长宁广州网站建设,网站后台文章编辑器,阿里国际网站首页可以做全屏不,开发小程序费用主要学习了画空间圆柱体和空间长方形的绘制方法。有两个surface property#xff1a;FaceColor和EdgeColor’;先讲FaceColor’#xff0c;它指定了surface画出曲面的颜色#xff0c;可以是[r,g,b]的一个向量#xff0c;分别表示了红绿蓝的颜色配比#xff1b;也可以是inte…主要学习了画空间圆柱体和空间长方形的绘制方法。有两个surface propertyFaceColor和EdgeColor’;先讲FaceColor’它指定了surface画出曲面的颜色可以是[r,g,b]的一个向量分别表示了红绿蓝的颜色配比也可以是interp’画出来是由z的值决定的渐变色可以使用colormapeditor来调节颜色(在代码中写上colormapeditor即可唤出调色板)然后是EdgeColor’它会在曲面的表面画出网格指定颜色的方法同上。但是有一个疑问没有解决就是如何只显示各个棱的网格线而不是整个面的网格线这个留待后面继续摸索吧。surface(x,y,z)函数画出来的图像如果想要平移可以直接在带入参数时修改。比如沿z轴正方向平移10就是surface(x,y,z10);最后有一个实现视角自动旋转的小功能view(az,el)中az可以调节物体旋转的角度el调节摄像机的俯仰角度for i1:120view(i*1, 30);pause(0.01);end代码如下:function test()%%clear;clc;clf;z_delta 6;%% draw headA imread(head.jpg);[x,y,z]sphere(30);h0surface(x,y,z z_delta,EdgeColor,none);rotate(h0, [0,0,1], 90);set(h0,CData,A,FaceColor,texturemap);%texturemap纹理贴图%% draw body% FaceColor (orange)face_color interp; %[1, 0.6, 0];edge_color b;colormapeditor;% up board[x1,y1] meshgrid(-1:0.1:1, -1:0.1:1);z1 repmat(-1, 21, 21);h1surface(x1,y1,z1 z_delta, EdgeColor,edge_color,FaceColor,face_color);% left boardx2 repmat(1, 21, 21); y2 repmat([-1:0.1:1],21,1);for i1:21 for j1:21 z2(i,j)-1-(i-1)*0.25;endendh2surface(x2,y2,z2 z_delta,EdgeColor,edge_color,FaceColor,face_color);% right boardx3 repmat(-1, 21, 21);y3 repmat([-1:0.1:1],21,1);for i1:21 for j1:21 z3(i,j)-1-(i-1)*0.25; endendh3surface(x3,y3,z3 z_delta,EdgeColor,edge_color,FaceColor,face_color);%front boardy4 repmat(1, 21, 21); %#okx4 repmat([-1:0.1:1],21,1);for i1:21 for j1:21 z4(i,j)-1-(i-1)*0.25; endendh4surface(x4,y4,z4 z_delta,EdgeColor,edge_color,FaceColor,face_color);% back boardy5 repmat(-1, 21, 21);x5 repmat([-1:0.1:1],21,1);fori1:21 for j1:21 z5(i,j)-1-(i-1)*0.25; endendh5surface(x5,y5,z5 z_delta,EdgeColor,edge_color,FaceColor,face_color);%% draw armsrobot robot_model();r_arm 0.3;num_of_surf 36;for i2:5 if mod(i,2)1 color_arm r; else color_arm b; end [Cylinder(i),EndPlate1(i), EndPlate2(i)] cylinder3(robot(i).position, robot(i1).position, r_arm, num_of_surf, color_arm, 1, 0);endfor i7:10 if mod(i,2)1 color_arm r; else color_arm b; end [Cylinder(i), EndPlate1(i), EndPlate2(i)] cylinder3(robot(i).position,robot(i1).position, r_arm, num_of_surf, color_arm, 1, 0);end%% rotate the angle of viewgrid on;axis equal;axis fill;for i1:120 view(i*1, 30); pause(0.01);endend下面是由两个点画出一个空间圆柱体的代码从CSDN上下载的别人的程序就拿来直接用于画胳膊了。function [Cylinder, EndPlate1, EndPlate2] cylinder3(X1,X2,r,n,cyl_color,closed,lines)%% This function constructs a cylinder connecting two center points%% Usage :% [Cylinder EndPlate1 EndPlate2] cylinder3(X120,X2,r,n,r,closed,lines)%% Cylinder-------Handle of the cylinder% EndPlate1------Handle of the Starting End plate% EndPlate2------Handle of the Ending End plate% X1 and X2 are the 3x1 vectors of the two points% r is the radius of the cylinder% n is the no. of elements on the cylinder circumference (more-- refined)% cyl_color is the color definition like r,b,[0.52 0.52 0.52]% closed1 for closed cylinder or 0 for hollow open cylinder% lines1 for displaying the line segments on the cylinder 0 for only% surface%% Typical Inputs% X1[10 10 10];% X2[35 20 40];% r1;% n20;% cyl_colorb;% closed1;%% NOTE: There is a MATLAB function cylinder to revolve a curve about an% axis. This Cylinder provides more customization like direction and etc%%%%%%%%%%if (X1(1) X2(1))tmpX X1; X1 X2; X2 tmpX;end% Calculating the length of the cylinderlength_cylnorm(X2-X1);% Creating a circle in the YZ planetlinspace(0,2*pi,n);x2r*cos(t);x3r*sin(t);% Creating the points in the X-Directionx1[0 length_cyl];% Creating (Extruding) the cylinder points in the X-Directionsxx1repmat(x1,length(x2),1);xx2repmat(x2,1,2);xx3repmat(x3,1,2);% Drawing two filled cirlces to close the cylinderif closed1hold onEndPlate1fill3(xx1(:,1),xx2(:,1),xx3(:,1),r);EndPlate2fill3(xx1(:,2),xx2(:,2),xx3(:,2),r);end% Plotting the cylinder along the X-Direction with required length starting% from OriginCylindermesh(xx1,xx2,xx3);% Defining Unit vector along the X-directionunit_Vx[1 0 0];% Calulating the angle between the x direction and the required direction% of cylinder through dot productangle_X1X2acos( dot( unit_Vx,(X2-X1) )/( norm(unit_Vx)*norm(X2-X1)) )*180/pi;% Finding the axis of rotation (single rotation) to roate the cylinder in% X-direction to the required arbitrary direction through cross productaxis_rotcross([1 0 0],(X2-X1) );% Rotating the plotted cylinder and the end plate circles to the required% anglesif angle_X1X2~0 % Rotation is not needed if required direction is along Xrotate(Cylinder,axis_rot,angle_X1X2,[0 0 0])if closed1rotate(EndPlate1,axis_rot,angle_X1X2,[0 0 0])rotate(EndPlate2,axis_rot,angle_X1X2,[0 0 0])endend% Till now cylinder has only been aligned with the required direction, but% position starts from the origin. so it will now be shifted to the right% positionif closed1set(EndPlate1,XData,get(EndPlate1,XData)X1(1))set(EndPlate1,YData,get(EndPlate1,YData)X1(2))set(EndPlate1,ZData,get(EndPlate1,ZData)X1(3))set(EndPlate2,XData,get(EndPlate2,XData)X1(1))set(EndPlate2,YData,get(EndPlate2,YData)X1(2))set(EndPlate2,ZData,get(EndPlate2,ZData)X1(3))endset(Cylinder,XData,get(Cylinder,XData)X1(1))set(Cylinder,YData,get(Cylinder,YData)X1(2))set(Cylinder,ZData,get(Cylinder,ZData)X1(3))% Setting the color to the cylinder and the end platesset(Cylinder,FaceColor,cyl_color)if closed1set([EndPlate1 EndPlate2],FaceColor,cyl_color)elseEndPlate1[];EndPlate2[];end% If lines are not needed making it disapearif lines0set(Cylinder,EdgeAlpha,0)end
