1 /******************************************************************************
2  * $Id$
3  *
4  * Project:  libLAS - http://liblas.org - A BSD library for LAS format data.
5  * Purpose:  LAS writer implementation for C++ libLAS
6  * Author:   Mateusz Loskot, mateusz@loskot.net
7  *
8  ******************************************************************************
9  * Copyright (c) 2008, Mateusz Loskot
10  *
11  * All rights reserved.
12  *
13  * Redistribution and use in source and binary forms, with or without
14  * modification, are permitted provided that the following
15  * conditions are met:
16  *
17  *     * Redistributions of source code must retain the above copyright
18  *       notice, this list of conditions and the following disclaimer.
19  *     * Redistributions in binary form must reproduce the above copyright
20  *       notice, this list of conditions and the following disclaimer in
21  *       the documentation and/or other materials provided
22  *       with the distribution.
23  *     * Neither the name of the Martin Isenburg or Iowa Department
24  *       of Natural Resources nor the names of its contributors may be
25  *       used to endorse or promote products derived from this software
26  *       without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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32  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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34  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
35  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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39  * OF SUCH DAMAGE.
40  ****************************************************************************/
41 
42 #ifndef LIBLAS_DETAIL_WRITER_HPP_INCLUDED
43 #define LIBLAS_DETAIL_WRITER_HPP_INCLUDED
44 
45 #include <liblas12/lasspatialreference.hpp>
46 #include <liblas12/detail/fwd.hpp>
47 #include <liblas12/detail/utility.hpp>
48 
49 #ifndef HAVE_GDAL
50     typedef struct OGRCoordinateTransformationHS *OGRCoordinateTransformationH;
51     typedef struct OGRSpatialReferenceHS *OGRSpatialReferenceH;
52 #endif
53 
54 // std
55 #include <iosfwd>
56 
57 namespace liblas { namespace detail {
58 
59 class Writer
60 {
61 public:
62 
63     Writer(std::ostream& ofs);
64     virtual ~Writer();
65     virtual std::size_t GetVersion() const = 0;
66     virtual void WriteHeader(LASHeader& header) = 0;
67     virtual void UpdateHeader(LASHeader const& header) = 0;
68     virtual void WritePointRecord(LASPoint const& point, const LASHeader& header) = 0;
69     std::ostream& GetStream() const;
70     uint32_t WriteVLR(LASHeader const& header);
71 
72     void SetSRS(const LASSpatialReference& srs);
73 
74 protected:
75     PointRecord m_record;
76     std::ostream& m_ofs;
77 
78     void FillPointRecord(PointRecord& record, const LASPoint& point, const LASHeader& header);
79 
80     void Project(LASPoint& point);
81     LASSpatialReference m_out_srs;
82     LASSpatialReference m_in_srs;
83 
84     OGRCoordinateTransformationH m_transform;
85     OGRSpatialReferenceH m_in_ref;
86     OGRSpatialReferenceH m_out_ref;
87 
88 private:
89 
90     // Blocked copying operations, declared but not defined.
91     Writer(Writer const& other);
92     Writer& operator=(Writer const& rhs);
93 
94 };
95 
96 class WriterFactory
97 {
98 public:
99 
100     static Writer* Create(std::ostream& ofs, LASHeader const& header);
101     static void Destroy(Writer* p);
102 };
103 
104 }} // namespace liblas::detail
105 
106 #endif // LIBLAS_DETAIL_WRITER_HPP_INCLUDED
107