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30 lines
1.1 KiB
Plaintext
30 lines
1.1 KiB
Plaintext
{
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"name": "wedge_buffer",
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"type": "function",
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"groups": ["GeometryGroup"],
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"description": "Returns a wedge shaped buffer originating from a point geometry.",
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"arguments": [{
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"arg": "center",
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"description": "center point (origin) of buffer. Must be a point geometry."
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}, {
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"arg": "azimuth",
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"description": "angle (in degrees) for the middle of the wedge to point."
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}, {
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"arg": "width",
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"description": "buffer width (in degrees). Note that the wedge will extend to half of the angular width either side of the azimuth direction."
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}, {
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"arg": "outer_radius",
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"description": "outer radius for buffers"
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}, {
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"arg": "inner_radius",
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"optional": true,
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"default": "0.0",
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"description": "optional inner radius for buffers"
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}],
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"examples": [{
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"expression": "wedge_buffer(center:=geom_from_wkt('POINT(1 2)'),azimuth:=90,width:=180,outer_radius:=1)",
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"returns": "A wedge shaped buffer centered on the point (1,2), facing to the East, with a width of 180 degrees and outer radius of 1."
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}],
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"tags": ["buffer", "wedge", "point", "originating", "shaped"]
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}
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