MSEngines-contour_mscode_SolidExpand-200803_2.pdf

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Volume 24, Number 3, March 2008

2008 Training Schedule... page 11

Current Affairs:Three New Standalone Engines: con-tour, mscode, and SolidExpand.. page 1

Tips from Tech SupportHow to Create Grade Shells... page 8

Mintec Directory... page 10

Mintec, Inc.s Annual Seminar Will BeHere Soon... page 10

Trade Shows and Seminars... page 12

Web-based Training... page 12

Inside This Issue:

Three tools in MineSight3-D (MS3D) v.4.00 were also released on the 2007 Update CD as new standaloneengine programs: contour.exe,mscode.exe, and SolidExpand.exe.

Like the other standalone engines (pclip.exe, clip.exe, union.exe, voxel.exe, etc), these enginesare run outside of MS3D, and are executed from the command line using a specic syntax. For help withthe syntax, use the hoption on the command line. Or you can refer to the standalone engines help le,StandaloneEngines.chm.

Since the standalone engines are executed from the command line, they can be used in MineSight

Compass Multi-Run packages (via procedure, runcmd.dat) or they can be run in batch mode.

Contour

Three New Standalone Engines:

contour, mscode, and SolidExpand

Current Affairs

The standalone engine, contour.exeis derived from the ContourToolinside MS3D (found on either the Polylineor Surfacemenus).While the Contour Toolallows you to contour a surface with elevations,or contour drillhole or model items on a level or on a surface, the

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(Three New Standalone Engines: contour, mscode, and SolidExpand

continued from page 1)

standalone engine works only with shell (.shl) lesto contour elevations.

To contour an existing surface (.msr) outside ofMS3D from the command line, the surface must rstbe exported to shell (.shl) ASCII le format. From

the Surfacemenu inside MS3D, go to Export | Shellfle. Then select the surface to be exported, give it aname in the le chooser dialog and click on Save.

The shell le is an ASCII le that consists of PointCount, Face Count, Point List, and Face Listinformation.

The required command line syntax to use forstandalone engine, contour.exeis:

contour -ishl -osrv

-l [elevations to

contour]

Required switches:

-ish Input shell le- this command must befollowed by the name of the existing input

.shlle.

-osrv Output survey le- this command is followedby the name output le that contour.exewill create and contain the resulting contourdata.

-l Levels- this option species the elevation

levels to be contoured. A range of levels can bespecied using a starting elevation, a stepsize and the number of levels to contour, or

you can specify the individual levels tocontour with comma separation. You can alsouse a combination of both methods.

For example:

-l [100,10,5] means that contouring starts onlevel 100, step by 10, and contour the next 5levels so that levels 100, 110, 120, 130, and 140would be contoured.

-l 10,20,30,40,80,100will contour only thoseparticular levels that are specied. Note: donot use spaces in the levels format.*

-1 150,[10,2,5] this option uses a combinationof the above syntax. In this case, levels 150, 10,12, 14, 16, 18, and 20 would be contoured.

*If spaces must be used, use double quotes, i.e.,1,2, 3 [4, 1, 10].

Optional switches:

-idx Index option is used to output the contourindex level in the output survey le as thepoint code (output in columns 1-4 in theoutput le). If this option is not used, then apoint code of noneis used.

For example, if the contours are on the 40thlevelfrom the specied base elevation, then the point codewill be 0040 (as shown in the examples below).

Output ASCII les generated by contour.exewith and without

using the -idxoption.

-e Exact option is used to force the programto use exact contours and not bump upthe values. This option is the same as theContour coincident faces and edges optionin the Contour Toolinside MS3D. It is usedwhen contour edges fall exactly on one of thespecied contour increments.

The following illustrations show the resultsfrom contouring the same surface (shell le) withand without using the -eoption. (The results wereimported into MS3D to illustrate the differences in thetwo methods for purposes of this article).

Notice in this case, when using the -eoption,numerous polyline segments are generated and all arealong the exact contours. Without using the -e


Output not using the -idxoption

Output using the -idxoption


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(Three New Standalone Engines: contour, mscode, and SolidExpandcontinued from page 2)

option, if points are detected exactly on a level, thencontours are bumped up by a very small amount (anamount equal to oat epsilon, a very small number).

Contours generated by the standalone engine, contour.exeusing the-eoption. Notice the polylines in the center of the picture (in the saddle),in particular the highlighted segment (in yellow).

Contour results from contour.exewithout using any of the optionalswitches (without the -eoption).

-t Tolerance option- is used in conjunction witha given tolerance value to detect coincidentpoints. It should be used when the surfacecontains many areas with numerous minutechanges within the tolerance range.

-b Used with a specied value, this option

is used for bumping up the elevation toremove coincident faces and edges. It can onlybe used when the -e option is not specied.

Contour results from contour.exeusing the -boption with aspecied value of 2.

-q Quiet option except for any error messages,this option is used to suppress all screen

output.

Example

Using an existing surface (.msr) from MS3D,export it to .shlle format (Surface menu | Export)to create the input le necessary for contour.exe.

The surface msr object in MS3D used in this example.

Then use the following syntax to contour froma base elevation of 2,000 ft and use a step size of15 ft with a step count of 64. In this example, thesurface will be contoured using this particularprojects minimum elevation for the base elevation,the projects cell size (dz) as the step size, and a step

count equal to the number of benches in the project.contour ishl topo.shl osrv

topocontours.srv l [2000,15,64]

This creates an output le called, topocontours.srvin a column delimited .srvformat ASCII le (anexample of which is shown above). The columns inthe output le (leftright) consist of the point code,Easting, Northing, and elevation. If the -idxoption isused, the point code is equal to the



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contour index, or level number in the step count.Otherwise, noneis used at the default index value.

Once the resulting output le has been created,the data can be imported into MS3D for you to viewit in 3-D.

Result from contouring using contour.exe, viewed inside MS3D.

Original topographic surface + contours.

mscodeThemscode.exestandalone engine is used

to code drillhole intervals or model blocks frompolygons or solids. It can also be used to generate apartials le and not code the model.

Drillholes and a model view slab shown with a series of cross sectionsthat contain geology polygons before coding.

Drillhole intervals and model view slab after coding from polygons usingmscode.exe.

The geometry to be used for coding must exist in anMS3D project and is accessed bymscode.exevia atemplate le. Template les are created in MS3D using

the Geometry Set Editorfollowed by the Exportoption in Model View Codingor Drillhole ViewCoding. Template les are saved with the extension,.mscode. Different template les should be createdfor model view coding and for drillhole coding.

Geometry sets are created in the Geometry Set Editor.

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Drillhole View Properites | Code DHtab dialog (on the previouspage) and the Model View Editor | Code Modeltab dialog (above).The Exportbutton on either dialog is shown circled in red. As indicatedby the blue outline on either dialog, in Drillhole Views, GeometrySetsare created and accessed via the Code DHtab dialog and inModel Views, Geometry Setsare created and accessed via theGeometrytab dialog.

The template le is an XML le. Althoughmodifying this le is not recommended, it can bemodied with a text editor. It contains informationabout the Geometry Set(location, .msrlenames, etc.) as well as the Drillholeor Model Viewinformation. Comments inside the le documentidentify the various values it contains.

The Template le created in MS3D contains information about theselectedGeometry Setand about the MineSightdrillhole and/ormodel le.

The required command line syntax to use forstandalone engine,mscode.exeis:

mscode -t -o

Required switches:

-t Template le- this command must befollowed by the name of the existing templatele (*.mscode).

Optional switches:

-o Output partials le- this command must befollowed by the name of the output partials

le to be created. When this option is used, apartials le will be created and the model willnot be coded.

This option is only available when usingtemplate les that code models. Multiplesessions will overwrite, rather than append,values to the specied le. The output le



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is written in MineSightprogram, M659V1format:

Bench, Row, Column1, Partial1,Column2, Partial2, Bench,Elevation

All blocks with column numbers betweenColumn1 and Column2 have partial 100%.

[Note: Documentation for program M659V1 isfound in %medexe%\doc\M600.PDF].

-r Real (oating point)- use this option tooutput percent values in the partials le as real(oating point) values. This option invokes theFree format (-f)switch.

-f Free format this option is used to outputthe partials le in free format. Free formatoption guarantees spaces between entries.

-np No progress- this switch is used to suppress

the progress display. By default, whilemscode.exeis running, progress meter

percentiles are output to the screen. The -npoption will avoid printing that list.

-q Quiet except for error messages, this optionsuppresses all output.

Note: When coding from polygons, wherethere are unresolved model blocks or drillholeintervals, the plane name or plane locationas well as the number of unresolved blocksor intervals will be reported to the messagewindow. Unresolved blocks or intervals occur

when there is an overlap of polygons withdifferent codes.

Example

To output the following partials le (output.prt)in free format, the following syntax was used:

mscode -t newsletter.mscode -o output.

prt -f

Shown is the top of the partials les (output.prt) created bymscode.exe. This partials le is in program M659V1 column-

delimited format (LR): Bench, Row, Column, Partial Percent,Column, Partial Percent, Bench, Elevation.

SolidExpand

Solids displayed in 3-D are shown both before and after expansion (thebefore solid is shown enclosed within the after). This solid expansion wasaccomplished using theSolidExpand.exestandalone engine and theresult was then imported into MS3D for 3-D visualization.

The standalone engine, SolidExpand.exeis usedto expand MineSightshells isotropically by a user-

specied amount. This program is the standaloneversion of the Solid Expansion Toolfound on theSurfacemenu inside MS3D.

The SolidExpandstandalone engine is executedfrom the command line and works only with shell(.shl) les.

To use an MS3D solid, rst export the geometry.msrle to .shloutput format (Surface | Export).

The required command line syntax to use forstandalone engine, SolidExpand.exeis:

SolidExpand I -O

-offset Required switches:

-I Input- this option must be followed by thename of the existing input shell lename.

-O Output- this option must be followed by theoutput shell lename to be created by thisstandalone engine.



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(Three New Standalone Engines: contour, mscode, and SolidExpand continued from page 6)

-offset Offset value this option must be followed by the value to expand the solid(s). Use a positive value to

expand and a negative value to shrink a solid(s).

Optional Switches:

-a Accuracy level- enter 0 or 1; 0 for lower accuracy, 1 for higher accuracy. Accuracy is proportionalto the absolute value of the expansion width. Expansion done using the high accuracywill perform

the expansion in a sequence of smaller expansions, thereby increasing the accuracy. However, thismethod will use more of your computers resources. If your input shell data contains many faces andpoints, you may want a higher level of accuracy in the result.

-dat Data directory- use this option together with the complete path to the directory where the input shellle is located.

Future versions of the SolidExpand.exestandalone engine will include the ability to expand in differentdirections, nd the center of mass, compute the solids area, etc.

Example

In the pictures shown below, grade shell solids are expanded by 15 ft using the SolidExpand.exestandalone engine.

Grade shell solids before expansion.

The grade shells were rst exported from MS3D to a shell le (via Surface | Export) and put in thedirectory, c:\inputshells. This shell le is the input for SolidExpand.exe. The shells were thenexpanded using the following syntax and the result was saved to another shell le called, gradeshells_expanded.shl. The pictures show the resulting solids shell le after it was imported into MS3D to showthe results in the 3-D viewer.

SolidExpand dat c:\inputshells I gradeshells.shl O gradeshells_expanded.shloffset 15

These new standalone engines are installed as part of the 2007 Update CD. If you have any questions aboutthe standalone engines, please contact Mintec Technical Support.

Grade shell solids after expansion (shown with transparency on)surrounding the original grade shells.

MSEngines-contour_mscode_SolidExpand-200803_2.pdf

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