CS3: Coordinate Transformations
Entity Relationship Diagram for Epicentre V3.0 Data Model Copyright (C) 2001 POSC, All Rights Reserved.
source_coordinate_system Each geodetic_transformation must be based upon one and only one simple_coordinate_system. source_for_geodetic Each simple_coordinate_system may be the basis of one one or more geodetic_transformation. target_coordinate_system Each geodetic_transformation must provide a result for one and only one simple_coordinate_system. target_for_geodetic Each simple_coordinate_system may be a target for one or more geodetic_transformation. earth_feature Each transformation_earth_usage must be defined for use within one and only one earth_feature. coordinate_transformation Each earth_feature may described using one or more transformation_earth_usage. coordinate_transformation Each transformation_earth_usage must be an area of use for one and only one coordinate_transformation. coordinate_transformation_aoi Each coordinate_transformation may be defined for use within one or more transformation_earth_usage. source_offset_unit Each coordinate_transformation may have source offset in one and only one ref_unit_of_measure. source_offset Each ref_unit_of_measure may be the source unit for one or more coordinate_transformation. target_offset_unit Each coordinate_transformation may have target offset in one and only one ref_unit_of_measure. target_offset Each ref_unit_of_measure may be the target unit for one or more coordinate_transformation. ref_parameter_attribute Each transformation_parameter may be constrained to one and only one ref_parameter_attribute. transformation_parameter Each ref_parameter_attribute may be referenced by one or more transformation_parameter. vertex_value Each transformation_parameter_value may use one and only one vertex. transformation_parameter_value Each vertex may be used by one or more transformation_parameter_value. transformation Each transformation_parameter_value must be used by one and only one coordinate_transformation. parameter_value Each coordinate_transformation may have one or more transformation_parameter_value. concatenated_transformation Each transformation_path must be utilized by one and only one concatenated_transformation. transformation_path Each concatenated_transformation must utilize< two or more transformation_path. transformation_parameter Each transformation_parameter_usage must represent the use of one and only one transformation_parameter. parameter_usage Each transformation_parameter may be referenced by one or more transformation_parameter_usage. parameter_usage Each transformation_parameter_value must provide a value for one and only one transformation_parameter_usage. parameter_value Each transformation_parameter_usage may be evaluated as one or more transformation_parameter_value. single_transformation Each transformation_path must utilize one and only one single_transformation. transformation_path Each single_transformation may be utilized by one or more transformation_path. transformation_method Each transformation_parameter_usage must describe a parameter for one and only one transformation_method. parameter_usage Each transformation_method may utilize one or more transformation_parameter_usage. transformation_method Each single_transformation must be defined by one and only one transformation_method. single_transformation Each transformation_method may be used by one or more single_transformation. transformation_method Each map_projection must be defined by one and only one transformation_method. map_projection Each transformation_method may be used by one or more map_projection. map_projection Each projected_2d_coordinate_system must be created using one and only one map_projection. projected_2d_coordinate_system Each map_projection may be used in the creation of one or more projected_2d_coordinate_system. concatenated_transformation coordinate_transformation earth_feature geodetic_transformation map_projection projected_2d_coordinate_system ref_parameter_attribute ref_unit_of_measure simple_coordinate_system single_transformation transformation_earth_usage transformation_method transformation_parameter transformation_parameter_usage transformation_parameter_value transformation_path vertex