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@@ -93,7 +93,7 @@ fieldWidth = ypmax - ypmin;
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Nrot = ceil(abs(zBow - zStern)/(pitch*fieldWidth));
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% Nphi = Nrot*51; % number of angles used in the calculation
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-Nphi = Nrot * N_angles; % Grozomah
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+Nphi = Nrot * N_angles;
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% define the limits of the angles that will be used for the calculation
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% ##phimin = 0; % starting angle in radians
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@@ -101,13 +101,16 @@ Nphi = Nrot * N_angles; % Grozomah
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phi = [0:Nphi-1]/Nphi *2*pi*Nrot;
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+Geometry.start_nominal = Geometry.start;
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+
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%% account for beamlet shift
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for scenario_i = 1:numel(OptGoals.sss_scene_list)
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patient_dir = [beamlet_dir '\scenario' num2str(scenario_i)];
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mkdir(patient_dir)
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condor_folder = patient_dir;
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winxp_folder = 'winxp';
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-
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+
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+ Geometry.start = Geometry.start_nominal;
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% create names for condor input and output folders
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input_folder = '.';
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output_folder = '.';
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@@ -185,30 +188,31 @@ for scenario_i = 1:numel(OptGoals.sss_scene_list)
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tumorMask(Geometry.ROIS{ptvInd}.ind) = 1;
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BW = bwdist(tumorMask);
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- tumorMaskExp = tumorMask;
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+ tumorMaskExp = tumorMask;
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tumorMaskExp(BW <= 4) = 1;
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- P = zeros(Mxp,Nphi);
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-
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- fprintf('Checking beam''s eye view ...\n');
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- for p=1:Nphi
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- % ir and jr form the beam's eye view (BEV)
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- ir = [-sin(phi(p)); cos(phi(p)); 0];
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- jr = [0 0 1]';
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- % kr denotes the beam direction
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- kr = [cos(phi(p)); sin(phi(p)); 0];
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-
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- for m=1:Mxp
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- point1 = single(-kr*SAD + [0 0 zBow + pitch*fieldWidth*phi(p)/(2*pi)]'); % source point
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- point2 = single(point1 + (SAD*kr + ir*xp(m))*10);
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- [indVisited,deffVisited] = singleRaytraceClean(tumorMaskExp,START,INC,point1,point2);
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- if ~isempty(indVisited)
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- P(m,p) = max(deffVisited);
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+ % only do this for the nominal scenario, leave same beams for others.
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+ if scenario_i == 1
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+ P = zeros(Mxp,Nphi);
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+ fprintf('Checking beam''s eye view ...\n');
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+ for p=1:Nphi
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+ % ir and jr form the beam's eye view (BEV)
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+ ir = [-sin(phi(p)); cos(phi(p)); 0];
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+ jr = [0 0 1]';
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+ % kr denotes the beam direction
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+ kr = [cos(phi(p)); sin(phi(p)); 0];
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+ for m=1:Mxp
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+ point1 = single(-kr*SAD + [0 0 zBow + pitch*fieldWidth*phi(p)/(2*pi)]'); % source point
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+ point2 = single(point1 + (SAD*kr + ir*xp(m))*10);
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+ [indVisited,deffVisited] = singleRaytraceClean(tumorMaskExp,START,INC,point1,point2);
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+ if ~isempty(indVisited)
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+ P(m,p) = max(deffVisited);
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+ end
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end
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end
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- end
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- fprintf('Finished checking BEV\n');
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+ fprintf('Finished checking BEV\n');
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+ end
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% load data required for the dose calculator
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load(kernel_file);
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@@ -231,18 +235,16 @@ for scenario_i = 1:numel(OptGoals.sss_scene_list)
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end
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% account for isocenter
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- Geometry.start_nominal = single(Geometry.start - iso);
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+ Geometry.start = single(Geometry.start - iso);
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% change Condor folder names as appropriate
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-
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-
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% do the isocenter shift
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shift = OptGoals.sss_scene_list{scenario_i}; % Y X Z
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- iso = [iso(1)+Geometry.voxel_size(1)*shift(1) ...
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- iso(2)+Geometry.voxel_size(2)*shift(2) ...
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- iso(3)+Geometry.voxel_size(3)*shift(3)];
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- Geometry.start = Geometry.start_nominal- iso;
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+ shiftVec = [Geometry.voxel_size(1)*shift(1) ...
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+ Geometry.voxel_size(2)*shift(2) ...
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+ Geometry.voxel_size(3)*shift(3)];
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+ Geometry.start = Geometry.start- shiftVec;
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% find the total number of beams
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Nbeam = Nphi*Mxp*Nyp;
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