Golang Plot.SetTitle方法代码示例

本文整理汇总了Golang中github.com/GeoNet/mtr/ts.Plot.SetTitle方法的典型用法代码示例。如果您正苦于以下问题：Golang Plot.SetTitle方法的具体用法？Golang Plot.SetTitle怎么用？Golang Plot.SetTitle使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/GeoNet/mtr/ts.Plot的用法示例。

在下文中一共展示了Plot.SetTitle方法的4个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。

示例1: dataCompletenessPlot

/*
plot draws an svg plot to b.  Assumes f.loadPK has been called first.
*/
func dataCompletenessPlot(siteID, typeID, resolution string, plotter ts.SVGPlot, b *bytes.Buffer) *weft.Result {
	var err error
	// we need the sitePK often so read it once.
	var sitePK int
	if err = dbR.QueryRow(`SELECT sitePK FROM data.site WHERE siteID = $1`,
		siteID).Scan(&sitePK); err != nil {
		if err == sql.ErrNoRows {
			return &weft.NotFound
		}
		return weft.InternalServerError(err)
	}

	var typePK int
	var expected int

	if err = dbR.QueryRow(`SELECT typePK, expected FROM data.completeness_type WHERE typeID = $1`,
		typeID).Scan(&typePK, &expected); err != nil {
		if err == sql.ErrNoRows {
			return &weft.NotFound
		}
		return weft.InternalServerError(err)
	}

	expectedf := float64(expected)
	var p ts.Plot

	var tags []string
	var rows *sql.Rows

	if rows, err = dbR.Query(`SELECT tag FROM data.completeness_tag JOIN mtr.tag USING (tagpk) WHERE
		sitePK = $1 AND typePK = $2
		ORDER BY tag asc`,
		sitePK, typePK); err != nil {

		return weft.InternalServerError(err)
	}

	defer rows.Close()

	for rows.Next() {
		var s string
		if err = rows.Scan(&s); err != nil {
			return weft.InternalServerError(err)
		}
		tags = append(tags, s)
	}
	rows.Close()

	p.SetSubTitle("Tags: " + strings.Join(tags, ","))
	p.SetTitle(fmt.Sprintf("Site: %s - %s", siteID, strings.Title(typeID)))
	p.SetUnit("completeness")

	switch resolution {
	case "five_minutes":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*2), time.Now().UTC())
		p.SetXLabel("48 hours")

		expectedf /= 288
		rows, err = dbR.Query(`SELECT date_trunc('hour', time) + extract(minute from time)::int / 5 * interval '5 min' as t,
		 sum(count) FROM data.completeness WHERE
		sitePK = $1 AND typePK = $2
		AND time > now() - interval '2 days'
		GROUP BY date_trunc('hour', time) + extract(minute from time)::int / 5 * interval '5 min'
		ORDER BY t ASC`,
			sitePK, typePK)
	case "hour":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*28), time.Now().UTC())
		p.SetXLabel("4 weeks")

		expectedf /= 24
		rows, err = dbR.Query(`SELECT date_trunc('`+resolution+`',time) as t, sum(count) FROM data.completeness WHERE
		sitePK = $1 AND typePK = $2
		AND time > now() - interval '28 days'
		GROUP BY date_trunc('`+resolution+`',time)
		ORDER BY t ASC`,
			sitePK, typePK)
	case "twelve_hours":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*28), time.Now().UTC())
		p.SetXLabel("4 weeks")

		expectedf /= 2
		rows, err = dbR.Query(`SELECT date_trunc('hour', time) + extract(hour from time)::int / 12 * interval '12 hour' as t, sum(count) FROM data.completeness WHERE
		sitePK = $1 AND typePK = $2
		AND time > now() - interval '28 days'
		GROUP BY date_trunc('hour', time) + extract(hour from time)::int / 12 * interval '12 hour'
		ORDER BY t ASC`,
			sitePK, typePK)
	default:
		return weft.BadRequest("invalid resolution")
	}
	if err != nil {
		return weft.InternalServerError(err)
	}

	var pts []ts.Point

	for rows.Next() {
//.........这里部分代码省略.........

开发者ID:GeoNet，项目名称:mtr，代码行数:101，代码来源:data_completeness.go

示例2: appMetricSvg

func appMetricSvg(r *http.Request, h http.Header, b *bytes.Buffer) *weft.Result {
	a := appMetric{}

	v := r.URL.Query()

	applicationID := v.Get("applicationID")

	var p ts.Plot

	resolution := v.Get("resolution")

	switch resolution {
	case "", "minute":
		resolution = "minute"
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-12), time.Now().UTC())
		p.SetXLabel("12 hours")
	case "five_minutes":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*3), time.Now().UTC())
		p.SetXLabel("48 hours")
	case "hour":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*28), time.Now().UTC())
		p.SetXLabel("4 weeks")
	default:
		return weft.BadRequest("invalid value for resolution")
	}

	var err error

	if v.Get("yrange") != "" {
		y := strings.Split(v.Get("yrange"), `,`)

		var ymin, ymax float64

		if len(y) != 2 {
			return weft.BadRequest("invalid yrange query param.")
		}
		if ymin, err = strconv.ParseFloat(y[0], 64); err != nil {
			return weft.BadRequest("invalid yrange query param.")
		}
		if ymax, err = strconv.ParseFloat(y[1], 64); err != nil {
			return weft.BadRequest("invalid yrange query param.")
		}
		p.SetYAxis(ymin, ymax)
	}

	resTitle := resolution
	resTitle = strings.Replace(resTitle, "_", " ", -1)
	resTitle = strings.Title(resTitle)

	var timeRange []time.Time
	if timeRange, err = parseTimeRange(v); err != nil {
		return weft.InternalServerError(err)
	}

	switch v.Get("group") {
	case "counters":
		if res := a.loadCounters(applicationID, resolution, timeRange, &p); !res.Ok {
			return res
		}

		p.SetTitle(fmt.Sprintf("Application: %s, Metric: Counters - Sum per %s", applicationID, resTitle))
		err = ts.MixedAppMetrics.Draw(p, b)
	case "timers":
		sourceID := v.Get("sourceID")
		if sourceID != "" {
			if res := a.loadTimersWithSourceID(applicationID, sourceID, resolution, timeRange, &p); !res.Ok {
				return res
			}

			p.SetTitle(fmt.Sprintf("Application: %s, Source: %s, Metric: Timers - 90th Percentile (ms) per %s",
				applicationID, sourceID, resTitle))
		} else {
			if res := a.loadTimers(applicationID, resolution, timeRange, &p); !res.Ok {
				return res
			}

			p.SetTitle(fmt.Sprintf("Application: %s, Metric: Timers - 90th Percentile (ms) - Max per %s",
				applicationID, resTitle))
		}
		err = ts.ScatterAppTimers.Draw(p, b)
	case "memory":
		if res := a.loadMemory(applicationID, resolution, timeRange, &p); !res.Ok {
			return res
		}

		p.SetTitle(fmt.Sprintf("Application: %s, Metric: Memory (bytes) - Average per %s",
			applicationID, resTitle))
		err = ts.LineAppMetrics.Draw(p, b)
	case "objects":
		if res := a.loadAppMetrics(applicationID, resolution, internal.MemHeapObjects, timeRange, &p); !res.Ok {
			return res
		}

		p.SetTitle(fmt.Sprintf("Application: %s, Metric: Memory Heap Objects (n) - Average per %s",
			applicationID, resTitle))
		err = ts.LineAppMetrics.Draw(p, b)
	case "routines":
		if res := a.loadAppMetrics(applicationID, resolution, internal.Routines, timeRange, &p); !res.Ok {
			return res
		}
//.........这里部分代码省略.........

开发者ID:GeoNet，项目名称:mtr，代码行数:101，代码来源:app_metric.go

示例3: plot

/*
plot draws an svg plot to b.
Valid values for resolution are 'minute', 'five_minutes', 'hour'.
*/
func (f fieldMetric) plot(deviceID, typeID, resolution string, plotter ts.SVGPlot, b *bytes.Buffer) *weft.Result {
	// we need the devicePK often so read it once.
	var devicePK int
	if err := dbR.QueryRow(`SELECT devicePK FROM field.device WHERE deviceID = $1`,
		deviceID).Scan(&devicePK); err != nil {
		if err == sql.ErrNoRows {
			return &weft.NotFound
		}
		return weft.InternalServerError(err)
	}

	var typePK int
	var scale float64
	var display string

	if err := dbR.QueryRow(`SELECT typePK, scale, display FROM field.type WHERE typeID = $1`,
		typeID).Scan(&typePK, &scale, &display); err != nil {
		if err == sql.ErrNoRows {
			return &weft.NotFound
		}
		return weft.InternalServerError(err)
	}

	var p ts.Plot

	p.SetUnit(display)

	var rows *sql.Rows
	var err error
	var lower, upper int

	if err := dbR.QueryRow(`SELECT lower,upper FROM field.threshold
		WHERE devicePK = $1 AND typePK = $2`,
		devicePK, typePK).Scan(&lower, &upper); err != nil && err != sql.ErrNoRows {
		return weft.InternalServerError(err)
	}

	if !(lower == 0 && upper == 0) {
		p.SetThreshold(float64(lower)*scale, float64(upper)*scale)
	}

	var tags []string

	if rows, err = dbR.Query(`SELECT tag FROM field.metric_tag JOIN mtr.tag USING (tagpk) WHERE
		devicePK = $1 AND typePK = $2
		ORDER BY tag asc`,
		devicePK, typePK); err != nil {
		return weft.InternalServerError(err)
	}

	defer rows.Close()

	for rows.Next() {
		var s string
		if err = rows.Scan(&s); err != nil {
			return weft.InternalServerError(err)
		}
		tags = append(tags, s)
	}

	rows.Close()

	p.SetSubTitle("Tags: " + strings.Join(tags, ","))

	var mod string
	// TODO move into first select for devicePK
	if err = dbR.QueryRow(`SELECT modelid FROM field.device JOIN field.model using (modelpk)
		WHERE devicePK = $1`,
		devicePK).Scan(&mod); err != nil && err != sql.ErrNoRows {
		return weft.InternalServerError(err)
	}

	p.SetTitle(fmt.Sprintf("Device: %s, Model: %s, Metric: %s", deviceID, mod, strings.Title(typeID)))

	switch resolution {
	case "minute":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-12), time.Now().UTC())
		p.SetXLabel("12 hours")
	case "five_minutes":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*2), time.Now().UTC())
		p.SetXLabel("48 hours")
	case "hour":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*28), time.Now().UTC())
		p.SetXLabel("4 weeks")
	default:
		return weft.BadRequest("invalid resolution")
	}

	var timeRange []time.Time
	if timeRange, err = defaultTimeRange(resolution); err != nil {
		return weft.InternalServerError(err)
	}

	rows, err = queryMetricRows(devicePK, typePK, resolution, timeRange)
	if err != nil {
		return weft.InternalServerError(err)
//.........这里部分代码省略.........

开发者ID:GeoNet，项目名称:mtr，代码行数:101，代码来源:field_metric.go

示例4: dataLatencyPlot

func dataLatencyPlot(siteID, typeID, resolution string, plotter ts.SVGPlot, b *bytes.Buffer) *weft.Result {
	var err error
	// we need the sitePK often so read it once.
	var sitePK int
	if err = dbR.QueryRow(`SELECT sitePK FROM data.site WHERE siteID = $1`,
		siteID).Scan(&sitePK); err != nil {
		if err == sql.ErrNoRows {
			return &weft.NotFound
		}
		return weft.InternalServerError(err)
	}

	var typePK int
	var scale float64
	var display string

	if err = dbR.QueryRow(`SELECT typePK, scale, display FROM data.type WHERE typeID = $1`,
		typeID).Scan(&typePK, &scale, &display); err != nil {
		if err == sql.ErrNoRows {
			return &weft.NotFound
		}
		return weft.InternalServerError(err)
	}

	var p ts.Plot

	p.SetUnit(display)

	var lower, upper int

	if err := dbR.QueryRow(`SELECT lower,upper FROM data.latency_threshold
		WHERE sitePK = $1 AND typePK = $2`,
		sitePK, typePK).Scan(&lower, &upper); err != nil && err != sql.ErrNoRows {
		return weft.InternalServerError(err)
	}

	if !(lower == 0 && upper == 0) {
		p.SetThreshold(float64(lower)*scale, float64(upper)*scale)
	}

	var tags []string
	var rows *sql.Rows

	if rows, err = dbR.Query(`SELECT tag FROM data.latency_tag JOIN mtr.tag USING (tagpk) WHERE
		sitePK = $1 AND typePK = $2
		ORDER BY tag asc`,
		sitePK, typePK); err != nil {
		return weft.InternalServerError(err)
	}

	defer rows.Close()

	for rows.Next() {
		var s string
		if err = rows.Scan(&s); err != nil {
			return weft.InternalServerError(err)
		}
		tags = append(tags, s)
	}
	rows.Close()

	p.SetSubTitle("Tags: " + strings.Join(tags, ","))
	p.SetTitle(fmt.Sprintf("Site: %s - %s", siteID, strings.Title(typeID)))

	// TODO - loading avg(mean) at each resolution.  Need to add max(fifty) and max(ninety) when there are some values.
	switch resolution {
	case "minute":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-12), time.Now().UTC())
		p.SetXLabel("12 hours")
	case "five_minutes":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*2), time.Now().UTC())
		p.SetXLabel("48 hours")
	case "hour":
		p.SetXAxis(time.Now().UTC().Add(time.Hour*-24*28), time.Now().UTC())
		p.SetXLabel("4 weeks")
	default:
		return weft.BadRequest("invalid resolution")
	}

	if err != nil {
		return weft.InternalServerError(err)
	}

	var timeRange []time.Time
	if timeRange, err = defaultTimeRange(resolution); err != nil {
		weft.InternalServerError(err)
	}

	rows, err = queryLatencyRows(sitePK, typePK, resolution, timeRange)
	defer rows.Close()

	pts := make(map[internal.ID]([]ts.Point))

	var mean float64
	var fifty int
	var ninety int
	var pt ts.Point

	for rows.Next() {
		if err = rows.Scan(&pt.DateTime, &mean, &fifty, &ninety); err != nil {
//.........这里部分代码省略.........

开发者ID:GeoNet，项目名称:mtr，代码行数:101，代码来源:data_latency.go

注：本文中的github.com/GeoNet/mtr/ts.Plot.SetTitle方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。