Raphael示例修改-分析的新基线
Raphael Example Modification - New Baseline on Analytics
我试图将一些图表集成到一个项目中,我已经像示例一样工作,但正确显示我的数据,但我想要能够做的是将基线从0更改为另一个值,因为我的大部分数据是点> 700,使线相对平坦,因为它们都是高值。
谁能告诉我在这里设置基线值的位置?我不是一个javascript的家伙,所以我有麻烦。
编辑:我也希望能够设置一个固定的顶线,理想情况下,如果有人看到一个简单的方法来做到这两点?
Edit2:找到了修复Topline的方法:有一个"max"变量。改一下。
示例在这里。http://raphaeljs.com/analytics.html
有问题的Javascript是这样的:
Raphael.fn.drawGrid = function (x, y, w, h, wv, hv, color) {
color = color || "#000";
var path = ["M", Math.round(x) + .5, Math.round(y) + .5, "L", Math.round(x + w) + .5, Math.round(y) + .5, Math.round(x + w) + .5, Math.round(y + h) + .5, Math.round(x) + .5, Math.round(y + h) + .5, Math.round(x) + .5, Math.round(y) + .5],
rowHeight = h / hv,
columnWidth = w / wv;
for (var i = 1; i < hv; i++) {
path = path.concat(["M", Math.round(x) + .5, Math.round(y + i * rowHeight) + .5, "H", Math.round(x + w) + .5]);
}
for (i = 1; i < wv; i++) {
path = path.concat(["M", Math.round(x + i * columnWidth) + .5, Math.round(y) + .5, "V", Math.round(y + h) + .5]);
}
return this.path(path.join(",")).attr({stroke: color});
};
$(function () {
$("#data").css({
position: "absolute",
left: "-9999em",
top: "-9999em"
});
});
window.onload = function () {
function getAnchors(p1x, p1y, p2x, p2y, p3x, p3y) {
var l1 = (p2x - p1x) / 2,
l2 = (p3x - p2x) / 2,
a = Math.atan((p2x - p1x) / Math.abs(p2y - p1y)),
b = Math.atan((p3x - p2x) / Math.abs(p2y - p3y));
a = p1y < p2y ? Math.PI - a : a;
b = p3y < p2y ? Math.PI - b : b;
var alpha = Math.PI / 2 - ((a + b) % (Math.PI * 2)) / 2,
dx1 = l1 * Math.sin(alpha + a),
dy1 = l1 * Math.cos(alpha + a),
dx2 = l2 * Math.sin(alpha + b),
dy2 = l2 * Math.cos(alpha + b);
return {
x1: p2x - dx1,
y1: p2y + dy1,
x2: p2x + dx2,
y2: p2y + dy2
};
}
// Grab the data
var labels = [],
data = [];
$("#data tfoot th").each(function () {
labels.push($(this).html());
});
$("#data tbody td").each(function () {
data.push($(this).html());
});
// Draw
var width = 800,
height = 250,
leftgutter = 30,
bottomgutter = 20,
topgutter = 20,
colorhue = .6 || Math.random(),
color = "hsl(" + [colorhue, .5, .5] + ")",
r = Raphael("holder", width, height),
txt = {font: '12px Helvetica, Arial', fill: "#fff"},
txt1 = {font: '10px Helvetica, Arial', fill: "#fff"},
txt2 = {font: '12px Helvetica, Arial', fill: "#000"},
X = (width - leftgutter) / labels.length,
max = Math.max.apply(Math, data),
Y = (height - bottomgutter - topgutter) / max;
r.drawGrid(leftgutter + X * .5 + .5, topgutter + .5, width - leftgutter - X, height - topgutter - bottomgutter, 10, 10, "#000");
var path = r.path().attr({stroke: color, "stroke-width": 4, "stroke-linejoin": "round"}),
bgp = r.path().attr({stroke: "none", opacity: .3, fill: color}),
label = r.set(),
lx = 0, ly = 0,
is_label_visible = false,
leave_timer,
blanket = r.set();
label.push(r.text(60, 12, "24 hits").attr(txt));
label.push(r.text(60, 27, "22 September 2008").attr(txt1).attr({fill: color}));
label.hide();
var frame = r.popup(100, 100, label, "right").attr({fill: "#000", stroke: "#666", "stroke-width": 2, "fill-opacity": .7}).hide();
var p, bgpp;
for (var i = 0, ii = labels.length; i < ii; i++) {
var y = Math.round(height - bottomgutter - Y * data[i]),
x = Math.round(leftgutter + X * (i + .5)),
t = r.text(x, height - 6, labels[i]).attr(txt).toBack();
if (!i) {
p = ["M", x, y, "C", x, y];
bgpp = ["M", leftgutter + X * .5, height - bottomgutter, "L", x, y, "C", x, y];
}
if (i && i < ii - 1) {
var Y0 = Math.round(height - bottomgutter - Y * data[i - 1]),
X0 = Math.round(leftgutter + X * (i - .5)),
Y2 = Math.round(height - bottomgutter - Y * data[i + 1]),
X2 = Math.round(leftgutter + X * (i + 1.5));
var a = getAnchors(X0, Y0, x, y, X2, Y2);
p = p.concat([a.x1, a.y1, x, y, a.x2, a.y2]);
bgpp = bgpp.concat([a.x1, a.y1, x, y, a.x2, a.y2]);
}
var dot = r.circle(x, y, 4).attr({fill: "#333", stroke: color, "stroke-width": 2});
blanket.push(r.rect(leftgutter + X * i, 0, X, height - bottomgutter).attr({stroke: "none", fill: "#fff", opacity: 0}));
var rect = blanket[blanket.length - 1];
(function (x, y, data, lbl, dot) {
var timer, i = 0;
rect.hover(function () {
clearTimeout(leave_timer);
var side = "right";
if (x + frame.getBBox().width > width) {
side = "left";
}
var ppp = r.popup(x, y, label, side, 1),
anim = Raphael.animation({
path: ppp.path,
transform: ["t", ppp.dx, ppp.dy]
}, 200 * is_label_visible);
lx = label[0].transform()[0][1] + ppp.dx;
ly = label[0].transform()[0][2] + ppp.dy;
frame.show().stop().animate(anim);
label[0].attr({text: data + " hit" + (data == 1 ? "" : "s")}).show().stop().animateWith(frame, anim, {transform: ["t", lx, ly]}, 200 * is_label_visible);
label[1].attr({text: lbl + " September 2008"}).show().stop().animateWith(frame, anim, {transform: ["t", lx, ly]}, 200 * is_label_visible);
dot.attr("r", 6);
is_label_visible = true;
}, function () {
dot.attr("r", 4);
leave_timer = setTimeout(function () {
frame.hide();
label[0].hide();
label[1].hide();
is_label_visible = false;
}, 1);
});
})(x, y, data[i], labels[i], dot);
}
p = p.concat([x, y, x, y]);
bgpp = bgpp.concat([x, y, x, y, "L", x, height - bottomgutter, "z"]);
path.attr({path: p});
bgp.attr({path: bgpp});
frame.toFront();
label[0].toFront();
label[1].toFront();
blanket.toFront();
};
自从你发布问题以来已经有一段时间了,但也许答案仍然对其他人有帮助:
你需要添加一些额外的变量来获得最小的数据并设置一个新的基线:
这里已经定义了最大值。
max = Math.max.apply(Math, data), //e.g. 800
现在您只需执行相同的操作来获得最小值:
min = Math.min.apply(Math, data), //e.g. 700
从这两个变量中可以得到值的范围。使用'range'代替'max'计算y
range = max - min, //e.g 100
Y = (height - bottomgutter - topgutter ) / range;
现在跳转到定义了y, Y0和Y2的循环,并更改
y = Math.round(height - bottomgutter - Y * data[i]),
Y0 = Math.round(height - bottomgutter - Y * data[i - 1]),
Y2 = Math.round(height - bottomgutter - Y * data[i + 1]),
:
y = Math.round(height - bottomgutter - Y * data[i] + min * Y),
Y0 = Math.round(height - bottomgutter - Y * data[i - 1] + min * Y),
Y2 = Math.round(height - bottomgutter - Y * data[i + 1] + min * Y),
如果您喜欢复制粘贴,这就是完整的编辑窗口。Onload函数()有一个新的基线:
window.onload = function () {
function getAnchors(p1x, p1y, p2x, p2y, p3x, p3y) {
var l1 = (p2x - p1x) / 2,
l2 = (p3x - p2x) / 2,
a = Math.atan((p2x - p1x) / Math.abs(p2y - p1y)),
b = Math.atan((p3x - p2x) / Math.abs(p2y - p3y));
a = p1y < p2y ? Math.PI - a : a;
b = p3y < p2y ? Math.PI - b : b;
var alpha = Math.PI / 2 - ((a + b) % (Math.PI * 2)) / 2,
dx1 = l1 * Math.sin(alpha + a),
dy1 = l1 * Math.cos(alpha + a),
dx2 = l2 * Math.sin(alpha + b),
dy2 = l2 * Math.cos(alpha + b);
return {
x1: p2x - dx1,
y1: p2y + dy1,
x2: p2x + dx2,
y2: p2y + dy2
};
}
// Grab the data
var labels = [],
data = [];
$("#data tfoot th").each(function () {
labels.push($(this).html());
});
$("#data tbody td").each(function () {
data.push($(this).html());
});
// Draw
var width = 800,
height = 250,
leftgutter = 30,
bottomgutter = 20,
topgutter = 20,
colorhue = .6 || Math.random(),
color = "hsl(" + [colorhue, .5, .5] + ")",
r = Raphael("holder", width, height),
txt = {font: '12px Helvetica, Arial', fill: "#fff"},
txt1 = {font: '10px Helvetica, Arial', fill: "#fff"},
txt2 = {font: '12px Helvetica, Arial', fill: "#000"},
X = (width - leftgutter) / labels.length,
max = Math.max.apply(Math, data),
min = Math.min.apply(Math, data),
range = max - min,
Y = (height - bottomgutter - topgutter ) / range;
r.drawGrid(leftgutter + X * .5 + .5, topgutter + .5, width - leftgutter - X, height - topgutter - bottomgutter, 10, 10, "#000");
var path = r.path().attr({stroke: color, "stroke-width": 4, "stroke-linejoin": "round"}),
bgp = r.path().attr({stroke: "none", opacity: .3, fill: color}),
label = r.set(),
lx = 0, ly = 0,
is_label_visible = false,
leave_timer,
blanket = r.set();
label.push(r.text(60, 12, "24 hits").attr(txt));
label.push(r.text(60, 27, "22 September 2008").attr(txt1).attr({fill: color}));
label.hide();
var frame = r.popup(100, 100, label, "right").attr({fill: "#000", stroke: "#666", "stroke-width": 2, "fill-opacity": .7}).hide();
var p, bgpp;
for (var i = 0, ii = labels.length; i < ii; i++) {
var y = Math.round(height - bottomgutter - Y * data[i] + min * Y),
x = Math.round(leftgutter + X * (i + .5)),
t = r.text(x, height - 6, labels[i]).attr(txt).toBack();
if (!i) {
p = ["M", x, y, "C", x, y];
bgpp = ["M", leftgutter + X * .5, height - bottomgutter, "L", x, y, "C", x, y];
}
if (i && i < ii - 1) {
var Y0 = Math.round(height - bottomgutter - Y * data[i - 1] + min * Y),
X0 = Math.round(leftgutter + X * (i - .5)),
Y2 = Math.round(height - bottomgutter - Y * data[i + 1] + min * Y),
X2 = Math.round(leftgutter + X * (i + 1.5));
var a = getAnchors(X0, Y0, x, y, X2, Y2);
p = p.concat([a.x1, a.y1, x, y, a.x2, a.y2]);
bgpp = bgpp.concat([a.x1, a.y1, x, y, a.x2, a.y2]);
}
var dot = r.circle(x, y, 4).attr({fill: "#333", stroke: color, "stroke-width": 2});
blanket.push(r.rect(leftgutter + X * i, 0, X, height - bottomgutter).attr({stroke: "none", fill: "#fff", opacity: 0}));
var rect = blanket[blanket.length - 1];
(function (x, y, data, lbl, dot) {
var timer, i = 0;
rect.hover(function () {
clearTimeout(leave_timer);
var side = "right";
if (x + frame.getBBox().width > width) {
side = "left";
}
var ppp = r.popup(x, y, label, side, 1),
anim = Raphael.animation({
path: ppp.path,
transform: ["t", ppp.dx, ppp.dy]
}, 200 * is_label_visible);
lx = label[0].transform()[0][1] + ppp.dx;
ly = label[0].transform()[0][2] + ppp.dy;
frame.show().stop().animate(anim);
label[0].attr({text: data + " hit" + (data == 1 ? "" : "s")}).show().stop().animateWith(frame, anim, {transform: ["t", lx, ly]}, 200 * is_label_visible);
label[1].attr({text: lbl + " September 2008"}).show().stop().animateWith(frame, anim, {transform: ["t", lx, ly]}, 200 * is_label_visible);
dot.attr("r", 6);
is_label_visible = true;
}, function () {
dot.attr("r", 4);
leave_timer = setTimeout(function () {
frame.hide();
label[0].hide();
label[1].hide();
is_label_visible = false;
}, 1);
});
})(x, y, data[i], labels[i], dot);
}
p = p.concat([x, y, x, y]);
bgpp = bgpp.concat([x, y, x, y, "L", x, height - bottomgutter, "z"]);
path.attr({path: p});
bgp.attr({path: bgpp});
frame.toFront();
label[0].toFront();
label[1].toFront();
blanket.toFront();
};
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