The LAS Room

Martin Isenburg has set up a public forum on Google Groups that he as dubbed the LAS Room. His reason for doing this is “I created a public forum – “the LAS room” – for those who want LAS to succeed as an open standard where you can go on record with bug reports, suggestions, and concerns about the current and proposed specifications.”

Martin is concerned that the upcoming 1.4 version of LAS is not backward compatible.

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One Response to The LAS Room

  1. Karl Heidemann, personal says:

    Since LAS v1.0 was released, the format has included a variety of “features” that the industry has not bothered to utilize; even though some of those features are Mandatory. I have worked closely with Lewis over the years and the versions; v1.4 includes several changes that I have lobbied for and feel are necessary for us, as the entire lidar community, to take fuller advantage of LIDAR data — to evolve.

    I believe that much of the insistence that we remain compatible with v1.2/1.3 readers is because people want to keep using the v1.2/1.3 Point Record Formats in files that identify themselves as v1.4. This Will Not Do. The point of much of v1.4 is to CORRECT the shortcomings of v1.2/1.3. Allowing the continued use of flawed Point Record Formats defeats the very purpose of having a v1.4.

    On another topic:
    The LAS specification is “owned” by the ASPRS. The ASPRS maintains it through the LAS WG. The ASPRS has established the mechanisms through which modifications and updates can be suggested, vetted, and reviewed. This process includes comment periods by the full ASPRS membership.

    I am a member of the LAS WG, and a 15+ year member of the ASPRS. It is not our responsibility to monitor and check any or every Bulletin Board and Chat Room on the Web to see how this group or that group “feels” about what we are doing. If anybody is unhappy about their representation in this process, I suggest you JOIN ASPRS; PAY your Annual Dues; VOLUNTEER to sit on Committees; and STAND for Office. This is how it works.

    Note that you are ALWAYS free to develop your own “open source” lidar point file specification, put it out there for the world to use, and maintain it any way you please.

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