Mercurial > hg > orthanc-stone
comparison OrthancStone/Sources/Volumes/DicomVolumeImageMPRSlicer.cpp @ 1769:a217140dd41a
refactoring
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 12 May 2021 10:26:13 +0200 |
parents | 226718777702 |
children | f302bbddf94d |
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1768:226718777702 | 1769:a217140dd41a |
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95 * TextureBaseSceneLayer::GetTransform(). Is it an error? | 95 * TextureBaseSceneLayer::GetTransform(). Is it an error? |
96 **/ | 96 **/ |
97 | 97 |
98 Vector pixelSpacing = volume_.GetGeometry().GetVoxelDimensions(projection_); | 98 Vector pixelSpacing = volume_.GetGeometry().GetVoxelDimensions(projection_); |
99 | 99 |
100 double x0, y0, x1, y1, x2, y2; | 100 texture->SetCuttingPlaneTransform(cuttingPlane, system.GetOrigin(), |
101 cuttingPlane.ProjectPoint(x0, y0, system.GetOrigin()); | 101 system.GetAxisX() * pixelSpacing[0], |
102 cuttingPlane.ProjectPoint(x1, y1, system.GetOrigin() + system.GetAxisX() * pixelSpacing[0]); | 102 system.GetAxisY() * pixelSpacing[1]); |
103 cuttingPlane.ProjectPoint(x2, y2, system.GetOrigin() + system.GetAxisY() * pixelSpacing[1]); | |
104 | |
105 /** | |
106 | |
107 A = [ a11 a12 ; a21 a22 ] | |
108 | |
109 (1) A * (0 ; 0) + (b1 ; b2) = (x0 ; y0) | |
110 (2) A * (1 ; 0) + (b1 ; b2) = (x1 ; y1) | |
111 (3) A * (0 ; 1) + (b1 ; b2) = (x2 ; y2) | |
112 | |
113 (2-1) A * (1 ; 0) = (x1 - x0 ; y1 - y0) <=> (a11 ; a21) = (x1 - x0 ; y1 - y0) | |
114 (3-1) A * (0 ; 1) = (x2 - x0 ; y2 - y0) <=> (a12 ; a22) = (x2 - x0 ; y2 - y0) | |
115 | |
116 **/ | |
117 | |
118 Matrix m(3, 3); | |
119 m(0, 0) = x1 - x0; // a11 | |
120 m(0, 1) = x2 - x0; // a12 | |
121 m(0, 2) = x0; // b1 | |
122 m(1, 0) = y1 - y0; // a21 | |
123 m(1, 1) = y2 - y0; // a22 | |
124 m(1, 2) = y0; // b2 | |
125 m(2, 0) = 0; | |
126 m(2, 1) = 0; | |
127 m(2, 2) = 1; | |
128 | |
129 texture->SetTransform(AffineTransform2D(m)); | |
130 | 103 |
131 return texture.release(); | 104 return texture.release(); |
132 } | 105 } |
133 | 106 |
134 | 107 |