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我有一个时间尺度，在缩放和滚动后，我需要在另一个时间尺度上显示完全相同的时间段。实际上我知道如何做到这一点，但我需要保持缩放级别限制一致。目前，我将域和zoom.scale（）值保存到变量中，并在新时间范围内设置域和缩放级别。但无论如何，它会显示正确的时间段，直到您在缩放到错误的时间段后触摸缩放比例。d3时间尺度设置初始缩放级别和域名
if ($rootScope.curScroll.domain)
scale = d3.time.scale()
.domain($rootScope.curScroll.domain)
.range([0, w]);
else {
var now = new Date();
scale = d3.time.scale()
.domain([new Date().setTime(now.getTime() - (182.5 * 24 * 60 * 60 * 1000)), new Date().setTime(now.getTime() + (182.5 * 24 * 60 * 60 * 1000))])
.range([0, w]);
}
var first = scale.domain()[0].toString();
var last = scale.domain()[1].toString();
var tmp = 0;
xaxis = d3.svg.axis().scale(scale)
.orient("top")
//.tickSubdivide(2)
.tickSize(25, 0)
.tickFormat(function(d, i, e) {
svg.select("g").selectAll("text")
.style("font-size", "10px")
.each(function() {
if (this.textContent != "") {
if (this.textContent == dateToDateShortString(new Date())) {
this.classList.add("today");
return;
}
var ar = this.textContent.split("/");
var dt = new Date(parseInt(ar[2], 10), parseInt(ar[1], 10) - 1, parseInt(ar[0], 10));
if (dt.getDay() == 0 || dt.getDay() == 1) {
this.classList.add("weekend");
}
}
});
var ind = getInd($rootScope.selectedField, d.toISOString());
{
$rootScope.curScroll.domain = scale.domain();
var first = scale.domain()[0].toString();
var last = scale.domain()[1].toString();
$rootScope.curScroll.zoom = zoom.scale();
curZoom = zoom.scale();
var k = 0;
if ((d.getMonth() + 1) % 2 == 0)
k = 1;
if (curZoom >= 64.1) {
if (d.getHours() == 0) {
if (ind != -1) weat.push(d);
return "";
} else return dateToDateShortString(d);
} else if (curZoom >= 32.5 && ind != -1) {
if (d.getDate() % 2 == 0) {
weat.push(d);
return "";
} else return dateToDateShortString(d);
} else if (curZoom >= 10.13 && ind != -1) {
if ((d.getDate() + 1)/2 % 2 == 0) {
weat.push(d);
return "";
} else return dateToDateShortString(d);
} else if (curZoom >= 2.62 && ind != -1) {
if (d.getWeekNumber() % 2 == 0) {
weat.push(d);
return "";
} else return dateToDateShortString(d);
} else if (curZoom >= 0.87 && ind != -1) {
if ((d.getMonth() + 1) % 2 == 0) {
weat.push(d);
return "";
} else return dateToDateShortString(d);
} else {
if ((d.getMonth() + 2) % 2 != 0 && ind != -1) {
weat.push(d);
return "";
} else return dateToDateShortString(d);
}
}
return dateToDateShortString(d); //"Year1 Year2, etc depending on the tick value - 0,1,2,3,4"
});
if ($rootScope.curScroll.zoom) {
var zoom = d3.behavior
.zoom()
.scaleExtent([0.5, 100])
.on("zoom", function(a, b, c) {
svg.select("g").call(xaxis);
getDateRange();
$scope.isDateInRangeMap();
update_events();
weat = [];
$scope.$apply();
})
.x(scale)
.scale($rootScope.curScroll.zoom);//Here I'm setting needed zoom level
scale.domain($rootScope.curScroll.domain);//Here I'm trying to reset needed domain after applying needed zoom level
svg.select("g").call(xaxis);
}
这是要走的路还是有我失踪的东西？