geojson格式

//******************点********************
{
	"type": "Point",
	"coordinates": [100.0, 0.0]
}

//******************多点********************
{
	"type": "MultiPoint",
	"coordinates": [
		[100.0, 0.0],
		[101.0, 1.0]
	]
}

//******************线********************
{
	"type": "LineString",
	"coordinates": [
		[100.0, 0.0],
		[101.0, 1.0]
	]
}

//******************多线********************
{
	"type": "MultiLineString",
	"coordinates": [
		[
			[100.0, 0.0],
			[101.0, 1.0]
		],
		[
			[102.0, 2.0],
			[103.0, 3.0]
		]
	]
}

//***************面(无内洞)***************
{
	"type": "Polygon",
	"coordinates": [
		[
			[100.0, 0.0],
			[101.0, 0.0],
			[101.0, 1.0],
			[100.0, 1.0],
			[100.0, 0.0]
		]
	]
}

//***************面(有内洞)***************
{
	"type": "Polygon",
	"coordinates": [
		[
			[100.0, 0.0],
			[101.0, 0.0],
			[101.0, 1.0],
			[100.0, 1.0],
			[100.0, 0.0]
		],
		[
			[100.2, 0.2],
			[100.8, 0.2],
			[100.8, 0.8],
			[100.2, 0.8],
			[100.2, 0.2]
		]
	]
}

//*******多面(一个面带内洞，一个面不带)******
{
	"type": "MultiPolygon",
	"coordinates": [
		[
			[
				[102.0, 2.0],
				[103.0, 2.0],
				[103.0, 3.0],
				[102.0, 3.0],
				[102.0, 2.0]
			]
		],
		[
			[
				[100.0, 0.0],
				[101.0, 0.0],
				[101.0, 1.0],
				[100.0, 1.0],
				[100.0, 0.0]
			],
			[
				[100.2, 0.2],
				[100.8, 0.2],
				[100.8, 0.8],
				[100.2, 0.8],
				[100.2, 0.2]
			]
		]
	]
}