geojson.js

// .js instead of .json for convenience
{
	"id": "string",
	"original-loc": {
		"lat": "double",
		"lon": "double"
	},
	"name": "string",
	"tag": "string",
	"country-code": "string",
	"city": "string",
	"view": {
		"lat": "double",
		"lon": "double",
		"zoom": "double",
		"emblems": [
			{
				"id": "string",
				"lat": "double",
				"lon": "double",
				"offx": "double", // internal for maptool
				"offy": "double", // internal for maptool
				"stackid": "int",
				"texthalign": "string", // left, right
				"textvalign": "string", // top, middle, bottom
				"textwidthscreen": "int", // internal for maptool
				"textwidthsvg": "int", // pixels in svg-space
				"textheightsvg": "int", // pixels in svg-space
				"active": "bool",
				"render": "bool", // internal for maptool
			},
			// ...
		]
	}
}

As discussed on June 4th 2019 (OS, EE, ML, RL)

Added texthalign, textvalign, textwidth, render options

Removed render option. All emblems in "emblems" array are to be rendered

Added offx, offy, render for internal use in maptool

Added textwidthscreen (maptool internal), for playout use textwidthsvg and textheightsvg (relative to svg)