Support geo types.

[marcbinz]

Describe your feature request
SurrealDB support the usual geo types with explicit querying options. This proposal suggests to add support for those types within the generated layer of som as well.

Are you willing to contribute this feature?
Of course 😉

//
// -- GEO
//

type Point struct {
	Longitude float64
	Latitude  float64
}

// {
//    type: "Point",
//    coordinates: [-0.118092, 51.509865],
// }

type Line struct {
	Points []Point
}

// {
//	type: "LineString",
//	coordinates: [
//		[10.0, 11.2], [10.5, 11.9]
//	]
// }

type Polygon struct {
	Points []MultiPoint
}

// {
//	type: "Polygon",
//	coordinates: [[
//		[-0.38314819, 51.37692386], [0.1785278, 51.37692386],
//		[0.1785278, 51.61460570], [-0.38314819, 51.61460570],
//		[-0.38314819, 51.37692386]
//	]]
// }

type MultiPoint struct {
	Points []Point
}

// {
//	type: "MultiPoint",
//	coordinates: [
//		[10.0, 11.2],
//		[10.5, 11.9]
//	],
// }

type MultiLine struct {
	Lines []Line
}

// {
//	type: "MultiLinestring",
//	coordinates: [
//		[ [10.0, 11.2], [10.5, 11.9] ],
//		[ [11.0, 12.2], [11.5, 12.9], [12.0, 13.0] ]
//	]
// }

type MultiPolygon struct {
	Polygons []Polygon
}

// {
//	type: "MultiPolygon",
//	coordinates: [
//		[
//			[ [10.0, 11.2], [10.5, 11.9], [10.8, 12.0], [10.0, 11.2] ]
//		],
//		[
//			[ [9.0, 11.2], [10.5, 11.9], [10.3, 13.0], [9.0, 11.2] ]
//		]
//	]
// }

type Collection struct {
	Geometries []any
}

// {
//	type: "GeometryCollection",
//	geometries: [
//		{
//			type: "MultiPoint",
//			coordinates: [
//				[10.0, 11.2],
//				[10.5, 11.9]
//			],
//		},
//		{
//			type: "Polygon",
//			coordinates: [[
//				[-0.38314819, 51.37692386], [0.1785278, 51.37692386],
//				[0.1785278, 51.61460570], [-0.38314819, 51.61460570],
//				[-0.38314819, 51.37692386]
//			]]
//		},
//		{
//			type: "MultiPolygon",
//			coordinates: [
//				[
//					[ [10.0, 11.2], [10.5, 11.9], [10.8, 12.0], [10.0, 11.2] ]
//				],
//				[
//					[ [9.0, 11.2], [10.5, 11.9], [10.3, 13.0], [9.0, 11.2] ]
//				]
//			]
//		}
//	]
// }