Convert LAZ to LAS

Understanding LAZ and LAS file formats

LAZ is a compressed version of the LAS file format, both of which are widely used for storing LiDAR point cloud data. LAS files are the industry standard for exchanging and archiving LiDAR data, offering a binary format that preserves detailed information about each point. LAZ files use lossless compression to significantly reduce file size while maintaining all original data, making them ideal for storage and transfer.

Why convert LAZ to LAS?

Converting LAZ to LAS is often necessary when working with software that does not support compressed LAZ files or when uncompressed data is required for processing, analysis, or editing.

Best software for LAZ to LAS conversion

The most recommended tool for converting LAZ to LAS is LAStools, specifically the laszip utility. LAStools is a popular suite for LiDAR data processing, known for its speed and reliability.

How to convert LAZ to LAS using LAStools

1. Download and install LAStools from the official website.
2. Open a command prompt or terminal window.
3. Navigate to the directory containing your .laz file.
4. Run the following command:
   laszip -i input.laz -o output.las
5. The tool will decompress the LAZ file and create a corresponding LAS file.

Alternative: Using CloudCompare

CloudCompare is a free, open-source 3D point cloud processing software that can also convert LAZ to LAS:

1. Open CloudCompare.
2. Go to File → Open and select your .laz file.
3. Once loaded, select the point cloud in the DB Tree.
4. Go to File → Save and choose LAS as the output format.

Summary

Converting LAZ to LAS is straightforward with tools like LAStools and CloudCompare. Choose the tool that best fits your workflow and software compatibility needs.