Reserve Calculation Techniques

Using Benching and Batters - Limit Polygon Creation

Grid Calc Macro: DEMOBNCHLIMITS.GDC_CMND

This Grid Calc macro creates limit polygons for each bench.

! Filename: demobnchlimits.gdc_cmnd
!
! 
!
! Generates the aerial extent for each overburden bench.  Creates a new database called: 
! demobnchlimits.dgd and stores each limit line in a layer called "<horiz./bench>lim"
! eg, ob3lim, alim, etc.
access_specs/area="ALL"/access_specs
DESIGN_DB_ACCESS/CREATE_DATABASE/AREA=bnchlimits
! Coal
EDIT/EQUATION=B2.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(b2lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=B1.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(b1lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=B1.MD
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(b1plim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=A.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(alim,cnt0.1)/COLOUR=32/LINE_TYPE=0
! Overburden
EDIT/EQUATION=OB1.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(ob1lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=OB2.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(ob2lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=OB3.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(ob3lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=OB4.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(ob4lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=OB5.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(ob5lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=OB6.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(ob6lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=OB7.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(ob7lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
EDIT/EQUATION=OB8.TK
CONTOUR/LEVEL=(0.1)/POLYGON/PLOT/GREATER/SAVE=(ob8lim,cnt0.1)/COLOUR=32/LINE_TYPE=0
closegrids