.TH "Projector Classes" 3 "Thu May 29 2014" "Version 4.0.0a" "Coin" \" -*- nroff -*-
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.SH NAME
Projector Classes \- 
.SS "Classes"

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.RI "class \fBSbCylinderPlaneProjector\fP"
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.RI "\fIThe \fBSbCylinderPlaneProjector\fP class projects 2D points to a half-cylinder and a plane\&.
.PP
This projector uses a plane along with the half-cylinder of \fBSbCylinderSectionProjector\fP for projections\&. If the 2D point mapping 'misses' the cylinder section, the 3D point will be projected onto the plane\&. \fP"
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.RI "class \fBSbCylinderProjector\fP"
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.RI "\fIThe \fBSbCylinderProjector\fP class is the abstract base class for mapping to cylindrical surfaces\&.
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The cylinder projectors map 2D points to various surface types based on cylindrical shapes\&. \fP"
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.RI "class \fBSbCylinderSectionProjector\fP"
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.RI "\fIThe \fBSbCylinderSectionProjector\fP projects 2D points to a sliced cylinder\&.
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The projection cylinder for this class is sliced by a clipping plane parallel to its height axis\&. Projections will be mapped to the remaining cylinder part\&. \fP"
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.RI "class \fBSbCylinderSheetProjector\fP"
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.RI "\fIThe \fBSbCylinderSheetProjector\fP class projects 2D points to 3D points on a sheet covering a cylindrical shape\&. \fP"
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.RI "class \fBSbLineProjector\fP"
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.RI "\fIThe \fBSbLineProjector\fP class projects 2D points to 3D points along a line\&.
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The 3D projection of the 2D coordinates is for this projector class constrained to lie along a pre-defined line\&. \fP"
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.RI "class \fBSbPlaneProjector\fP"
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.RI "\fIThe \fBSbPlaneProjector\fP class projects 2D points to 3D points in a plane\&.
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The 3D projection of the 2D coordinates is for this projector class constrained to lie inside a pre-defined 3D plane\&. \fP"
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.RI "class \fBSbProjector\fP"
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.RI "\fIThe \fBSbProjector\fP class is the abstract base projector class\&.
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Projectors are used in the Coin library for mapping 2D coordinates (typically from the position of the mouse cursor in the rendering window) to 3D 'world' coordinates\&. \fP"
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.RI "class \fBSbSpherePlaneProjector\fP"
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.RI "\fIThe \fBSbSpherePlaneProjector\fP class projects 2D points to a half-sphere and a plane\&.
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This projector uses a plane along with the half-sphere of \fBSbSphereSectionProjector\fP for projections\&. If the 2D point mapping 'misses' the sphere section, the 3D point will be projected onto the plane\&. \fP"
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.RI "class \fBSbSphereProjector\fP"
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.RI "\fIThe \fBSbSphereProjector\fP class is the abstract base class for mapping to spherical surfaces\&.
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The sphere projectors map 2D points to various surface types based on spherical shapes\&. \fP"
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.RI "class \fBSbSphereSectionProjector\fP"
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.RI "\fIThe \fBSbSphereSectionProjector\fP projects 2D points to a sliced sphere\&.
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The projection sphere for this class is sliced by a clipping plane\&. Projections will be mapped to the remaining sphere part\&. \fP"
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.RI "class \fBSbSphereSheetProjector\fP"
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.RI "\fIThe \fBSbSphereSheetProjector\fP class projects 2D points to 3D points on a sheet covering a spherical shape\&.
.PP
The following stand-alone example shows how screen space coordinates projects into 3D when mapped with an \fBSbSphereSheetProjector\fP\&. It outputs the resulting projections as an \fBSoPointSet\fP in a Inventor-file on stdout: \fP"
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.SH "Detailed Description"
.PP 
The projector classes are used to convert between screenspace (2D) locations and locations in worldspace (3D)\&. They are mostly used in relation to user interaction with the mouse in the viewport\&. 
.SH "Author"
.PP 
Generated automatically by Doxygen for Coin from the source code\&.