Class ProjectionOrtho
- java.lang.Object
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- zext.plantuml.com.ctreber.acearth.projection.Projection
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- zext.plantuml.com.ctreber.acearth.projection.ProjectionOrtho
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public class ProjectionOrtho extends Projection
Orthographic projection (show Earth as a ball).
© 2002 Christian Treber, ct@ctreber.com
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Constructor Summary
Constructors Constructor Description ProjectionOrtho()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description CoordinategetLocation(int pX, int pY)Translate screen point into coordinate on Earth.doubleinverseProjectX(double pX)doubleinverseProjectY(double pY)booleanisVisible(Point3D pPoint)All of Earth is visible.doubleprojectX(double pX, double pZ)Project 3D point on x axis.doubleprojectY(double pY)Project 3D point on y axis.protected voidsetScale()The scale is not from -PI to PI but from -1 to 1 in this case (the range of x, y, z of the points).-
Methods inherited from class zext.plantuml.com.ctreber.acearth.projection.Projection
finalize, finalizeX, finalizeY, getScale, getViewPos, initTransformTable, inverseFinalizeX, inverseFinalizeY, isWithinImage, project2D, rotate, rotateReverse, setImageHeight, setImageWidth, setShiftX, setShiftY, setViewMagnification, setViewPos, setViewRotation
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Method Detail
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isVisible
public boolean isVisible(Point3D pPoint)
All of Earth is visible.
- Specified by:
isVisiblein classProjection- Parameters:
pPoint-- Returns:
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getLocation
public Coordinate getLocation(int pX, int pY)
Description copied from class:ProjectionTranslate screen point into coordinate on Earth.
- Specified by:
getLocationin classProjection- Returns:
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projectX
public double projectX(double pX, double pZ)Description copied from class:ProjectionProject 3D point on x axis.
- Specified by:
projectXin classProjection- Returns:
- Longitude, not in rad but from -1 to 1.
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inverseProjectX
public double inverseProjectX(double pX)
- Specified by:
inverseProjectXin classProjection
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projectY
public double projectY(double pY)
Description copied from class:ProjectionProject 3D point on y axis.
- Specified by:
projectYin classProjection- Returns:
- Latitude, not in rad but from -1 to 1.
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inverseProjectY
public double inverseProjectY(double pY)
- Specified by:
inverseProjectYin classProjection
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setScale
protected void setScale()
The scale is not from -PI to PI but from -1 to 1 in this case (the range of x, y, z of the points).
- Specified by:
setScalein classProjection
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