func plotDensity(rs1, rs2 []result, ftype string) {
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "Scheduler Benchmark"
p.X.Label.Text = "Seconds"
var filename string
switch ftype {
case "total":
p.Y.Label.Text = "Number of Pods"
err = plotutil.AddLinePoints(p,
"Total-new", getTotal(rs1),
"Total-old", getTotal(rs2))
filename = "schedule-total.png"
case "rate":
p.Y.Label.Text = "Rate of Scheduling"
err = plotutil.AddLinePoints(p,
"Rate-new", getRate(rs1),
"Rate-old", getRate(rs2))
filename = "schedule-rate.png"
}
if err != nil {
panic(err)
}
if err := p.Save(10*vg.Inch, 10*vg.Inch, filename); err != nil {
panic(err)
}
fmt.Println("successfully plotted density graph to", filename)
}
// Save benched results.
func save(filename string, names []string, ns [][]int64, X []int64) {
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "ns/sort"
p.X.Label.Text = "N"
p.Y.Label.Text = "ns"
p.X.Scale = plot.LogScale{}
p.Y.Scale = plot.LogScale{}
data := make([]interface{}, len(names)*2)
for i, name := range names {
data[i*2] = name
data[i*2+1] = points(X, ns[i])
}
if err := plotutil.AddLinePoints(p, data...); err != nil {
panic(err)
}
if err := p.Save(10*vg.Inch, 8*vg.Inch, filename); err != nil {
panic(err)
}
}
func drawEmbeddedFeaturesFilteringResults(results []testEmbeddedFeaturesFilteringResult, refF1 float64, fileName string) {
fmt.Println("plotting ...")
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "Adaboost: Embedded features filtering test"
p.X.Label.Text = "Selected features count"
p.Y.Label.Text = "F1"
var resultPoints plotter.XYs
for _, nextResult := range results {
resultPoints = append(resultPoints,
struct{ X, Y float64 }{float64(nextResult.FeaturesCount), nextResult.F1})
}
refPoints := make(plotter.XYs, 2)
refPoints[0] = struct{ X, Y float64 }{float64(results[0].FeaturesCount), refF1}
refPoints[1] = struct{ X, Y float64 }{float64(results[len(results)-1].FeaturesCount), refF1}
err = plotutil.AddLinePoints(p,
"F1 with selected features", resultPoints,
"reference F1 with all features", refPoints)
if err != nil {
panic(err)
}
if err := p.Save(8*vg.Inch, 8*vg.Inch, fileName); err != nil {
panic(err)
}
}
func plotSingle(df *DataFrame, name string) {
p, err := plot.New()
if err != nil {
log.Fatal(err)
}
p.X.Label.Text = "X"
p.Y.Label.Text = "Y"
err = plotutil.AddLinePoints(p, name, df.PlotPoints())
if err != nil {
log.Fatal(err)
}
c := vgsvg.New(16*vg.Inch, 9*vg.Inch)
can := draw.New(c)
p.Draw(can)
p.Save(16*vg.Inch/2, 9*vg.Inch/2, fmt.Sprintf("graphs/%s.png", name))
f, err := os.Create(fmt.Sprintf("graphs/%s.svg", name))
if err != nil {
log.Fatal(err)
}
c.WriteTo(f)
}
func createSubPlots(root *node.Node, pts plotter.XYs, depth int) {
if pts == nil {
pts = make(plotter.XYs, depth+1)
}
// fmt.Println("Depth: ", depth)
pts[depth].X = float64(root.GetX())
pts[depth].Y = float64(root.GetY())
if depth == 0 {
if root.GetX() != theGoalX || root.GetY() != theGoalY {
return
}
pts[depth].X = float64(root.GetX())
pts[depth].Y = float64(root.GetY())
total++
plotutil.AddLinePoints(myPlot, pts)
return
}
for _, item := range root.GetChildren() {
createSubPlots(item, pts, depth-1)
}
}
func PlotGraph(title string, timestamps []int64, w io.Writer) error {
p, err := plot.New()
if err != nil {
return err
}
p.Title.Text = title
p.X.Label.Text = "Time"
p.Y.Label.Text = "Number of stars"
p.Y.Min = 0
points := make(plotter.XYs, len(timestamps))
for i, timestamp := range timestamps {
points[i].X = float64(timestamp)
points[i].Y = float64(i + 1)
}
plotutil.AddLinePoints(p, "Stars", points)
c := vgimg.New(4*vg.Inch, 4*vg.Inch)
cpng := vgimg.PngCanvas{c}
p.Draw(draw.New(cpng))
if _, err := cpng.WriteTo(w); err != nil {
return err
}
return nil
}
// makePlots creates and saves the first of our plots showing the raw input data.
func makePlots(xys plotter.XYs) error {
// Create a new plot.
p, err := plot.New()
if err != nil {
return errors.Wrap(err, "Could not create plot object")
}
// Label the new plot.
p.Title.Text = "Daily Counts of Go Repos Created"
p.X.Label.Text = "Days from Jan. 1, 2013"
p.Y.Label.Text = "Count"
// Add the prepared points to the plot.
if err = plotutil.AddLinePoints(p, "Counts", xys); err != nil {
return errors.Wrap(err, "Could not add lines to plot")
}
// Save the plot to a PNG file.
if err := p.Save(7*vg.Inch, 4*vg.Inch, "countseries.png"); err != nil {
return errors.Wrap(err, "Could not output plot")
}
return nil
}
// makeRegPlots makes the second plot including the raw input data and the
// trained function.
func makeRegPlots(xys1, xys2 plotter.XYs) error {
// Create a plot value.
p, err := plot.New()
if err != nil {
return errors.Wrap(err, "Could not create plot object")
}
// Label the plot.
p.Title.Text = "Daily Counts of Go Repos Created"
p.X.Label.Text = "Days from Jan. 1, 2013"
p.Y.Label.Text = "Count"
// Add both sets of points, predicted and actual, to the plot.
if err := plotutil.AddLinePoints(p, "Actual", xys1, "Predicted", xys2); err != nil {
return errors.Wrap(err, "Could not add lines to plot")
}
// Save the plot.
if err := p.Save(7*vg.Inch, 4*vg.Inch, "regression.png"); err != nil {
return errors.Wrap(err, "Could not output plot")
}
return nil
}
func plotDensity(results []densityResult) {
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "Density"
p.X.Label.Text = "Seconds"
p.Y.Label.Text = "Number of Pods"
err = plotutil.AddLinePoints(p,
"Created", getCreatedPoints(results),
"Running", getRunningPoints(results),
"Pending", getPendingPoints(results),
"Waiting", getWaitingPoints(results))
if err != nil {
panic(err)
}
// Save the plot to a SVG file.
if err := p.Save(10*vg.Inch, 10*vg.Inch, "density-all.svg"); err != nil {
panic(err)
}
fmt.Println("successfully plotted density graph to density-all.svg")
}
func main() {
rand.Seed(int64(0))
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "Plotutil example"
p.X.Label.Text = "X"
p.Y.Label.Text = "Y"
err = plotutil.AddLinePoints(
p,
"First", randomPoints(15),
)
if err != nil {
panic(err)
}
cnvs, err := vgx11.New(4*96, 4*96, "Example")
if err != nil {
panic(err)
}
p.Draw(draw.New(cnvs))
cnvs.Paint()
time.Sleep(5 * time.Second)
err = plotutil.AddLinePoints(
p,
"Second", randomPoints(15),
"Third", randomPoints(15),
)
if err != nil {
panic(err)
}
p.Draw(draw.New(cnvs))
cnvs.Paint()
time.Sleep(10 * time.Second)
// Save the plot to a PNG file.
// if err := p.Save(4, 4, "points.png"); err != nil {
// panic(err)
// }
}
func main() {
if len(os.Args) != 2 {
fmt.Fprintf(os.Stderr, "Usage: plotWav <file.wav>\n")
os.Exit(1)
}
// open file
testInfo, err := os.Stat(os.Args[1])
checkErr(err)
testWav, err := os.Open(os.Args[1])
checkErr(err)
wavReader, err := wav.NewReader(testWav, testInfo.Size())
checkErr(err)
// File informations
fmt.Println(wavReader)
// limit sample count
sampleCnt := wavReader.GetSampleCount()
if sampleCnt > 10000 {
sampleCnt = 10000
}
// setup plotter
p, err := plot.New()
checkErr(err)
p.Title.Text = "Waveplot"
p.X.Label.Text = "t"
p.Y.Label.Text = "Ampl"
pts := make(plotter.XYs, sampleCnt)
// read samples and construct points for plot
for i := range pts {
n, err := wavReader.ReadSample()
if err == io.EOF {
break
}
checkErr(err)
pts[i].X = float64(i)
pts[i].Y = float64(n)
}
err = plotutil.AddLinePoints(p, "", pts)
checkErr(err)
// construct output filename
inputFname := path.Base(os.Args[1])
plotFname := strings.Split(inputFname, ".")[0] + ".pdf"
if err := p.Save(10*vg.Inch, 4*vg.Inch, plotFname); err != nil {
panic(err)
}
}
func main() {
// Connecting
log.Println("Trying to connect to localhost:1972 ...")
conn, err := gobci.Connect("localhost:1972")
if err != nil {
log.Fatal(err)
}
defer conn.Close()
// Getting header information
log.Println("Requesting header data ...")
header, err := conn.GetHeader()
if err != nil {
log.Fatal(err)
}
for {
// Getting samples
log.Println("Requesting sample data ...")
var amountOfSamples uint32 = 100
if header.NSamples < amountOfSamples {
log.Fatal("Not enough samples avialable")
}
samples, err := conn.GetData(0, 0)
if err != nil {
log.Fatal(err)
}
// Visualizing the channels
channels := make([]channelXYer, header.NChannels)
for _, sample := range samples {
for i := uint32(0); i < header.NChannels; i++ {
channels[i].Values = append(channels[i].Values, sample[i])
}
}
for chIndex := range channels {
channels[chIndex].freq = header.SamplingFrequency
}
log.Println("Plotting samples ...")
plt, err := plot.New()
plotutil.AddLinePoints(plt,
"CH0", plotter.XYer(channels[0]))
//"CH1", plotter.XYer(channels[1]),
//"CH2", plotter.XYer(channels[2]))
log.Println("Saving plot to output.jpg ...")
plt.Save(10*vg.Inch, 5*vg.Inch, "output.jpg")
}
log.Println("Done")
}
func graph(P []string) {
var XY = make(plotter.XYs, len(P))
for i, p := range P {
// Store the best fitness for plotting
XY[i].X = points[p].x
XY[i].Y = points[p].y
}
var p, _ = plot.New()
p.Title.Text = "Grid TSP"
plotutil.AddLinePoints(p, strconv.Itoa(size)+" x "+strconv.Itoa(size), XY)
// Save the plot to a PNG file.
if err := p.Save(5*vg.Inch, 5*vg.Inch, "grid.png"); err != nil {
panic(err)
}
}
func graph(P []string) {
var XY = make(plotter.XYs, len(P))
for i, p := range P {
// Store the best fitness for plotting
XY[i].X = points[p].x
XY[i].Y = points[p].y
}
var p, _ = plot.New()
p.Title.Text = "Capitals TSP"
plotutil.AddLinePoints(p, "Path", XY)
// Save the plot to a PNG file.
if err := p.Save(5*vg.Inch, 5*vg.Inch, "capitals.png"); err != nil {
panic(err)
}
}
// Example_errpoints draws some error points.
func Example_errpoints() *plot.Plot {
// Get some random data.
n, m := 5, 10
pts := make([]plotter.XYer, n)
for i := range pts {
xys := make(plotter.XYs, m)
pts[i] = xys
center := float64(i)
for j := range xys {
xys[j].X = center + (rand.Float64() - 0.5)
xys[j].Y = center + (rand.Float64() - 0.5)
}
}
plt, err := plot.New()
if err != nil {
panic(err)
}
mean95, err := plotutil.NewErrorPoints(plotutil.MeanAndConf95, pts...)
if err != nil {
panic(err)
}
medMinMax, err := plotutil.NewErrorPoints(plotutil.MedianAndMinMax, pts...)
if err != nil {
panic(err)
}
plotutil.AddLinePoints(plt,
"mean and 95% confidence", mean95,
"median and minimum and maximum", medMinMax)
if err := plotutil.AddErrorBars(plt, mean95, medMinMax); err != nil {
panic(err)
}
if err := plotutil.AddScatters(plt, pts[0], pts[1], pts[2], pts[3], pts[4]); err != nil {
panic(err)
}
return plt
}
func (c *Calibrate) Update(entity *ecs.Entity, dt float32) {
if c.frameIndex != 0 {
return
}
var (
cal *CalibrateComponent
ok bool
)
if cal, ok = entity.ComponentFast(cal).(*CalibrateComponent); !ok {
return
}
// Render the image again
plt, err := plot.New()
if err != nil {
log.Fatal(err)
}
plotutil.AddLinePoints(plt,
"CH"+strconv.Itoa(int(cal.ChannelIndex)), plotter.XYer(c.channels[cal.ChannelIndex]))
img := image.NewRGBA(image.Rect(0, 0, 3*dpi, 3*dpi))
canv := vgimg.NewWith(vgimg.UseImage(img))
plt.Draw(draw.New(canv))
bgTexture := engi.NewImageRGBA(img)
// Give it to engi
erender := &engi.RenderComponent{
Display: engi.NewRegion(engi.NewTexture(bgTexture), 0, 0, 3*dpi, 3*dpi),
Scale: engi.Point{1, 1},
Transparency: 1,
Color: color.RGBA{255, 255, 255, 255},
}
erender.SetPriority(engi.HUDGround)
entity.AddComponent(erender)
}
func plotMulti(name string, names []string, frames []*DataFrame) {
if len(names) != len(frames) {
log.Fatal("wrong length for plots")
}
p, err := plot.New()
if err != nil {
log.Fatal(err)
}
p.X.Label.Text = "X"
p.Y.Label.Text = "Y"
lines := make([]interface{}, len(names)*2)
x := 0
for i := 0; i < len(lines); i += 2 {
lines[i] = names[x]
lines[i+1] = frames[x].PlotPoints()
x += 1
}
err = plotutil.AddLinePoints(p, lines...)
if err != nil {
log.Fatal(err)
}
c := vgsvg.New(16*vg.Inch, 9*vg.Inch)
can := draw.New(c)
p.Draw(can)
p.Save(16*vg.Inch/2, 9*vg.Inch/2, fmt.Sprintf("graphs/%s.png", name))
f, err := os.Create(fmt.Sprintf("graphs/%s.svg", name))
if err != nil {
log.Fatal(err)
}
c.WriteTo(f)
}
func plotRunningRateVsPods(rs []densityResult) {
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "RunningRate"
p.X.Label.Text = "Number of Pods"
p.Y.Label.Text = "Rate"
err = plotutil.AddLinePoints(p, "RunningRate", getRunningRatePoints(rs))
if err != nil {
panic(err)
}
// Save the plot to a SVG file.
if err := p.Save(10*vg.Inch, 10*vg.Inch, "density-running-rate.svg"); err != nil {
panic(err)
}
fmt.Println("successfully plotted density graph to density-running-rate.svg")
}
// Plot plots a simple graph.
func Plot(coll Plottable, title, xLabel, yLabel, file string) {
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = title
p.X.Label.Text = xLabel
p.Y.Label.Text = yLabel
points := make(plotter.XYs, coll.Len())
for i := 0; i < coll.Len(); i++ {
a, b := coll.Pluck(i)
points[i].X = a
points[i].Y = b
}
err = plotutil.AddLinePoints(p, "", points)
if err := p.Save(8*vg.Inch, 8*vg.Inch, file); err != nil {
panic(err)
}
}
func graph(best plotter.XYs) {
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "Fitness per iteration"
p.X.Label.Text = "Iteration"
p.Y.Label.Text = "Fitness"
err = plotutil.AddLinePoints(p,
"Best", best,
)
if err != nil {
panic(err)
}
// Save the plot to a PNG file.
if err := p.Save(8*vg.Inch, 8*vg.Inch, "plot.png"); err != nil {
panic(err)
}
}
func main() {
if len(os.Args) < 2 {
fmt.Printf("%s <replay log>\n", os.Args[0])
return
}
f, err := os.Open(os.Args[1])
if err != nil {
fmt.Printf("error opening '%s': %s\n", os.Args[1], err.Error())
return
}
rdr := bufio.NewReader(f)
// For now, "windows" are 5 minute intervals.
qos := make(map[int64]float64) // window number -> qos value
curWindow := int64(0)
windowOffset := int64(0)
metarsByWindow := make(map[int64][]string)
for {
buf, err := rdr.ReadString('\n')
if err != nil {
break
}
buf = strings.TrimFunc(buf, func(r rune) bool { return unicode.IsControl(r) })
linesplit := strings.Split(buf, ",")
if len(linesplit) < 2 { // Blank line or invalid.
continue
}
if linesplit[0] == "START" { // Reset ticker, new start.
//TODO: Support multiple sessions.
// Reset the counters, new session.
// qos = make(map[uint]float64)
// curWindowMetars = make([]string, 0)
// curWindow = 0
windowOffset = curWindow
} else { // If it's not "START", then it's a tick count.
i, err := strconv.ParseInt(linesplit[0], 10, 64)
if err != nil {
fmt.Printf("invalid tick: '%s'\n\n\n%s\n", linesplit[0], buf)
continue
}
// Window number in current session.
wnum := int64(i / (5 * 60 * 1000000000))
// fmt.Printf("%d\n", curWindow)
if wnum+windowOffset != curWindow { // Switched over.
curWindow = wnum + windowOffset
beforeLastWindowMetars, ok := metarsByWindow[curWindow-2]
lastWindowMetars, ok2 := metarsByWindow[curWindow-1]
if ok && ok2 {
// fmt.Printf("%v\n\n\nheyy\n\n%v\n", beforeLastWindowMetars, lastWindowMetars)
qos[curWindow-1] = metar_qos_one_period(beforeLastWindowMetars, lastWindowMetars)
fmt.Printf("qos=%f\n", qos[curWindow-1])
delete(metarsByWindow, curWindow-2)
delete(metarsByWindow, curWindow-1)
}
}
metarsByWindow[curWindow] = append_metars(linesplit[1], metarsByWindow[curWindow])
}
}
// Make graph.
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "Stratux FIS-B QoS vs. Time"
p.X.Label.Text = "5 min intervals"
p.Y.Label.Text = "QoS"
// Loop through an ordered list of the periods, so that the line connects the right dots.
var keys []int
for k := range qos {
keys = append(keys, int(k))
}
sort.Ints(keys)
pts := make(plotter.XYs, len(qos))
i := 0
for _, k := range keys {
v := qos[int64(k)]
fmt.Printf("%d, %f\n", k, v)
pts[i].X = float64(k)
pts[i].Y = v
i++
}
err = plotutil.AddLinePoints(p, "UAT", pts)
if err != nil {
panic(err)
}
if err := p.Save(4*vg.Inch, 4*vg.Inch, "qos.png"); err != nil {
panic(err)
}
}
func main() {
if len(os.Args) < 2 {
fmt.Printf("%s <replay log>\n", os.Args[0])
return
}
f, err := os.Open(os.Args[1])
if err != nil {
fmt.Printf("error opening '%s': %s\n", os.Args[1], err.Error())
return
}
rdr := bufio.NewReader(f)
// For now, "windows" are 1 minute intervals.
ppm := make(map[int64]int64) // window number -> pkts
curWindow := int64(0)
windowOffset := int64(0)
for {
buf, err := rdr.ReadString('\n')
if err != nil {
break
}
buf = strings.TrimFunc(buf, func(r rune) bool { return unicode.IsControl(r) })
linesplit := strings.Split(buf, ",")
if len(linesplit) < 2 { // Blank line or invalid.
continue
}
if linesplit[0] == "START" { // Reset ticker, new start.
windowOffset = curWindow
} else { // If it's not "START", then it's a tick count.
i, err := strconv.ParseInt(linesplit[0], 10, 64)
if err != nil {
fmt.Printf("invalid tick: '%s'\n\n\n%s\n", linesplit[0], buf)
continue
}
// Window number in current session.
wnum := int64(i / (60 * 1000000000))
// fmt.Printf("%d\n", curWindow)
if wnum+windowOffset != curWindow { // Switched over.
curWindow = wnum + windowOffset
fmt.Printf("ppm=%d\n", ppm[curWindow-1])
}
ppm[curWindow]++
}
}
// Make graph.
p, err := plot.New()
if err != nil {
panic(err)
}
p.Title.Text = "Stratux PPM vs. Time"
p.X.Label.Text = "1 min intervals"
p.Y.Label.Text = "PPM"
// Loop through an ordered list of the periods, so that the line connects the right dots.
var keys []int
for k := range ppm {
keys = append(keys, int(k))
}
sort.Ints(keys)
pts := make(plotter.XYs, len(ppm))
i := 0
for _, k := range keys {
v := ppm[int64(k)]
fmt.Printf("%d, %d\n", k, v)
pts[i].X = float64(k)
pts[i].Y = float64(v)
i++
}
err = plotutil.AddLinePoints(p, "UAT", pts)
if err != nil {
panic(err)
}
if err := p.Save(4*vg.Inch, 4*vg.Inch, "ppm.png"); err != nil {
panic(err)
}
}
func (p *promH) graphHook(w http.ResponseWriter, r *http.Request) {
q, ok := r.URL.Query()["q"]
if !ok || len(q) != 1 {
w.WriteHeader(http.StatusBadRequest)
return
}
s, ok := r.URL.Query()["s"]
if !ok || len(s) != 1 {
w.WriteHeader(http.StatusBadRequest)
return
}
e, ok := r.URL.Query()["e"]
if !ok || len(e) != 1 {
w.WriteHeader(http.StatusBadRequest)
return
}
st, _ := strconv.Atoi(s[0])
et, _ := strconv.Atoi(e[0])
ctx := r.Context()
qapi := prom.NewQueryAPI(*p.client)
d, err := qapi.QueryRange(ctx, q[0], prom.Range{time.Unix(0, int64(st)), time.Unix(0, int64(et)), 15 * time.Second})
if err != nil {
w.WriteHeader(http.StatusBadRequest)
return
}
var mx model.Matrix
switch d.Type() {
case model.ValMatrix:
mx = d.(model.Matrix)
sort.Sort(mx)
default:
w.WriteHeader(http.StatusBadRequest)
return
}
plt, err := plot.New()
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
plt.Title.Text = q[0]
plt.X.Tick.Marker = plot.UnixTimeTicks{Format: "Mon 15:04:05"}
for _, ss := range mx {
for _, sps := range mx {
err = plotutil.AddLinePoints(plt, ss.Metric.String(), modelToPlot(sps.Values))
if err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
}
}
// Save the plot to a PNG file.
var wt io.WriterTo
if wt, err = plt.WriterTo(4*vg.Inch, 2*vg.Inch, "png"); err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "image/png")
if _, err := wt.WriteTo(w); err != nil {
w.WriteHeader(http.StatusInternalServerError)
return
}
}