A Reference Level Volume allows you to measure a volume from a predefined horizontal plane at a specific known height above your site's datum. This is useful for measuring sections from a known base or toe, such as cut volumes from the base of an excavation, benches, pit walls, and ramps in mines, quarries, or landfills.
How to use Reference Level Volume:
1. From the MEASURE tab, click CREATE A MEASUREMENT.
2. Choose a template from the Calculate Volume section.
3. Use the Magic Polygon tool or draw a polygon around the area of interest. From the Choose a measurement type dropdown menu, select Reference Level Volume.
4. Enter a height (the Reference Level) relative to your site's vertical datum into the textbox.
Changing the reference level used for the measurement makes it possible to model a situation where material needs to be added or removed to a specific depth.
The difference between Smart Volume and Reference Level Volume
- Smart Volumes allow for the measurement of stockpiles on ground that has a slope. (e.g., gravel dumped on a ramp or other sloping surface).
- A Smart Volume considers the sloped surface by using polygon triangulation to interpolate the stockpile base from the elevation of the surrounding terrain.
- A Reference Level Volume uses a horizontal plane projected from a Reference Level. Measuring material stockpiled on a slope using this tool would include a slice of the terrain beneath the stockpile, as seen in the diagram below.
I still can't do it!
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