[299] | 1 | // ----------------------------------------------------------------------- |
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| 2 | // readRecon.cc: Read in an existing wavelet-reconstructed FITS file. |
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| 3 | // ----------------------------------------------------------------------- |
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| 4 | // Copyright (C) 2006, Matthew Whiting, ATNF |
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| 5 | // |
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| 6 | // This program is free software; you can redistribute it and/or modify it |
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| 7 | // under the terms of the GNU General Public License as published by the |
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| 8 | // Free Software Foundation; either version 2 of the License, or (at your |
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| 9 | // option) any later version. |
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| 10 | // |
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| 11 | // Duchamp is distributed in the hope that it will be useful, but WITHOUT |
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| 12 | // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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| 13 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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| 14 | // for more details. |
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| 15 | // |
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| 16 | // You should have received a copy of the GNU General Public License |
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| 17 | // along with Duchamp; if not, write to the Free Software Foundation, |
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| 18 | // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA |
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| 19 | // |
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| 20 | // Correspondence concerning Duchamp may be directed to: |
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| 21 | // Internet email: Matthew.Whiting [at] atnf.csiro.au |
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| 22 | // Postal address: Dr. Matthew Whiting |
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| 23 | // Australia Telescope National Facility, CSIRO |
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| 24 | // PO Box 76 |
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| 25 | // Epping NSW 1710 |
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| 26 | // AUSTRALIA |
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| 27 | // ----------------------------------------------------------------------- |
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[71] | 28 | #include <iostream> |
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| 29 | #include <sstream> |
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| 30 | #include <string> |
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[394] | 31 | #include <wcslib/wcs.h> |
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| 32 | #include <wcslib/wcshdr.h> |
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[179] | 33 | #define WCSLIB_GETWCSTAB // define this so that we don't try to redefine wtbarr |
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[103] | 34 | // (this is a problem when using gcc v.4+ |
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[71] | 35 | #include <fitsio.h> |
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[393] | 36 | #include <duchamp/duchamp.hh> |
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| 37 | #include <duchamp/Cubes/cubes.hh> |
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[71] | 38 | |
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[378] | 39 | namespace duchamp |
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[71] | 40 | { |
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| 41 | |
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[698] | 42 | OUTCOME Cube::readReconCube() |
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[378] | 43 | { |
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[528] | 44 | /// @details |
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| 45 | /// A way to read in a previously reconstructed array, corresponding |
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| 46 | /// to the requested parameters, or in the filename given by reconFile. |
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| 47 | /// Performs various tests to make sure there are no clashes between |
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| 48 | /// the requested parameters and those stored in the header of the |
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| 49 | /// FITS file. Also test to make sure that the size (and subsection, |
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| 50 | /// if applicable) of the array is the same. |
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[86] | 51 | |
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[378] | 52 | int status = 0; |
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[188] | 53 | |
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[378] | 54 | if(!this->par.getFlagReconExists()){ |
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| 55 | duchampWarning("readReconCube", |
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| 56 | "reconExists flag is not set. Not reading anything in!\n"); |
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| 57 | return FAILURE; |
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[188] | 58 | } |
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[378] | 59 | else if(!this->par.getFlagATrous()){ |
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| 60 | duchampWarning("readReconCube", |
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| 61 | "flagATrous is not set. Don't need to read in recon array!\n"); |
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| 62 | return FAILURE; |
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[188] | 63 | } |
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[378] | 64 | else { |
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[71] | 65 | |
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[378] | 66 | // Check to see whether the parameters reconFile and/or residFile are defined |
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| 67 | bool reconGood = false; |
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| 68 | int exists; |
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| 69 | std::stringstream errmsg; |
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| 70 | if(this->par.getReconFile() != ""){ |
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| 71 | reconGood = true; |
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| 72 | fits_file_exists(this->par.getReconFile().c_str(),&exists,&status); |
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| 73 | if(exists<=0){ |
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| 74 | fits_report_error(stderr, status); |
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| 75 | errmsg<< "Cannot find requested ReconFile. Trying with parameters.\n" |
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| 76 | << "Bad reconFile was: "<<this->par.getReconFile() << std::endl; |
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| 77 | duchampWarning("readReconCube", errmsg.str()); |
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| 78 | reconGood = false; |
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| 79 | } |
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[188] | 80 | } |
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[378] | 81 | else{ |
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| 82 | errmsg<< "ReconFile not specified. Working out name from parameters.\n"; |
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[188] | 83 | } |
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[378] | 84 | |
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| 85 | if(!reconGood){ // if bad, need to look at parameters |
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[188] | 86 | |
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[378] | 87 | std::string reconFile = this->par.outputReconFile(); |
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| 88 | errmsg << "Trying file " << reconFile << std::endl; |
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| 89 | duchampWarning("readReconCube", errmsg.str() ); |
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| 90 | reconGood = true; |
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| 91 | fits_file_exists(reconFile.c_str(),&exists,&status); |
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| 92 | if(exists<=0){ |
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| 93 | fits_report_error(stderr, status); |
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| 94 | // duchampWarning("readReconCube","ReconFile not present.\n"); |
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| 95 | reconGood = false; |
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| 96 | } |
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[188] | 97 | |
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[378] | 98 | if(reconGood){ |
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| 99 | // were able to open this new file -- use this, so reset the |
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| 100 | // relevant parameter |
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| 101 | this->par.setReconFile(reconFile); |
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| 102 | } |
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| 103 | else { // if STILL bad, give error message and exit. |
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| 104 | duchampError("readReconCube","Cannot find reconstructed file.\n"); |
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| 105 | return FAILURE; |
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| 106 | } |
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[188] | 107 | |
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[378] | 108 | } |
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[188] | 109 | |
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[378] | 110 | // if we get to here, reconGood is true (ie. file is open); |
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[71] | 111 | |
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[378] | 112 | status=0; |
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| 113 | fitsfile *fptr; |
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| 114 | fits_open_file(&fptr,this->par.getReconFile().c_str(),READONLY,&status); |
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| 115 | short int maxdim=3; |
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| 116 | long *fpixel = new long[maxdim]; |
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| 117 | for(int i=0;i<maxdim;i++) fpixel[i]=1; |
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| 118 | long *dimAxesNew = new long[maxdim]; |
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| 119 | for(int i=0;i<maxdim;i++) dimAxesNew[i]=1; |
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| 120 | int bitpix,numAxesNew,anynul; |
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[71] | 121 | |
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[378] | 122 | status = 0; |
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| 123 | fits_get_img_param(fptr, maxdim, &bitpix, &numAxesNew, dimAxesNew, &status); |
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| 124 | if(status){ |
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| 125 | fits_report_error(stderr, status); |
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| 126 | return FAILURE; |
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| 127 | } |
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| 128 | |
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| 129 | if(numAxesNew != this->numDim){ |
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[188] | 130 | std::stringstream errmsg; |
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[378] | 131 | errmsg << "Reconstructed cube has a different number of axes to original!" |
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| 132 | << " (" << numAxesNew << " cf. " << this->numDim << ")\n"; |
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[188] | 133 | duchampError("readReconCube", errmsg.str()); |
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| 134 | return FAILURE; |
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| 135 | } |
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[71] | 136 | |
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[378] | 137 | for(int i=0;i<numAxesNew;i++){ |
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| 138 | if(dimAxesNew[i]!=this->axisDim[i]){ |
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[188] | 139 | std::stringstream errmsg; |
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[378] | 140 | errmsg << "Reconstructed cube has different axis dimensions to original!" |
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| 141 | << "\nAxis #" << i+1 << " has size " << dimAxesNew[i] |
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| 142 | << " cf. " << this->axisDim[i] <<" in original.\n"; |
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[188] | 143 | duchampError("readReconCube", errmsg.str()); |
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| 144 | return FAILURE; |
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| 145 | } |
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| 146 | } |
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[71] | 147 | |
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[378] | 148 | char *comment = new char[80]; |
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| 149 | |
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| 150 | if(this->par.getFlagSubsection()){ |
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| 151 | char *subsection = new char[80]; |
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| 152 | status = 0; |
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| 153 | fits_read_key(fptr, TSTRING, (char *)keyword_subsection.c_str(), |
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| 154 | subsection, comment, &status); |
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| 155 | if(status){ |
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| 156 | duchampError("readReconCube", |
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| 157 | "subsection keyword not present in reconFile.\n"); |
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| 158 | return FAILURE; |
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| 159 | } |
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| 160 | else{ |
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| 161 | if(this->par.getSubsection() != subsection){ |
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| 162 | std::stringstream errmsg; |
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| 163 | errmsg << "subsection keyword in reconFile (" << subsection |
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| 164 | << ") does not match that requested (" |
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| 165 | << this->par.getSubsection() << ").\n"; |
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| 166 | duchampError("readReconCube", errmsg.str()); |
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| 167 | return FAILURE; |
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| 168 | } |
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| 169 | } |
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| 170 | delete subsection; |
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| 171 | } |
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| 172 | |
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| 173 | int scaleMin,filterCode,reconDim; |
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| 174 | float snrRecon; |
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| 175 | status = 0; |
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| 176 | fits_read_key(fptr, TINT, (char *)keyword_reconDim.c_str(), |
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| 177 | &reconDim, comment, &status); |
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| 178 | if(reconDim != this->par.getReconDim()){ |
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| 179 | std::stringstream errmsg; |
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| 180 | errmsg << "reconDim keyword in reconFile (" << reconDim |
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| 181 | << ") does not match that requested (" |
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| 182 | << this->par.getReconDim() << ").\n"; |
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| 183 | duchampError("readReconCube", errmsg.str()); |
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| 184 | return FAILURE; |
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| 185 | } |
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| 186 | status = 0; |
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| 187 | fits_read_key(fptr, TINT, (char *)keyword_filterCode.c_str(), |
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| 188 | &filterCode, comment, &status); |
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| 189 | if(filterCode != this->par.getFilterCode()){ |
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| 190 | std::stringstream errmsg; |
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| 191 | errmsg << "filterCode keyword in reconFile (" << filterCode |
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| 192 | << ") does not match that requested (" |
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| 193 | << this->par.getFilterCode() << ").\n"; |
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| 194 | duchampError("readReconCube", errmsg.str()); |
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| 195 | return FAILURE; |
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| 196 | } |
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| 197 | status = 0; |
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| 198 | fits_read_key(fptr, TFLOAT, (char *)keyword_snrRecon.c_str(), |
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| 199 | &snrRecon, comment, &status); |
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| 200 | if(snrRecon != this->par.getAtrousCut()){ |
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| 201 | std::stringstream errmsg; |
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| 202 | errmsg << "snrRecon keyword in reconFile (" << snrRecon |
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| 203 | << ") does not match that requested (" |
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| 204 | << this->par.getAtrousCut() << ").\n"; |
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| 205 | duchampError("readReconCube", errmsg.str()); |
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| 206 | return FAILURE; |
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| 207 | } |
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| 208 | status = 0; |
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| 209 | fits_read_key(fptr, TINT, (char *)keyword_scaleMin.c_str(), |
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| 210 | &scaleMin, comment, &status); |
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| 211 | if(scaleMin != this->par.getMinScale()){ |
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| 212 | std::stringstream errmsg; |
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| 213 | errmsg << "scaleMin keyword in reconFile (" << scaleMin |
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| 214 | << ") does not match that requested (" |
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| 215 | << this->par.getMinScale() << ").\n"; |
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| 216 | duchampError("readReconCube", errmsg.str()); |
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| 217 | return FAILURE; |
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| 218 | } |
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[104] | 219 | |
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[378] | 220 | // |
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| 221 | // If we get to here, the reconFile exists and matches the atrous |
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| 222 | // parameters the user has requested. |
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[104] | 223 | |
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[378] | 224 | status = 0; |
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| 225 | fits_read_pix(fptr, TFLOAT, fpixel, this->numPixels, NULL, |
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| 226 | this->recon, &anynul, &status); |
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[71] | 227 | |
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[378] | 228 | status = 0; |
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| 229 | fits_close_file(fptr, &status); |
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| 230 | if (status){ |
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| 231 | duchampWarning("readReconCube", "Error closing file: "); |
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| 232 | fits_report_error(stderr, status); |
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| 233 | } |
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[71] | 234 | |
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[378] | 235 | // We don't want to write out the recon or resid files at the end |
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| 236 | this->par.setFlagOutputRecon(false); |
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| 237 | this->par.setFlagOutputResid(false); |
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[71] | 238 | |
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[378] | 239 | // The reconstruction is done -- set the appropriate flag |
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| 240 | this->reconExists = true; |
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[71] | 241 | |
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[378] | 242 | return SUCCESS; |
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| 243 | } |
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[188] | 244 | } |
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[378] | 245 | |
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[71] | 246 | } |
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