Slice plot from excel sheet conatining x, y, z and temeprature at each points in volume. the points are not in grid format.

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Sohan Birla 2014-9-19

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编辑： Image Analyst 2014-9-19

I would like to plot volume and slice plot form a excel sheet which has x, y, z and temperature at coordinates in column 1 to 4. the No of rows are 1000 same as no. of points. Please provide your thoughts for generating slice plot at particular z coordinates.

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Answer 1

Image Analyst 2014-9-19

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https://ww2.mathworks.cn/matlabcentral/answers/155466-slice-plot-from-excel-sheet-conatining-x-y-z-and-temeprature-at-each-points-in-volume-the-points#answer_152280

编辑：Image Analyst 2014-9-19

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You have a bunch of temperatures scattered around a 3D volume. You don't have temperatures for every single x,y,z in that volume, but you'd like to have that, so that you can get a plane in the x-y plane that is at a particular z height. So you need to build your solid 3D volume. For that you can use the scatteredInterpolant() class . This will give you a regular grid - a 3D array with temperatures at every single x,y,z location. Then you can extract a slice at some chosen z value like this:

xy2DSlice = array3d(:,:,z); % You tell it what z you want.