# TTRPG Tools: Maps publish data (markers)
```json
{
"size": {
"w": 1992,
"h": 970
},
"layers": [
{
"id": "default",
"name": "Default",
"visible": true,
"locked": false
}
],
"markers": [],
"bases": [
{
"path": "CoS 2026/a-library/image assets/Blood of the Vine Main.png"
}
],
"overlays": [],
"activeBase": "CoS 2026/a-library/image assets/Blood of the Vine Main.png",
"measurement": {
"scales": {},
"customUnitPxPerUnit": {},
"travelTimePresetIds": [],
"travelDaysEnabled": false,
"displayUnit": "km"
},
"pinSizeOverrides": {},
"grids": [],
"panClamp": true,
"drawLayers": [],
"drawings": [],
"secondScreen": {
"showGrids": true
},
"textLayers": []
}
```