Methods
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module:ol/extent.applyTransform(extent, transformFn, opt_extent, opt_stops){module:ol/extent~Extent}
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import {applyTransform} from 'ol/extent';
Apply a transform function to the extent.
Name Type Description extent
module:ol/extent~Extent Extent.
transformFn
module:ol/proj~TransformFunction Transform function. Called with
[minX, minY, maxX, maxY]
extent coordinates.extent
module:ol/extent~Extent Destination extent.
stops
number Number of stops per side used for the transform. By default only the corners are used.
Returns:
Extent.
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import {boundingExtent} from 'ol/extent';
Build an extent that includes all given coordinates.
Name Type Description coordinates
Array.<module:ol/coordinate~Coordinate> Coordinates.
Returns:
Bounding extent.
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import {buffer} from 'ol/extent';
Return extent increased by the provided value.
Name Type Description extent
module:ol/extent~Extent Extent.
value
number The amount by which the extent should be buffered.
extent
module:ol/extent~Extent Extent.
Returns:
Extent.
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import {containsCoordinate} from 'ol/extent';
Check if the passed coordinate is contained or on the edge of the extent.
Name Type Description extent
module:ol/extent~Extent Extent.
coordinate
module:ol/coordinate~Coordinate Coordinate.
Returns:
The coordinate is contained in the extent.
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import {containsExtent} from 'ol/extent';
Check if one extent contains another.
An extent is deemed contained if it lies completely within the other extent, including if they share one or more edges.
Name Type Description extent1
module:ol/extent~Extent Extent 1.
extent2
module:ol/extent~Extent Extent 2.
Returns:
The second extent is contained by or on the edge of the first.
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import {containsXY} from 'ol/extent';
Check if the passed coordinate is contained or on the edge of the extent.
Name Type Description extent
module:ol/extent~Extent Extent.
x
number X coordinate.
y
number Y coordinate.
Returns:
The x, y values are contained in the extent.
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import {createEmpty} from 'ol/extent';
Create an empty extent.
Returns:
Empty extent.
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import {equals} from 'ol/extent';
Determine if two extents are equivalent.
Name Type Description extent1
module:ol/extent~Extent Extent 1.
extent2
module:ol/extent~Extent Extent 2.
Returns:
The two extents are equivalent.
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import {extend} from 'ol/extent';
Modify an extent to include another extent.
Name Type Description extent1
module:ol/extent~Extent The extent to be modified.
extent2
module:ol/extent~Extent The extent that will be included in the first.
Returns:
A reference to the first (extended) extent.
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import {getArea} from 'ol/extent';
Get the size of an extent.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Area.
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import {getBottomLeft} from 'ol/extent';
Get the bottom left coordinate of an extent.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Bottom left coordinate.
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import {getBottomRight} from 'ol/extent';
Get the bottom right coordinate of an extent.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Bottom right coordinate.
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import {getCenter} from 'ol/extent';
Get the center coordinate of an extent.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Center.
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import {getHeight} from 'ol/extent';
Get the height of an extent.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Height.
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module:ol/extent.getIntersection(extent1, extent2, opt_extent){module:ol/extent~Extent}
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import {getIntersection} from 'ol/extent';
Get the intersection of two extents.
Name Type Description extent1
module:ol/extent~Extent Extent 1.
extent2
module:ol/extent~Extent Extent 2.
extent
module:ol/extent~Extent Optional extent to populate with intersection.
Returns:
Intersecting extent.
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import {getSize} from 'ol/extent';
Get the size (width, height) of an extent.
Name Type Description extent
module:ol/extent~Extent The extent.
Returns:
The extent size.
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import {getTopLeft} from 'ol/extent';
Get the top left coordinate of an extent.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Top left coordinate.
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import {getTopRight} from 'ol/extent';
Get the top right coordinate of an extent.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Top right coordinate.
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import {getWidth} from 'ol/extent';
Get the width of an extent.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Width.
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import {intersects} from 'ol/extent';
Determine if one extent intersects another.
Name Type Description extent1
module:ol/extent~Extent Extent 1.
extent2
module:ol/extent~Extent Extent.
Returns:
The two extents intersect.
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import {isEmpty} from 'ol/extent';
Determine if an extent is empty.
Name Type Description extent
module:ol/extent~Extent Extent.
Returns:
Is empty.
Type Definitions
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Extent{Array.<number>}
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An array of numbers representing an extent:
[minx, miny, maxx, maxy]
.