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Envelope

更新时间:2022-09-15 14:00:08

 

IEnvelope Interface

Provides access to methods and properties of envelopes. Note: the IEnvelope interface has been superseded byIEnvelope2. Please consider using the more recent version.

Product Availability

Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.

Description

Envelopes are the rectangular window that contain a specific element.  All Geometry objects have an envelope defined by the XMinXMaxYMin, and YMax of the object.  Envelopes can also serve as the viewing area for a particular view screen or data frame.

Members

Description

 

 Envelope

CenterAt

Moves this envelope so it is centered at p.

 Envelope

DefineFromPoints

Defines the envelope to cover all the points.

 Envelope

Depth

The depth of the envelope.

 Envelope

Dimension

The topological dimension of this geometry.

 Envelope

Envelope

Creates a copy of this geometry's envelope and returns it.

 Envelope

Expand

Moves the X and Y coordinates of the sides toward or away from each other.

 Envelope

ExpandM

Moves the measure of the sides toward or away from each other.

 Envelope

ExpandZ

Moves the Z attribute of the sides toward or away from each other.

 Envelope

GeometryType

The type of this geometry.

 Envelope

GeoNormalize

Shifts longitudes, if need be, into a continuous range of 360 degrees.

 Envelope

GeoNormalizeFromLongitude

Normalizes longitudes into a continuous range containing the longitude. This method is obsolete.

 Envelope

Height

The height of the envelope.

 Envelope

Intersect

Adjusts to include only the area also included by inEnvelope.

 Envelope

IsEmpty

Indicates whether this geometry contains any points.

 Envelope

LowerLeft

The lower left corner.

 Envelope

LowerRight

The lower right corner.

 Envelope

MMax

The maximum measure value in the area of the envelope.

 Envelope

MMin

The minimum measure value in the area of the envelope.

 Envelope

Offset

Moves the sides x units horizontally and y units vertically.

 Envelope

OffsetM

Moves the sides m units.

 Envelope

OffsetZ

Moves the sides z units.

 Envelope

Project

Projects this geometry into a new spatial reference.

 Envelope

PutCoords

Constructs an envelope from the coordinate values of lower, left and upper, right corners.

 Envelope

QueryCoords

Returns the coordinates of lower, left and upper, right corners.

 Envelope

QueryEnvelope

Copies this geometry's envelope properties into the specified envelope.

 Envelope

SetEmpty

Removes all points from this geometry.

 Envelope

SnapToSpatialReference

Moves points of this geometry so that they can be represented in the precision of the geometry's associated spatial reference system.

 Envelope

SpatialReference

The spatial reference associated with this geometry.

 Envelope

Union

Adjusts to overlap inEnvelope.

 Envelope

UpperLeft

The upper left corner.

 Envelope

UpperRight

The upper right corner.

 Envelope

Width

The width of the envelope.

 Envelope

XMax

The position of the right side.

 Envelope

XMin

The position of the left side.

 Envelope

YMax

The position of the top.

 Envelope

YMin

The position of the bottom.

 Envelope

ZMax

The maximum Z value in the area of the envelope.

 Envelope

ZMin

The minimum Z value in the area of the envelope.

Inherited Interfaces

Interfaces

Description

IGeometry

Provides access to members that describe properties and behavior of all geometric objects.

CoClasses that implement IEnvelope

CoClasses and Classes

Description

Envelope

A rectangle with sides parallel to a coordinate system defining the extent of another geometry; optionally has min and max measure, height and ID attributes.

[C#]

        //The following C# code shows how to create an envelope from coordinates:
        IEnvelope env = new EnvelopeClass() as IEnvelope;

        env.PutCoords(-10, -5, 10, 5);

 

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   本文转自wenglabs博客园博客,原文链接:http://www.cnblogs.com/arxive/p/6120193.html,如需转载请自行联系原作者