Sample Code
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PilotGaea 3D O'view
PilotGaea 3D O'view
ov2D3D
MapClient
ol
extent
isEmpty
Function isEmpty
is
Empty
(
extent
)
:
boolean
Determine if an extent is empty.
Parameters
extent
:
Extent
Extent.
Returns
boolean
Is empty.
Api
stable
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PilotGaea 3D O'view
ov
ov
2D/3D結合
ov2D3D
WMTS
CWMTSParse
CMatrixInfo
CMatrixSet
CWMTSParse
MatrixInfoLike
幾何
GeoJSON
CRect
CSize
Geo3DPoint
GeoBoundary
GeoLine
GeoPoint
GeoPolygon
GeoPolygonSet
GeoPolyline
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Determine if an extent is empty.