diff --git a/source/01_intro.txt b/source/01_intro.txt index 4c6695b..542d8ca 100644 --- a/source/01_intro.txt +++ b/source/01_intro.txt @@ -43,6 +43,8 @@ The additions of LAS 1.5 include (topic links included when applicable): `I-129 `_) * Clarify requirement that the Extra Bytes VLR must be unique. (`I-150 `_) + * Deprecated Classification Lookup VLR. + (`I-82 `_) Conformance diff --git a/source/04_optional_vlrs.txt b/source/04_optional_vlrs.txt index bbef937..6f968b6 100644 --- a/source/04_optional_vlrs.txt +++ b/source/04_optional_vlrs.txt @@ -7,7 +7,12 @@ Optional VLR Definitions -------------------------------------------------------------------------------- -Classification Lookup +Definitions for official :ref:`vlrdef_label` and :ref:`evlrdef_label` +are provided in this section as a means to extend the LAS file format. +Additional VLR and EVLR definitions contributed by the LAS Working Group and the +LAS community can be found on the :ref:`Official LAS Wiki `. + +Classification Lookup (Deprecated) ................................................................................ +----------------------------+-----------------------------------+ @@ -25,6 +30,11 @@ Classification Lookup char Description[15]; }; //total of 16 bytes +The legacy Classification Lookup VLR (Record ID 0) has been a feature of the LAS specification +since LAS 1.0. This VLR is deprecated in LAS 1.5 due to the limitation of +15 characters being insufficient for a detailed description. An updated +version of the VLR may be found on the :ref:`Official LAS Wiki `. + Text Area Description ................................................................................ @@ -237,6 +247,10 @@ updating a record such as projection information where a new EVLR is appended to the end of the LAS file. The existing VLR which has been superseded must be marked with the SUPERSEDED Record ID. +.. raw:: latex + + \newpage + .. _fwf_descriptor_label: Waveform Packet Descriptor