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Diffstat (limited to 'nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/scale.gl')
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diff --git a/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/scale.gl b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/scale.gl new file mode 100644 index 000000000..392f7273b --- /dev/null +++ b/nx-X11/extras/ogl-sample/main/doc/man/mangl/standard/scale.gl @@ -0,0 +1,99 @@ +_C_ License Applicability. Except to the extent portions of this file are +_C_ made subject to an alternative license as permitted in the SGI Free +_C_ Software License B, Version 1.1 (the "License"), the contents of this +_C_ file are subject only to the provisions of the License. You may not use +_C_ this file except in compliance with the License. You may obtain a copy +_C_ of the License at Silicon Graphics, Inc., attn: Legal Services, 1600 +_C_ Amphitheatre Parkway, Mountain View, CA 94043-1351, or at: +_C_ +_C_ http://oss.sgi.com/projects/FreeB +_C_ +_C_ Note that, as provided in the License, the Software is distributed on an +_C_ "AS IS" basis, with ALL EXPRESS AND IMPLIED WARRANTIES AND CONDITIONS +_C_ DISCLAIMED, INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTIES AND +_C_ CONDITIONS OF MERCHANTABILITY, SATISFACTORY QUALITY, FITNESS FOR A +_C_ PARTICULAR PURPOSE, AND NON-INFRINGEMENT. +_C_ +_C_ Original Code. The Original Code is: OpenGL Sample Implementation, +_C_ Version 1.2.1, released January 26, 2000, developed by Silicon Graphics, +_C_ Inc. The Original Code is Copyright (c) 1991-2000 Silicon Graphics, Inc. +_C_ Copyright in any portions created by third parties is as indicated +_C_ elsewhere herein. All Rights Reserved. +_C_ +_C_ Additional Notice Provisions: The application programming interfaces +_C_ established by SGI in conjunction with the Original Code are The +_C_ OpenGL(R) Graphics System: A Specification (Version 1.2.1), released +_C_ April 1, 1999; The OpenGL(R) Graphics System Utility Library (Version +_C_ 1.3), released November 4, 1998; and OpenGL(R) Graphics with the X +_C_ Window System(R) (Version 1.3), released October 19, 1998. This software +_C_ was created using the OpenGL(R) version 1.2.1 Sample Implementation +_C_ published by SGI, but has not been independently verified as being +_C_ compliant with the OpenGL(R) version 1.2.1 Specification. +_C_ +_C_ The first character in this file must be an '_'! +_C_ Anything on a line after _C_ is ignored +_define(_filters,eqn)_C_ +_C_ eqn is automatically replaced with neqn for nroff +_header(Scale,multiply the current matrix by a general scaling matrix) +_names(Scale,[df]) +.EQ +delim $$ +.EN +.SH PARAMETERS +_phead(_param1 _param2 _param3) +Specify scale factors along the \f2x\fP, \f2y\fP, and \f2z\fP axes, respectively. +.SH DESCRIPTION +_cmnd produces a nonuniform scaling along the \f2x\fP, \f2y\fP, and +\f2z\fP axes. +The three parameters indicate the desired scale factor along +each of the three axes. +.P +The current matrix +(see _cmnd(MatrixMode)) +is multiplied by this scale matrix, +and the product replaces the current matrix +as if _cmnd were called with the following matrix +as its argument: + +.P +.ce +.EQ +left ( ~ down 20 matrix { + ccol { ~_eqnparam1 above ~0 above ~0 above ~0 } + ccol { ~0 above ~_eqnparam2 above ~0 above ~0 } + ccol { ~0 above ~0 above ~_eqnparam3 above ~0 } + ccol { ~0 above ~0 above ~0 above ~1} +} ~~ right ) +.EN +.sp +If the matrix mode is either _const(MODELVIEW) or _const(PROJECTION), +all objects drawn after _cmnd is called are scaled. +.P +Use _cmnd(PushMatrix) and _cmnd(PopMatrix) to save and restore +the unscaled coordinate system. +.SH NOTES +If scale factors other than 1 are applied to the modelview matrix +and lighting is enabled, lighting often appears wrong. +In that case, enable automatic normalization of normals by +calling _cmnd(Enable) with the argument _const(NORMALIZE). +.SH ERRORS +_const(INVALID_OPERATION) is generated if _cmnd +is executed between the execution of +_cmnd(Begin) +and the corresponding execution of _cmnd(End). +.SH ASSOCIATED GETS +_cmnd(Get) with argument _const(MATRIX_MODE) +.br +_cmnd(Get) with argument _const(COLOR_MATRIX) +.br +_cmnd(Get) with argument _const(MODELVIEW_MATRIX) +.br +_cmnd(Get) with argument _const(PROJECTION_MATRIX) +.br +_cmnd(Get) with argument _const(TEXTURE_MATRIX) +.SH SEE ALSO +_cmnd(MatrixMode), +_cmnd(MultMatrix), +_cmnd(PushMatrix), +_cmnd(Rotate), +_cmnd(Translate) |