点云库pcl中的pcd文件

# .PCD v.7 - Point Cloud Data file format FIELDS x y z rgb SIZE 4 4 4 4 TYPE F F F F COUNT 1 1 1 1 WIDTH 640 HEIGHT 480 VIEWPOINT 0 0 0 1 0 0 0 POINTS 307200 DATA ascii -0.7418486 -0.5560962 1.219 1.603266e-38 -0.8105066 -0.6094705 1.336 1.603301e-38 0 0 0 1.63089e-38 0 0 0 1.658438e-38 0 0 0 1.66766e-38 0 0 0 1.685989e-38 0 0 0 1.722689e-38 0 0 0 1.768425e-38 0 0 0 1.740735e-38 0 0 0 1.713503e-38 0 0 0 1.704503e-38 0 0 0 1.7045e-38 0 0 0 1.713758e-38 0 0 0 1.723083e-38 0 0 0 1.787766e-38 0 0 0 1.851905e-38 0 0 0 1.861055e-38 0 0 0 1.870237e-38 0 0 0 1.870275e-38 0 0 0 1.879457e-38 0 0 0 1.851907e-38 0 0 0 1.833503e-38 0 0 0 1.842724e-38 0 0 0 1.861053e-38 0 0 0 1.88857e-38 0 0 0 1.916154e-38 0 0 0 1.861091e-38 0 0 0 1.815171e-38 0 0 0 1.833504e-38 0 0 0 1.861017e-38 0 0 0 1.870202e-38 0 0 0 1.879348e-38 0 0 0 1.870203e-38 0 0 0 1.870234e-38 0 0 0 1.879458e-38 0 0 0 1.888529e-38 0 0 0 1.87935e-38 0 0 0 1.870165e-38 0 0 0 1.851799e-38 0 0 0 1.842578e-38 0 0 0 1.8518e-38 0 0 0 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