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-rw-r--r--beam_trace.m10
1 files changed, 5 insertions, 5 deletions
diff --git a/beam_trace.m b/beam_trace.m
index 4120208..53bb4b6 100644
--- a/beam_trace.m
+++ b/beam_trace.m
@@ -1,10 +1,10 @@
-function ret = beam_trace(beams, faces, borders)
+function img = beam_trace(beams, faces, borders, border_limits, img)
%% trace beam and all it reflections and refractions on faces
% for beams and faces structure description see face_beam_interaction.m
% border similar to faces cell array which enclose the beam
% i.e. it does not leave the polygon consisting of border faces
- intensity_threshold = .001;
+ intensity_threshold = 1e-8; % intensity of the weakest beam which we still trace
Nbeams=size(beams)(2);
if ( Nbeams == 0 )
@@ -17,18 +17,18 @@ function ret = beam_trace(beams, faces, borders)
beam=beams{i};
[is_face_hit, hit_position, hit_distance, new_beams] = face_beam_interaction(beam, faces);
if (is_face_hit)
+ img=make_beam_trace(beam, hit_position, border_limits, img);
%% remove beams which are to weak to trace
N_new_beams=size(new_beams)(2);
intense_enough_beams={};
intense_beams_counter=0;
for k=1:N_new_beams
- if ( new_beams{k}.intensity > intensity_threshold )
+ if ( new_beams{k}.intensity >= intensity_threshold )
intense_beams_counter=intense_beams_counter + 1;
intense_enough_beams{intense_beams_counter}=new_beams{k};
end
end
- intense_beams_counter
- beam_trace(intense_enough_beams, faces, borders );
+ img = beam_trace(intense_enough_beams, faces, borders, border_limits, img);
else
% beam does not hit face but it should stop and borders
beam.face=NA;