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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN" "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd">
<refentry id='lasblock'>
<refmeta>
<refentrytitle>lasblock</refentrytitle>
<manvolnum>1</manvolnum>
</refmeta>
<refnamediv>
<refname>lasblock</refname>
<refpurpose>pre-process LAS files into blocks</refpurpose>
</refnamediv>
<refsynopsisdiv id='synopsis'>
<cmdsynopsis>
<command>lasblock</command>
<group>
<arg choice='opt'><option>-h</option></arg>
<arg choice='plain'>
<arg choice='opt'><option>-c</option> <replaceable>arg</replaceable></arg>
<arg choice='opt'><option>-p</option> <replaceable>arg</replaceable></arg>
<option>-i</option> <replaceable>arg</replaceable>
<arg choice='opt'><option>-o</option> <replaceable>arg</replaceable></arg>
<arg choice='opt'><option>-v</option></arg>
</arg>
</group>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='description'>
<title>DESCRIPTION</title>
<para>
<command>lasblock</command> displays LAS file details with optional
output filters.
While <command>lasblock</command> can do a few simple operations like
updating header information, more drastic changes, like removing points
or altering values, will require
<citerefentry>
<refentrytitle>las2las</refentrytitle>
<manvolnum>1</manvolnum>
</citerefentry>.
</para>
</refsect1>
<refsect1 id='options'>
<title>OPTIONS</title>
<variablelist>
<varlistentry>
<term><option>-h</option></term>
<term><option>--help</option></term>
<listitem>
<para>
Produce help message
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-c</option> <replaceable>arg</replaceable></term>
<term><option>--capacity</option> <replaceable>arg</replaceable></term>
<listitem>
<para>
Number of points to nominally put into each block
(note that this number will not be exact).
Default: 3000
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-p</option> <replaceable>arg</replaceable></term>
<term><option>--precision</option> <replaceable>arg</replaceable></term>
<listitem>
<para>
Number of decimal points to write for each bbox. Default: 8
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-i</option> <replaceable>arg</replaceable></term>
<term><option>--input</option> <replaceable>arg</replaceable></term>
<listitem>
<para>
input LAS file
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-o</option> <replaceable>arg</replaceable></term>
<term><option>--output</option> <replaceable>arg</replaceable></term>
<listitem>
<para>
The output .kdx file (defaults to input filename + .kdx)
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>-v</option></term>
<term><option>--verbose</option></term>
<listitem>
<para>
Verbose message output
</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id='example'>
<title>EXAMPLE</title>
<example>
Block a file, and write out blocks with 6 decimals of precision with a
nominal capacity of 3000 points per block:
<screen>
lasblock -c 3001 -p 6 myfile.las
</screen>
<formalpara>
<title>Note</title>
<para>
If no capacity is specified with <option>-c</option>,
<literal>10000</literal> is assumed.
</para>
</formalpara>
<formalpara>
<title>Note</title>
<para>
<command>lasblock</command> will always write out a
<filename>myfile.las.kdx</filename> file name by default,
but you can override the output name with a
<option>-o</option> command-line switch.
</para>
</formalpara>
</example>
</refsect1>
</refentry>
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