Esempi in C++ (Cpp) per SHPWriteTreeNode

Esempio n. 1

File: shptree.c Progetto: AuditoryBiophysicsLab/ESME-Workbench

int SHPWriteTree(SHPTree *tree, const char *filename )
{
    char		signature[4] = "SQT";
    int		        i;
    char		abyBuf[32];
    FILE                *fp;
	errno_t err;
  
/* -------------------------------------------------------------------- */
/*      Open the output file.                                           */
/* -------------------------------------------------------------------- */
    err = fopen_s(&fp, filename, "wb");
    if( fp == NULL || err != 0) 
    {
        return FALSE;
    }

/* -------------------------------------------------------------------- */
/*	Establish the byte order on this machine.	  	        */
/* -------------------------------------------------------------------- */
    i = 1;
    if( *((unsigned char *) &i) == 1 )
        bBigEndian = FALSE;
    else
        bBigEndian = TRUE;
  
/* -------------------------------------------------------------------- */
/*      Write the header.                                               */
/* -------------------------------------------------------------------- */
    memcpy( abyBuf+0, signature, 3 );
    
    if( bBigEndian )
        abyBuf[3] = 2; /* New MSB */
    else
        abyBuf[3] = 1; /* New LSB */

    abyBuf[4] = 1; /* version */
    abyBuf[5] = 0; /* next 3 reserved */
    abyBuf[6] = 0;
    abyBuf[7] = 0;

    fwrite( abyBuf, 8, 1, fp );

    fwrite( &(tree->nTotalCount), 4, 1, fp );

    /* write maxdepth */

    fwrite( &(tree->nMaxDepth), 4, 1, fp );

/* -------------------------------------------------------------------- */
/*      Write all the nodes "in order".                                 */
/* -------------------------------------------------------------------- */

    SHPWriteTreeNode( fp, tree->psRoot );  
    
    fclose( fp );

    return TRUE;
}

Esempio n. 2

File: shptree.c Progetto: bbradbury/lib_gdal

static void SHPWriteTreeNode( SAFile fp, SHPTreeNode *node, SAHooks* psHooks)
{
    int i,j;
    int offset;
    unsigned char *pabyRec = NULL;
    assert( NULL != node );

    offset = SHPGetSubNodeOffset(node);

    pabyRec = (unsigned char *)
        malloc(sizeof(double) * 4
               + (3 * sizeof(int)) + (node->nShapeCount * sizeof(int)) );
    if( NULL == pabyRec )
    {
#ifdef USE_CPL
        CPLError( CE_Fatal, CPLE_OutOfMemory, "Memory allocation failure");
#endif
        assert( 0 );
        return;
    }

    memcpy( pabyRec, &offset, 4);

    /* minx, miny, maxx, maxy */
    memcpy( pabyRec+ 4, node->adfBoundsMin+0, sizeof(double) );
    memcpy( pabyRec+12, node->adfBoundsMin+1, sizeof(double) );
    memcpy( pabyRec+20, node->adfBoundsMax+0, sizeof(double) );
    memcpy( pabyRec+28, node->adfBoundsMax+1, sizeof(double) );

    memcpy( pabyRec+36, &node->nShapeCount, 4);
    j = node->nShapeCount * sizeof(int);
    if( j )
        memcpy( pabyRec+40, node->panShapeIds, j);
    memcpy( pabyRec+j+40, &node->nSubNodes, 4);

    psHooks->FWrite( pabyRec, 44+j, 1, fp );
    free (pabyRec);

    for(i=0; i<node->nSubNodes; i++ )
    {
        if(node->apsSubNode[i])
            SHPWriteTreeNode( fp, node->apsSubNode[i], psHooks);
    }
}

Esempio n. 3

File: shptree.c Progetto: carlosvKC/iRp2

static void SHPWriteTreeNode( FILE *fp, SHPTreeNode *node) 
{
    int i,j;
    int offset;
    unsigned char *pabyRec = NULL;
    assert( NULL != node );

    offset = SHPGetSubNodeOffset(node);
  
    pabyRec = (unsigned char *) 
        malloc(sizeof(double) * 4
               + (3 * sizeof(int)) + (node->nShapeCount * sizeof(int)) );
    if( NULL == pabyRec )
    {
        assert( 0 );
        return;
    }

    memcpy( pabyRec, &offset, 4);

    /* minx, miny, maxx, maxy */
    memcpy( pabyRec+ 4, node->adfBoundsMin+0, sizeof(double) );
    memcpy( pabyRec+12, node->adfBoundsMin+1, sizeof(double) );
    memcpy( pabyRec+20, node->adfBoundsMax+0, sizeof(double) );
    memcpy( pabyRec+28, node->adfBoundsMax+1, sizeof(double) );

    memcpy( pabyRec+36, &node->nShapeCount, 4);
    j = node->nShapeCount * sizeof(int);
    memcpy( pabyRec+40, node->panShapeIds, j);
    memcpy( pabyRec+j+40, &node->nSubNodes, 4);

    fwrite( pabyRec, 44+j, 1, fp );
    free (pabyRec);
  
    for(i=0; i<node->nSubNodes; i++ ) 
    {
        if(node->apsSubNode[i])
            SHPWriteTreeNode( fp, node->apsSubNode[i]);
    }
}

Esempio n. 4

File: shptree.c Progetto: XiBeichuan/hydronumerics

int SHPWriteTreeLL(SHPTree *tree, const char *filename, SAHooks* psHooks )
{
    char		signature[4] = "SQT";
    int		        i;
    char		abyBuf[32];
    SAFile              fp;

    SAHooks sHooks;
    if (psHooks == NULL)
    {
        SASetupDefaultHooks( &sHooks );
        psHooks = &sHooks;
    }
  
/* -------------------------------------------------------------------- */
/*      Open the output file.                                           */
/* -------------------------------------------------------------------- */
    fp = psHooks->FOpen(filename, "wb");
    if( fp == NULL ) 
    {
        return FALSE;
    }

/* -------------------------------------------------------------------- */
/*	Establish the byte order on this machine.	  	        */
/* -------------------------------------------------------------------- */
    i = 1;
    if( *((unsigned char *) &i) == 1 )
        bBigEndian = FALSE;
    else
        bBigEndian = TRUE;
  
/* -------------------------------------------------------------------- */
/*      Write the header.                                               */
/* -------------------------------------------------------------------- */
    memcpy( abyBuf+0, signature, 3 );
    
    if( bBigEndian )
        abyBuf[3] = 2; /* New MSB */
    else
        abyBuf[3] = 1; /* New LSB */

    abyBuf[4] = 1; /* version */
    abyBuf[5] = 0; /* next 3 reserved */
    abyBuf[6] = 0;
    abyBuf[7] = 0;

    psHooks->FWrite( abyBuf, 8, 1, fp );

    psHooks->FWrite( &(tree->nTotalCount), 4, 1, fp );

    /* write maxdepth */

    psHooks->FWrite( &(tree->nMaxDepth), 4, 1, fp );

/* -------------------------------------------------------------------- */
/*      Write all the nodes "in order".                                 */
/* -------------------------------------------------------------------- */

    SHPWriteTreeNode( fp, tree->psRoot, psHooks );  
    
    psHooks->FClose( fp );

    return TRUE;
}