Schema: scan_data_3d_shape_model_schema

Source : ISO 10303-42



SCHEMA scan_data_3d_shape_model_schema;

 REFERENCE FROM measure_schema   -- ISO 10303-41
  (global_unit_assigned_context,
   positive_length_measure);

REFERENCE FROM representation_schema   -- ISO 10303-43
  (representation,
   representation_item,
   using_representations);

REFERENCE FROM product_property_representation_schema   -- ISO 10303-41
  (shape_representation);

REFERENCE FROM support_resource_schema   -- ISO 10303-41
  (label);

REFERENCE FROM geometry_schema   -- ISO 10303-42
  (axis2_placement_3d,
   geometric_representation_item,
   geometric_representation_context);


TYPE point_cloud_set_or_superset = SELECT
   (point_cloud_dataset,
    point_cloud_superdataset);
END_TYPE;

ENTITY point_cloud_dataset
  SUBTYPE OF (scanned_data_item);
  point_coordinates : LIST[1:?] OF LIST[3:3] OF REAL;
END_ENTITY;

ENTITY point_cloud_dataset_with_colours
  SUBTYPE OF (point_cloud_dataset);
  colour_indices : LIST[1:?] OF LIST[3:3] OF INTEGER;
WHERE
  WR1: SIZEOF(colour_indices) = SIZEOF(SELF\point_cloud_dataset.point_coordinates);
END_ENTITY;

ENTITY point_cloud_dataset_with_intensities
  SUBTYPE OF (point_cloud_dataset);
  intensities : LIST[1:?] OF REAL;
WHERE
  WR1: SIZEOF(intensities) = SIZEOF(SELF\point_cloud_dataset.point_coordinates);
END_ENTITY;

ENTITY point_cloud_dataset_with_normals
  SUBTYPE OF (point_cloud_dataset);
  normals : LIST[1:?] OF LIST[3:3] OF REAL;
WHERE
  WR1: SIZEOF(normals) = SIZEOF(SELF\point_cloud_dataset.point_coordinates);
END_ENTITY;

ENTITY point_cloud_superdataset
  SUBTYPE OF (scanned_data_item);
  pts_per_sublist : INTEGER;
  sublists : LIST[2:?] OF point_cloud_dataset;
WHERE
  WR1: consistent_sizes(SELF.pts_per_sublist, SELF.sublists);
END_ENTITY;

ENTITY scan_3d_model
  SUBTYPE OF (scanned_data_item);
  scanner_info : SET[1:?] OF scanner_property;
  scanned_points : SET[1:?] OF scanned_data_item;
WHERE
  WR1: SIZEOF(QUERY(tmp <* scanned_points | 'SCAN_DATA_3D_SHAPE_MODEL_SCHEMA.SCAN_3D_MODEL' IN TYPEOF(tmp))) = 0;
END_ENTITY;

ENTITY scan_data_shape_representation
  SUBTYPE OF (shape_representation);
  SELF\representation.items : SET[1:?] OF scanned_data_item;
WHERE
  WR1: 'REPRESENTATION_SCHEMA.GLOBAL_UNIT_ASSIGNED_CONTEXT' IN TYPEOF(SELF\representation.context_of_items);
END_ENTITY;

ENTITY scanned_data_item
  SUPERTYPE OF (ONEOF (point_cloud_dataset,
                       point_cloud_superdataset,
                       triangulated_point_cloud_dataset,
                       scan_3d_model))
  SUBTYPE OF (geometric_representation_item);
WHERE
  WR1: SIZEOF(QUERY(using_rep <* using_representations(SELF) | NOT ('SCAN_DATA_3D_SHAPE_MODEL_SCHEMA.SCAN_DATA_SHAPE_REPRESENTATION' IN TYPEOF(using_rep)))) = 0;
END_ENTITY;

ENTITY scanner_basic_properties
  SUBTYPE OF (scanner_property);
  scanner_identification : label;
  scanner_location : axis2_placement_3d;
  scanner_uncertainty : OPTIONAL positive_length_measure;
END_ENTITY;

ENTITY scanner_property
  ABSTRACT SUPERTYPE
  SUBTYPE OF (representation_item);
END_ENTITY;

ENTITY triangulated_point_cloud_dataset
  SUBTYPE OF (scanned_data_item);
  points : point_cloud_set_or_superset;
  triangles : LIST[1:?] OF LIST[3:3] OF INTEGER;
END_ENTITY;

FUNCTION consistent_sizes
 (max : INTEGER; point_lists : LIST OF point_cloud_dataset) : BOOLEAN; 
  LOCAL
  ndatasets : INTEGER := SIZEOF(point_lists);
  result : BOOLEAN := TRUE;
    END_LOCAL;
      REPEAT i := 1 TO (ndatasets - 1);
    IF (SIZEOF(point_lists[i].point_coordinates) <> max)
    THEN
      result := FALSE;
      RETURN(result);
    END_IF;
  END_REPEAT;
      IF (SIZEOF(point_lists[ndatasets].point_coordinates) > max)
  THEN
    result := FALSE;
    RETURN(result);
  END_IF;
      RETURN(result);
END_FUNCTION;

END_SCHEMA;  -- scan_data_3d_shape_model_schema