ptarray_to_kml2_sb()

static int ptarray_to_kml2_sb ( const POINTARRAY *  pa, int  precision, stringbuffer_t *  sb  )

static

Definition at line 94 of file lwout_kml.c.

References POINTARRAY::flags, FLAGS_GET_Z, getPoint4d_p(), LW_FAILURE, LW_SUCCESS, POINTARRAY::npoints, OUT_MAX_DOUBLE, stringbuffer_append(), stringbuffer_aprintf(), and stringbuffer_trim_trailing_zeroes().

Referenced by lwline_to_kml2_sb(), lwpoint_to_kml2_sb(), and lwpoly_to_kml2_sb().

{
        int i, j;
        int dims = FLAGS_GET_Z(pa->flags) ? 3 : 2;
        POINT4D pt;
        double *d;

        for ( i = 0; i < pa->npoints; i++ )
        {
                getPoint4d_p(pa, i, &pt);
                d = (double*)(&pt);
                if ( i ) stringbuffer_append(sb," ");
                for (j = 0; j < dims; j++)
                {
                        if ( j ) stringbuffer_append(sb,",");
                        if( fabs(d[j]) < OUT_MAX_DOUBLE )
                        {
                                if ( stringbuffer_aprintf(sb, "%.*f", precision, d[j]) < 0 ) return LW_FAILURE;
                        }
                        else
                        {
                                if ( stringbuffer_aprintf(sb, "%g", d[j]) < 0 ) return LW_FAILURE;
                        }
                        stringbuffer_trim_trailing_zeroes(sb);
                }
        }
        return LW_SUCCESS;
}

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