GRG and MGRS/USNG integration

[lfunkhouser]

From @nfeuerstein on August 18, 2017 17:29

The USNG and MGRS are the standard for organizations operating in the Defense/Para-Military/Emergency Response world. Most users are now using MGRS/USNG to derive Grid Reference Graphics (GRGs) for defined operations.

For example, a 10m grid MGRS GRG would look like this:

In addition, in order to not crowd/confuse the target map, the interior grids should be able to have the transparency adjusted and be turned on/off.

The Military Grid Reference System (MGRS) and its civilian analogue, the United States National Grid (USNG), are the primary coordinate systems used by NATO forces and U.S.-based emergency responders. MGRS may also be used as area reference system through which uniform areas may be described using a coordinate of appropriate precision to describe the lower-left corner of a square. This method functionally creates both a vector-based analysis mask and raster-cell structure. Aggregation of data within MGRS polygons thereby allows for the application both advanced statistical analysis and modeling techniques to data sets

Additional reading materials:

• NPR story
• Dubai using USNG/MGRS for addressing
• Fire Engineering
• Florida Today (one of many states now using USNG signage as trail markers) - same idea is in play in MN
• A bunch more news articles about USNG
• USNG as policy
• FEMA’s Idea Scale

Copied from original issue: ArcGIS/national-security-ideas-engagements#1

[adgiles]

Is this the same as issue #3?

[joebayles]

Related to #3 #20 #44 #45

[Dbarnes1]

@lfunkhouser can this be considered done?

[joebayles]

I don't think this is complete, because:

1. Polar Grids (I can't make one over the north pole)
2. Reference Grids (I can't label my MGRS Grid A1, A2, B1, B2, etc.)

Considering that those are after next (or beyond, at least polar grids are waiting on core, right?), I'd be amenable to call this done and open up these two in their own issues.

[Dbarnes1]

Remaining MGRS features discussed in this issue are now located in the two issues below:

1. Support for MGRS in Polar regions #102
2. Add alpha-alpha, alphanumeric, and numeric labels (with label origin options) to GRGs created from MGRS grids #49 (this was already open)