[71] | 1 | #include <iostream> |
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| 2 | #include <sstream> |
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| 3 | #include <string> |
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| 4 | #include <wcs.h> |
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| 5 | #include <wcshdr.h> |
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[179] | 6 | #define WCSLIB_GETWCSTAB // define this so that we don't try to redefine wtbarr |
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[103] | 7 | // (this is a problem when using gcc v.4+ |
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[71] | 8 | #include <fitsio.h> |
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| 9 | #include <duchamp.hh> |
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| 10 | #include <Cubes/cubes.hh> |
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| 11 | |
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| 12 | int Cube::readReconCube() |
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| 13 | { |
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[86] | 14 | /** |
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[220] | 15 | * A way to read in a previously reconstructed array, corresponding |
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[139] | 16 | * to the requested parameters, or in the filename given by reconFile. |
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| 17 | * Performs various tests to make sure there are no clashes between |
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| 18 | * the requested parameters and those stored in the header of the |
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| 19 | * FITS file. Also test to make sure that the size (and subsection, |
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| 20 | * if applicable) of the array is the same. |
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[86] | 21 | */ |
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[71] | 22 | |
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[86] | 23 | |
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[71] | 24 | int status = 0; |
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| 25 | |
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[188] | 26 | if(!this->par.getFlagReconExists()){ |
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| 27 | duchampWarning("readReconCube", |
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| 28 | "reconExists flag is not set. Not reading anything in!\n"); |
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| 29 | return FAILURE; |
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[71] | 30 | } |
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[188] | 31 | else if(!this->par.getFlagATrous()){ |
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| 32 | duchampWarning("readReconCube", |
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| 33 | "flagATrous is not set. Don't need to read in recon array!\n"); |
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| 34 | return FAILURE; |
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[71] | 35 | } |
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[188] | 36 | else { |
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| 37 | |
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| 38 | // Check to see whether the parameters reconFile and/or residFile are defined |
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| 39 | bool reconGood = false; |
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| 40 | int exists; |
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| 41 | std::stringstream errmsg; |
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| 42 | if(this->par.getReconFile() != ""){ |
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| 43 | reconGood = true; |
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| 44 | fits_file_exists(this->par.getReconFile().c_str(),&exists,&status); |
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| 45 | if(exists<=0){ |
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| 46 | fits_report_error(stderr, status); |
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| 47 | errmsg<< "Cannot find requested ReconFile. Trying with parameters.\n" |
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| 48 | << "Bad reconFile was: "<<this->par.getReconFile() << std::endl; |
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| 49 | duchampWarning("readReconCube", errmsg.str()); |
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| 50 | reconGood = false; |
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| 51 | } |
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| 52 | } |
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| 53 | else{ |
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| 54 | errmsg<< "ReconFile not specified. Working out name from parameters.\n"; |
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| 55 | } |
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[71] | 56 | |
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[188] | 57 | if(!reconGood){ // if bad, need to look at parameters |
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[71] | 58 | |
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[188] | 59 | string reconFile = this->par.outputReconFile(); |
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| 60 | errmsg << "Trying file " << reconFile << std::endl; |
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| 61 | duchampWarning("readReconCube", errmsg.str() ); |
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| 62 | reconGood = true; |
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| 63 | fits_file_exists(reconFile.c_str(),&exists,&status); |
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| 64 | if(exists<=0){ |
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| 65 | fits_report_error(stderr, status); |
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| 66 | duchampWarning("readReconCube","ReconFile not present.\n"); |
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| 67 | reconGood = false; |
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| 68 | } |
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| 69 | |
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| 70 | if(reconGood){ |
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| 71 | // were able to open this new file -- use this, so reset the |
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| 72 | // relevant parameter |
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| 73 | this->par.setReconFile(reconFile); |
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| 74 | } |
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| 75 | else { // if STILL bad, give error message and exit. |
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| 76 | duchampError("readReconCube","Cannot find reconstructed file.\n"); |
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| 77 | return FAILURE; |
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| 78 | } |
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| 79 | |
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| 80 | } |
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| 81 | |
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| 82 | // if we get to here, reconGood is true (ie. file is open); |
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| 83 | |
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| 84 | status=0; |
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| 85 | fitsfile *fptr; |
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| 86 | fits_open_file(&fptr,this->par.getReconFile().c_str(),READONLY,&status); |
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| 87 | short int maxdim=3; |
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| 88 | long *fpixel = new long[maxdim]; |
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| 89 | for(int i=0;i<maxdim;i++) fpixel[i]=1; |
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| 90 | long *dimAxesNew = new long[maxdim]; |
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| 91 | for(int i=0;i<maxdim;i++) dimAxesNew[i]=1; |
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| 92 | long nelements; |
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| 93 | int bitpix,numAxesNew,anynul; |
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| 94 | |
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| 95 | status = 0; |
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| 96 | fits_get_img_param(fptr, maxdim, &bitpix, &numAxesNew, dimAxesNew, &status); |
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| 97 | if(status){ |
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[71] | 98 | fits_report_error(stderr, status); |
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[188] | 99 | return FAILURE; |
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[71] | 100 | } |
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| 101 | |
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[188] | 102 | if(numAxesNew != this->numDim){ |
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| 103 | std::stringstream errmsg; |
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| 104 | errmsg << "Reconstructed cube has a different number of axes to original!" |
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| 105 | << " (" << numAxesNew << " cf. " << this->numDim << ")\n"; |
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| 106 | duchampError("readReconCube", errmsg.str()); |
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[71] | 107 | return FAILURE; |
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| 108 | } |
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| 109 | |
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[188] | 110 | for(int i=0;i<numAxesNew;i++){ |
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| 111 | if(dimAxesNew[i]!=this->axisDim[i]){ |
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| 112 | std::stringstream errmsg; |
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| 113 | errmsg << "Reconstructed cube has different axis dimensions to original!" |
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| 114 | << "\nAxis #" << i+1 << " has size " << dimAxesNew[i] |
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| 115 | << " cf. " << this->axisDim[i] <<" in original.\n"; |
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| 116 | duchampError("readReconCube", errmsg.str()); |
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| 117 | return FAILURE; |
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| 118 | } |
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| 119 | } |
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[71] | 120 | |
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[188] | 121 | char *comment = new char[80]; |
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[71] | 122 | |
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[188] | 123 | if(this->par.getFlagSubsection()){ |
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| 124 | char *subsection = new char[80]; |
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| 125 | status = 0; |
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| 126 | fits_read_key(fptr, TSTRING, (char *)keyword_subsection.c_str(), |
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| 127 | subsection, comment, &status); |
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| 128 | if(status){ |
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| 129 | duchampError("readReconCube", |
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| 130 | "subsection keyword not present in reconFile.\n"); |
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| 131 | return FAILURE; |
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| 132 | } |
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| 133 | else{ |
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| 134 | if(this->par.getSubsection() != subsection){ |
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| 135 | std::stringstream errmsg; |
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| 136 | errmsg << "subsection keyword in reconFile (" << subsection |
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| 137 | << ") does not match that requested (" |
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| 138 | << this->par.getSubsection() << ").\n"; |
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| 139 | duchampError("readReconCube", errmsg.str()); |
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| 140 | return FAILURE; |
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| 141 | } |
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| 142 | } |
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| 143 | delete subsection; |
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| 144 | } |
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[71] | 145 | |
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[188] | 146 | int scaleMin,filterCode,reconDim; |
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| 147 | float snrRecon; |
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| 148 | status = 0; |
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| 149 | fits_read_key(fptr, TINT, (char *)keyword_reconDim.c_str(), |
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| 150 | &reconDim, comment, &status); |
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| 151 | if(reconDim != this->par.getReconDim()){ |
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[120] | 152 | std::stringstream errmsg; |
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[188] | 153 | errmsg << "reconDim keyword in reconFile (" << reconDim |
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| 154 | << ") does not match that requested (" |
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| 155 | << this->par.getReconDim() << ").\n"; |
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[120] | 156 | duchampError("readReconCube", errmsg.str()); |
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[71] | 157 | return FAILURE; |
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| 158 | } |
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[105] | 159 | status = 0; |
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[188] | 160 | fits_read_key(fptr, TINT, (char *)keyword_filterCode.c_str(), |
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| 161 | &filterCode, comment, &status); |
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| 162 | if(filterCode != this->par.getFilterCode()){ |
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| 163 | std::stringstream errmsg; |
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| 164 | errmsg << "filterCode keyword in reconFile (" << filterCode |
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| 165 | << ") does not match that requested (" |
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| 166 | << this->par.getFilterCode() << ").\n"; |
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| 167 | duchampError("readReconCube", errmsg.str()); |
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[105] | 168 | return FAILURE; |
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| 169 | } |
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[188] | 170 | status = 0; |
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| 171 | fits_read_key(fptr, TFLOAT, (char *)keyword_snrRecon.c_str(), |
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| 172 | &snrRecon, comment, &status); |
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| 173 | if(snrRecon != this->par.getAtrousCut()){ |
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| 174 | std::stringstream errmsg; |
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| 175 | errmsg << "snrRecon keyword in reconFile (" << snrRecon |
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| 176 | << ") does not match that requested (" |
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| 177 | << this->par.getAtrousCut() << ").\n"; |
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| 178 | duchampError("readReconCube", errmsg.str()); |
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| 179 | return FAILURE; |
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[105] | 180 | } |
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[188] | 181 | status = 0; |
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| 182 | fits_read_key(fptr, TINT, (char *)keyword_scaleMin.c_str(), |
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| 183 | &scaleMin, comment, &status); |
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| 184 | if(scaleMin != this->par.getMinScale()){ |
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| 185 | std::stringstream errmsg; |
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| 186 | errmsg << "scaleMin keyword in reconFile (" << scaleMin |
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| 187 | << ") does not match that requested (" |
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| 188 | << this->par.getMinScale() << ").\n"; |
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| 189 | duchampError("readReconCube", errmsg.str()); |
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| 190 | return FAILURE; |
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| 191 | } |
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[104] | 192 | |
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[188] | 193 | // |
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| 194 | // If we get to here, the reconFile exists and matches the atrous |
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| 195 | // parameters the user has requested. |
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[104] | 196 | |
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[188] | 197 | status = 0; |
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| 198 | fits_read_pix(fptr, TFLOAT, fpixel, this->numPixels, NULL, |
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| 199 | this->recon, &anynul, &status); |
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[71] | 200 | |
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[188] | 201 | status = 0; |
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| 202 | fits_close_file(fptr, &status); |
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| 203 | if (status){ |
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| 204 | duchampWarning("readReconCube", "Error closing file: "); |
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| 205 | fits_report_error(stderr, status); |
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| 206 | } |
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[71] | 207 | |
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[188] | 208 | // We don't want to write out the recon or resid files at the end |
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| 209 | this->par.setFlagOutputRecon(false); |
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| 210 | this->par.setFlagOutputResid(false); |
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[71] | 211 | |
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[188] | 212 | // The reconstruction is done -- set the appropriate flag |
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| 213 | this->reconExists = true; |
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[71] | 214 | |
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[188] | 215 | return SUCCESS; |
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| 216 | } |
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[71] | 217 | } |
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