Merge pull request e0404#599 from JenHardt/dev

BUG: ssd calculation should use actual ray distance instead of SAD
HomolkaN · Feb 24, 2023 · 2ff9f09 · 2ff9f09
2 parents 27ad9ff + aab03e9
commit 2ff9f09
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/matRad_computeSSD.m b/matRad_computeSSD.m
@@ -47,7 +47,7 @@
     for i = 1:size(stf,2)
         SSD = cell(1,stf(i).numOfRays);
         for j = 1:stf(i).numOfRays
-            [alpha,~,rho,~,~] = matRad_siddonRayTracer(stf(i).isoCenter, ...
+            [alpha,~,rho,d12,~] = matRad_siddonRayTracer(stf(i).isoCenter, ...
                                  ct.resolution, ...
                                  stf(i).sourcePoint, ...
                                  stf(i).ray(j).targetPoint, ...
@@ -65,7 +65,7 @@
             end
 
             % calculate SSD
-            SSD{j} = double(2 * stf(i).SAD * alpha(ixSSD));
+            SSD{j} = double(d12* alpha(ixSSD));
             stf(i).ray(j).SSD = SSD{j};            
         end