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GRTON - calculate grades and tonnages from a gaussian anamorphosis

 

Process Name

Menu Path

Link to Command Table

GRTON

Access using command line only

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Introduction

Calculate grades and tonnages using results from a Gaussian anamorphosis.

The process GAUSAN must have been run previously to create a file of the polynomial coefficients.


Files, Fields and Parameters

Input Files

Name

Description

I/O Status

Required

Type

POLYNO

Input file containing polynomial coefficients. This file is created as output by process GAUSAN. The following fields are required: POLYINDX - polynomial index number [0,1,2,..] COEFF - the polynomial coefficient. POLYNUM - the number of polynomials used in the transformation.

Input

Yes

Undefined

Output Files

Name

I/O Status

Required

Type

Description

QTN

Output

Yes

Undefined

Compulsory output file containing grade and tonnage values for different cut-offs. Change of support calculations are NOT used. It includes the following explicit fields: CUTOFF - actual cut-off grade ANAMOR - gaussian anamorphose TONABOVE - ratio of tons mined above cut-off METABOVE - ratio of metal recovered above cut-off GRDABOVE - average grade above cut-off TONBELOW - ratio of tons mined below cut-off It also includes the following implicit field. CHSUPP - change of support variable. This is always set to 1.

QTR

Output

No

Undefined

Optional output file containing grade and tonnage values for different cut-offs. Change of support calculations ARE used. It includes the following explicit fields: CUTOFF - actual cut-off grade ANAMOR - gaussian anamorphose TONABOVE - ratio of tons mined above cut-off METABOVE - ratio of metal recovered above cut-off GRDABOVE - average grade above cut-off TONBELOW - ratio of tons mined below cut-off It also includes the following implicit fields. CHSUPP - change of support variable. BLOCKVAR - block variance, as defined by parameter BLOCKVAR.

Parameters

Name

Description

Required

Default

Range

Values

SUPPORT

Change of support flag:

Option

Description

0

Support change calculations not used

1

Support change calculations used The default value is (0).

No

0

0,1

0,1

BLOCKVAR

The block variance. This parameter is compulsory if a change of support is required; ie if SUPPORT=1.

No

Undefined

Undefined

Undefined

MAXITER

Maximum number of iterations. The default value is (100).

No

100

Undefined

Undefined

PRINT

Controls the amount of text displayed: The default value is (0).

Option

Description

0

Minimum output to screen

1

As 0 + grade/tonnage results

2

As 1 + display for each iteration

No

0

0,2

0,1,2