![]() Spectrum, which is not entirely removed by the preceding filteringĪctions. The sky background often generates a slowly varying offset of the Made to the pixels in each frame between 7 and 13.8 microns,Īnd this fit is subtracted from this individual pixels. Order: If specified, a polynomial fit of the specified order is Is subtracted from input data, yielding a highpass filter. NSmooth: (optional) width of boxcar used in highpass filtering.ĭata is smoothed in time with boxcar, and this smoothed version Imaging_data file with only one DATA region ( InFile: name of the output from oir1dCompressData The fringe should vary quicklyīecause of the OPD modulation imposed by the MIDI piezos. This removes instrumental and sky backgrounds that vary (over wavelength) from the individual spectral channels. The time domain) applied to the individual spectral channels,Īnd finally, optionally, by removal of the a polynomial fit to the flux The subtraction itself, by a high-pass filter (in Take the output of oir1dCompressData and form spectrally dispersedįringes by subtraction of the two interferometic channels and MaskFile except that the y-dimension of each DATA array is 1. This will be a MIDI styleįITS binary table in exactly the same format as "inFiles" and Specified it defaults to an environmental variable specifiedĮxternally (typically in the vltisetup script): MaskFile: a MIDI style FITS binary table whose imaging_data sectionĬontains the masks described above. If there is more than one file they should be separatedīy spaces and included between double quotes: "file1 file2 file3" Were broken up into 100MB files by the on-line system. There may be more than one file because they "inFiles" a list of raw MIDI (PRISM/GRISM) input files representing Is a 1-dimensional spectrum for each window region. (perpendicular to the PRISM/GRISM dispersion). Not containing useful data) and summing in the y-direction Window by a floating point mask (which has zeros in rows oir1dCompressData "inFiles" maskFile outFileĬompress MIDI raw (PRISM/GRISM) files by multiplying each MIDI.More complete description of the C-language oirRoutines: Table-of-Contents C-routines IDL-Routines complexVisData = midiCVis(oirVisibilityStruct) keyValue = midiGetKeyword(keyword, inputFiles)ġ1. choppedData = midiChopImage(inputFiles)ġ0. sourceFlux = cdb->spectrumFromFile(fitsFile, diamData=diamData, specData=specData, rad=rad, /silent)ġ. sourceData = cdb->sourceFromFile(fitsFile, diamData=diamData, photData=photData, specData=specData, rad=rad, /silent)ħ. radii = cdb->sourcesNearPosition (ra, dec, sources, nmax=nmax, rmax=rmax)Ħ. nSource = cdb->sourceByAlias (alias, sourceData, diamData, photData, specData)ĥ. nSource = cdb->sourceByName (name, sourceData, diamData, photData, specData)Ĥ. Summary of calibration database routinesģ. simData=midiDecorrelate( targetdata, caldata, targtag, caltag, ratios.) midiProcess2Vis, targetFiles, calFiles, targTag, calTag, ,ġ0. Summary of IDL procedures that call the oirRoutines These are the "routine" routines that most people will use for standarized analysis of MIDI data.ġ. oirCrossCoeff baseName -cross outputFile -mask maskFile ġ7 oirCurveCal -A Afile -B Bfile -out outFile oirCalibrateVis targTag calTags ġ5 oirRescaleSpectra templateFile scaleFile outFileġ6. oirSci2HiPhot -AB ABfile -outbase outFileBase -ref refCoordFile -cross CrossCoeffFileġ4. oirMakePhotoSpectra -mask maskFile] -out outFile ġ2. oirChopPhotoImages -in "inFiles" -out outFile ġ1. oirAutoFlag infile delayFile flagFile ġ0. oirRotateGroupDelay infile delayFile outfile oir1dCompressData "inFiles" maskFile outFileĢ. Summary of C-language programs and calling sequences:ġ. Standard file names and contents used by scripts Description of file selection GUI (Gorgonzola) X. Summary of IDL Calibration Database Routines IV. Summary of IDL routines calling C routines(probably what you want to know!) III. That do most of the work and IDL front-ends for selecting ![]() Pronounced "Ooze") software for coherent estimation EWS - User Guide Previous: Processing Steps Up: Contents Next: File Formatsīelow a description of the EWS (Expert Work Station: ![]()
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