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Review available information
Update Stand boundaries
Validate plots
Review available information
There are several ways that foresters record information in the field to support post-cruise stratification. The most common are:
Collecting line features in MobileMap via GPS tracking or heads-up digitizing
Recording notes on which plots fall into the proposed new Stands
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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.
Once all data have been uploaded from MobileMap, Stand boundaries can be edited using standard feature editing tools InventoryManager: Feature Editing in InventoryManager. The main tools used are splitting with a line, or cutting a donut hole.
Cutting/Splitting Stands
See Cut a Shape for additional documentation on this process
In the example below, a cruised Stand was found in the field to have two distinct management histories and thus there is a need to split the stand. The user wishes to split the Stand along the road the separates the Northwest portion of the Stand from the rest of the Stand. To complete this process, they first (1) enable draw edits on the Stands layer by clicking the pencil icon on the map legend. (2) Next, they select the line tool on the map editing tools that appear on the upper left portion of the map. (3) Next, they begin digitizing a split line by starting just outside of the stand, and (4) click to add vertices at every bend in the road. They add the final vertex just outside of the opposite Stand boundary, (5) then double click to complete the line.
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At this point, you have completed the second step in the process ‘Update Stand boundaries’. If additional changes are needed, repeat this step to further divide any of the resulting Stands into additional Stands. When all stands have been split, toggle map drawing edits off by clicking the pencil icon next to Stands in the map legend. The icon should turn grey to indicate that editing is disabled.
Validate Plots
The final step of the process is to re-assign plots from the original Stand to this newly created Stand. This process is known as Validation. To validate the plots, plot validation. For each newly created stand, click on the stand to select it (it should be highlighted in yellow), then click the ‘Validate’ tab (12) in the upper left corner of InventoryManager, then click ‘Validate Plots’ (13). InventoryManager will update all Plots within the selected Stand’s boundary to update their Stand_ID and Parent_ID fields. This will let InventoryManager (and MobileMap) know that these Plots are associated with this newly created Stand. The results will be displayed below the Validate Plots button and will indicate the number of Plots that were found that needed to be updated, and the details on the changes made.
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Cutting Donut Holes in Stands
See Cut a Donut Hole for additional documentation on this process.
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.
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 on the map (6). Next, click ‘Cut shape’ (7) to complete the operation.
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