EARTH BY THE NUMBERS


FIGURE 2


FIGURE 3


STANDARDS TO SCALE


SE Core created a scale specification table to standardize how features are captured on terrain representations. SE Core’s common specifications rely on industry-standard graphics, so that those producing the require- ments and those meeting them speak the same language. At top, a KML representation of joint operations graphics, with examples of topographic line map series (TLM-100, bottom left; TLM-50, bottom right), capture requirements for Fort Bliss terrain. (SOURCE: Google Earth Pro)


Te SE Core team, a synthetic terrain stakeholder, or the capability manager can generate a graphical DCR by refer- encing the KML color code associated with each scale specification standard. Figure 1 on Page 178 provides an exam- ple of this using the SE Core Fort Bliss terrain requirements. A box of approxi- mately 300 km squared represents the 1:250K ancillary area of the terrain repre- sentation. Te figure illustrates the 1:50K area comprising the primary Fort Bliss training reservation. A primary live-fire range, the Digital, Multi-purpose Range Complex (DMPRC), is captured as a


180


VISUAL AND VERBAL Maps and text aren’t mutually exclusive ways to capture requirements. Creators of terrain requirements can add comments to Google Earth Pro, embedded in an overlay file. Here, a metadata comment gives additional reference data on the DMPRC live-fire range at Fort Bliss. (SOURCE: Google Earth Pro)


1:25K area, and the associated DMPRC air-to-ground integration villages are captured through the 1:12.5K fidelity area. Google Earth Pro’s measurement functions also allow for accurate area and perimeter calculations for each overlay to aid in the collection of metrics and gen- erating reports.


Te Google Earth Pro KML file approach to a DCR also allows for the capture of other required terrain representation components that would otherwise be burdensome to represent in a textual for- mat, such as aerial imagery requirements,


elevation data requirements, associated raster map


products and geospecific


model locations. Additionally, the KML standard allows for the inclusion of embedded metadata in the overlay file, which can be used to add comment fields to the KML overlays that can easily be displayed through the Google Earth Pro interface. (See Figures 3 and 4.) Tese comments can add useful reference data on a particular training area or provide additional requirements commentary— for example, the required terrain export formats and files for a given geographic area. Tis data can be useful for the


Army AL&T Magazine October-December 2015


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