GXF
gxfopen.h
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1 /******************************************************************************
2  * $Id: gxfopen.h 35335 2016-09-05 20:18:57Z goatbar $
3  *
4  * Project: GXF Reader
5  * Purpose: GXF-3 access function declarations.
6  * Author: Frank Warmerdam, warmerdam@pobox.com
7  *
8  ******************************************************************************
9  * Copyright (c) 1998, Global Geomatics
10  * Copyright (c) 1998, Frank Warmerdam
11  *
12  * Permission is hereby granted, free of charge, to any person obtaining a
13  * copy of this software and associated documentation files (the "Software"),
14  * to deal in the Software without restriction, including without limitation
15  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
16  * and/or sell copies of the Software, and to permit persons to whom the
17  * Software is furnished to do so, subject to the following conditions:
18  *
19  * The above copyright notice and this permission notice shall be included
20  * in all copies or substantial portions of the Software.
21  *
22  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
23  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
25  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28  * DEALINGS IN THE SOFTWARE.
29  ****************************************************************************/
30 
31 #ifndef GXFOPEN_H_INCLUDED
32 #define GXFOPEN_H_INCLUDED
33 
40 /* -------------------------------------------------------------------- */
41 /* Include standard portability stuff. */
42 /* -------------------------------------------------------------------- */
43 #include "cpl_conv.h"
44 #include "cpl_string.h"
45 
46 CPL_C_START
47 
48 typedef void *GXFHandle;
49 
50 GXFHandle GXFOpen( const char * pszFilename );
51 
52 CPLErr GXFGetRawInfo( GXFHandle hGXF, int *pnXSize, int *pnYSize,
53  int *pnSense, double * pdfZMin, double * pdfZMax,
54  double * pdfDummy );
55 CPLErr GXFGetInfo( GXFHandle hGXF, int *pnXSize, int *pnYSize );
56 
57 CPLErr GXFGetRawScanline( GXFHandle, int iScanline, double * padfLineBuf );
58 CPLErr GXFGetScanline( GXFHandle, int iScanline, double * padfLineBuf );
59 
60 char **GXFGetMapProjection( GXFHandle );
61 char **GXFGetMapDatumTransform( GXFHandle );
62 char *GXFGetMapProjectionAsPROJ4( GXFHandle );
63 char *GXFGetMapProjectionAsOGCWKT( GXFHandle );
64 
65 CPLErr GXFGetRawPosition( GXFHandle, double *, double *, double *, double *,
66  double * );
67 CPLErr GXFGetPosition( GXFHandle, double *, double *, double *, double *,
68  double * );
69 
70 CPLErr GXFGetPROJ4Position( GXFHandle, double *, double *, double *, double *,
71  double * );
72 
73 void GXFClose( GXFHandle hGXF );
74 
75 #define GXFS_LL_UP -1
76 #define GXFS_LL_RIGHT 1
77 #define GXFS_UL_RIGHT -2
78 #define GXFS_UL_DOWN 2
79 #define GXFS_UR_DOWN -3
80 #define GXFS_UR_LEFT 3
81 #define GXFS_LR_LEFT -4
82 #define GXFS_LR_UP 4
83 
84 CPL_C_END
85 
86 /* -------------------------------------------------------------------- */
87 /* This is consider to be a private structure. */
88 /* -------------------------------------------------------------------- */
89 typedef struct {
90  FILE *fp;
91 
92  int nRawXSize;
93  int nRawYSize;
94  int nSense; /* GXFS_ codes */
95  int nGType; /* 0 is uncompressed */
96 
97  double dfXPixelSize;
98  double dfYPixelSize;
99  double dfRotation;
100  double dfXOrigin; /* lower left corner */
101  double dfYOrigin; /* lower left corner */
102 
103  char szDummy[64];
104  double dfSetDummyTo;
105 
106  char *pszTitle;
107 
108  double dfTransformScale;
109  double dfTransformOffset;
110  char *pszTransformName;
111 
112  char **papszMapProjection;
113  char **papszMapDatumTransform;
114 
115  char *pszUnitName;
116  double dfUnitToMeter;
117 
118  double dfZMaximum;
119  double dfZMinimum;
120 
121  long *panRawLineOffset;
122 } GXFInfo_t;
123 
124 #endif /* ndef GXFOPEN_H_INCLUDED */
char ** GXFGetMapDatumTransform(GXFHandle)
Definition: gxfopen.c:908
CPLErr GXFGetRawInfo(GXFHandle hGXF, int *pnXSize, int *pnYSize, int *pnSense, double *pdfZMin, double *pdfZMax, double *pdfDummy)
Definition: gxfopen.c:836
char * GXFGetMapProjectionAsOGCWKT(GXFHandle)
Definition: gxf_ogcwkt.c:288
CPLErr GXFGetRawPosition(GXFHandle, double *, double *, double *, double *, double *)
Definition: gxfopen.c:944
CPLErr GXFGetScanline(GXFHandle, int iScanline, double *padfLineBuf)
Definition: gxfopen.c:626
void GXFClose(GXFHandle hGXF)
Definition: gxfopen.c:418
GXFHandle GXFOpen(const char *pszFilename)
Definition: gxfopen.c:189
CPLErr GXFGetPosition(GXFHandle, double *, double *, double *, double *, double *)
Definition: gxfopen.c:1003
CPLErr GXFGetRawScanline(GXFHandle, int iScanline, double *padfLineBuf)
Definition: gxfopen.c:693
char * GXFGetMapProjectionAsPROJ4(GXFHandle)
Definition: gxf_proj4.c:73
Definition: gxfopen.h:89
char ** GXFGetMapProjection(GXFHandle)
Definition: gxfopen.c:886