Module: ADIWG::Mdtranslator::Readers::Fgdc::ProjectionCommon

Defined in:
lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb

Class Method Summary collapse

Class Method Details

.unpackFalseNE(xParams, hProjection) ⇒ Object

false northing and easting(xParams, hProjection, hResponseObj)



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 62

def self.unpackFalseNE(xParams, hProjection)
   paramCount = 0
   falseE = xParams.xpath('./feast').text
   unless falseE.empty?
      hProjection[:falseEasting] = falseE.to_f
      paramCount += 1
   end
   falseN = xParams.xpath('./fnorth').text
   unless falseN.empty?
      hProjection[:falseNorthing] = falseN.to_f
      paramCount += 1
   end
   return paramCount
end

.unpackHeightAS(xParams, hProjection) ⇒ Object

height of perspective point above surface



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 78

def self.unpackHeightAS(xParams, hProjection)
   heightAS = xParams.xpath('./heightpt').text
   unless heightAS.empty?
      hProjection[:heightOfProspectivePointAboveSurface] = heightAS.to_f
      return 1
   end
   return 0
end

.unpackLandSat(xParams, hProjection) ⇒ Object

landsat number



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 218

def self.unpackLandSat(xParams, hProjection)
   landsatN = xParams.xpath('./landsat').text
   unless landsatN.empty?
      hProjection[:landsatNumber] = landsatN.to_i
      return 1
   end
   return 0
end

.unpackLandSatPath(xParams, hProjection) ⇒ Object

landsat path number



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 228

def self.unpackLandSatPath(xParams, hProjection)
   landsatP = xParams.xpath('./pathnum').text
   unless landsatP.empty?
      hProjection[:landsatPath] = landsatP.to_i
      return 1
   end
   return 0
end

.unpackLatPC(xParams, hProjection) ⇒ Object

latitude of projection center



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 98

def self.unpackLatPC(xParams, hProjection)
   latPC = xParams.xpath('./latprjc').text
   unless latPC.empty?
      hProjection[:latitudeOfProjectionCenter] = latPC.to_f
      return 1
   end
   return 0
end

.unpackLatPO(xParams, hProjection) ⇒ Object

latitude of projection origin



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 52

def self.unpackLatPO(xParams, hProjection)
   latPO = xParams.xpath('./latprjo').text
   unless latPO.empty?
      hProjection[:latitudeOfProjectionOrigin] = latPO.to_f
      return 1
   end
   return 0
end

.unpackLongCM(xParams, hProjection) ⇒ Object

longitude of central meridian



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 42

def self.unpackLongCM(xParams, hProjection)
   longCM = xParams.xpath('./longcm').text
   unless longCM.empty?
      hProjection[:longitudeOfCentralMeridian] = longCM.to_f
      return 1
   end
   return 0
end

.unpackLongPC(xParams, hProjection) ⇒ Object

longitude of projection center



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 88

def self.unpackLongPC(xParams, hProjection)
   longPC = xParams.xpath('./longpc').text
   unless longPC.empty?
      hProjection[:longitudeOfProjectionCenter] = longPC.to_f
      return 1
   end
   return 0
end

.unpackObliqueLA(xParams, hProjection) ⇒ Object

oblique line azimuth



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 148

def self.unpackObliqueLA(xParams, hProjection)
   xObliqueLA = xParams.xpath('./obqlazim')
   unless xObliqueLA.empty?
      paramCount = 0
      lineAzimuth = xObliqueLA.xpath('./azimangl').text
      unless lineAzimuth.empty?
         hProjection[:azimuthAngle] = lineAzimuth.to_f
         paramCount += 1
      end
      lineLong = xObliqueLA.xpath('./azimptl').text
      unless lineLong.empty?
         hProjection[:azimuthMeasurePointLongitude] = lineLong.to_f
         paramCount += 1
      end
      return paramCount
   end
   return 0
end

.unpackObliqueLP(xParams, hProjection) ⇒ Object

oblique line point



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 168

def self.unpackObliqueLP(xParams, hProjection)
   xObliqueLP = xParams.xpath('./obqlpt')
   unless xObliqueLP.empty?
      paramCount = 0
      hPoint1 = @intMetadataClass.newObliqueLinePoint
      hPoint2 = @intMetadataClass.newObliqueLinePoint

      lat1 = xObliqueLP.xpath('./obqllat[1]').text
      unless lat1.empty?
         hPoint1[:obliqueLineLatitude] = lat1.to_f
         paramCount += 1
      end
      long1 = xObliqueLP.xpath('./obqllong[1]').text
      unless long1.empty?
         hPoint1[:obliqueLineLongitude] = long1.to_f
         paramCount += 1
      end

      lat2 = xObliqueLP.xpath('./obqllat[2]').text
      unless lat2.empty?
         hPoint2[:obliqueLineLatitude] = lat2.to_f
         paramCount += 1
      end
      long2 = xObliqueLP.xpath('./obqllong[2]').text
      unless long2.empty?
         hPoint2[:obliqueLineLongitude] = long2.to_f
         paramCount += 1
      end

      if paramCount == 4
         hProjection[:obliqueLinePoints] << hPoint1
         hProjection[:obliqueLinePoints] << hPoint2
         return hProjection[:obliqueLinePoints].length
      end

   end
   return 0
end

.unpackOtherProjection(xParams, hProjection) ⇒ Object

other projection



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 238

def self.unpackOtherProjection(xParams, hProjection)
   other = xParams.xpath('./otherprj').text
   unless other.empty?
      hProjection[:projectionIdentifier][:identifier] = 'other'
      hProjection[:projectionIdentifier][:description] = other
      return 1
   end
   return 0
end

.unpackSFCenter(xParams, hProjection) ⇒ Object

scale factor at center line



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 118

def self.unpackSFCenter(xParams, hProjection)
   sFCenter = xParams.xpath('./sfctrlin').text
   unless sFCenter.empty?
      hProjection[:scaleFactorAtCenterLine] = sFCenter.to_f
      return 1
   end
   return 0
end

.unpackSFCM(xParams, hProjection) ⇒ Object

scale factor at central meridian



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 128

def self.unpackSFCM(xParams, hProjection)
   sFCM = xParams.xpath('./sfctrmer').text
   unless sFCM.empty?
      hProjection[:scaleFactorAtCentralMeridian] = sFCM.to_f
      return 1
   end
   return 0
end

.unpackSFEquator(xParams, hProjection) ⇒ Object

scale factor at equator



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 108

def self.unpackSFEquator(xParams, hProjection)
   sFEquator = xParams.xpath('./sfequat').text
   unless sFEquator.empty?
      hProjection[:scaleFactorAtEquator] = sFEquator.to_f
      return 1
   end
   return 0
end

.unpackSFPO(xParams, hProjection) ⇒ Object

scale factor at projection origin



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 138

def self.unpackSFPO(xParams, hProjection)
   sFProjectO = xParams.xpath('./sfprjorg').text
   unless sFProjectO.empty?
      hProjection[:scaleFactorAtProjectionOrigin] = sFProjectO.to_f
      return 1
   end
   return 0
end

.unpackStandParallel(xParams, hProjection) ⇒ Object

standard parallels



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 21

def self.unpackStandParallel(xParams, hProjection)
   paramCount = 0
   aStandP = xParams.xpath('./stdparll')
   unless aStandP.empty?
      aStandP.each_with_index do |xStandP, index|
         standP = xStandP.text
         unless standP.empty?
            if index == 0
               hProjection[:standardParallel1] = standP.to_f
               paramCount += 1
            else
               hProjection[:standardParallel2] = standP.to_f
               paramCount += 1
            end
         end
      end
   end
   return paramCount
end

.unpackVSLong(xParams, hProjection) ⇒ Object

straight vertical longitude from pole



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# File 'lib/adiwg/mdtranslator/readers/fgdc/modules/mapProjections/projection_common.rb', line 208

def self.unpackVSLong(xParams, hProjection)
   sVLongP = xParams.xpath('./svlong').text
   unless sVLongP.empty?
      hProjection[:straightVerticalLongitudeFromPole] = sVLongP.to_f
      return 1
   end
   return 0
end