GM_ViewShedParams_t – Global Mapper

Global Mapper SDK

GM_ViewShedParams_t Class

This type is used to provide the parameters for performing a view shed analysis

Inheritance Hierarchy

System Object
GlobalMapper GM_ViewShedParams_t

Namespace:GlobalMapper.Types
Assembly: GlobalMapperWrapperNET (in GlobalMapperWrapperNET.dll) Version: 18.0.0.0 (18.0.0.0)

Syntax

Copy

                                    public
                                    class
                                    GM_ViewShedParams_t

The GM_ViewShedParams_t type exposes the following members.

Constructors

	Name	Description
	GM_ViewShedParams_t	Default Constructor

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Methods

	Name	Description
	Equals	Determines whether the specified Object is equal to the current Object . (Inherited from Object .)
	Finalize	Allows an object to try to free resources and perform other cleanup operations before it is reclaimed by garbage collection. (Inherited from Object .)
	GetHashCode	Serves as a hash function for a particular type. (Inherited from Object .)
	GetType	Gets the type of the current instance. (Inherited from Object .)
	MemberwiseClone	Creates a shallow copy of the current Object . (Inherited from Object .)
	SizeOf	Returns the size of the unmanaged structure
	ToString	Returns a string that represents the current object. (Inherited from Object .)

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Fields

	Name	Description
	mAngleEnd	End angle in radians for radar sweep
	mAngleStart	Start angle in radians for radar sweep
	mAtmosphericCorr	Atmospheric correction value (1.0 for none)
	mCenterPoint	Center point in global coordinates
	mColor	Color to display view shed data in
	mDesc	View shed description
	mFilterRect	Optional rectangle for filtering view shed to a certain area of interest
	mFresnelFreq	Frequency (in GHz) to use for testing clearance of first Fresnel zone (use 0.0 to not do Fresnel testing)
	mFresnelPctClear	Percentage of first Fresnel zone that must be clear of obstacles (use 0.6 for 60%). If 0 is specified, the default of 60% is used.
	mGenCoveragePolys	Generate area/polygon features for the covered area (these are vector and exportable to vector formats)
	mRadius	Search radius in meters
	mReceiverAngle	Angle (in degrees) above horizon to test at (NULL for none)
	mReceiverAngleEnd	Angle (in degrees) above horizon to stop test at (NULL for none) - if this and mReceiverAngle are provided, an angle range view shed test is done (like a flashlight beam)
	mReceiverHeight	Height at which transmitter must be visible
	mReceiverHeightAbs	Is the receiver height absolute or relative to the ground?
	mShowHiddenPoints	Make hidden points visible instead of viewable points.
	mShowProgress	Display view shed calculation progress?
	mSize	Size of structure in bytes
	mTransmitterHeight	Transmitter height in meters
	mTransmitterHeightAbs	Is the transmitter height absolute or relative to the ground?
	mUseEarthCurvature	Use the curvature of the earth in the analysis?
	mVectorElevsAbs	Are vector elevations absolute (i.e. relative to sea level) or relative to ground level?
	mVectorLayerList	List of vector layers to use features with elevation attributes from
	mVectorLayerListCnt	Number of vector layers in list
	mXSpacing	X sample spacing (use 0.0 for default spacing)
	mYSpacing	Y sample spacing (use 0.0 for default spacing)

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Reference

GlobalMapper.Types Namespace