Introduction

Utility networks are related to a land base by digitised overlay or off-set measurements. These relations may be of cartographic or survey accurate nature.

Should change to the land base occur, conventional ‘rubber sheeting’ methods are error-prone and labour intensive while conventional GIS techniques to address the problem are very expensive.

Changes to the land base will be on-going, so a methodology is required to fix the problem now and in future in the most efficient way.

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Product Evolution

1990
Hesse, W.J., Williamson, I.P., “A Review of Digital Cadastral Data Bases in Australia and New Zealand”,  The Australian Surveyor, Vol. 35, No. 4.;  First systematic Australia/New Zealand DCDB Review; Researching User Requirements and Solution Design

1993
Hesse, W.J., Williamson, I.P., “MAGIC revisited: An Object-Oriented Solution to the Cadastral Maintenance Problem”,  The Australian Surveyor, Vol. 28, No. 1.; First academic, non-commercial prototype of adjust.IT

1998
Justin Eldridge, J.; Homburg, R.; Patchett, T.; Hesse, W. : “Problems Maintaining Your Spatial Reference System? - adjustIT: we-do-IT”,  Proceedings of the Smallworld ’98 International Conference, Barcelona; First commercial BETA release of adjust.IT

2002
Rowe, G. “The Survey Conversion Project – Making a Survey-Accurate Digital Cadastre for New Zealand a Reality”,  First production strength adjust.IT version; used on $100m+ project to create a survey-accurate cadastre for New Zealand

2003 - 2005
Product adaptation for the needs of the International Utilities Market

2006
Eldridge, J.; “Tacoma Power's Shifting Landbase - Issues and Solutions”,  TenSails GITA Symposium; Report on successful Tacoma Power Pilot

2008
Hersant, C.; Eldridge J., 2008; "A positive Return on Investment (ROI) Case Study: The Energy Australia Digital Cadastre Upgrade Project",  Seminar Geospatial ROI: Justification Made Easy, GITA Conference 31, March 9-12, Seattle

2009
Used on production sites in USA, Canada, Germany, Australia and New Zealand