func test(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Content-Type", "text/html")
//fmt.Fprint(w, util.PrintMap(util.Map_example_right))
// vector max values
vMaxVal := []float64{5555.0094, 9400, 0.0094, 1.0, 110.94, 120, 0.00001233}
scale_test := Scale_x_vm
for _, mv := range vMaxVal {
optScale, _, _ := BestScale(mv, scale_test)
floatFormat, exp := practicalFormat(mv)
funcSpanner := util.GetSpanner()
fmt.Fprintf(w, "optimal scale for "+floatFormat+" (exp %d) is <br>", mv, exp)
for tick, val := range optScale {
dis1 := fmt.Sprint(tick)
dis2 := fmt.Sprintf("%s<br>", val)
next_idx := tick + 1
if next_idx > len(optScale)-1 {
next_idx = len(optScale) - 1
}
if util.Stof(val) <= mv && mv <= util.Stof(optScale[next_idx]) {
dis2 = fmt.Sprintf("<b>%s</b> <br>", val)
}
//dis4a := fmt.Sprintf(" %f <= "+floatFormat+" && "+floatFormat+" < %f<br>", util.Stof(val),mv,mv, util.Stof(optScale[next_idx]) )
//fmt.Fprintf(w,funcSpanner(dis4a,433) )
fmt.Fprintf(w, funcSpanner(" ", 64))
fmt.Fprintf(w, funcSpanner(dis1, 120))
fmt.Fprintf(w, funcSpanner(dis2, 233))
fmt.Fprintf(w, "<br>")
}
//fmt.Fprintf(w,"key %v - pot %v <br> %v",key,pot,msg)
fmt.Fprintf(w, "<br>")
}
fmt.Fprintf(w, printScale(Scale_y_vm))
fmt.Fprintf(w, printScale(Scale_x_vm))
}
// display Legend
func disLegend(w http.ResponseWriter, r *http.Request) (b1 *bytes.Buffer, m map[string]string) {
//c := appengine.NewContext(r)
b1 = new(bytes.Buffer)
m = make(map[string]string)
cd1 := GetChartDataFromDatastore(w, r, "chart_data_01")
cd := *cd1
span := util.GetSpanner()
widthLabel := 80
widthColorBox := 120
widthDiv := widthLabel + widthColorBox + 2*4
b1.WriteString(f("<div style='width:%dpx;margin:4px; padding: 4px; line-height:140%%; background-color:#eee;'>", widthDiv))
for langIndex, lang := range cd.VLangs {
gci := langIndex % len(colors.GraphColors) // graph color index
// %x is the hex format, %2.2x makes padding zeros
col := f("%2.2x%2.2x%2.2x", colors.GraphColors[gci][0],
colors.GraphColors[gci][1],
colors.GraphColors[gci][2])
b1.WriteString(span(lang, widthLabel))
block := f("<div style='display:inline-block;width:%dpx;height:5px; background-color:%s;'></div>", widthColorBox, col)
b1.WriteString(span(block, widthColorBox))
b1.WriteString("<br>")
m[lang] = col
}
b1.WriteString("</div>")
return
}
func showAsTable(w http.ResponseWriter, r *http.Request, m map[string]interface{}) {
cd1 := GetChartDataFromDatastore(w, r, "chart_data_01")
cd := *cd1
span := util.GetSpanner()
// Header row
fmt.Fprintf(w, span(" ", 164))
for _, lg := range cd.VLangs {
fmt.Fprintf(w, span(lg, 88))
}
fmt.Fprintf(w, "<br>")
for _, period := range cd.VPeriods {
fmt.Fprintf(w, span(period, 164))
for _, lg := range cd.VLangs {
fmt.Fprintf(w, span(cd.M[period][lg], 88))
}
fmt.Fprintf(w, "<br>")
}
}