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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,204 @@ | ||
| // Copyright © 2016 Wei Shen <[email protected]> | ||
| // | ||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in | ||
| // all copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| // THE SOFTWARE. | ||
|
|
||
| package cmd | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "runtime" | ||
| "sort" | ||
| "strconv" | ||
|
|
||
| "github.com/gonum/plot" | ||
| "github.com/gonum/plot/plotter" | ||
| "github.com/gonum/plot/vg" | ||
| "github.com/shenwei356/util/stringutil" | ||
| "github.com/spf13/cobra" | ||
| ) | ||
|
|
||
| // boxCmd represents the box command | ||
| var boxCmd = &cobra.Command{ | ||
| Use: "box", | ||
| Short: "plot boxplot", | ||
| Long: `plot boxplot | ||
| `, | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| config := getConfigs(cmd) | ||
| plotConfig := getPlotConfigs(cmd) | ||
|
|
||
| files := getFileList(args) | ||
| if len(files) > 1 { | ||
| checkError(fmt.Errorf("no more than one file should be given")) | ||
| } | ||
| runtime.GOMAXPROCS(config.NumCPUs) | ||
|
|
||
| file := files[0] | ||
| headerRow, data, fields := parseCSVfile(cmd, config, file, plotConfig.fieldStr, false) | ||
|
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| // ======================================= | ||
|
|
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| horiz := getFlagBool(cmd, "horiz") | ||
| w := vg.Length(getFlagNonNegativeFloat64(cmd, "box-width")) | ||
|
|
||
| if config.OutFile == "-" { | ||
| config.OutFile = "boxplot.png" | ||
| } | ||
| if plotConfig.title == "" { | ||
| plotConfig.title = "Box plot" | ||
| } | ||
|
|
||
| groups := make(map[string]plotter.Values) | ||
| groupOrderMap := make(map[string]int) | ||
| var f float64 | ||
| var err error | ||
| var ok bool | ||
| var order int | ||
| var groupName string | ||
| for _, d := range data { | ||
| f, err = strconv.ParseFloat(d[0], 64) | ||
| if err != nil { | ||
| if len(headerRow) > 0 { | ||
| checkError(fmt.Errorf("fail to parse data: %s at column: %s. please choose the right column by flag -f (--data-field)", d[0], headerRow[0])) | ||
| } else { | ||
| checkError(fmt.Errorf("fail to parse data: %s at column: %d. please choose the right column by flag -f (--data-field)", d[0], fields[0])) | ||
| } | ||
| } | ||
| if len(d) > 1 { | ||
| groupName = d[1] | ||
| } else { | ||
| if len(headerRow) > 0 { | ||
| groupName = headerRow[0] | ||
| } else { | ||
| groupName = "" | ||
| } | ||
| } | ||
| if _, ok = groups[groupName]; !ok { | ||
| groups[groupName] = make(plotter.Values, 0) | ||
| } | ||
| groups[groupName] = append(groups[groupName], f) | ||
|
|
||
| if _, ok = groupOrderMap[groupName]; !ok { | ||
| groupOrderMap[groupName] = order | ||
| order++ | ||
| } | ||
| } | ||
|
|
||
| p, err := plot.New() | ||
| if err != nil { | ||
| checkError(err) | ||
| } | ||
|
|
||
| var groupOrders []stringutil.StringCount | ||
| for g := range groupOrderMap { | ||
| groupOrders = append(groupOrders, stringutil.StringCount{Key: g, Count: groupOrderMap[g]}) | ||
| } | ||
| sort.Sort(stringutil.StringCountList(groupOrders)) | ||
|
|
||
| if !horiz { | ||
| if w == 0 { | ||
| w = vg.Points(float64(plotConfig.width*vg.Inch) / float64(len(groupOrders)) / 2.5) | ||
| } | ||
| } else { | ||
| if w == 0 { | ||
| w = vg.Points(float64(plotConfig.height*vg.Inch) / float64(len(groupOrders)) / 2.5) | ||
| } | ||
| } | ||
|
|
||
| groupNames := make([]string, len(groupOrders)) | ||
| for i, group := range groupOrders { | ||
| groupNames[i] = group.Key | ||
| b, err := plotter.NewBoxPlot(w, float64(i), groups[group.Key]) | ||
| checkError(err) | ||
| if horiz { | ||
| b.Horizontal = true | ||
| } | ||
| p.Add(b) | ||
| } | ||
|
|
||
| if !horiz { | ||
| p.NominalX(groupNames...) | ||
| // p.HideX() | ||
| } else { | ||
| p.NominalY(groupNames...) | ||
| // p.HideY() | ||
| } | ||
| if !horiz { | ||
| if plotConfig.ylab == "" { | ||
| if len(headerRow) > 0 { | ||
| plotConfig.ylab = headerRow[0] | ||
| } else { | ||
| plotConfig.ylab = "Values" | ||
| } | ||
| } | ||
| if plotConfig.xlab == "" { | ||
| if len(headerRow) > 0 { | ||
| plotConfig.xlab = headerRow[1] | ||
| } else { | ||
| plotConfig.xlab = "Groups" | ||
| } | ||
| } | ||
| } else { | ||
| if plotConfig.xlab == "" { | ||
| plotConfig.xlab = "Values" | ||
| } | ||
| if plotConfig.ylab == "" && plotConfig.groupFieldStr != "" && len(headerRow) > 0 { | ||
| plotConfig.ylab = headerRow[0] | ||
| } | ||
| } | ||
|
|
||
| p.Title.Text = plotConfig.title | ||
| p.Title.TextStyle.Font.Size = plotConfig.titleSize | ||
| p.X.Label.Text = plotConfig.xlab | ||
| p.Y.Label.Text = plotConfig.ylab | ||
| p.X.Label.TextStyle.Font.Size = plotConfig.labelSize | ||
| p.Y.Label.TextStyle.Font.Size = plotConfig.labelSize | ||
| p.X.Width = plotConfig.axisWidth | ||
| p.Y.Width = plotConfig.axisWidth | ||
| p.X.Tick.Width = plotConfig.tickWidth | ||
| p.Y.Tick.Width = plotConfig.tickWidth | ||
|
|
||
| if plotConfig.xminStr != "" { | ||
| log.Warning("flag --x-min ignored for command box") | ||
| } | ||
| if plotConfig.xmaxStr != "" { | ||
| log.Warning("flag --x-max ignored for command box") | ||
| } | ||
| if plotConfig.yminStr != "" { | ||
| log.Warning("flag --y-min ignored for command box") | ||
| } | ||
| if plotConfig.ymaxStr != "" { | ||
| log.Warning("flag --y-max ignored for command box") | ||
| } | ||
|
|
||
| // Save the plot to a PNG file. | ||
| if err := p.Save(plotConfig.width*vg.Inch, | ||
| plotConfig.height*vg.Inch, config.OutFile); err != nil { | ||
| checkError(err) | ||
| } | ||
| }, | ||
| } | ||
|
|
||
| func init() { | ||
| plotCmd.AddCommand(boxCmd) | ||
|
|
||
| boxCmd.Flags().Float64P("box-width", "", 0, "box width") | ||
| boxCmd.Flags().BoolP("horiz", "", false, "horize box plot") | ||
| } |
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