pointArray_toGML3()

static size_t pointArray_toGML3 ( POINTARRAY *  pa, char *  buf, int  precision, int  opts  )

static

Definition at line 1909 of file lwout_gml.c.

References POINTARRAY::flags, FLAGS_GET_Z, getPoint2d_cp(), getPoint3dz_cp(), IS_DEGREE, POINTARRAY::npoints, OUT_MAX_DIGS_DOUBLE, OUT_MAX_DOUBLE, OUT_MAX_DOUBLE_PRECISION, trim_trailing_zeros(), pixval::x, POINT2D::x, POINT3DZ::x, pixval::y, POINT2D::y, POINT3DZ::y, and POINT3DZ::z.

Referenced by asgml3_circstring_buf(), asgml3_compound_buf(), asgml3_curvepoly_buf(), asgml3_line_buf(), asgml3_point_buf(), asgml3_poly_buf(), asgml3_triangle_buf(), and gbox_to_gml3().

{
        int i;
        char *ptr;
        char x[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];
        char y[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];
        char z[OUT_MAX_DIGS_DOUBLE+OUT_MAX_DOUBLE_PRECISION+1];

        ptr = output;

        if ( ! FLAGS_GET_Z(pa->flags) )
        {
                for (i=0; i<pa->npoints; i++)
                {
                        const POINT2D *pt;
                        pt = getPoint2d_cp(pa, i);

                        if (fabs(pt->x) < OUT_MAX_DOUBLE)
                                sprintf(x, "%.*f", precision, pt->x);
                        else
                                sprintf(x, "%g", pt->x);
                        trim_trailing_zeros(x);

                        if (fabs(pt->y) < OUT_MAX_DOUBLE)
                                sprintf(y, "%.*f", precision, pt->y);
                        else
                                sprintf(y, "%g", pt->y);
                        trim_trailing_zeros(y);

                        if ( i ) ptr += sprintf(ptr, " ");
                        if (IS_DEGREE(opts))
                                ptr += sprintf(ptr, "%s %s", y, x);
                        else
                                ptr += sprintf(ptr, "%s %s", x, y);
                }
        }
        else
        {
                for (i=0; i<pa->npoints; i++)
                {
                        const POINT3DZ *pt;
                        pt = getPoint3dz_cp(pa, i);

                        if (fabs(pt->x) < OUT_MAX_DOUBLE)
                                sprintf(x, "%.*f", precision, pt->x);
                        else
                                sprintf(x, "%g", pt->x);
                        trim_trailing_zeros(x);

                        if (fabs(pt->y) < OUT_MAX_DOUBLE)
                                sprintf(y, "%.*f", precision, pt->y);
                        else
                                sprintf(y, "%g", pt->y);
                        trim_trailing_zeros(y);

                        if (fabs(pt->z) < OUT_MAX_DOUBLE)
                                sprintf(z, "%.*f", precision, pt->z);
                        else
                                sprintf(z, "%g", pt->z);
                        trim_trailing_zeros(z);

                        if ( i ) ptr += sprintf(ptr, " ");
                        if (IS_DEGREE(opts))
                                ptr += sprintf(ptr, "%s %s %s", y, x, z);
                        else
                                ptr += sprintf(ptr, "%s %s %s", x, y, z);
                }
        }

        return ptr-output;
}

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