Пример #1
0
func main() {

	// input data
	fn, fnk := io.ArgToFilename(0, "nurbs01", ".msh", true)
	ctrl := io.ArgToBool(1, true)
	ids := io.ArgToBool(2, true)
	useminmax := io.ArgToBool(3, false)
	axisequal := io.ArgToBool(4, true)
	xmin := io.ArgToFloat(5, 0)
	xmax := io.ArgToFloat(6, 0)
	ymin := io.ArgToFloat(7, 0)
	ymax := io.ArgToFloat(8, 0)
	eps := io.ArgToBool(9, false)
	npts := io.ArgToInt(10, 41)

	// print input table
	io.Pf("\n%s\n", io.ArgsTable("INPUT ARGUMENTS",
		"mesh filename", "fn", fn,
		"show control points", "ctrl", ctrl,
		"show ids", "ids", ids,
		"use xmin,xmax,ymin,ymax", "useminmax", useminmax,
		"enforce axis.equal", "axisequal", axisequal,
		"min(x)", "xmin", xmin,
		"max(x)", "xmax", xmax,
		"min(y)", "ymin", ymin,
		"max(y)", "ymax", ymax,
		"generate eps instead of png", "eps", eps,
		"number of divisions", "npts", npts,
	))

	// load nurbss
	B := gm.ReadMsh(fnk)

	// plot
	if eps {
		plt.SetForEps(0.75, 500)
	} else {
		plt.SetForPng(0.75, 500, 150)
	}
	for _, b := range B {
		if ctrl {
			b.DrawCtrl2d(ids, "", "")
		}
		b.DrawElems2d(npts, ids, "", "")
	}
	if axisequal {
		plt.Equal()
	}
	if useminmax {
		plt.AxisRange(xmin, xmax, ymin, ymax)
	}
	ext := ".png"
	if eps {
		ext = ".eps"
	}
	plt.Save(fnk + ext)
}
Пример #2
0
func main() {

	// default input data
	fn := "nurbs01.msh"
	ctrl := true
	ids := true
	npts := 41

	// parse flags
	flag.Parse()
	if len(flag.Args()) > 0 {
		fn = flag.Arg(0)
	}
	if len(flag.Args()) > 1 {
		ctrl = io.Atob(flag.Arg(1))
	}
	if len(flag.Args()) > 2 {
		ids = io.Atob(flag.Arg(2))
	}
	if len(flag.Args()) > 3 {
		npts = io.Atoi(flag.Arg(3))
	}

	// print input data
	io.Pforan("Input data\n")
	io.Pforan("==========\n")
	io.Pfblue2("  fn   = %v\n", fn)
	io.Pfblue2("  ctrl = %v\n", ctrl)
	io.Pfblue2("  ids  = %v\n", ids)
	io.Pfblue2("  npts = %v\n", npts)

	// load nurbss
	fnk := io.FnKey(fn)
	B := gm.ReadMsh(fnk)

	// plot
	plt.SetForEps(0.75, 500)
	for _, b := range B {
		if ctrl {
			b.DrawCtrl2d(ids, "", "")
		}
		b.DrawElems2d(npts, ids, "", "")
	}
	plt.Equal()
	plt.Save(fnk + ".eps")
}