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There are 3 main steps to post-cruise stratification:
Review available information
Update Stand boundaries
Validate plots
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Collecting line features in MobileMap via GPS tracking or heads-up digitizing
Recording notes on which plots fall into the proposed new Stands
The image below If collecting line features in MobileMap, make sure that the appropriate layer is visible on your Map in InventoryManager. If it is present on the map, but not displayed, click the eye icon to toggle visibility to on. If you do not see it listed in the map legend, talk to your administrator and ask that this layer be added to the map.
Update Stand Boundaries
While Stand boundaries can be updated in MobileMap for most users, we strongly recommend that InventoryManager be used to update Stand Boundaries. This is because it is typically easier to use InventoryManager’s tools, the larger and brighter screen, and additional flexibility in base maps when editing Stand boundaries.
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In the example above, one plot was skipped in the field because it lay in a large forest opening. If the goal is to remove this area (shape and acreage) from its parent stand, then InventoryManager can be used to cut a donut hole in that stand. It can be useful to note the Stand acres prior to cutting a donut hole, in order to confirm the updated acres after the edit.
To cut a donut hole in a stand, first select the stand by clicking on it (when selected it should have a yellow highlight). Next enable vertex editing on the Stand clicking the vertex editing icon (1) above the Stand attributes. (2) Next, select the polygon tool on the map editing tools that appear on the upper left portion of the map. (3) Next, begin digitizing a polygon by clicking at one point along the donut hole boundary, and then (4) click to add vertices at every bend in the donut hole. To complete the donut hole, click the double click (or click the initial vertex).
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Once the donut hole has been digitized, it will be displayed as a blue polyon polgyon on the map (6). Next, click ‘Cut shape’ (7) to complete the operation.
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inform InventoryManager of the desired action.
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Once ‘Cut shape’ has been clicked, the boundary of the Stand, including the proposed donut hole, are shown in solid yellow outline (8). To save the change, click the Save (disk icon) button on the Stand attribute panel.
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The edit information for the last edit will be displayed in the Stands attribute panel. Note the updated acres to confirm that this matches expectations. In this example the acreage dropped from 158.4 to 155.77 which is consistent with the size of the donut hole that was created (2.6 acres). If additional donut holes need to be created, repeat the process described above.
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Since no new Stands are created, it is not necessary to use the Validate tool to re-assign Plots. Plots in the donut holes, however, will still be assigned to their parent (containing) Stand. Since the acreage of the donut hole has been removed, it is typically desirable to delete the plots that are in donut holes, as these plots no longer represent the forested acreage of the Stand.
To delete the plots do the following:
Use the Search tab (11) to select Plots as the Search layer (12). Next, click on the Plot to be deleted (13). Finally, click the delete (trash can icon) button to delete the plot.
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You will be asked to confirm the delete. If trees were recorded for this plot, the form will indicate that all trees will be deleted as well. Click ‘Confirm’ to continue.
The map will update to show that the Plot has been removed. Repeat as necessary to remove additional plots.
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If a large number of plots need to be removed, it is possible to use the Polygon or Rectangle tool to select multiple Plots and perform a batch delete operation.