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-rw-r--r--make_beam_trace.m16
1 files changed, 7 insertions, 9 deletions
diff --git a/make_beam_trace.m b/make_beam_trace.m
index c2257a6..f62168f 100644
--- a/make_beam_trace.m
+++ b/make_beam_trace.m
@@ -1,30 +1,28 @@
function img=make_beam_trace(beam, stop_point, border_limits, img)
% img so far beam traced part
- % border_limits has coordinates of left bottom and right top coners
+ [Ny,Nx]=size(img);
+ %% border_limits has coordinates of left bottom and right top coners
xlb=border_limits(1);
ylb=border_limits(2);
xrt=border_limits(3);
yrt=border_limits(4);
- % beam start stop coordinates with respect to lower left border point
+ %% beam start stop coordinates with respect to lower left border point
xb1=beam.origin(1)-xlb;
yb1=beam.origin(2)-ylb;
xb2=stop_point(1)-xlb;
yb2=stop_point(2)-ylb;
- % beam path coordinates
- Nc=100; % number of coordinate points
+ %% beam path coordinates
+ Nc=1000; % number of coordinate points
xb=linspace(xb1,xb2, Nc);
yb=linspace(yb1,yb2, Nc);
- % beam coordinate to image pixel coordinate
-
- [Ny,Nx]=size(img);
-
+ %% beam coordinate to image pixel coordinate
px=round(xb/(xrt-xlb)*(Nx-1) + 1);
py=round(yb/(yrt-ylb)*(Ny-1) + 1);
- % truncate to borders
+ %% truncate to borders
py=py( (1<=px) & (px<=Nx) );
px=px( (1<=px) & (px<=Nx) );