stl write triangulation error.

Question

Matthew 2023-10-25

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2038151-stl-write-triangulation-error

评论： Matthew 2023-10-25

采纳的回答： Fabio Freschi

getting the error message

'input argument must be a triangulation object'

this is the code

sidelength = input('Enter Side length: ');

height = input('Enter Height: ');

ax = axes();

xlim(ax, [-20 20]);

ylim(ax, [-20 20]);

zlim(ax, [-20 20]);

view(ax, 3);

hold(ax, 'on');

x6 = (sidelength*3.078)/2;

a = ((2+sqrt(3))*(sidelength))/2; %point to point to determine midpoint starting location for new shape

a8 = (3.236*sidelength);

a1 = (a)*0.9;

h1 = -height;

angle1 = atand(height/x6);

angle2 = 90-angle1;

L = sidelength/2;

L1 = -1*(sidelength/2);

L12 = ((L)*0.9);% Y axis scaled 1:10

L123 = ((L1)*0.9);

angle_12 = 150;

d = (-1*height)*0.1; % Z axis scaled 1:10

b1 = (((sqrt(6)+sqrt(2))/2)*(sidelength));

c1 = ((sqrt(3)+1)*sidelength)*0.5;

c11 = (c1)*0.9;

c2 = -(1.902*sidelength)*0.5;

hold on

x = [c1, c11, a1, a1, a, a];

y = [c1, c11, L12, L123, L1, L];

z = [0, d, d, d, 0, 0];

c = [1; 1; 1; 1; 1; 1];

surf2solid(x,y,z,'thickness',0.1); axis image; camlight;

S = surf2solid(x,y,z,'thickness',0.1);

stlwrite('test.stl',S)

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Answer 1

Fabio Freschi 2023-10-25

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2038151-stl-write-triangulation-error#answer_1339976

编辑：Fabio Freschi 2023-10-25

在 MATLAB Online 中打开

There are two errors

The output of surf2solid is not a triangulation object
inputs of stlwrite are in the wrong order

sidelength = input('Enter Side length: ');
height = input('Enter Height: ');
ax = axes();
xlim(ax, [-20 20]);
ylim(ax, [-20 20]);
zlim(ax, [-20 20]);
view(ax, 3);
hold(ax, 'on');
x6 = (sidelength*3.078)/2;
a = ((2+sqrt(3))*(sidelength))/2;  %point to point to determine midpoint starting location for new shape
a8 = (3.236*sidelength);
a1 = (a)*0.9;
h1 = -height;
angle1 = atand(height/x6); 
angle2 = 90-angle1;
L = sidelength/2;
L1 = -1*(sidelength/2);
L12 = ((L)*0.9);% Y axis scaled 1:10
L123 = ((L1)*0.9);
angle_12 = 150;
d = (-1*height)*0.1; % Z axis scaled 1:10
b1 = (((sqrt(6)+sqrt(2))/2)*(sidelength));
c1 = ((sqrt(3)+1)*sidelength)*0.5;
c11 = (c1)*0.9;
c2 = -(1.902*sidelength)*0.5;
hold on
x = [c1, c11, a1, a1, a, a];
y = [c1, c11, L12, L123, L1, L];
z = [0, d, d, d, 0, 0];
c = [1; 1; 1; 1; 1; 1];
surf2solid(x,y,z,'thickness',0.1); axis image; camlight;
% below the changes
[T,P] = surf2solid(x,y,z,'thickness',0.1);
S = triangulation(T,P);
stlwrite(S,'test.stl')