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)
}
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")
}