List of Parameters in Carto that can accept a data field instead of an absolute value, as of Tilemill 0.10.0:
- marker-width
- marker-height
- shield-name
- text-name
- text-orientation
- building-height
- marker-transform
- point-transform
Source syntax, derived from the current Mapnik JSON reference guide:
"width": {
"css": "marker-width",
"default-value": 10,
"doc": "The height of the marker, if using one of the default types.",
"type": "expression"
},
"height": {
"css": "marker-height",
"default-value": 10,
"doc": "The height of the marker, if using one of the default types.",
"type": "expression"
},
"name": {
"css": "shield-name",
"type": "expression",
"required": true,
"serialization": "content",
"doc": "Value to use for a shield\"s text label. Data columns are specified using brackets like [column_name]"
},
"name": {
"css": "text-name",
"type": "expression",
"required": true,
"default-value": "",
"serialization": "content",
"doc": "Value to use for a text label. Data columns are specified using brackets like [column_name]"
},
"orientation": {
"css": "text-orientation",
"type": "expression",
"doc": "Rotate the text."
},
"height": {
"css": "building-height",
"doc": "The height of the building in pixels.",
"type": "expression",
"default-value": "0"
}
"transform": {
"css": "marker-transform",
"type": "functions",
"functions": [
["matrix", 6],
["translate", 2],
["scale", 2],
["rotate", 3],
["skewX", 1],
["skewY", 1]
],
"default-value": "",
"default-meaning": "No transformation",
"doc": "SVG transformation definition"
},
"transform": {
"css": "point-transform",
"type": "functions",
"functions": [
["matrix", 6],
["translate", 2],
["scale", 2],
["rotate", 3],
["skewX", 1],
["skewY", 1]
],
"default-value": "",
"default-meaning": "No transformation",
"doc": "SVG transformation definition"
},