pointArray_toGML2()

static size_t pointArray_toGML2 ( POINTARRAY *  pa, char *  buf, int  precision  )

static

Definition at line 662 of file lwout_gml.c.

{
        uint32_t i;
        char *ptr;
        char x[OUT_DOUBLE_BUFFER_SIZE];
        char y[OUT_DOUBLE_BUFFER_SIZE];
        char z[OUT_DOUBLE_BUFFER_SIZE];
 
        ptr = output;
 
        if ( ! FLAGS_GET_Z(pa->flags) )
        {
                for (i=0; i<pa->npoints; i++)
                {
                        const POINT2D *pt;
                        pt = getPoint2d_cp(pa, i);
 
                        lwprint_double(
                            pt->x, precision, x, OUT_DOUBLE_BUFFER_SIZE);
                        lwprint_double(
                            pt->y, precision, y, OUT_DOUBLE_BUFFER_SIZE);
 
                        if ( i ) ptr += sprintf(ptr, " ");
                        ptr += sprintf(ptr, "%s,%s", x, y);
                }
        }
        else
        {
                for (i=0; i<pa->npoints; i++)
                {
                        const POINT3DZ *pt;
                        pt = getPoint3dz_cp(pa, i);
                        lwprint_double(
                            pt->x, precision, x, OUT_DOUBLE_BUFFER_SIZE);
                        lwprint_double(
                            pt->y, precision, y, OUT_DOUBLE_BUFFER_SIZE);
                        lwprint_double(
                            pt->z, precision, z, OUT_DOUBLE_BUFFER_SIZE);
 
                        if ( i ) ptr += sprintf(ptr, " ");
                        ptr += sprintf(ptr, "%s,%s,%s", x, y, z);
                }
        }
 
        return ptr-output;
}

References POINTARRAY::flags, FLAGS_GET_Z, getPoint2d_cp(), getPoint3dz_cp(), lwprint_double(), POINTARRAY::npoints, OUT_DOUBLE_BUFFER_SIZE, precision, POINT2D::x, POINT3DZ::x, pixval::x, POINT2D::y, POINT3DZ::y, pixval::y, and POINT3DZ::z.

Referenced by asgml2_line_buf(), asgml2_point_buf(), asgml2_poly_buf(), and gbox_to_gml2().

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