# struct cogs::PointCloud::Chunk

## Overview

Group of points in a sequence. More…

    struct Chunk {
        // fields

        uint32_t first;
        uint32_t last;

        // construction

        Chunk(uint32_t first, uint32_t last);

        // methods

        bool IsValid() const;
        uint32_t GetSize() const;
    };

## Detailed Documentation

Group of points in a sequence.

### Fields

    uint32_t first

First point belonging to the chunk.

    uint32_t last

Last point belonging to the chunk.

### Methods

    bool IsValid() const

Test whether first <= last.

    uint32_t GetSize() const

Returns number of points contained in the chunk.