I am using nvd3 chart library to display reports in our application.I have tried to display bar chart using nvd3 library..Everything working fine except the tooltip.I didnt get the tooltip in mouse-hover function.I cant figure it out where am going wrong..Pls help me to resolve this issue.
Script is provide below,
function BarChart(chartData, chartid) {
var seriesOptions = [];
for (var i = 0; i < chartData.length; i++) {
seriesOptions[i] = {
key: chartData[i].Name,
values: eval("[" + chartData[i].Value + "]")
};
}
nv.addGraph(function () {
var chart = nv.models.multiBarChart().color(d3.scale.category10().range());
chart.xAxis.tickFormat(d3.format(',.2f'));
chart.yAxis.tickFormat(d3.format(',.2f'));
d3.select('#chartcontainer1 svg')
.datum(seriesOptions)
.transition()
.call(chart);
nv.utils.windowResize(chart.update);
return chart;
});
}
You can call (and personalize) the tooltip by calling the tooltip function, something like this:
chart.tooltip(function (key, x, y, e, graph) {
return '<p><strong>' + key + '</strong></p>' +
'<p>' + y + ' in the month ' + x + '</p>';
});
In your example, you can insert it just before the return chart; line.
I had a similar issue with the lineWithFocusChart and my problem was the libraries which I installed using Bower didn't work for tooltips.
Once I linked to the libraries given on nvd3's live example it worked.
<link rel="stylesheet" href="http://nvd3.org/src/nv.d3.css">
<script src="http://nvd3.org/js/lib/jquery.min.js"></script>
<script src="http://nvd3.org/lib/d3.v2.js"></script>
<script src="http://nvd3.org/nv.d3.js"></script>
Related
I'm trying to make a static cubism chart like this http://bl.ocks.org/bae25/10797393
The csv file ("cubism_test.csv") looks something like this:
date,one,two,three,four,five
2018-06-01,132.54,18.44,68.36,0,56.63
2018-06-02,146.64,19.18,71.74,0,59.66
2018-06-03,160.77,117.98,75.15,0,62.71
2018-06-04,193.29,171.53,78.59,0,65.76
2018-06-05,275.92,78.64,82.05,0,68.82
<script>
// create context and horizon
var context = cubism.context()
.size(30)
.stop();
var horizon = context.horizon()
.extent([0,2]);
d3.csv("cubism_test.csv", function(data)
{
var format = d3.time.format("%Y-%m-%d");
data.forEach(function(d, i)
{
d.date = format.parse(d.date);
d.one= +d.one;
d.two= +d.two;
d.three= +d.three;
d.four= +d.four;
d.five= +d.five;
})
console.log(data);
// define metric accessor
context.metric(function(start,stop,step,callback)
{
var values = data;
console.log(values);
callback(null, values);
}, name);
d3.select("#graph").selectAll(".horizon")
.data(data)
.enter()
.append("div")
.attr("class", "horizon")
.call(horizon);
// set rule
d3.select("#body").append("div")
.attr("class", "rule")
.call(context.rule());
// set focus
context.on("focus", function(i) {
d3.selectAll(".value")
.style( "right", i == null ? null : context.size() - i + "px");
});
// set axis
var axis = context.axis()
d3.select("#graph").append("div").attr("class", "axis").append("g").call(axis);
});
</script>
Obviously this isn't working, but I don't know to fix it. I can't find a proper recourse on how to work with d3 data. The ones I've found are very basic and tell you how to use data to make simple circles, but not time series.
I don't know how to tell d3 to use the column headers as names or get it to use the values in the columns as the values for each cubism/horizon chart.
Your advice would be highly appreciated.
Please help me how can i change x-axis range of bullet chart to percentage?
i have this code of my NVD3.js bullet chart
nv.addGraph(function() {
var chart = nv.models.bulletChart();
chart.tooltip.valueFormatter(function(d){
return ''+ numberWithCommas(d)+''; //on hover show percentage and value
});
d3.select('#chart svg')
.datum(data)
.transition().duration(1000)
.call(chart);
return chart;
});
function numberWithCommas(x) {
return x.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}
here's my data variable
var data = {
measureLabels: ["Total Obligated"]
measures:[0]
rangeLabels:["Available Amount"]
ranges:[28464000]
subtitle:"CODE"
title:"200000100003000"
}
i have tried to add this code
chart.xAxis.tickFormat(function(d) {
//return ranges * 100 / ranges
});
but it said that 'tickFormat' is not a function.
ok i figure out how to change it LOL!.
i added this code.
d3.selectAll('g.nv-tick').select('text').text(function (t) {
return (100 * t / data.ranges[0]).toFixed();
});
i tooks me half a day to figure it out T_T
I am using D3 to create a visualization with rows of <image> svg elements.
Could anyone know how I can upload a replacement image if the image file is not available?
var images= imageGroup.append('svg:image')
.attr("xlink:href",function(d,i){
//lines of code to process filename
return "/img/" + filename + ".jpg"
})
This is more a JavaScript question then d3.js:
<!DOCTYPE html>
<html>
<head>
<script data-require="d3#4.0.0" data-semver="4.0.0" src="https://d3js.org/d3.v4.min.js"></script>
</head>
<body>
<svg width="100" height="100"></svg>
<script>
// set up svg image tag
var images = d3.select("svg")
.append('svg:image')
.attr('width', 50)
.attr('height', 50);
// create a test image
var imgTest = new Image();
// if it loads successfully add it to the svg image
imgTest.onload = function() {
images.attr("xlink:href", imgTest.src);
}
// if it fails test another image
imgTest.onerror = function() {
imgTest.src = "https://dummyimage.com/50x50/000/fff.png&text=An+Image!"
}
// this will fail
imgTest.src = "https://does.not/exist.png";
</script>
</body>
</html>
I know it's an old post but i found a simpler solution than Mark answer. So i post it for future users with the same issue.
In d3.js you can add events listeners on nodes (click, load, error, ...). So when the image fails to load you can change the link (with setAttribute() function) to a fallback image. Here is a working example (note that you should not add xlink: before href ):
var images = imageGroup.append('svg:image')
.attr("href", function(d){
return "ThisImageWillFailsToLoad.jpg"
})
.on("error", function(d){
this.setAttribute("href", "YourFallbackImage.jpg");
})
var images= imageGroup.append('svg:image')
.attr("xlink:href",function(d,i){
return "/img/" + filename + ".jpg"
})
// execute the callback function if the image fails to load
.on('error', function(d) {
// specify a default path for the image
d3.select(this).attr("xlink:href", "/defaultPath");
});
I have been struggling for a few days trying to use dc.js with d3.js projection to draw a map of South Africa and the provinces. I have exhausted my search as most results incorporate the path used for SVG when not using dc.js and I can't seem to find a suitable example for correcting a projection in dc.js.
I can't seem to find the map thats being drawing and I don't know how to correct my projection.
I really really don't know what i'm missing, and anyone that can assist will be appreciated.
UPDATE: I have geoJson that ive tested in mapshaper and it works so the geojson is fine. I am just struggling with the projection.
zaMap = zaMapString
//new array
var zaMapData = [];
for(var p in zaMap["features"])
{
console.log("ndx2 province data " + zaMap["features"][p]["properties"]["name"]);
zaMapData.push({
province: zaMap["features"][p]["properties"]["name"],
donation: 1000
})
};
//crossfilter instance
var ndx2 = crossfilter(zaMapData);
//dimensions and group for dc/d3
var provinceDim = ndx2.dimension(function(d) {console.log("province d " + d["province"]); return d["province"];});
var donationsByProvince = provinceDim.group().reduceSum(function(d) {
return d["donation"];
});
//geoChoroplethChart
var zaChart = dc.geoChoroplethChart("#map");
//start of chart code using d3 and dc
zaChart.dimension(provinceDim)
.group(donationsByProvince)
.width(1000)
.height(330)
.colors(["#E2F2FF", "#C4E4FF", "#9ED2FF", "#81C5FF", "#6BBAFF", "#51AEFF", "#36A2FF", "#1E96FF", "#0089FF", "#0061B5"])
.projection(d3.geo.mercator()
.scale(26778)
.translate([8227, 3207]))
.overlayGeoJson(zaMap["features"], "name", function (d) {
return d.properties.name;
});
dc.renderAll();
$("#progress").css({"display": "none"});
})
UPDATE 2: I switched from fiddle to codepen so I could upload the geoJson file as a asset. The geoJson takes a while to load but using code from an existing stackoverflow question, I have gotten the map to draw and projection to correct itself automatically. The d3.js function is not wrapping the dc.js to tie in with crossfilter.js as yet but I am working on that. But this is progress :)
In http://jsfiddle.net/Jimmypoo/f67xo5ry/1/, you are trying to use JSON.parse to parse an zaMapString, which is already a JS object. You don't need to parse it, it's not a string.
Secondly, d3.json is meant for passing in a remote URL, which d3 grabs for you. You are trying to pass in a JS object, which already exists. So you can remove that function, and simply use .overlayGeoJson(zaMap["features"], "name", function (d) { inside.
You also forgot to include jQuery, yet you use it in $("#progress").css({"display": "none"});. You'll need to wrap the entire JS section in a $(document).ready as well.
Also, you are including the scripts multiple times, in both minified and unminified forms.You only need one instance of each library.
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js" charset="utf-8"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/dc/1.7.0/dc.js"></script>
<script src="http://cdnjs.cloudflare.com/ajax/libs/dc/1.7.0/dc.min.js"></script>
You are also trying to include dc's CSS as JavaScript.
<script src="http://cdnjs.cloudflare.com/ajax/libs/dc/1.7.0/dc.css"></script>
It should be added in JsFiddle's left-hand side resource panel instead.
I also don't think assigning #map directly to the body of your document is going to make things easier for you either..would recommend including something interior of that like <div id="map" style="width:100%;height:300px"></div>
These suggestions don't solve all your problems but get you most of the way along.You still have projection issues. Here is an forked fiddle to move from - http://jsfiddle.net/uggtjem6/
I have gotten the geoJson to work with d3.js, dc.js and crossfiler.
var width = 300;
var height = 400;
var zaMapData = [];
//geoChoroplethChart
var zaChart = dc.geoChoroplethChart("#map");
d3.json("https://s3-us-west-2.amazonaws.com/s.cdpn.io/384835/layer1.json", function(json) {
var zaMap = JSON.stringify(json);
console.log(zaMap);
for (var i = 0; i < json.features.length; i++) {
console.log("ndx2 province data " + json["features"][i]["properties"]["PROVINCE"]);
zaMapData.push({
province: json["features"][i]["properties"]["PROVINCE"],
donation: i*1000
})
};
//crossfilter instance
var ndx2 = crossfilter(zaMapData);
//dimensions and group for dc/d3
var provinceDim = ndx2.dimension(function(d) {console.log("province d " + d["province"]); return d["province"];});
var donationsByProvince = provinceDim.group().reduceSum(function(d) {
return d["donation"];
});
var max_province = donationsByProvince.top(1)[0].value;
// create a first guess for the projection
var center = d3.geo.centroid(json)
var scale = 150;
var offset = [width/2, height/2];
var projection = d3.geo.mercator().scale(scale).center(center)
.translate(offset);
// create the path
var path = d3.geo.path().projection(projection);
// using the path determine the bounds of the current map and use
// these to determine better values for the scale and translation
var bounds = path.bounds(json);
var hscale = scale*width / (bounds[1][0] - bounds[0][0]);
var vscale = scale*height / (bounds[1][1] - bounds[0][1]);
var scale = (hscale < vscale) ? hscale : vscale;
var offset = [width - (bounds[0][0] + bounds[1][0])/2,
height - (bounds[0][1] + bounds[1][1])/2];
// new projection
projection = d3.geo.mercator().center(center)
.scale(scale).translate(offset);
path = path.projection(projection);
//create dc.js chart
zaChart.dimension(provinceDim)
.group(donationsByProvince)
.width(width)
.height(height)
.colors(["#E2F2FF", "#C4E4FF", "#9ED2FF", "#81C5FF", "#6BBAFF", "#51AEFF", "#36A2FF", "#1E96FF", "#0089FF", "#0061B5"])
.colorDomain([0, max_province])
.projection(d3.geo.mercator()
.center(center)
.scale(scale)
.translate(offset))
.overlayGeoJson(json["features"], "PROVINCE", function (d) {
return d.properties.PROVINCE;
})
.title(function (p) {
return "Province: " + p["key"]
+ "\n"
+ "Total Donations: R " + Math.round(p["value"])
});
dc.renderAll();
});
My codepen here.
I need insert a mouseclick event on graph nodes, but all ways don't work with me.
My code that done the graph is this:
<!DOCTYPE html>
<html>
<head>
<title>01. Create Graph. Vivagraph SVG tutorial.</title>
<script type="text/javascript" src="VivaGraphJS-master/dist/vivagraph.js"></script>
<script type="text/javascript">
function main () {
// 1- criar um projeto de grafo
var graph = Viva.Graph.graph();
// 2 - adicionando nós e arestas
graph.addNode('natalia', 'ledlightblue.png');
graph.addNode('jessica', 'krec_record.png');
graph.addNode('lucas', 'ledyellow.png');
graph.addNode('leo', 'ledgreen.png');
graph.addNode('hcii', 'ledpurple.png');
graph.addNode('evento', 'krec_record.png');
graph.addLink('natalia', 'hcii');
graph.addLink('jessica', 'hcii');
graph.addLink('lucas', 'hcii');
graph.addLink('leo', 'hcii');
graph.addLink('jessica', 'evento');
var graphics = Viva.Graph.View.svgGraphics();
//var renderer = Viva.Graph.View.renderer(graph);
graphics.node(function(node) {
var ui = Viva.Graph.svg('image')
.attr('width', 32)
.attr('height', 32)
.link('https://cdn1.iconfinder.com/data/icons/nuvola2/32x32/actions/' + node.data);
return(ui);
});
graphics.link(function(link){
return Viva.Graph.svg('path')
.attr('stroke', 'black')
.attr('stroke-width',2);
}).placeLink(function(linkUI, fromPos, toPos) {
var data = 'M' + fromPos.x + ',' + fromPos.y +
'L' + toPos.x + ',' + toPos.y;
linkUI.attr("d", data);
})
var renderer = Viva.Graph.View.renderer(graph, {
graphics : graphics
});
renderer.run();
}
</script>
<style type="text/css" media="screen">
html, body, svg { width: 100%; height: 100%;}
</style>
I tried many ways like this that is used to do mouseover event
I'm using VivaGraph.js to do the graph
Some solution?
D3js and VivaGraphJS are two different libraries, and your question is only about VivaGraphJs (in the code D3 is not even imported), "d3.js" tag should be removed.
A possible solution is to import JQuery and change this portion of code:
graphics.node(function(node) {
var ui = Viva.Graph.svg('image')
.attr('width', 32)
.attr('height', 32)
.link('https://cdn1.iconfinder.com/data/icons/nuvola2/32x32/actions/' + node.data);
return(ui);
});
Into:
graphics.node(function(node) {
var ui = Viva.Graph.svg('image')
.attr('width', 32)
.attr('height', 32)
.link('https://cdn1.iconfinder.com/data/icons/nuvola2/32x32/actions/' + node.data);
$(ui).hover(function() { // mouse over
console.log("hovering in.", node.id);
}, function() { // mouse out
console.log("hovering out.", node.id);
});
$(ui).click(function() { // mouse click
console.log("click.", node.id);
});
return(ui);
});
$(ui).hover and $(ui).click come from JQuery.