msip setup autoslicer 200408

8/10/2019 MSIP Setup Autoslicer 200408

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MineSight Foregroundint

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If you want to use the AutoSlicer Tool in MineSight

Interactive Planner (IP) to create cuts targeted onreserve tonnage, there are setup options available on the Materialstab page dialog that you can use to selectthe cutoff bins used to sum. This article reviews the Material Setsdialog with respect to the AutoSlicer optionsand shows the results after using the AutoSlicer to create cuts targeted on reserves.

Figure 1. Material Setstab page dialog in the MineSight

IP Tool set up. These views are of the same dialog and setup, but one has the ShowAutoSlicer Setuptoggled ON(circled in red) and the other does not. The view on the right has the Show AutoSlicer Setuptoggled ON; noticethe blue columns with checkboxes adjacent to each of the cutoff bins, as well as the helpful information at the bottom of the dialog, on the right.

Using the AutoSlicer Setup, you can control which cutoff bins you want the AutoSlicer to sum in order toreach the target value. By default, all cutoffs and zones will be used. To control which cutoff bins are used toachieve the target, on the Material Setstab page dialog in IP, toggle ONthe Show AutoSlicer Setup(as shownin Figure 1). Then you can toggle ON/OFFindividual cutoffs that are to be used for accumulation, or you canselect or unselect globally (Select All/Unselect All). To use the global options, click into one of the blue columnsof toggles located adjacent to individual cutoff bins and click-right. An options setup menu will be displayed(as shown in Figure 2). This right-click menu allows you to globally control which toggles are selected (orunselected), either all, or by column or row. It also allows you to add, insert, or move zones on the dialog.

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Setup for Autoslicer in MineSightInteractive Planner


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Figure 2. Options setup menu.

Using the setup shown in Figure 1, the AutoSlicer will be used to design cuts targeting on reserve tonnage,only for ore(high, medium, and low grades) in this example. Notice that the wastecategory is toggled OFFonthe Materials Setstab page dialog. In this case, material in the waste category will not be considered by theAutoSlicer as the cuts are created.

Once the Areaand Material Setshave been set up and saved, click on the Design Cutsbutton in the IPTooldialog. Once in the IP Cut Designdialog, click on the AutoSlicer icon to display the AutoSlicertooldialog. In this example, a previously created polygon that could represent a layback between two pit phases isused (Figure 3).

Figure 3. This gure shows the Maintab page dialog in the AutoSlicertool, and the viewer showing the layback (yellow polygon) in which wewant to create cuts, plus the model view displayed at the working level (2510). The pink line will be the lead lineused by the AutoSlicer. Note: inIP, the Targetobject is ignored because the cuts created by the AutoSlicerare saved to the Plan.

Going through the AutoSlicertool setup panels, we are targeting on reserves using a target of 10,000 tonnesfor each of the cuts in this layback (Targettab), the direction is along the lead line(Directiontab), and the newcuts will be names using the original element name, counted using an increment of 1, and including the planenumber (2510) (Namingtab), as shown in Figure 4.

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Figure 4. This gure shows three of the four AutoSlicertab dialogs. Note: on the Namingtab dialog the Material name is the same as a slice

nameis ignored in IP.

Click on Previewto rst create the slices, followed by Applyto save them to the IP plan (Figure 5).

Figure 5. Shows cuts created by the AutoSlicerin the IP Toolwithin a layback, targeted on reserves. The rst cut, named Region 1.1.00. islocated in the upper-right portion of these pictures.

Open the rst cut (Region 1.1.00.) and run the script, ip-accum.py. Itwill report the cut reserves to the screen, as shown in Figure 6. Per the setupon the Material Setstab, the reserves are binned by the cutoffs selected. Asshown in Figure 6, there are 4,141 tons of high grade, 0 tonnes of mediumgrade, and 5,859 tonnes of low grade, for a total ore tonnage of 10,000tonnes, which matches the target tonnage specied in the AutoSlicersetup(Targettab, Figure 4). Note: there are 5,710 tonnes of waste in this cut. Sinceit was excluded from consideration, any waste tonnage was not included inthe target tonnage, just the ore tonnage.

Figure 6. Shows cut reserves for the cut Region 1.1.00. as calculated using the script,ip-accum.py.

msip setup autoslicer 200408

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