Class: VORuby::Services::Gestalt::WCSFixerService

Inherits:
Object
  • Object
show all
Defined in:
lib/voruby/services/gestalt/wcs_fixer.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(driver, debug = false) ⇒ WCSFixerService

Returns a new instance of WCSFixerService.



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# File 'lib/voruby/services/gestalt/wcs_fixer.rb', line 13

def initialize(driver, debug=false)
  @driver = driver
  @driver.wiredump_dev = $stderr if debug
end

Instance Attribute Details

#driver ⇒ Object (readonly)

Returns the value of attribute driver.



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# File 'lib/voruby/services/gestalt/wcs_fixer.rb', line 11

def driver
  @driver
end

Class Method Details

.from_wsdl(wsdl = 'http://nvogre.phyast.pitt.edu:9090/wcs/WcsFixer.asmx?wsdl', debug = false) ⇒ Object 



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# File 'lib/voruby/services/gestalt/wcs_fixer.rb', line 18

def self.from_wsdl(wsdl='http://nvogre.phyast.pitt.edu:9090/wcs/WcsFixer.asmx?wsdl', debug=false)
  return WCSFixerService.new(SOAP::WSDLDriverFactory.new(wsdl).create_rpc_driver, debug)
end

Instance Method Details

#fix(fitsfile, output_file, calibration_db = "SDSSDR3", approx_img_offset = 5.0, num_objects = 50, ellipticity_cut = 1.2) ⇒ Object

Corrects a FITS image with WCS information.



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# File 'lib/voruby/services/gestalt/wcs_fixer.rb', line 42

def fix(fitsfile, output_file, calibration_db="SDSSDR3", approx_img_offset=5.0, num_objects=50, ellipticity_cut=1.2)
  params = {'fitsfile' => File.read(fitsfile),
            'db' => calibration_db,
            'offset' => approx_img_offset,
            'numObjects' => num_objects,
            'elongCut' => ellipticity_cut}
        
  begin
      corrected_fits = @driver.fix(params.to_soap_map)['FixWithoutWcsResult']
      return VORuby::Utilities::save_to(output_file, corrected_fits)
  rescue SOAP::FaultError => sfe
      raise WCSFixerSoapException, sfe
  end
end

#fixUrl(url, output_file = nil, calibration_db = "SDSSDR3", approx_img_offset = 5.0, num_objects = 50, ellipticity_cut = 1.2) ⇒ Object

Corrects a FITS image URL with WCS information. If output_file is specified, the corrected FITS images is retrieved and stored locally, otherwise its URI is returned.



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# File 'lib/voruby/services/gestalt/wcs_fixer.rb', line 25

def fixUrl(url, output_file=nil, calibration_db="SDSSDR3", approx_img_offset=5.0, num_objects=50, ellipticity_cut=1.2)
  params = {'url' => url,
            'db' => calibration_db,
            'offset' => approx_img_offset,
            'numObjects' => num_objects,
            'elongCut' => ellipticity_cut}
        
  begin
    # If an output file is specified, retrieve the fixed FITS and save it locally.
    retrieval_url = @driver.fixUrl(params.to_soap_map)['FixUrlResult']
    (output_file != nil)? (return VORuby::Utilities::save_to(output_file, URI.parse(retrieval_url).read)): (return retrieval_url)
  rescue SOAP::FaultError => sfe
    raise WCSFixerSoapException, sfe
  end
end

#fixWithoutWcs(fitsfile, output_file, ra_center, dec_center, pixel_scale, calibration_db = "SDSSDR3", approx_img_offset = 5.0, num_objects = 50, ellipticity_cut = 1.2) ⇒ Object

Corrects a FITS image with WCS information.



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# File 'lib/voruby/services/gestalt/wcs_fixer.rb', line 82

def fixWithoutWcs(fitsfile, output_file,
  ra_center, dec_center, pixel_scale,
  calibration_db="SDSSDR3", approx_img_offset=5.0, num_objects=50, ellipticity_cut=1.2)
  params = {'fitsfile' => File.read(fitsfile),
            'db' => calibration_db,
            'offset' => approx_img_offset,
            'numObjects' => num_objects,
            'elongCut' => ellipticity_cut,
            'raCenter' => ra_center,
            'decCenter' => dec_center,
            'pixelScale' => pixel_scale}
        
  begin
    corrected_fits = @driver.fixWithoutWcs(params.to_soap_map)['FixWithoutWcsResult']
    return VORuby::Utilities::save_to(output_file, corrected_fits)
  rescue SOAP::FaultError => sfe
    raise WCSFixerSoapException, sfe
  end
end

#fixWithoutWcsUrl(url, output_file, ra_center, dec_center, pixel_scale, calibration_db = "SDSSDR3", approx_img_offset = 5.0, num_objects = 50, ellipticity_cut = 1.2) ⇒ Object

Corrects a FITS image URL without WCS information. If output_file is specified, the corrected FITS images is retrieved and stored locally, otherwise its URI is returned.



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# File 'lib/voruby/services/gestalt/wcs_fixer.rb', line 60

def fixWithoutWcsUrl(url, output_file,
  ra_center, dec_center, pixel_scale,
  calibration_db="SDSSDR3", approx_img_offset=5.0, num_objects=50, ellipticity_cut=1.2)
  params = {'url' => url,
            'db' => calibration_db,
            'offset' => approx_img_offset,
            'numObjects' => num_objects,
            'elongCut' => ellipticity_cut,
            'raCenter' => ra_center,
            'decCenter' => dec_center,
            'pixelScale' => pixel_scale}
        
  begin
      # If an output file is specified, retrieve the fixed FITS and save it locally.
      retrieval_url = @driver.fixWithoutWcsUrl(params.to_soap_map)['FixUrlResult']
      (output_file != nil)? (return VORuby::Utilities::save_to(output_file, URI.parse(retrieval_url).read)): (return retrieval_url)
  rescue SOAP::FaultError => sfe
      raise WCSFixerSoapException, sfe
  end
end