The Rotterdam gate (left) and the barbican of the Rotterdam gate (right) in the process of being finished by applying a photo-finish to the Computer Aided Design (CAD) structure.
Note the Rotterdam gate does not yet have the necessary gate opening in the wall to walk through - and the draw bridge is a single one, not yet of the double type.
Image reated by Patrick Hogenboom & Vincent Robbesom, Cross Worlds, The Hague.
Thanks to the Technische Universiteit Delft, ir. Edward Verbree, Section Geo Informatics, subfaculty of Geodesy. Thanks also to students and Specialists Geographical Information-System (GIS), Geodesy: Rik Germs; Gert van Maren; Merlijn Simonse; Axel Smits & last but not least Ingrid Alkemade, project manager.
A special thanks also to CrossWorlds bv, The Hague - where Ingrid Alkemade had her internship - for rescuing the project in the face of the looming deadline, and for applying the finishing touches: Martin van den Berg, Patrick Hogenboom & Vincent Robbesom.
Thanks to prof. dr. ir. Erik Jansen, section Technische Wiskunde en Informatica, & T.C.J. Balt, Geoinformatie / Beheer en Milieu, Gemeente Delft. Both set me on the right track.
This image too is under copyright 1998. Please contact Kees Kaldenbach before you copy , store or print this image.