Chapter 3.2 Local position

Position of aspect models

Because we work with several aspect models - rather than one all-encompassing model - it is necessary to coordinate the position of the various aspect models in relation to the point of origin.

• At the beginning of the process, the point of origin is carefully defined by the initiator so that it can be used throughout the life cycle.
• The point of origin is the basic starting point of a coordination model.
• Check whether the aspect models are superimposed correctly when working with several aspect models.

Practical considerations

• It is recommended that the distance from the point of origin to the intersection of the first pattern in the x and y directions be such that the point of origin is outside the construction.
• If necessary, place a coordinated reference object at the point of origin for mutual coordination. In that case, make sure that this reference object is outside the construction and take into account the z-direction and a 100% overlap with each reference object in the other aspect models.
• The geo-reference of the point of origin can be given as a property to the model, so that it can be displayed in GIS viewers at the right place in the world.