Function msAxisNormalizePoints

mapproject.c:1177–1215

/************************************************************************/

void msAxisNormalizePoints( projectionObj *proj, int count, 
                            double *x, double *y )

{
    int i;
    const char *axis = NULL;

    for( i = 0; i < proj->numargs; i++ )
    {
        if( strstr(proj->args[i],"epsgaxis=") != NULL )
        {
            axis = strstr(proj->args[i],"=") + 1;
            break;
        }
    }

    if( axis == NULL )
        return;

    if( strcasecmp(axis,"en") == 0 )
        return;

    if( strcasecmp(axis,"ne") != 0 )
    {
        msDebug( "msAxisNormalizePoints(): odd +epsgaxis= value: '%s'.",
                 axis );
        return;
    }

    /* Switch axes */
    for( i = 0; i < count; i++ )
    {
        double tmp;

        tmp = x[i];
        x[i] = y[i];
        y[i] = tmp;
    }
}

/************************************************************************/
/*                      msAxisDenormalizePoints()                       */