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Place Gridded Reference Graphics (GRGs) on the map
Install with Codex or Claude Copy this prompt, paste it into Codex, Claude, or another assistant, and let it review the skill page and install it for you.
Based on SOC occupation classification
Delegate tasks to specialist agents
Send notifications, play tones, and speak alerts
Attach files to map items — photos, documents, reports
Create recurring agent tasks — scheduled checks, perimeter monitors, and event-driven watchers that run automatically
Track targets with bearing, distance, speed, and intercept data
Battle Position Holding Area — defensive planning graphics
| group | custos |
| name | grg_builder |
| description | Place Gridded Reference Graphics (GRGs) on the map |
| script_paths | ["custos.grg_builder/build_grg.lua","custos.grg_builder/grg_bounds.lua"] |
| tags | ["grg","grid","reference","area","operations"] |
| examples | ["build a GRG over the objective area","create a gridded reference graphic","place a GRG grid","lay down a reference grid for the compound","make a GRG centered on this position"] |
Places a Gridded Reference Graphic (GRG) on the ATAK map. GRGs divide a geographic area into a labeled grid for coordinating operations.
Uses ATAK's built-in CustomGrid via GridLinesMapComponent — no
external plugin required for grid placement.
build_grg to change spacing, size, or position — never assume a previous call is still active. Each call replaces the current grid.build_grg with the updated parameters.