1
C @(#)necavmed.for 19.1 (ES0-DMD) 02/25/03 14:20:21
2
C===========================================================================
3
C Copyright (C) 1995 European Southern Observatory (ESO)
5
C This program is free software; you can redistribute it and/or
6
C modify it under the terms of the GNU General Public License as
7
C published by the Free Software Foundation; either version 2 of
8
C the License, or (at your option) any later version.
10
C This program is distributed in the hope that it will be useful,
11
C but WITHOUT ANY WARRANTY; without even the implied warranty of
12
C MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
C GNU General Public License for more details.
15
C You should have received a copy of the GNU General Public
16
C License along with this program; if not, write to the Free
17
C Software Foundation, Inc., 675 Massachusetss Ave, Cambridge,
20
C Corresponding concerning ESO-MIDAS should be addressed as follows:
21
C Internet e-mail: midas@eso.org
22
C Postal address: European Southern Observatory
23
C Data Management Division
24
C Karl-Schwarzschild-Strasse 2
25
C D 85748 Garching bei Muenchen
27
C===========================================================================
29
C @(#)necavmed.for 19.1 (ESO) 02/25/03 14:20:21
32
C.COPYRIGHT: Copyright (c) 1991 European Southern Observatory,
35
C.VERSION: 1.0 23-JULY-1991
37
C.LANGUAGE: F77+ESOext
45
C ECHELLE, CASPEC, BLAZE FUNCTION
49
C COMPARE SUCCESSIVE ORDERS TO GET THE MEDIAN AND AVERAGE BLAZE FUNCTION
62
INTEGER NAXISA,NPIXA(2),IAV,STAT,ACTVAL,MAXORD
65
INTEGER KNULL,KUNIT(1)
68
PARAMETER (MAXORD=500)
70
CHARACTER FRAMEA*60,FRAMEB*60
71
CHARACTER CUNIT*64,IDENTA*72
73
INTEGER ORDSTA(MAXORD),ORDEND(MAXORD),DELTAY
75
DOUBLE PRECISION STEPA(2),STARTA(2)
77
INCLUDE 'MID_INCLUDE:st_def.inc'
81
INCLUDE 'MID_INCLUDE:st_dat.inc'
86
CALL STKRDC('IN_A',1,1,60,IAV,FRAMEA,KUNIT,KNULL,STAT)
88
CALL STIGET(FRAMEA,D_R4_FORMAT,F_I_MODE,F_IMA_TYPE,
89
+ 2,NAXISA,NPIXA,STARTA,STEPA,IDENTA,CUNIT,
92
IF (NPIXA(2).LT.MAXORD) THEN
94
CALL STDRDI(IMNOA,'ORDSTA',1,NPIXA(2),ACTVAL,ORDSTA,
96
CALL STDRDI(IMNOA,'ORDEND',1,NPIXA(2),ACTVAL,ORDEND,
101
CALL STETER(10,'Buffer overflow in AVEMED.')
105
CALL STKRDC('OUT_A',1,1,60,IAV,FRAMEB,KUNIT,KNULL,STAT)
107
CALL STIPUT(FRAMEB,D_R4_FORMAT,F_IO_MODE,F_IMA_TYPE,
108
+ NAXISA,NPIXA,STARTA,STEPA,IDENTA,CUNIT,
111
CALL STKRDI('INPUTI',1,1,IAV,DELTAY,KUNIT,KNULL,STAT)
114
IF (DELTAY.GT.0) THEN
116
CALL STKRDR('INPUTR',1,1,IAV,THRES,KUNIT,KNULL,STAT)
118
CALL MEDIAN(MADRID(PNTRA),NPIXA(1),NPIXA(2),MADRID(PNTRB),
119
+ ORDSTA,ORDEND,DELTAY,THRES)
123
CALL AVERAGE(MADRID(PNTRA),NPIXA(1),NPIXA(2),MADRID(PNTRB),
132
C ======================Median Filtering====================
134
SUBROUTINE MEDIAN(INPFRAM,NX,NY,OUTFRAM,ORDSTA,ORDEND,
139
INTEGER NX,NY,DELY,ROW,COL
140
INTEGER ORDSTA(NY),ORDEND(NY)
142
REAL INPFRAM(NX,NY),OUTFRAM(NX,NY),THRES,RATIO
144
INTEGER STAMIN,STAMAX,ENDMIN,ENDMAX
145
INTEGER ROWINF,ROWSUP,FLAG,ROWCUR,Y
146
REAL TRANS,BUFFER(-50:50)
150
CALL STETER(9,'Width too big in AVEMED. Limited to 50.')
154
C --- Initialisations
165
IF (ORDSTA(ROW).LT.STAMIN) STAMIN = ORDSTA(ROW)
166
IF (ORDSTA(ROW).GT.STAMAX) STAMAX = ORDSTA(ROW)
167
IF (ORDEND(ROW).LT.ENDMIN) ENDMIN = ORDEND(ROW)
168
IF (ORDEND(ROW).GT.ENDMAX) ENDMAX = ORDEND(ROW)
174
C --- Find out what is ROWINF and ROWSUP for column COL
175
C --- This part is easier to program with a DO WHILE. Consider C language.
177
IF (COL.GE.STAMAX.AND.COL.LE.ENDMIN) THEN
182
ELSE IF (COL.LT.STAMAX) THEN
187
IF (ORDSTA(ROW).LT.COL.AND.ROWINF.EQ.0) ROWINF = ROW
190
IF (ORDSTA(ROW).LT.COL.AND.ROWSUP.EQ.0) ROWSUP = ROW
193
ELSE IF (COL.GT.ENDMIN) THEN
198
IF (ORDEND(ROW).GT.COL.AND.ROWINF.EQ.0) ROWINF = ROW
201
IF (ORDEND(ROW).GT.COL.AND.ROWSUP.EQ.0) ROWSUP = ROW
206
C --- Fill in the buffer with defined values, prolonging the frame by a
209
DO 40 ROW = ROWINF,ROWSUP
211
DO 50 Y = (-1)*DELY , DELY
215
IF (ROWCUR.LT.ROWINF)
216
+ BUFFER(Y) = INPFRAM(COL,2*ROWINF-ROWCUR)
218
IF (ROWCUR.GT.ROWSUP)
219
+ BUFFER(Y) = INPFRAM(COL,2*ROWSUP-ROWCUR)
221
IF (ROWCUR.GE.ROWINF.AND.ROWCUR.LE.ROWSUP)
222
+ BUFFER(Y) = INPFRAM(COL,ROWCUR)
226
C --- Sort the buffer values and get the median value.
227
C --- Consider using HeapSort algorithm (Numerical Recipes)
233
DO 70 Y = (-1)*DELY , DELY-1
235
IF (BUFFER(Y).GT.BUFFER(Y+1)) THEN
237
BUFFER(Y) = BUFFER(Y+1)
244
IF (FLAG.NE.0) GOTO 60
246
RATIO = (INPFRAM(COL,ROW)-BUFFER(0))/(INPFRAM(COL,ROW)
249
IF (ABS(RATIO).GT.THRES) THEN
250
OUTFRAM(COL,ROW) = BUFFER(0)
252
OUTFRAM(COL,ROW) = INPFRAM(COL,ROW)
261
C ====================== Average ====================
263
SUBROUTINE AVERAGE(INPFRAM,NX,NY,OUTFRAM,ORDSTA,ORDEND)
267
INTEGER NX,NY,ROW,COL
268
INTEGER ORDSTA(NY),ORDEND(NY)
270
REAL INPFRAM(NX,NY),OUTFRAM(NX,NY)
272
INTEGER STAMIN,STAMAX,ENDMIN,ENDMAX
273
INTEGER ROWINF,ROWSUP,CNT
278
IF (ORDSTA(ROW).LT.STAMIN) STAMIN = ORDSTA(ROW)
279
IF (ORDSTA(ROW).GT.STAMAX) STAMAX = ORDSTA(ROW)
280
IF (ORDEND(ROW).LT.ENDMIN) ENDMIN = ORDEND(ROW)
281
IF (ORDEND(ROW).GT.ENDMAX) ENDMAX = ORDEND(ROW)
287
C --- Find out what is ROWINF and ROWSUP for column COL
288
C --- This part is easier to program with a DO WHILE. Consider C language.
290
IF (COL.GE.STAMAX.AND.COL.LE.ENDMIN) THEN
295
ELSE IF (COL.LT.STAMAX) THEN
300
IF (ORDSTA(ROW).LT.COL.AND.ROWINF.EQ.0) ROWINF = ROW
303
IF (ORDSTA(ROW).LT.COL.AND.ROWSUP.EQ.0) ROWSUP = ROW
306
ELSE IF (COL.GT.ENDMIN) THEN
311
IF (ORDEND(ROW).GT.COL.AND.ROWINF.EQ.0) ROWINF = ROW
314
IF (ORDEND(ROW).GT.COL.AND.ROWSUP.EQ.0) ROWSUP = ROW
319
C --- Fill in the buffer with defined values, prolonging the frame by a
323
DO 40 ROW = ROWINF,ROWSUP
325
SUM = SUM + INPFRAM(COL,ROW)
329
CNT = ROWSUP - ROWINF + 1
334
OUTFRAM(COL,ROW) = SUM