obstype(rnxohd%system(i)%obstypenumber))
do j=1,rnxohd%system(i)%obstypenumber
rnxohd%system(i)%obstype(j)=rnxohd%obstype(j)
enddo
enddo
endif
end subroutine
end module