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    %% Downsample Point Cloud With Fixed Step
% 
%%
% Read and display a point cloud file.

% Copyright 2015 The MathWorks, Inc.

ptCloud = pcread('teapot.ply');
figure
pcshow(ptCloud);
%%
% Downsample a point cloud with fixed step size 
stepSize = 10;
indices = 1:stepSize:ptCloud.Count;
%%
% Select indexed point cloud.
ptCloudOut = select(ptCloud, indices);
%%
% Display the selected point cloud.
figure
pcshow(ptCloudOut);