geo.regionContains(
target as cts.region,
region as cts.region[],
[options as String[]]
) as Boolean
Summary
Returns true if one region contains the other region.
Parameters
target
A geographic region.
region
One or more geographic regions (boxes, circles, polygons, or points).
Where multiple regions are specified, return true if target contains any
of the regions.
options
Options for the operation. The default is ().
Options include:
Options include:
"coordinate-system=string"
Use the given coordinate system. Valid values are:
wgs84
The WGS84 coordinate system with degrees as the angular unit.
wgs84/radians
The WGS84 coordinate system with radians as the angular unit.
wgs84/double
The WGS84 coordinate system at double precision with degrees as the angular unit.
wgs84/radians/double
The WGS84 coordinate system at double precision with radians as the angular unit.
etrs89
The ETRS89 coordinate system.
etrs89/double
The ETRS89 coordinate system at double precision.
raw
The raw (unmapped) coordinate system.
raw/double
The raw coordinate system at double precision.
"precision=value"
Use the coordinate system at the given precision. Allowed values:
float and double.
"units=value"
Measure distance, radii of circles, and tolerance in the specified units.
Allowed values: miles (default), km,
feet, meters.
"tolerance=distance"
Tolerance is the largest allowable variation in geometry calculations.
If the distance between two points is less than tolerance, then the two
points are considered equal. For the raw coordinate system, use the units
of the coordinates. For geographic coordinate systems, use the units
specified by the units option.
"boundaries-included"
Points on boxes', circles', and regions' boundaries are counted as
matching. This is the default.
"boundaries-excluded"
Points on boxes', circles', and regions' boundaries are not
counted as matching.
"boundaries-latitude-excluded"
Points on boxes' latitude boundaries are not counted as
matching.
"boundaries-longitude-excluded"
Points on boxes' longitude boundaries are not counted as
matching.
"boundaries-south-excluded"
Points on the boxes' southern boundaries are not counted as
matching.
"boundaries-west-excluded"
Points on the boxes' western boundaries are not counted as
matching.
"boundaries-north-excluded"
Points on the boxes' northern boundaries are not counted as
matching.
"boundaries-east-excluded"
Points on the boxes' eastern boundaries are not counted as
matching.
"boundaries-circle-excluded"
Points on circles' boundary are not counted as matching.
"boundaries-endpoints-excluded"
Points on linestrings' boundary (the endpoints) are not counted as matching.
Usage Notes
The value of the precision option takes precedence over
that implied by the governing coordinate system name, including the
value of the coordinate-system option. For example, if the
governing coordinate system is "wgs84/double" and the precision
option is "float", then the operation uses single precision.
// Does the lat-long box between Greenwich and Edinburgh contain the
// 10 mile circle around Birmingham? Yes.
geo.regionContains(
cts.box(51.48, -3.188889, 55.953056, 0.0),
cts.circle(10, cts.point(52.483056, -1.893611)));
=> true
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