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MICROMINE 2013

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G L O B A L P R E S E N C E

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What’s New On Micromine 2013... 

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Implicit Modelling

• Radial Basis Function (RBF)

• Features:

- Surface Modelling

- Fault Surface

- Grade Shell- Lithology Modelling

- Wireframing Smoothing

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The term “Implicit modeling” was introduced

into the minerals industry by Jun-Cowan in a

paper written in 2003 which is available from

the Orefind website.

Before that paper, it was only described in the

computer graphics literature. However it has

a very specific definition.

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First of all the defiiniton of explicit modelling.

Explicit modelling is basically a method to explicitly define

all shape nodes whether this is done bay hand(usually) or using a computer algorithm.

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Implicit modelling on the other hand involves forming a

mathematical expression (a function) of the data first

and saving this on the computer. Wireframe and block

models are then generated by interrogating this

function.

The formulation of this mathematical function (e.g.

Kriging, RBF, or 3D spline) is essential in the implicit

modelling methodology.

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STRATIGRAPHIC MODULE

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VISIT US AT BOOTH NO. 9

~ Graeme Tuder