====== The Project File ======

===== What is a Project File =====

The project file '{Projectname}.spr' contains all the parameters for each photo of the project and is the basic file of a Strabo project.

===== Description of the Project File =====

The following information is available in the project file:

==== General information: ====

  * Name of the project.
  * Type of project (Vertical of Terrestrial)
  * Percentage overlap between the photographs.
  * Photoscale.
  * Pixelsize of scans expressed in micron.
  * Viewscale.
  * Average groundheight expressed in [[..:other:Coordinate_systems#Terrain coordinates|terrain coordinate units]]/1000.
  * A-priori standard deviation of the GCP's in X- and Y-direction expressed in terrain coordinate units.
  * A-priori standard deviation of the GCP's in Z-direction expressed in terrain coordinate units.
  * Grid distance for DEM in X-direction expressed in terrain coordinate units.
  * Grid distance for DEM in Y-direction expressed in terrain coordinate units.
  * Type of camera used, and all its camera parameters.

==== Information on each flight strip: ====

  * Number of the strip.
  * Flight number.

==== Information on each photograph: ====

  * Number of photograph.
  * Type of camera.
  * Image path.
  * X-coordinate projection center expressed in [[..:other:Coordinate_systems#Terrain coordinates|terrain coordinate units]].
  * Y-coordinate projection center expressed in terrain coordinate units.
  * Z-coordinate projection center expressed in terrain coordinate units.
  * Rotation parameters Omega, Phi and Kappa expressed in RAD.
  * Image points.
  * Fiducial marks.

==== Information on each image point: ====

  * Name of image point.
  * X-coordinate expressed in [[..:other:Coordinate_systems#Image coordinates|image coordinates]].
  * Y-coordinate expressed in image coordinates.

==== Information on each fiducial mark: ====

  * Name of fiducial mark.
  * X-coordinate expressed in [[..:other:Coordinate_systems#Image coordinates|image coordinates]].
  * Y-coordinate expressed in image coordinates.