direct-location-class-diagram.puml

' Copyright 2013-2022 CS GROUP
' Licensed to CS GROUP (CS) under one or more
' contributor license agreements.  See the NOTICE file distributed with
' this work for additional information regarding copyright ownership.
' CS licenses this file to You under the Apache License, Version 2.0
' (the "License"); you may not use this file except in compliance with
' the License.  You may obtain a copy of the License at
'
'   http://www.apache.org/licenses/LICENSE-2.0
'
' Unless required by applicable law or agreed to in writing, software
' distributed under the License is distributed on an "AS IS" BASIS,
' WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
' See the License for the specific language governing permissions and
' limitations under the License.

@startuml

  skinparam svek                  true
  skinparam ClassBackgroundColor  #F3EFEB/CCC9C5
  skinparam ClassArrowColor       #691616
  skinparam ClassBorderColor      #691616
  skinparam NoteBackgroundColor   #F3EFEB
  skinparam NoteBorderColor       #691616
  skinparam NoteFontColor         #691616
  skinparam ClassFontSize         11

  package rugged #ECEBD8 {

    package raster #DDEBD8 {
      interface Tile {
        +interpolateElevation(φ, λ)
        +pixelIntersection(NormalizedGeodeticPoint, los, φ index, λ index)
      }
    }

    package intersection #DDEBD8 {
      interface IntersectionAlgorithm {
        +intersection(ellipsoid, position, los)
        +refineIntersection(ellipsoid, position, los, closeGuess)
      }
      Tile <-- IntersectionAlgorithm : evaluate DEM
    }

    package utils #DDEBD8 {

      class ExtendedEllipsoid {
        +pointAtLatitude(position, los, φ, closereference)
        +pointAtLongitude(position, los, λ)
        +pointAtAltitude(position, los, h)
        +pointOnGround(position, los)
      }
      class SpacecraftToObservedBody
      IntersectionAlgorithm --> ExtendedEllipsoid : compute grid points crossings
    }

    package api #DDEBD8 {
      class Rugged {
        +directLocation(sensorName, line)
      }
      IntersectionAlgorithm "1" <--o Rugged : delegate DEM intersection
      ExtendedEllipsoid <-- Rugged : convert geodetic points
      SpacecraftToObservedBody <-- Rugged : convert positions/directions
    }

    package linesensor #DDEBD8 {
      class LineSensor
      Rugged --> LineSensor : getLOS(date, pixel)
      Rugged --> LineSensor : getDate(line)
    }

  }

  package mission.specific #C4D2C5 {
    class UserMain #D5E0D5/E2EBE2
    UserMain -->  Rugged 
  }

@enduml