MATLAB Function Reference (Volume 2: Graphics)

coneplot• Draw the cones, setting the scale factor to 5 to make the cones larger thanthe default size.• Set the coloring of each cone (FaceColor, EdgeColor).daspect([2,2,1])xrange = linspace(xmin,xmax,8);yrange = linspace(ymin,ymax,8);zrange = 3:4:15;[cx cy cz] = meshgrid(xrange,yrange,zrange);hcones = coneplot(x,y,z,u,v,w,cx,cy,cz,5);set(hcones,'FaceColor','red','EdgeColor','none')Add the Slice Planes• Calculate the magnitude of the vector field (which represents wind speed) togenerate scalar data for the slice command.• Create slice planes along the x-axis at xmin and xmax, along the y-axis atymax, and along the z-axis at zmin.• Specify interpolated face color so the slice coloring indicates wind speed anddo not draw edges (hold, slice, FaceColor, EdgeColor).hold onwind_speed = sqrt(u.^2 + v.^2 + w.^2);hsurfaces = slice(x,y,z,wind_speed,[xmin,xmax],ymax,zmin);set(hsurfaces,'FaceColor','interp','EdgeColor','none')hold offDefine the View• Use the axis command to set the axis limits equal to the range of the data.• Orient the view to azimuth = 30 and elevation = 40 (rotate3d is a usefulcommand for selecting the best view).• Select perspective projection to provide a more realistic looking volume(camproj).• Zoom in on the scene a little to make the plot as large as possible (camzoom).axis tight; view(30,40); axis offcamproj perspective; camzoom(1.5)2-97