1 | // ----------------------------------------------------------------------- |
---|
2 | // outputSpectra.cc: Print the spectra of the detected objects. |
---|
3 | // ----------------------------------------------------------------------- |
---|
4 | // Copyright (C) 2006, Matthew Whiting, ATNF |
---|
5 | // |
---|
6 | // This program is free software; you can redistribute it and/or modify it |
---|
7 | // under the terms of the GNU General Public License as published by the |
---|
8 | // Free Software Foundation; either version 2 of the License, or (at your |
---|
9 | // option) any later version. |
---|
10 | // |
---|
11 | // Duchamp is distributed in the hope that it will be useful, but WITHOUT |
---|
12 | // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
---|
13 | // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
---|
14 | // for more details. |
---|
15 | // |
---|
16 | // You should have received a copy of the GNU General Public License |
---|
17 | // along with Duchamp; if not, write to the Free Software Foundation, |
---|
18 | // Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA |
---|
19 | // |
---|
20 | // Correspondence concerning Duchamp may be directed to: |
---|
21 | // Internet email: Matthew.Whiting [at] atnf.csiro.au |
---|
22 | // Postal address: Dr. Matthew Whiting |
---|
23 | // Australia Telescope National Facility, CSIRO |
---|
24 | // PO Box 76 |
---|
25 | // Epping NSW 1710 |
---|
26 | // AUSTRALIA |
---|
27 | // ----------------------------------------------------------------------- |
---|
28 | #include <iostream> |
---|
29 | #include <fstream> |
---|
30 | #include <iomanip> |
---|
31 | #include <sstream> |
---|
32 | #include <string> |
---|
33 | #include <cpgplot.h> |
---|
34 | #include <math.h> |
---|
35 | #include <wcslib/wcs.h> |
---|
36 | #include <duchamp/param.hh> |
---|
37 | #include <duchamp/duchamp.hh> |
---|
38 | #include <duchamp/fitsHeader.hh> |
---|
39 | #include <duchamp/PixelMap/Object3D.hh> |
---|
40 | #include <duchamp/Cubes/cubes.hh> |
---|
41 | #include <duchamp/Cubes/plots.hh> |
---|
42 | #include <duchamp/Utils/utils.hh> |
---|
43 | #include <duchamp/Utils/mycpgplot.hh> |
---|
44 | |
---|
45 | using namespace mycpgplot; |
---|
46 | using namespace PixelInfo; |
---|
47 | |
---|
48 | namespace duchamp |
---|
49 | { |
---|
50 | |
---|
51 | void getSmallVelRange(Detection &obj, FitsHeader head, float *minvel, float *maxvel); |
---|
52 | void getSmallZRange(Detection &obj, float *minz, float *maxz); |
---|
53 | |
---|
54 | std::string getIndivPlotName(std::string baseName, int objNum, int maxNumObj) |
---|
55 | { |
---|
56 | int width = int(floor(log10(float(maxNumObj))))+1; |
---|
57 | if(baseName.substr(baseName.size()-3,baseName.size())==".ps"){ |
---|
58 | std::stringstream ss; |
---|
59 | ss << baseName.substr(0,baseName.size()-3) |
---|
60 | << "-" << std::setw(width) << std::setfill('0') << objNum |
---|
61 | << ".ps"; |
---|
62 | return ss.str(); |
---|
63 | } |
---|
64 | else{ |
---|
65 | std::stringstream ss; |
---|
66 | ss << baseName |
---|
67 | << "-" << std::setw(width) << std::setfill('0') << objNum |
---|
68 | << ".ps"; |
---|
69 | return ss.str(); |
---|
70 | } |
---|
71 | } |
---|
72 | |
---|
73 | void Cube::outputSpectra() |
---|
74 | { |
---|
75 | /** |
---|
76 | * The way to display individual detected objects. The standard way |
---|
77 | * is plot the full spectrum, plus a zoomed-in spectrum showing just |
---|
78 | * the object, plus the 0th-moment map. If there is no spectral |
---|
79 | * axis, just the 0th moment map is plotted (using |
---|
80 | * Cube::plotSource() rather than Cube::plotSpectrum()). |
---|
81 | * |
---|
82 | * It makes use of the SpectralPlot or CutoutPlot classes from |
---|
83 | * plots.h, which size everything correctly. |
---|
84 | * |
---|
85 | * The main choice for SpectralPlot() is whether to use the peak |
---|
86 | * pixel, in which case the spectrum is just that of the peak pixel, |
---|
87 | * or the sum, where the spectrum is summed over all spatial pixels |
---|
88 | * that are in the object. If a reconstruction has been done, that |
---|
89 | * spectrum is plotted in red. The limits of the detection are |
---|
90 | * marked in blue. A 0th moment map of the detection is also |
---|
91 | * plotted, with a scale bar indicating the spatial scale. |
---|
92 | */ |
---|
93 | |
---|
94 | if(this->fullCols.size()==0) this->setupColumns(); |
---|
95 | // in case cols haven't been set -- need the precisions for printing values. |
---|
96 | |
---|
97 | std::vector<bool> objectChoice = this->par.getObjectChoices(this->objectList->size()); |
---|
98 | |
---|
99 | std::string spectrafile = this->par.getSpectraFile() + "/vcps"; |
---|
100 | if(this->getDimZ()<=1){ |
---|
101 | Plot::CutoutPlot newplot; |
---|
102 | if(newplot.setUpPlot(spectrafile.c_str())>0) { |
---|
103 | |
---|
104 | for(int nobj=0;nobj<this->objectList->size();nobj++){ |
---|
105 | // for each object in the cube, assuming it is wanted: |
---|
106 | if(objectChoice[nobj]) this->plotSource(this->objectList->at(nobj),newplot); |
---|
107 | }// end of loop over objects. |
---|
108 | cpgclos(); |
---|
109 | |
---|
110 | if(this->par.getFlagUsePrevious()) std::cout << "\n"; |
---|
111 | for(int nobj=0;nobj<this->objectList->size();nobj++){ |
---|
112 | if(objectChoice[nobj] && this->par.getFlagUsePrevious()){ |
---|
113 | std::cout << " Will output individual plot to " |
---|
114 | << getIndivPlotName(this->par.getSpectraFile(),nobj+1,this->objectList->size()) << "\n"; |
---|
115 | Plot::CutoutPlot indivplot; |
---|
116 | indivplot.setUpPlot(getIndivPlotName(this->par.getSpectraFile(),nobj+1,this->objectList->size())+"/vcps"); |
---|
117 | this->plotSource(this->objectList->at(nobj),indivplot); |
---|
118 | cpgclos(); |
---|
119 | } |
---|
120 | } |
---|
121 | } |
---|
122 | } |
---|
123 | else{ |
---|
124 | Plot::SpectralPlot newplot; |
---|
125 | if(newplot.setUpPlot(spectrafile.c_str())>0) { |
---|
126 | |
---|
127 | for(int nobj=0;nobj<this->objectList->size();nobj++){ |
---|
128 | // for each object in the cube, assuming it is wanted: |
---|
129 | if(objectChoice[nobj]) this->plotSpectrum(nobj,newplot); |
---|
130 | }// end of loop over objects. |
---|
131 | cpgclos(); |
---|
132 | |
---|
133 | if(this->par.getFlagUsePrevious()) std::cout << "\n"; |
---|
134 | for(int nobj=0;nobj<this->objectList->size();nobj++){ |
---|
135 | if(objectChoice[nobj] && this->par.getFlagUsePrevious()){ |
---|
136 | std::cout << " Will output individual plot to " |
---|
137 | << getIndivPlotName(this->par.getSpectraFile(),nobj+1,this->objectList->size()) << "\n"; |
---|
138 | Plot::SpectralPlot indivplot; |
---|
139 | indivplot.setUpPlot(getIndivPlotName(this->par.getSpectraFile(),nobj+1,this->objectList->size())+"/vcps"); |
---|
140 | this->plotSpectrum(nobj,indivplot); |
---|
141 | cpgclos(); |
---|
142 | } |
---|
143 | } |
---|
144 | |
---|
145 | } |
---|
146 | |
---|
147 | if(this->par.getFlagTextSpectra()){ |
---|
148 | if(this->par.isVerbose()) std::cout << " Saving spectra to text file ... "; |
---|
149 | this->writeSpectralData(); |
---|
150 | if(this->par.isVerbose()) std::cout << "Done.\n"; |
---|
151 | } |
---|
152 | } |
---|
153 | } |
---|
154 | //-------------------------------------------------------------------- |
---|
155 | |
---|
156 | void Cube::writeSpectralData() |
---|
157 | { |
---|
158 | /** |
---|
159 | * A function to write, in ascii form, the spectra of each |
---|
160 | * detected object to a file. The file consists of a column for |
---|
161 | * the spectral coordinates, and one column for each object |
---|
162 | * showing the flux at that spectral position. The units are the |
---|
163 | * same as those shown in the graphical output. The filename is |
---|
164 | * given by the Param::spectraTextFile parameter in the Cube::par |
---|
165 | * parameter set. |
---|
166 | */ |
---|
167 | |
---|
168 | const int zdim = this->axisDim[2]; |
---|
169 | const int numObj = this->objectList->size(); |
---|
170 | float *specxOut = new float[zdim]; |
---|
171 | float *spectra = new float[numObj*zdim]; |
---|
172 | |
---|
173 | for(int obj=0; obj<numObj; obj++){ |
---|
174 | float *temp = new float[zdim]; |
---|
175 | float *specx = new float[zdim]; |
---|
176 | float *recon = new float[zdim]; |
---|
177 | float *base = new float[zdim]; |
---|
178 | this->getSpectralArrays(obj, specx, temp, recon, base); |
---|
179 | for(int z=0;z<zdim;z++) spectra[obj*zdim+z] = temp[z]; |
---|
180 | if(obj==0) for(int z=0;z<zdim;z++) specxOut[z] = specx[z]; |
---|
181 | delete [] specx; |
---|
182 | delete [] recon; |
---|
183 | delete [] base; |
---|
184 | delete [] temp; |
---|
185 | } |
---|
186 | |
---|
187 | std::ofstream fspec(this->par.getSpectraTextFile().c_str()); |
---|
188 | fspec.setf(std::ios::fixed); |
---|
189 | |
---|
190 | for(int z=0;z<zdim;z++){ |
---|
191 | |
---|
192 | fspec << std::setprecision(8); |
---|
193 | fspec << specxOut[z] << " "; |
---|
194 | for(int obj=0;obj<numObj; obj++) { |
---|
195 | fspec << spectra[obj*zdim+z] << " "; |
---|
196 | } |
---|
197 | fspec << "\n"; |
---|
198 | |
---|
199 | } |
---|
200 | fspec.close(); |
---|
201 | |
---|
202 | delete [] spectra; |
---|
203 | delete [] specxOut; |
---|
204 | |
---|
205 | } |
---|
206 | //-------------------------------------------------------------------- |
---|
207 | |
---|
208 | void Cube::plotSpectrum(int objNum, Plot::SpectralPlot &plot) |
---|
209 | { |
---|
210 | /** |
---|
211 | * The way to print out the spectrum of a Detection. |
---|
212 | * Makes use of the SpectralPlot class in plots.hh, which sizes |
---|
213 | * everything correctly. |
---|
214 | * |
---|
215 | * The main choice for the user is whether to use the peak pixel, in |
---|
216 | * which case the spectrum is just that of the peak pixel, or the |
---|
217 | * sum, where the spectrum is summed over all spatial pixels that |
---|
218 | * are in the object. |
---|
219 | * |
---|
220 | * If a reconstruction has been done, that spectrum is plotted in |
---|
221 | * red, and if a baseline has been calculated that is also shown, in |
---|
222 | * yellow. The spectral limits of the detection are marked in blue. |
---|
223 | * A 0th moment map of the detection is also plotted, with a scale |
---|
224 | * bar indicating the spatial size. |
---|
225 | * |
---|
226 | * \param objNum The number of the Detection to be plotted. |
---|
227 | * \param plot The SpectralPlot object defining the PGPLOT device |
---|
228 | * to plot the spectrum on. |
---|
229 | */ |
---|
230 | |
---|
231 | long zdim = this->axisDim[2]; |
---|
232 | |
---|
233 | this->objectList->at(objNum).calcFluxes(this->array, this->axisDim); |
---|
234 | |
---|
235 | double minMWvel,maxMWvel,xval,yval,zval; |
---|
236 | xval = double(this->objectList->at(objNum).getXcentre()); |
---|
237 | yval = double(this->objectList->at(objNum).getYcentre()); |
---|
238 | if(this->par.getFlagMW()){ |
---|
239 | zval = double(this->par.getMinMW()); |
---|
240 | minMWvel = this->head.pixToVel(xval,yval,zval); |
---|
241 | zval = double(this->par.getMaxMW()); |
---|
242 | maxMWvel = this->head.pixToVel(xval,yval,zval); |
---|
243 | } |
---|
244 | |
---|
245 | float *specx = new float[zdim]; |
---|
246 | float *specy = new float[zdim]; |
---|
247 | float *specy2 = new float[zdim]; |
---|
248 | float *base = new float[zdim]; |
---|
249 | // float *specx, *specy, *specy2, *base; |
---|
250 | |
---|
251 | this->getSpectralArrays(objNum,specx,specy,specy2,base); |
---|
252 | |
---|
253 | std::string fluxLabel = "Flux"; |
---|
254 | std::string fluxUnits = this->head.getFluxUnits(); |
---|
255 | std::string intFluxUnits;// = this->head.getIntFluxUnits(); |
---|
256 | // Rather than use the intFluxUnits from the header, which will be like Jy MHz, |
---|
257 | // we just use the pixel units, removing the /beam if necessary. |
---|
258 | if(makelower(fluxUnits.substr(fluxUnits.size()-5, |
---|
259 | fluxUnits.size() )) == "/beam"){ |
---|
260 | intFluxUnits = fluxUnits.substr(0,fluxUnits.size()-5); |
---|
261 | } |
---|
262 | else intFluxUnits = fluxUnits; |
---|
263 | |
---|
264 | |
---|
265 | if(this->par.getSpectralMethod()=="sum"){ |
---|
266 | fluxLabel = "Integrated " + fluxLabel; |
---|
267 | if(this->head.isWCS()) { |
---|
268 | fluxLabel += " ["+intFluxUnits+"]"; |
---|
269 | } |
---|
270 | } |
---|
271 | else {// if(par.getSpectralMethod()=="peak"){ |
---|
272 | fluxLabel = "Peak " + fluxLabel; |
---|
273 | if(this->head.isWCS()) fluxLabel += " ["+fluxUnits+"]"; |
---|
274 | } |
---|
275 | |
---|
276 | float vmax,vmin,width; |
---|
277 | vmax = vmin = specx[0]; |
---|
278 | for(int i=1;i<zdim;i++){ |
---|
279 | if(specx[i]>vmax) vmax=specx[i]; |
---|
280 | if(specx[i]<vmin) vmin=specx[i]; |
---|
281 | } |
---|
282 | |
---|
283 | float max,min; |
---|
284 | int loc=0; |
---|
285 | if(this->par.getMinMW()>0) max = min = specy[0]; |
---|
286 | else max = min = specy[this->par.getMaxMW()+1]; |
---|
287 | for(int i=0;i<zdim;i++){ |
---|
288 | if(!this->par.isInMW(i)){ |
---|
289 | if(specy[i]>max) max=specy[i]; |
---|
290 | if(specy[i]<min){ |
---|
291 | min=specy[i]; |
---|
292 | loc = i; |
---|
293 | } |
---|
294 | } |
---|
295 | } |
---|
296 | // widen the ranges slightly so that the top & bottom & edges don't |
---|
297 | // lie on the axes. |
---|
298 | width = max - min; |
---|
299 | max += width * 0.05; |
---|
300 | min -= width * 0.05; |
---|
301 | width = vmax - vmin; |
---|
302 | vmax += width * 0.01; |
---|
303 | vmin -= width * 0.01; |
---|
304 | |
---|
305 | // now plot the resulting spectrum |
---|
306 | std::string label; |
---|
307 | if(this->head.isWCS()){ |
---|
308 | label = this->head.getSpectralDescription() + " [" + |
---|
309 | this->head.getSpectralUnits() + "]"; |
---|
310 | plot.gotoHeader(label); |
---|
311 | } |
---|
312 | else plot.gotoHeader("Spectral pixel value"); |
---|
313 | |
---|
314 | if(this->head.isWCS()){ |
---|
315 | label = this->objectList->at(objNum).outputLabelWCS(); |
---|
316 | plot.firstHeaderLine(label); |
---|
317 | label = this->objectList->at(objNum).outputLabelFluxes(); |
---|
318 | plot.secondHeaderLine(label); |
---|
319 | } |
---|
320 | label = this->objectList->at(objNum).outputLabelWidths(); |
---|
321 | plot.thirdHeaderLine(label); |
---|
322 | label = this->objectList->at(objNum).outputLabelPix(); |
---|
323 | plot.fourthHeaderLine(label); |
---|
324 | |
---|
325 | plot.gotoMainSpectrum(vmin,vmax,min,max,fluxLabel); |
---|
326 | cpgline(zdim,specx,specy); |
---|
327 | if(this->par.getFlagBaseline()){ |
---|
328 | cpgsci(DUCHAMP_BASELINE_SPECTRA_COLOUR); |
---|
329 | cpgline(zdim,specx,base); |
---|
330 | cpgsci(FOREGND); |
---|
331 | } |
---|
332 | if(this->reconExists){ |
---|
333 | cpgsci(DUCHAMP_RECON_SPECTRA_COLOUR); |
---|
334 | cpgline(zdim,specx,specy2); |
---|
335 | cpgsci(FOREGND); |
---|
336 | } |
---|
337 | if(this->par.getFlagMW()) plot.drawMWRange(minMWvel,maxMWvel); |
---|
338 | if(this->head.isWCS()) plot.drawVelRange(this->objectList->at(objNum).getVelMin(),this->objectList->at(objNum).getVelMax()); |
---|
339 | else plot.drawVelRange(this->objectList->at(objNum).getZmin(),this->objectList->at(objNum).getZmax()); |
---|
340 | |
---|
341 | /**************************/ |
---|
342 | // ZOOM IN SPECTRALLY ON THE DETECTION. |
---|
343 | |
---|
344 | float minvel,maxvel; |
---|
345 | if(this->head.isWCS()) getSmallVelRange(this->objectList->at(objNum),this->head,&minvel,&maxvel); |
---|
346 | else getSmallZRange(this->objectList->at(objNum),&minvel,&maxvel); |
---|
347 | |
---|
348 | // Find new max & min flux values |
---|
349 | std::swap(max,min); |
---|
350 | int ct = 0; |
---|
351 | for(int i=0;i<zdim;i++){ |
---|
352 | if((!this->par.isInMW(i))&&(specx[i]>=minvel)&&(specx[i]<=maxvel)){ |
---|
353 | ct++; |
---|
354 | if(specy[i]>max) max=specy[i]; |
---|
355 | if(specy[i]<min) min=specy[i]; |
---|
356 | } |
---|
357 | } |
---|
358 | // widen the flux range slightly so that the top & bottom don't lie |
---|
359 | // on the axes. |
---|
360 | width = max - min; |
---|
361 | max += width * 0.05; |
---|
362 | min -= width * 0.05; |
---|
363 | |
---|
364 | plot.gotoZoomSpectrum(minvel,maxvel,min,max); |
---|
365 | cpgline(zdim,specx,specy); |
---|
366 | if(this->par.getFlagBaseline()){ |
---|
367 | cpgsci(DUCHAMP_BASELINE_SPECTRA_COLOUR); |
---|
368 | cpgline(zdim,specx,base); |
---|
369 | cpgsci(FOREGND); |
---|
370 | } |
---|
371 | if(this->reconExists){ |
---|
372 | cpgsci(DUCHAMP_RECON_SPECTRA_COLOUR); |
---|
373 | cpgline(zdim,specx,specy2); |
---|
374 | cpgsci(FOREGND); |
---|
375 | } |
---|
376 | if(this->par.getFlagMW()) plot.drawMWRange(minMWvel,maxMWvel); |
---|
377 | if(this->head.isWCS()) plot.drawVelRange(this->objectList->at(objNum).getVelMin(), |
---|
378 | this->objectList->at(objNum).getVelMax()); |
---|
379 | else plot.drawVelRange(this->objectList->at(objNum).getZmin(),this->objectList->at(objNum).getZmax()); |
---|
380 | |
---|
381 | /**************************/ |
---|
382 | |
---|
383 | // DRAW THE MOMENT MAP OF THE DETECTION -- SUMMED OVER ALL CHANNELS |
---|
384 | plot.gotoMap(); |
---|
385 | this->drawMomentCutout(this->objectList->at(objNum)); |
---|
386 | |
---|
387 | delete [] specx; |
---|
388 | delete [] specy; |
---|
389 | delete [] specy2; |
---|
390 | delete [] base; |
---|
391 | |
---|
392 | } |
---|
393 | //-------------------------------------------------------------------- |
---|
394 | |
---|
395 | void getSmallVelRange(Detection &obj, FitsHeader head, |
---|
396 | float *minvel, float *maxvel) |
---|
397 | { |
---|
398 | /** |
---|
399 | * Routine to calculate the velocity range for the zoomed-in region. |
---|
400 | * This range should be the maximum of 20 pixels, or 3x the wdith of |
---|
401 | * the detection. |
---|
402 | * Need to : |
---|
403 | * Calculate pixel width of a 3x-detection-width region. |
---|
404 | * If smaller than 20, calculate velocities of central vel +- 10 pixels |
---|
405 | * If not, use the 3x-detection-width |
---|
406 | * Range returned via "minvel" and "maxvel" parameters. |
---|
407 | * \param obj Detection under examination. |
---|
408 | * \param head FitsHeader, containing the WCS information. |
---|
409 | * \param minvel Returned value of minimum velocity |
---|
410 | * \param maxvel Returned value of maximum velocity |
---|
411 | */ |
---|
412 | |
---|
413 | double *pixcrd = new double[3]; |
---|
414 | double *world = new double[3]; |
---|
415 | float minpix,maxpix; |
---|
416 | // define new velocity extrema |
---|
417 | // -- make it 3x wider than the width of the detection. |
---|
418 | *minvel = 0.5*(obj.getVelMin()+obj.getVelMax()) - 1.5*obj.getVelWidth(); |
---|
419 | *maxvel = 0.5*(obj.getVelMin()+obj.getVelMax()) + 1.5*obj.getVelWidth(); |
---|
420 | // Find velocity range in number of pixels: |
---|
421 | world[0] = obj.getRA(); |
---|
422 | world[1] = obj.getDec(); |
---|
423 | world[2] = head.velToSpec(*minvel); |
---|
424 | head.wcsToPix(world,pixcrd); |
---|
425 | minpix = pixcrd[2]; |
---|
426 | world[2] = head.velToSpec(*maxvel); |
---|
427 | head.wcsToPix(world,pixcrd); |
---|
428 | maxpix = pixcrd[2]; |
---|
429 | if(maxpix<minpix) std::swap(maxpix,minpix); |
---|
430 | |
---|
431 | if((maxpix - minpix + 1) < 20){ |
---|
432 | pixcrd[0] = double(obj.getXcentre()); |
---|
433 | pixcrd[1] = double(obj.getYcentre()); |
---|
434 | pixcrd[2] = obj.getZcentre() - 10.; |
---|
435 | head.pixToWCS(pixcrd,world); |
---|
436 | // *minvel = setVel_kms(wcs,world[2]); |
---|
437 | *minvel = head.specToVel(world[2]); |
---|
438 | pixcrd[2] = obj.getZcentre() + 10.; |
---|
439 | head.pixToWCS(pixcrd,world); |
---|
440 | // *maxvel = setVel_kms(wcs,world[2]); |
---|
441 | *maxvel = head.specToVel(world[2]); |
---|
442 | if(*maxvel<*minvel) std::swap(*maxvel,*minvel); |
---|
443 | } |
---|
444 | delete [] pixcrd; |
---|
445 | delete [] world; |
---|
446 | |
---|
447 | } |
---|
448 | //-------------------------------------------------------------------- |
---|
449 | |
---|
450 | void getSmallZRange(Detection &obj, float *minz, float *maxz) |
---|
451 | { |
---|
452 | /** |
---|
453 | * Routine to calculate the pixel range for the zoomed-in spectrum. |
---|
454 | * This range should be the maximum of 20 pixels, or 3x the width |
---|
455 | * of the detection. |
---|
456 | * Need to : |
---|
457 | * Calculate pixel width of a 3x-detection-width region. |
---|
458 | * If smaller than 20, use central pixel +- 10 pixels |
---|
459 | * Range returned via "minz" and "maxz" parameters. |
---|
460 | * \param obj Detection under examination. |
---|
461 | * \param minz Returned value of minimum z-pixel coordinate |
---|
462 | * \param maxz Returned value of maximum z-pixel coordinate |
---|
463 | */ |
---|
464 | |
---|
465 | *minz = 2.*obj.getZmin() - obj.getZmax(); |
---|
466 | *maxz = 2.*obj.getZmax() - obj.getZmin(); |
---|
467 | |
---|
468 | if((*maxz - *minz + 1) < 20){ |
---|
469 | *minz = obj.getZcentre() - 10.; |
---|
470 | *maxz = obj.getZcentre() + 10.; |
---|
471 | } |
---|
472 | |
---|
473 | } |
---|
474 | //-------------------------------------------------------------------- |
---|
475 | |
---|
476 | void Cube::plotSource(Detection obj, Plot::CutoutPlot &plot) |
---|
477 | { |
---|
478 | /** |
---|
479 | * The way to print out the 2d image cutout of a Detection. |
---|
480 | * Makes use of the CutoutPlot class in plots.hh, which sizes |
---|
481 | * everything correctly. |
---|
482 | * |
---|
483 | * A 0th moment map of the detection is plotted, with a scale |
---|
484 | * bar indicating the spatial size. |
---|
485 | * |
---|
486 | * Basic information on the source is printed next to it as well. |
---|
487 | * |
---|
488 | * \param obj The Detection to be plotted. |
---|
489 | * \param plot The PGPLOT device to plot the spectrum on. |
---|
490 | */ |
---|
491 | |
---|
492 | obj.calcFluxes(this->array, this->axisDim); |
---|
493 | |
---|
494 | std::string label; |
---|
495 | plot.gotoHeader(); |
---|
496 | |
---|
497 | if(this->head.isWCS()){ |
---|
498 | label = obj.outputLabelWCS(); |
---|
499 | plot.firstHeaderLine(label); |
---|
500 | label = obj.outputLabelFluxes(); |
---|
501 | plot.secondHeaderLine(label); |
---|
502 | } |
---|
503 | label = obj.outputLabelWidths(); |
---|
504 | plot.thirdHeaderLine(label); |
---|
505 | label = obj.outputLabelPix(); |
---|
506 | plot.fourthHeaderLine(label); |
---|
507 | |
---|
508 | // DRAW THE MOMENT MAP OF THE DETECTION -- SUMMED OVER ALL CHANNELS |
---|
509 | plot.gotoMap(); |
---|
510 | this->drawMomentCutout(obj); |
---|
511 | |
---|
512 | } |
---|
513 | |
---|
514 | } |
---|