What is Implicit Modelling?

Implicit modelling is the fast and automated formation of surfaces such as grade, faults and alteration directly from geological data. Explicit modelling is what is considered the ‘traditional’ manual method of wire framing and digitising.

Leapfrog pioneered the implicit modelling method of geological modelling, which has been rapidly adopted around the world as it significantly speeds up the modelling process, and allows models to be automatically updated as data is adjusted. The Leapfrog engine takes care of the labour intensive and repetitive work, to give you more time for interpretation and the consideration of multiple hypotheses.

Are all implicit modelling engines created equal?

The quality of an implicit modelling engine lies in the algorithms that determines how known data points are used to imply (or estimate) unknown data points to create surfaces. Radial Basis Functions (RBF’s) are the basic method to do this, however they have their limitations.

Many years of research by leading mathematicians culminated in the creation of FastRBF™, the industry revolutionising algorithm that powers Leapfrog.

The main difference between traditional RBF’s and FastRBF™ is its ability to deal with very large datasets of well over 1,000,000 points incredibly quickly, and on ordinary computing hardware. FastRBF™ also has extraordinary extrapolation capabilities, even when large gaps occur in a data set.

FastRBF™ and the algorithms behind it have been continually improved to specialise in modelling geology since Leapfrog was launched in 2004. It is widely regarded as the most superior implicit modelling engine on the market.


The evolution of earth modelling

The high-tech earth modelling we love today started with a little gold (a filament to…

Why implicit modelling?

Geology is a science rather than an engineering discipline because it models the real world…
Implicit Modelling

Reducing geological risk

Geologic risk is the subjective measure of the willingness of the modeller to put all…
Implicit Modelling

Role models

Adapted from the medical industry, the increasing speed and flexibility of implicit modelling software have…
Implicit Modelling

Can implicit methods be used to model complex geology?

How Votorantim used Leapfrog to model a complex nickel deposit
Case Studies

Rapid visualisation and modelling of geological data

The rapid development of a 3D model has been a goal in MMG’s exploration programs…
How-To & Guides

Validating an implicit model

Implicit modelling was first made well known by Leapfrog, now more have picked up the…
Implicit Modelling

The future of geological modelling

One of the biggest gaps in mining-industry geoscience is between our understanding of ore deposit…
Implicit Modelling

Is implicit modelling reliable enough for use in resource domaining?

The mining industry has resisted the acceptance of resource domain wireframes derived using implicit methods.