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Almost any superficial feature can be modelled as a DTM, including natural topography, lithological contacts, bedrock/overburden contact, or water tables.ĭTMs must come from String data. Surfaces are used in Surpac for such things as 3D visualization and for calculating volumes. The resulting DTM can be thought of as an undulating patchwork quilt made up of triangular patches.Ī Digital Terrain Model (DTM) is how Surpac models surfaces.
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The software chooses the joins to produce the best-conditioned triangles - ie. The joining process continues until the surface consists only of non-overlapping triangles. It is formed as a combination of those string lines, and of lines joining points on strings. Surface Modelling Concepts A digital terrain model (DTM) is made up of a surface joining adjacent strings. You can then refine and add to this workflow to meet your specific requirements. It is not intended to be exhaustive in scope, but will show the work flow needed to achieve results. Objectives The objective of this tutorial is to allow you to work with some Surface Modelling tools. To have Surpac Vision v5.2 installed on your computer The data set accompanying this tutorial Basic knowledge of Surpac string files and editing tools
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If you are a new Surpac Vision user, you should go through the Introductory Guide to Surpac Vision training manual before going through this manual.
We recommend that you be at least comfortable with the procedures and concepts in the Introductory Guide to Surpac Vision training manual. Requirements This tutorial assumes that you have a basic knowledge of Surpac Vision. By working through this manual you will gain skills in the construction, use of and modification of DTMs. This document introduces the theory behind surface modelling processes and provides detailed examples using the surface modelling functions in Surpac Vision. Introduction Surface Modelling allows us to use triangulation to create two-dimensional models known as Digital Terrain Models (DTMs). 20 Applying a boundary string to trim a DTM. Contributors Rowdy Bristol Kiran Kumar Phil Jackson Surpac Minex Group Perth, Western Australia Product Surpac Vision v5.2
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If you have any difficulties or questions while working through this manual feel free to contact your local Surpac Minex Group Office.
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However, it will give new users a starting point and existing users a good overview by demonstrating how to use many of the functions in Surpac Vision. The applications contained within this manual are by no means exhaustive as the possible uses of the software are only limited by the user’s imagination. About This Manual This manual has been designed to provide a practical guide to the many uses of the software. All brand and product names are trademarks or registered trademarks of there respective companies. Neither is any liability assumed for damage resulting from the use of the information contained herein. Surpac Minex Group Pty Ltd Level 8 190 St Georges Terrace Perth, Western Australia 6000 Telephone: (08) 94201383 Fax: (08) 94201350 While every precaution has been taken in the preparation of this manual, we assume no responsibility for errors or omissions.
For such permission, or to obtain extra copies please contact your local Surpac Minex Group Office. Without written permission you may not sell, reproduce, store in a retrieval system, or transmit any part of the documentation.
Surpac Minex Group Pty Ltd publishes this documentation for the sole use of Surpac licenses. This software and documentation is proprietary to Surpac Minex Group Pty Ltd.