function?ptch?=?build_model（?voxels?）
%?build_model（?voxels?）
%??This?function?is?used?to?draw?a?surface?based?on?the?provided?voxels?
%??structure.?It?uses?Matlab‘s?ISOSURFACE?command?to?do?that.
%?
%?ARGUMENTS:
%?VOXELS?=?this?argument?contains?the?voxels?to?be?drawn.?
%
%?RETURNS:
%?PTCH?=?SHOWSURFACE（VOXELS）?also?returns?handles?to?the?patches?created.
%

%?First?puts?the?data?in?a?grid
data_x?=?unique（voxels.XData）;
data_y?=?unique（voxels.YData）;
data_z?=?unique（voxels.ZData）;

%?Then?expands?the?model?in?each?direction?by?one?step
data_x?=?[data_x（1）-voxels.Resolution;?data_x;?data_x（end）+voxels.Resolution];
data_y?=?[data_y（1）-voxels.Resolution;?data_y;?data_y（end）+voxels.Resolution];
data_z?=?[data_z（1）-voxels.Resolution;?data_z;?data_z（end）+voxels.Resolution];

%?Convert?to?a?grid
[XYZ]?=?meshgrid（?data_x?data_y?data_z?）;

%?Create?a?voxel?grid?with?empty?spaces?and?fill?only?those?elements?
%?where?voxels?are?present.
V?=?zeros（?size（?X?）?）;
N?=?numel（?voxels.XData?）;
for?ii=1:N
????ix?=?（data_x?==?voxels.XData（ii））;
????iy?=?（data_y?==?voxels.YData（ii））;
????iz?=?（data_z?==?voxels.ZData（ii））;
????V（iyixiz）?=?voxels.Value（ii）;
end

%?Now?draw?it
ptch?=?patch（?isosurface（?X?Y?Z?V?0.5?）?）;
isonormals（?X?Y?Z?V?ptch?）
set（?ptch‘FaceColor‘?‘black‘?‘EdgeColor‘?‘red‘?）;

set（gca‘DataAspectRatio‘[1?1?1]）;
xlabel（‘X‘）;
ylabel（‘Y‘）;
zlabel（‘Z‘）;
view（130-25）
lighting（?‘gouraud‘?）
axis（?‘tight‘?）

?屬性????????????大小?????日期????時(shí)間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2017-04-18?14:40??project\
?????文件????????1443??2013-05-31?19:17??project\build_model.m
?????目錄???????????0??2017-04-18?14:40??project\data\
?????文件??????388594??2013-05-31?19:17??project\data\0.jpg
?????文件??????395946??2013-05-31?19:17??project\data\1.jpg
?????文件??????496935??2013-05-31?19:17??project\data\10.jpg
?????文件??????488137??2013-05-31?19:17??project\data\11.jpg
?????文件??????441134??2013-05-31?19:17??project\data\12.jpg
?????文件??????427088??2013-05-31?19:17??project\data\13.jpg
?????文件??????458722??2013-05-31?19:17??project\data\14.jpg
?????文件??????525791??2013-05-31?19:17??project\data\15.jpg
?????文件??????582925??2013-05-31?19:17??project\data\16.jpg
?????文件??????502297??2013-05-31?19:17??project\data\17.jpg
?????文件??????511186??2013-05-31?19:17??project\data\18.jpg
?????文件??????548797??2013-05-31?19:17??project\data\19.jpg
?????文件??????361701??2013-05-31?19:17??project\data\2.jpg
?????文件??????548873??2013-05-31?19:17??project\data\20.jpg
?????文件??????518973??2013-05-31?19:17??project\data\21.jpg
?????文件??????550512??2013-05-31?19:17??project\data\22.jpg
?????文件??????597930??2013-05-31?19:17??project\data\23.jpg
?????文件??????368549??2013-05-31?19:17??project\data\3.jpg
?????文件??????315052??2013-05-31?19:17??project\data\4.jpg
?????文件??????337683??2013-05-31?19:17??project\data\5.jpg
?????文件??????358522??2013-05-31?19:17??project\data\6.jpg
?????文件??????421499??2013-05-31?19:17??project\data\7.jpg
?????文件??????521621??2013-05-31?19:17??project\data\8.jpg
?????文件??????507293??2013-05-31?19:17??project\data\9.jpg
?????文件????????2039??2013-05-31?19:17??project\data\morp.mat
?????文件????????1466??2013-05-31?19:17??project\data\morp2.mat
?????文件????????1073??2013-05-31?19:17??project\generate_silhouettes.m
?????文件?????????912??2013-05-31?19:17??project\generate_voxels.m
............此處省略7個(gè)文件信息