Exemple #1
0
func writeOvf2Header(out io.Writer, q *data.Slice, time, tstep float64) {
	gridsize := q.Mesh().Size()
	cellsize := q.Mesh().CellSize()

	fmt.Fprintln(out, "# OOMMF OVF 2.0")
	fmt.Fprintln(out, "#")
	hdr(out, "Segment count", "1")
	fmt.Fprintln(out, "#")
	hdr(out, "Begin", "Segment")
	hdr(out, "Begin", "Header")
	fmt.Fprintln(out, "#")

	hdr(out, "Title", q.Tag()) // TODO
	hdr(out, "meshtype", "rectangular")
	hdr(out, "meshunit", "m")

	hdr(out, "xmin", 0)
	hdr(out, "ymin", 0)
	hdr(out, "zmin", 0)

	hdr(out, "xmax", cellsize[Z]*float64(gridsize[Z]))
	hdr(out, "ymax", cellsize[Y]*float64(gridsize[Y]))
	hdr(out, "zmax", cellsize[X]*float64(gridsize[X]))

	name := q.Tag()
	var labels []interface{}
	if q.NComp() == 1 {
		labels = []interface{}{name}
	} else {
		for i := 0; i < q.NComp(); i++ {
			labels = append(labels, name+"_"+string('x'+i))
		}
	}
	hdr(out, "valuedim", q.NComp())
	hdr(out, "valuelabels", labels...) // TODO
	unit := q.Unit()
	if unit == "" {
		unit = "1"
	}
	if q.NComp() == 1 {
		hdr(out, "valueunits", unit)
	} else {
		hdr(out, "valueunits", unit, unit, unit)
	}

	// We don't really have stages
	fmt.Fprintln(out, "# Desc: Stage simulation time: ", tstep, " s")
	fmt.Fprintln(out, "# Desc: Total simulation time: ", time, " s")

	hdr(out, "xbase", cellsize[Z]/2)
	hdr(out, "ybase", cellsize[Y]/2)
	hdr(out, "zbase", cellsize[X]/2)

	hdr(out, "xnodes", gridsize[Z])
	hdr(out, "ynodes", gridsize[Y])
	hdr(out, "znodes", gridsize[X])

	hdr(out, "xstepsize", cellsize[Z])
	hdr(out, "ystepsize", cellsize[Y])
	hdr(out, "zstepsize", cellsize[X])
	fmt.Fprintln(out, "#")
	hdr(out, "End", "Header")
	fmt.Fprintln(out, "#")
}