amroc/hds/sds.h

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00001 #ifndef __SDS_H_
00002 #define __SDS_H_
00003 
00009 #ifndef ANSI
00010 #if defined(__STDC__) ||defined(__cplusplus)||defined(_LANGUAGE_C_PLUS_PLUS)
00011 #define ANSI
00012 #endif
00013 #endif
00014 
00015 #ifdef ANSI
00016 #define CPROTO(x) x
00017 #else
00018 #define CPROTO(x) ()
00019 #endif
00020 
00021 #include <hdf.h>
00022 /*#include <netcdf.h>*/
00023 #include <mfhdf.h>
00024 
00025 /*@@
00026   @header sds.h
00027   @date Wed Feb 28 20:30:57 1996 @author John Shalf
00028   @version 0.9a
00029 @@*/
00030 
00031 /**************** FileID juggling Operations ********************/
00032 /* make file handle inactive (use if shortage of descriptors) */
00033 void SDSdeactivate CPROTO((char *filename));
00034 void SDSreactivate CPROTO((char *filename));
00035 
00036 
00037 /******************** Explicit file open & close ops ******************/
00038 /* use to specify file opening and closing, but not 
00039    really needed since all routines will do this automatically */
00040 void SDSopen CPROTO((char *filename,char *access));
00041 void SDSclose CPROTO((char *filename));
00042 void SDScloseAll CPROTO((void));
00043 void SDSflush CPROTO((char *filename));
00044 void SDSpurge CPROTO((char *filename));
00045 
00046 
00047 /********************  Random Access Operations ************************/
00048 /* need to make sure that seek leaves everything
00049    in the proper state so that a second getDims
00050    after the seek will not advance one more sds */
00051 void SDSseek CPROTO((char *filename,int setnum));
00052 int32 SDSseekName CPROTO((char *filename,char *name));
00053 #define SDSgetLocation(x) SDSgetIndex(x)
00054 int32 SDSgetIndex CPROTO((char *filename));
00055 int32 SDSisCoord CPROTO((char *filename));
00056 
00057 
00058 /********************** File and Dataset Info **********************/
00059 /* analogue to DFSDgetDims() */
00060 /* should have set coordinates routine which can also handle coords
00061    that are n-dimensional instead of just edge coords.  So it can
00062    handle Uniform/Rectilinear/Irregular dataset types */
00063 void SDSgetFileInfo CPROTO((char *filename,int32 *nsds, int32 *nattrib));
00064 int32 SDSgetDataName CPROTO((char *filename,char *name));
00065 int32 SDSgetNumDatasets CPROTO((char *filename));
00066 long SDSgetDims CPROTO((char *filename,char *dataname,
00067                        int32 *rank,int32 *dims));
00068 int32 SDSgetNT CPROTO((char *filename));
00069 void SDSsetNT CPROTO((char *filename,int32 numbertype));
00070 long SDScomputeSize CPROTO((int32 rank,int32 *dims,int32 numbertype));
00071 
00072 /* seems rank should be a pointer */
00073 /* SD and DFSD are rather different here.  In SD, you are selecting
00074    how much of each dimension to read from the file.  In DFSD, you
00075    are requesting that the dims of the dataset you read be returned
00076    to you. */
00077 int SDSreadData CPROTO((char *filename,
00078                      int32 rank,int32 *dims,VOIDP data));
00079 int SDSreadChunk CPROTO((char *filename,int32 rank,int32 *dims,
00080                  int32 *origin,int32 *stride,VOIDP data));
00081 /* Can simply write data or write the name with the data.
00082    The SD interface kind-of requires that the name for the dataset
00083    be written here, so it would have been inconsistent with the DFSD
00084    interface that this library is attempting to replace. Hence the #defines */
00085 int32 SDSallocateDataset CPROTO((char *filename,char *dataname,
00086                           int32 rank,int32 *dims));
00087 int SDSwriteData CPROTO((char *filename,char *dataname,
00088                       int32 rank,int32 *dims,VOIDP data));
00089 int SDSwriteChunk CPROTO((char *filename,
00090                        int32 rank,int32 *dims,
00091                        int32 *origin,int32 *stride,VOIDP data));
00092 
00093 /************ Managing Annotations *******************/
00094 int32 SDSaddAnnotation CPROTO((char *filename,char *annotation));
00095 int32 SDSgetAnnotationSize CPROTO((char *filename));
00096 int32 SDSgetAnnotation CPROTO((char *filename,char *annotation,int32 maxlen));
00097 
00098 
00099 /************ Managing Attributes ******************/
00100 int32 SDSgetNumAttribs CPROTO((char *filename));
00101 int32 SDSwriteAttrib CPROTO((char *filename,char *attribname,
00102                            int32 numbertype,int32 nelements,VOIDP buffer));
00103 /* 0=Noattrib -1=error +<n>=Number of elements read */
00104 /* nelements= max number of elements the buffer can hold */
00105 int32 SDSreadAttrib CPROTO((char *filename,char *attribname,
00106                             int32 nelements,VOIDP buffer));
00107 int32 SDSfindAttribInfo CPROTO((char *filename,char *attribname,
00108                              int32 *numbertype, int32 *nelements));
00109 int32 SDSgetAttribInfo CPROTO((char *filename,int32 index,char *attribname,
00110                              int32 *numbertype, int32 *nelements));
00111 /* ** Standard String Attributes ** */
00112 int32 SDSgetDataStrs CPROTO((char *filename,char *label,char *units,
00113                             char *format, char *coordsys, int len));
00114 #endif /* __SDS_H_ */
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