1 /*
2   Teem: Tools to process and visualize scientific data and images             .
3   Copyright (C) 2012, 2011, 2010, 2009  University of Chicago
4   Copyright (C) 2008, 2007, 2006, 2005  Gordon Kindlmann
5   Copyright (C) 2004, 2003, 2002, 2001, 2000, 1999, 1998  University of Utah
6 
7   This library is free software; you can redistribute it and/or
8   modify it under the terms of the GNU Lesser General Public License
9   (LGPL) as published by the Free Software Foundation; either
10   version 2.1 of the License, or (at your option) any later version.
11   The terms of redistributing and/or modifying this software also
12   include exceptions to the LGPL that facilitate static linking.
13 
14   This library is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
17   Lesser General Public License for more details.
18 
19   You should have received a copy of the GNU Lesser General Public License
20   along with this library; if not, write to Free Software Foundation, Inc.,
21   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
22 */
23 
24 #include "unrrdu.h"
25 #include "privateUnrrdu.h"
26 
27 #define INFO "Affine (lerp) mapping on 5 nrrds or constants"
28 static const char *_unrrdu_affineInfoL =
29 (INFO
30  ". All the 5 arguments can be either nrrds or single "
31  "floating-point values.  When all args are single values, this "
32  "is subsuming the functionality of the previous stand-alone "
33  "\"affine\" program. "
34  "Use \"-\" for an operand to signify "
35  "a nrrd to be read from stdin (a pipe).  Note, however, "
36  "that \"-\" can probably only be used once (reliably).\n "
37  "* Uses nrrdArithAffine or nrrdArithIterAffine");
38 
39 int
unrrdu_affineMain(int argc,const char ** argv,const char * me,hestParm * hparm)40 unrrdu_affineMain(int argc, const char **argv, const char *me,
41                   hestParm *hparm) {
42   hestOpt *opt = NULL;
43   char *out, *err;
44   NrrdIter *minIn, *in, *maxIn, *minOut, *maxOut, *args[5];
45   Nrrd *nout, *ntmp=NULL;
46   int type, E, pret, clamp;
47   airArray *mop;
48   unsigned int ai, nn;
49 
50   hestOptAdd(&opt, NULL, "minIn", airTypeOther, 1, 1, &minIn, NULL,
51              "Lower end of input value range.",
52              NULL, NULL, nrrdHestIter);
53   hestOptAdd(&opt, NULL, "in", airTypeOther, 1, 1, &in, NULL,
54              "Input value.",
55              NULL, NULL, nrrdHestIter);
56   hestOptAdd(&opt, NULL, "maxIn", airTypeOther, 1, 1, &maxIn, NULL,
57              "Upper end of input value range.",
58              NULL, NULL, nrrdHestIter);
59   hestOptAdd(&opt, NULL, "minOut", airTypeOther, 1, 1, &minOut, NULL,
60              "Lower end of output value range.",
61              NULL, NULL, nrrdHestIter);
62   hestOptAdd(&opt, NULL, "maxOut", airTypeOther, 1, 1, &maxOut, NULL,
63              "Upper end of output value range.",
64              NULL, NULL, nrrdHestIter);
65   hestOptAdd(&opt, "t,type", "type", airTypeOther, 1, 1, &type, "default",
66              "type to convert all nrrd inputs to, prior to "
67              "doing operation.  This also determines output type. "
68              "By default (not using this option), the types of the input "
69              "nrrds are left unchanged.",
70              NULL, NULL, &unrrduHestMaybeTypeCB);
71   hestOptAdd(&opt, "clamp", "bool", airTypeBool, 1, 1, &clamp, "false",
72              "clamp output values to specified output range");
73   OPT_ADD_NOUT(out, "output nrrd");
74 
75   mop = airMopNew();
76   airMopAdd(mop, opt, (airMopper)hestOptFree, airMopAlways);
77 
78   USAGE(_unrrdu_affineInfoL);
79   PARSE();
80   airMopAdd(mop, opt, (airMopper)hestParseFree, airMopAlways);
81 
82   nout = nrrdNew();
83   airMopAdd(mop, nout, (airMopper)nrrdNuke, airMopAlways);
84 
85   args[0] = minIn;
86   args[1] = in;
87   args[2] = maxIn;
88   args[3] = minOut;
89   args[4] = maxOut;
90   nn = 0;
91   for (ai=0; ai<5; ai++) {
92     nn += !!args[ai]->ownNrrd;
93   }
94   if (nrrdTypeDefault != type) {
95     /* they wanted to convert nrrds to some other type first */
96     E = 0;
97     for (ai=0; ai<5; ai++) {
98       if (args[ai]->ownNrrd) {
99         if (!E) E |= nrrdConvert(ntmp=nrrdNew(), args[ai]->ownNrrd, type);
100         if (!E) nrrdIterSetOwnNrrd(args[ai], ntmp);
101       }
102     }
103     if (E) {
104       airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
105       fprintf(stderr, "%s: error converting input nrrd(s):\n%s", me, err);
106       airMopError(mop);
107       return 1;
108     }
109   }
110 
111   if (0 == nn) {
112     /* actually, there are no nrrds; we represent the functionality
113        of the previous stand-alone binary "affine" */
114     double valOut;
115     valOut = AIR_AFFINE(minIn->val, in->val, maxIn->val,
116                         minOut->val, maxOut->val);
117     if (clamp) {
118       valOut = AIR_CLAMP(minOut->val, valOut, maxOut->val);
119     }
120     printf("%g\n", valOut);
121   } else {
122     /* we have a nrrd output */
123     if (1 == nn && in->ownNrrd) {
124       E = nrrdArithAffine(nout, minIn->val, in->ownNrrd, maxIn->val,
125                           minOut->val, maxOut->val, clamp);
126     } else {
127       E = nrrdArithIterAffine(nout, minIn, in, maxIn, minOut, maxOut, clamp);
128     }
129     if (E) {
130       airMopAdd(mop, err = biffGetDone(NRRD), airFree, airMopAlways);
131       fprintf(stderr, "%s: error doing ternary operation:\n%s", me, err);
132       airMopError(mop);
133       return 1;
134     }
135     SAVE(out, nout, NULL);
136   }
137 
138   airMopOkay(mop);
139   return 0;
140 }
141 
142 UNRRDU_CMD(affine, INFO);
143 
144