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fix geometry tutorial about scalings.

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(transplanted from 172737370633a30aec51f6abb938b0ea0478ff0a
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Gael Guennebaud 2012-06-18 22:07:13 +02:00
parent d0c374f1ed
commit 45e1bb5ea5
1 changed files with 14 additions and 14 deletions
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28
doc/C08_TutorialGeometry.dox
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@ -51,10 +51,10 @@ AngleAxis<float> aa(angle_in_radian, Vector3f(ax,ay,az));\endcode</td></tr>
Quaternion<float> q; q = AngleAxis<float>(angle_in_radian, axis);\endcode</td></tr>
<tr class="alt"><td>
N-D Scaling</td><td>\code
Scaling<float,2>(sx, sy)
Scaling<float,3>(sx, sy, sz)
Scaling<float,N>(s)
Scaling<float,N>(vecN)\endcode</td></tr>
Scaling(sx, sy)
Scaling(sx, sy, sz)
Scaling(s)
Scaling(vecN)\endcode</td></tr>
<tr><td>
N-D Translation</td><td>\code
Translation<float,2>(tx, ty)
@ -64,13 +64,13 @@ Translation<float,N>(vecN)\endcode</td></tr>
<tr class="alt"><td>
N-D \ref TutorialGeoTransform "Affine transformation"</td><td>\code
Transform<float,N,Affine> t = concatenation_of_any_transformations;
Transform<float,3,Affine> t = Translation3f(p) * AngleAxisf(a,axis) * Scaling3f(s);\endcode</td></tr>
Transform<float,3,Affine> t = Translation3f(p) * AngleAxisf(a,axis) * Scaling(s);\endcode</td></tr>
<tr><td>
N-D Linear transformations \n
<em class=note>(pure rotations, \n scaling, etc.)</em></td><td>\code
Matrix<float,N> t = concatenation_of_rotations_and_scalings;
Matrix<float,2> t = Rotation2Df(a) * Scaling2f(s);
Matrix<float,3> t = AngleAxisf(a,axis) * Scaling3f(s);\endcode</td></tr>
Matrix<float,2> t = Rotation2Df(a) * Scaling(s);
Matrix<float,3> t = AngleAxisf(a,axis) * Scaling(s);\endcode</td></tr>
</table>
<strong>Notes on rotations</strong>\n To transform more than a single vector the preferred
@ -92,8 +92,8 @@ Rotation2Df r; r = Matrix2f(..); // assumes a pure rotation matrix
AngleAxisf aa; aa = Quaternionf(..);
AngleAxisf aa; aa = Matrix3f(..); // assumes a pure rotation matrix
Matrix2f m; m = Rotation2Df(..);
Matrix3f m; m = Quaternionf(..); Matrix3f m; m = Scaling3f(..);
Affine3f m; m = AngleAxis3f(..); Affine3f m; m = Scaling3f(..);
Matrix3f m; m = Quaternionf(..); Matrix3f m; m = Scaling(..);
Affine3f m; m = AngleAxis3f(..); Affine3f m; m = Scaling(..);
Affine3f m; m = Translation3f(..); Affine3f m; m = Matrix3f(..);
\endcode</td></tr>
</table>
@ -207,10 +207,10 @@ t.scale(s);
t.prescale(Vector_(sx,sy,..));
t.prescale(s);
\endcode</td><td>\code
t *= Scaling_(sx,sy,..);
t *= Scaling_(s);
t = Scaling_(sx,sy,..) * t;
t = Scaling_(s) * t;
t *= Scaling(sx,sy,..);
t *= Scaling(s);
t = Scaling(sx,sy,..) * t;
t = Scaling(s) * t;
\endcode</td></tr>
<tr class="alt"><td>Shear transformation \n ( \b 2D \b only ! )</td><td>\code
t.shear(sx,sy);
@ -224,7 +224,7 @@ Note that in both API, any many transformations can be concatenated in a single
t.pretranslate(..).rotate(..).translate(..).scale(..);
\endcode</td></tr>
<tr><td>\code
t = Translation_(..) * t * RotationType(..) * Translation_(..) * Scaling_(..);
t = Translation_(..) * t * RotationType(..) * Translation_(..) * Scaling(..);
\endcode</td></tr>
</table>