function VerMat=ReadSTLFile()
%读取STL文件代码
filename='model1or.stl'; %指定要打开的文件名
fid=fopen(filename,'r'); %打开文件得到操作柄
VerMat(1,:)=[0 0 0];%初始化保存顶点的数组
k=0;
while(feof(fid)==0)
line=fgetl(fid);%读取文件的一行
matchev=findstr(line,'vertex');%检查该行中的数据是否包含顶点数据
if(matchev)
k=k+1;
VerMat(k,:)=OpenVertexCode(line);%提取顶点坐标
end
end
fclose(fid);
function vec=OpenVertexCode(line)
%输入变量line是一个字符串该字符串中包含一个坐标
%本程序将这个用字符存储的坐标转换为浮点型数据
%输出变量是一个数组表示顶点坐标
n=length(line);
k=0;
BlSp(1)=0;%初始化保存空格位置的数组
for i=1:n
if(line(i)==32)%发现空格
k=k+1;
BlSp(k)=i;
end
end
Pos1=BlSp(1)+1;
Pos2=BlSp(2)-1;
N=Pos2-Pos1+1;
NumCode=line(Pos1:Pos2);%提取表示x坐标的字符
vec(1)=OpenNumCode(NumCode,N);%将字符转换为为浮点型数据
Pos1=BlSp(2)+1;
Pos2=BlSp(3)-1;
N=Pos2-Pos1+1;
NumCode=line(Pos1:Pos2); %提取表示y坐标的字符
vec(2)=OpenNumCode(NumCode,N); %将字符转换为为浮点型数据
Pos1=BlSp(3)+1;
Pos2=n;
N=Pos2-Pos1+1;
NumCode=line(Pos1:Pos2); %提取表示z坐标的字符
vec(3)=OpenNumCode(NumCode,N); %将字符转换为为浮点型数据
function ab=OpenNumCode(NumCode,N)
%将字符转换为为浮点型数据
is=1;
if(NumCode(1)==45)%发现-号
is=2;
end
for i=1:N
if(NumCode(i)==46)%发现小数点
ip=i;
break;
end
end
isf=ip-1;
ise=ip+1;
af=0;
posnum=1/10;
for i=isf:-1:is
posnum=posnum*10;
af=af+(NumCode(i)-48)*posnum;
end
bf=0;
posnum=1.0;
for i=ise:N
posnum=posnum/10;
bf=bf+(NumCode(i)-48)*posnum;
end
ab=af+bf;
if(is==2)
ab=-ab;
end
ans =
-5.7541 -0.0718 -38.8109
-5.0677 -0.3154 -39.4799
-5.8575 0.4963 -38.6684
-5.8575 0.4963 -38.6684
-5.0677 -0.3154 -39.4799
-4.9378 0.3258 -39.5625
-5.7541 -0.0718 -38.8109
-5.8575 0.4963 -38.6684
-6.1530 0.2231 -37.6115
-5.1139 1.2378 -38.8971
-5.8575 0.4963 -38.6684
-4.9378 0.3258 -39.5625
-6.0525 0.8485 -37.7350
-5.8575 0.4963 -38.6684
-5.1139 1.2378 -38.8971
-5.0828 1.6273 -37.7009
-6.0525 0.8485 -37.7350
-5.1139 1.2378 -38.8971
-4.9378 0.3258 -39.5625
-5.0677 -0.3154 -39.4799
-4.0194 -0.5720 -39.7822
-3.9227 0.5562 -39.6603
-4.9378 0.3258 -39.5625
-4.0194 -0.5720 -39.7822
-5.1139 1.2378 -38.8971
-4.9378 0.3258 -39.5625
-3.9227 0.5562 -39.6603
-5.1139 1.2378 -38.8971
-3.9227 0.5562 -39.6603
-3.6484 1.2306 -38.9426
-3.6484 1.2306 -38.9426
-4.1350 1.5589 -38.3639
-5.1139 1.2378 -38.8971
-5.1139 1.2378 -38.8971
-4.1350 1.5589 -38.3639
-5.0828 1.6273 -37.7009
-5.8575 0.4963 -38.6684
-6.0525 0.8485 -37.7350
-6.1530 0.2231 -37.6115
-6.0525 0.8485 -37.7350
-5.0828 1.6273 -37.7009
-5.7653 1.1128 -36.5296
-6.1530 0.2231 -37.6115
-6.0525 0.8485 -37.7350
-5.9734 0.6910 -36.1383
-6.0163 0.1119 -35.9506
-6.1530 0.2231 -37.6115
-5.9734 0.6910 -36.1383
-6.0525 0.8485 -37.7350
-5.7653 1.1128 -36.5296
-5.9734 0.6910 -36.1383
-5.0828 1.6273 -37.7009
-4.9433 1.4499 -36.0582
-5.7653 1.1128 -36.5296
-5.0828 1.6273 -37.7009
-4.1350 1.5589 -38.3639
-3.7398 1.5689 -37.3307
-5.0828 1.6273 -37.7009
-3.7398 1.5689 -37.3307
-4.9433 1.4499 -36.0582
-4.9433 1.4499 -36.0582
-3.7398 1.5689 -37.3307
-3.7459 1.3101 -36.1270
-2.3907 -0.5489 -38.9799
-2.8175 0.1792 -39.3367
-4.0194 -0.5720 -39.7822
-2.8175 0.1792 -39.3367
-3.9227 0.5562 -39.6603
-4.0194 -0.5720 -39.7822
-3.6484 1.2306 -38.9426
-3.9227 0.5562 -39.6603
-2.8175 0.1792 -39.3367
-1.6019 0.8270 -37.7508
-3.6484 1.2306 -38.9426
-2.8175 0.1792 -39.3367
-3.6484 1.2306 -38.9426
-1.5347 1.0502 -37.0973
-4.1350 1.5589 -38.3639
-2.3907 -0.5489 -38.9799
-1.1217 -0.4754 -37.7580
-2.8175 0.1792 -39.3367
-2.8175 0.1792 -39.3367
-1.1217 -0.4754 -37.7580
-1.5623 0.3895 -38.0501
-1.5623 0.3895 -38.0501
-1.6019 0.8270 -37.7508
-2.8175 0.1792 -39.3367
-3.6484 1.2306 -38.9426
-1.6019 0.8270 -37.7508
-1.5347 1.0502 -37.0973
-1.5347 1.0502 -37.0973
-3.7459 1.3101 -36.1270
-3.7398 1.5689 -37.3307
-1.5347 1.0502 -37.0973
-2.4408 0.7302 -36.2390
-3.7459 1.3101 -36.1270
-3.7398 1.5689 -37.3307
-4.1350 1.5589 -38.3639
-1.5347 1.0502 -37.0973
-1.5623 0.3895 -38.0501
-0.3190 0.3807 -37.3983
-1.6019 0.8270 -37.7508
-1.7209 -0.1113 -36.5819
-1.9536 -0.1256 -36.0366
-2.0659 0.6777 -36.4985
-2.4408 0.7302 -36.2390
-2.0659 0.6777 -36.4985
-1.9536 -0.1256 -36.0366
-2.0659 0.6777 -36.4985
-2.4408 0.7302 -36.2390
-1.5347 1.0502 -37.0973
-6.0163 0.1119 -35.9506
-5.9734 0.6910 -36.1383
-5.9921 0.5696 -34.4892
-5.9921 0.5696 -34.4892
-5.9734 0.6910 -36.1383
-5.7653 1.1128 -36.5296
-5.7653 1.1128 -36.5296
-4.9433 1.4499 -36.0582
-5.1364 1.4389 -34.9839
-6.0163 0.1119 -35.9506
-5.9921 0.5696 -34.4892
-6.0362 0.0733 -34.4025
-5.9921 0.5696 -34.4892
-5.7653 1.1128 -36.5296
-5.1364 1.4389 -34.9839
-5.9921 0.5696 -34.4892
-5.1364 1.4389 -34.9839
-5.4430 0.8887 -33.7885
-4.9433 1.4499 -36.0582
-3.7459 1.3101 -36.1270
-3.7635 1.4364 -35.1769
-4.9433 1.4499 -36.0582
-3.7635 1.4364 -35.1769
-5.1364 1.4389 -34.9839
-4.3761 1.3440 -34.0338
-5.1364 1.4389 -34.9839
-3.7635 1.4364 -35.1769
-5.4648 0.0678 -33.2515
-6.0362 0.0733 -34.4025
-5.9921 0.5696 -34.4892
-5.4648 0.0678 -33.2515
-5.9921 0.5696 -34.4892
-5.4430 0.8887 -33.7885
-6.0362 0.0733 -34.4025
-5.4648 0.0678 -33.2515
-5.0370 -0.4855 -32.8718
-5.0370 -0.4855 -32.8718
-5.4648 0.0678 -33.2515
-4.4945 0.1076 -32.7126
-4.8020 0.8027 -33.1647
-4.4945 0.1076 -32.7126
-5.4648 0.0678 -33.2515
-5.1364 1.4389 -34.9839
-4.3761 1.3440 -34.0338
-5.4430 0.8887 -33.7885
-5.4430 0.8887 -33.7885
-4.3761 1.3440 -34.0338
-4.8020 0.8027 -33.1647
-4.8020 0.8027 -33.1647
-5.4648 0.0678 -33.2515
-5.4430 0.8887 -33.7885
-4.1662 -0.6576 -32.6182
-5.0370 -0.4855 -32.8718
-4.4945 0.1076 -32.7126
-3.7057 0.3532 -32.7385
-4.1662 -0.6576 -32.6182
-4.4945 0.1076 -32.7126
-4.8020 0.8027 -33.1647
-4.3761 1.3440 -34.0338
-3.6020 1.1865 -33.7450
-4.8020 0.8027 -33.1647
-3.7057 0.3532 -32.7385
-4.4945 0.1076 -32.7126
-4.8020 0.8027 -33.1647
-3.6020 1.1865 -33.7450
-3.7057 0.3532 -32.7385
-3.7459 1.3101 -36.1270
-2.4408 0.7302 -36.2390
-2.1311 1.0627 -35.3230
-3.7635 1.4364 -35.1769
-3.7459 1.3101 -36.1270
-2.1311 1.0627 -35.3230
-4.3761 1.3440 -34.0338
-3.7635 1.4364 -35.1769
-3.6020 1.1865 -33.7450
-3.6020 1.1865 -33.7450
-3.7635 1.4364 -35.1769
-2.1311 1.0627 -35.3230
-2.4408 0.7302 -36.2390
-1.9536 -0.1256 -36.0366
-1.8756 0.5447 -35.8724
-2.4408 0.7302 -36.2390
-1.8756 0.5447 -35.8724
-2.1311 1.0627 -35.3230
-3.6020 1.1865 -33.7450
-0.4478 0.5596 -35.1694
-2.3071 0.7962 -34.1638
-3.6020 1.1865 -33.7450
-2.1311 1.0627 -35.3230
-0.4478 0.5596 -35.1694
-4.1662 -0.6576 -32.6182
-3.7057 0.3532 -32.7385
-3.0201 -0.8782 -32.8574
-2.5237 -0.5851 -33.1058
-3.0201 -0.8782 -32.8574
-3.7057 0.3532 -32.7385
-2.7712 0.4090 -33.2751
-2.5237 -0.5851 -33.1058
-3.7057 0.3532 -32.7385
-3.6020 1.1865 -33.7450
-2.7712 0.4090 -33.2751
-3.7057 0.3532 -32.7385
-3.6020 1.1865 -33.7450
-2.3071 0.7962 -34.1638
-2.7712 0.4090 -33.2751
-2.5237 -0.5851 -33.1058
-1.1683 0.2469 -34.6532
-1.5927 -0.6385 -34.2429
-2.7712 0.4090 -33.2751
-1.1683 0.2469 -34.6532
-2.5237 -0.5851 -33.1058
-3.0201 -0.8782 -32.8574
-2.5237 -0.5851 -33.1058
-1.5927 -0.6385 -34.2429
-1.1683 0.2469 -34.6532
-2.7712 0.4090 -33.2751
-2.3071 0.7962 -34.1638
-1.5623 0.3895 -38.0501
-1.1217 -0.4754 -37.7580
-0.4871 -0.2977 -37.5129
-1.5623 0.3895 -38.0501
-0.4871 -0.2977 -37.5129
-0.3190 0.3807 -37.3983
-0.9681 -0.1610 -36.6900
-1.7209 -0.1113 -36.5819
-0.5874 0.5284 -36.5749
-0.0110 -0.1168 -36.6139
-0.9681 -0.1610 -36.6900
-0.5874 0.5284 -36.5749
-0.5874 0.5284 -36.5749
-1.7209 -0.1113 -36.5819
-2.0659 0.6777 -36.4985
-1.6019 0.8270 -37.7508
0.5105 0.6947 -36.9445
-1.5347 1.0502 -37.0973
-1.6019 0.8270 -37.7508
-0.3190 0.3807 -37.3983
0.5105 0.6947 -36.9445
-1.5347 1.0502 -37.0973
-0.5874 0.5284 -36.5749
-2.0659 0.6777 -36.4985
-1.5347 1.0502 -37.0973
0.5105 0.6947 -36.9445
-0.5874 0.5284 -36.5749
0.6595 -0.4969 -37.2706
-0.3190 0.3807 -37.3983
-0.4871 -0.2977 -37.5129
1.0514 0.3241 -36.3225
-0.0110 -0.1168 -36.6139
-0.5874 0.5284 -36.5749
0.8797 -0.2797 -36.3141
-0.0110 -0.1168 -36.6139
1.0514 0.3241 -36.3225
1.0514 0.3241 -36.3225
-0.5874 0.5284 -36.5749
0.5105 0.6947 -36.9445
-0.3750 -0.2164 -35.8970
-1.8756 0.5447 -35.8724
-1.9536 -0.1256 -36.0366
0.1475 0.3609 -36.0402
-1.8756 0.5447 -35.8724
-0.3750 -0.2164 -35.8970
0.4451 0.2184 -35.3344
-0.6120 -0.4660 -35.0246
-1.1683 0.2469 -34.6532
-0.1847 0.7019 -35.5669
-2.1311 1.0627 -35.3230
-1.8756 0.5447 -35.8724
-2.1311 1.0627 -35.3230
-0.1847 0.7019 -35.5669
-0.4478 0.5596 -35.1694
-1.8756 0.5447 -35.8724
0.1475 0.3609 -36.0402
-0.1847 0.7019 -35.5669
-0.3750 -0.2164 -35.8970
0.8797 -0.2797 -36.3141
1.0514 0.3241 -36.3225
1.0514 0.3241 -36.3225
0.1475 0.3609 -36.0402
-0.3750 -0.2164 -35.8970
0.5291 -0.6174 -35.4134
-0.6120 -0.4660 -35.0246
0.4451 0.2184 -35.3344
1.8248 0.5483 -36.1251
0.1475 0.3609 -36.0402
1.0514 0.3241 -36.3225
0.1475 0.3609 -36.0402
1.8248 0.5483 -36.1251
-0.1847 0.7019 -35.5669
-0.1847 0.7019 -35.5669
2.1277 0.1952 -35.7018
-0.4478 0.5596 -35.1694
-0.1847 0.7019 -35.5669
1.8248 0.5483 -36.1251
2.1277 0.1952 -35.7018
-0.4478 0.5596 -35.1694
2.1277 0.1952 -35.7018
0.4451 0.2184 -35.3344
-1.5927 -0.6385 -34.2429
-1.1683 0.2469 -34.6532
-0.6120 -0.4660 -35.0246
-1.1683 0.2469 -34.6532
-2.3071 0.7962 -34.1638
-0.4478 0.5596 -35.1694
-1.1683 0.2469 -34.6532
-0.4478 0.5596 -35.1694
0.4451 0.2184 -35.3344
-0.3190 0.3807 -37.3983
2.6749 -0.2295 -37.0953
0.5105 0.6947 -36.9445
2.2094 0.4122 -36.7810
0.5105 0.6947 -36.9445
2.6749 -0.2295 -37.0953
1.0514 0.3241 -36.3225
0.5105 0.6947 -36.9445
1.8248 0.5483 -36.1251
1.8248 0.5483 -36.1251
0.5105 0.6947 -36.9445
2.2094 0.4122 -36.7810
2.8194 -0.8686 -35.8169
0.5291 -0.6174 -35.4134
2.7964 -0.7689 -35.7345
2.6749 -0.2295 -37.0953
2.2565 -0.6953 -37.2165
3.0828 -0.9685 -36.9684
3.0828 -0.9685 -36.9684
3.2683 -1.0088 -36.3550
3.0670 -0.0164 -36.4553
2.6749 -0.2295 -37.0953
3.0828 -0.9685 -36.9684
3.0670 -0.0164 -36.4553
2.2094 0.4122 -36.7810
2.6749 -0.2295 -37.0953
3.0670 -0.0164 -36.4553
3.2683 -1.0088 -36.3550
2.8194 -0.8686 -35.8169
2.7964 -0.7689 -35.7345
3.2683 -1.0088 -36.3550
2.7964 -0.7689 -35.7345
2.8333 -0.0592 -35.9706
2.8333 -0.0592 -35.9706
3.0670 -0.0164 -36.4553
3.2683 -1.0088 -36.3550
1.8248 0.5483 -36.1251
2.2094 0.4122 -36.7810
3.0670 -0.0164 -36.4553
3.0670 -0.0164 -36.4553
2.8333 -0.0592 -35.9706
1.8248 0.5483 -36.1251
2.8333 -0.0592 -35.9706
2.1277 0.1952 -35.7018
1.8248 0.5483 -36.1251
2.7964 -0.7689 -35.7345
2.1277 0.1952 -35.7018
2.8333 -0.0592 -35.9706
1.3884 -0.5856 -37.2277
2.2565 -0.6953 -37.2165
2.6749 -0.2295 -37.0953
2.1277 0.1952 -35.7018
2.7964 -0.7689 -35.7345
0.4451 0.2184 -35.3344
2.7964 -0.7689 -35.7345
0.5291 -0.6174 -35.4134
0.4451 0.2184 -35.3344
0.6595 -0.4969 -37.2706
2.6749 -0.2295 -37.0953
-0.3190 0.3807 -37.3983
1.3884 -0.5856 -37.2277
2.6749 -0.2295 -37.0953
0.6595 -0.4969 -37.2706```
