SVG element — handling and selecting text - javascript

having trouble solving a problem in d3 - i'm trying to append a legend to my svg, and the text i'm putting in it needs to be separated out so only the d.key is colored by the colorScale and the d.total is beneath the d.key and the fill is "black".
here's the line of code i was just referring to — .text(function(d) { return (d.key) + ' (' + d.total + ')'; })
in short, how can i add another line of text below d.key and make the fill of this new text "black" or just not the colorScale like d.key is colored with.
svg.append("g")
.attr("class", "legend")
.selectAll("text")
.data(layers)
.enter().append("text")
.text(function(d) { return (d.key) + ' (' + d.total + ')'; })
.attr('fill', function(d) { return colorScale(d.key); })
.attr('y', function(d, i) { return 50 * (i + 2.75); })
.attr('x', "375");

Number of ways to do it. Two separate text elements wrapped in a g or what I show below is two tspan wrapped in a a text:
var svg = d3.select('body')
.append('svg')
.attr('width', 500)
.attr('height', 500);
var layers = [
{
key: 'one',
total: 10
}, {
key: 'two',
total: 20
}
];
var colorScale = d3.scale.category10();
var text = svg.append("g")
.attr("class", "legend")
.selectAll("text")
.data(layers)
.enter().append("text")
.attr('y', function(d, i) { return 50 * (i + 2.75); })
text.append("tspan")
.text(function(d) { return (d.key) + ' (' + d.total + ')'; })
.attr('fill', function(d) { return colorScale(d.key); })
.attr('x', "375");
text.append("tspan")
.attr("dy", "1.2em")
.attr("x", "375")
.text("Second row of text")
.style("fill", "black");
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>

Related

Dynamically create scrollable SVG

I am trying to create a scrollable list. I have looked at other tutorials on here but it does not seem to be working. Essentially I am appending an SVG to a div. Inside this SVG is a D3JS stacked Bar Graph. to the right of this bar graph I am appending a 'g' element with an svg inside. I have set a height for this right SVG. Inside this I have populated a list that would extend beyond the height of the SVG. I have set the CSS for this svg to 'overflow-y: scroll'.
In spite of all of this I can not get this svg to scroll. Instead it just grows to the size of the list and extends past to intended bounds. Please See code below.
var barSVG = d3.select("#documents_reviewed_bar_chart").append("svg")
.classed('barChart-docs-reviewed', true)
.attr('id', 'barSVG')
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr('id', 'gElement')
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
var count = 0;
var graph = barSVG.append('g')
.attr('id', 'graphElement')
color.domain(d3.keys(data[0]).filter(function(key) { return key !== "Date"; }));
data.forEach(function(d) {
var myDate = d.Date; //add to stock code
var y0 = 0;
d.people = color.domain().map(function(name) { return {myDate:myDate, name: name, y0: y0, y1: y0 += +d[name]}; });
d.total = d.people[d.people.length - 1].y1;
count = isNaN(d.total) ? count : count + d.total
});
x.domain(data.map(function(d) { return d.Date; }));
y.domain([0, d3.max(data, function(d) { return d.total; })]);
graph.append("g")
.attr("class", "x axis")
.attr("transform", "translate(0," + height + ")")
.call(xAxis)
.selectAll("text")
.style("text-anchor", "end")
.attr("dx", "-.8em")
.attr("dy", ".15em")
.attr("transform", "rotate(-65)" )
.style("cursor", "pointer")
.on('click', renderHorizontalChart);
graph.append("g")
.attr("class", "y axis")
.call(yAxis)
.append("text")
.attr("transform", "rotate(-90)")
.attr("y", 6)
.attr("dy", ".71em")
.style("text-anchor", "end");
//.text("Population");
graph.append('text')
.text('Total: ' + count)
.attr('x', 20)
.attr('y', -10)
var state = graph.selectAll(".state")
.data(data)
.enter().append("g")
.attr("class", "g")
.attr("transform", function(d) { return "translate(" + "0" + ",0)"; });
//.attr("transform", function(d) { return "translate(" + x(d.Date) + ",0)"; })
state.selectAll("rect")
.data(function(d) {
return d.people;
})
.enter().append("rect")
.attr("width", x.rangeBand())
.attr("y", height)
.attr("x",function(d) { //add to stock code
return x(d.myDate)
})
.attr("height", 0 )
.style("fill", function(d) { return color(d.name); })
.transition()
.duration(1000)
.attr("y", function(d) { return y(d.y1); })
.attr("height", function(d) { return y(d.y0) - y(d.y1); })
.attr("class", function(d) {
classLabel = d.name.replace(/,\s/g, ''); //remove spaces
return "class" + classLabel;
});
state.selectAll("rect")
.on("mouseover", function(d){
var delta = d.y1 - d.y0;
var xPos = parseFloat(d3.select(this).attr("x"));
var yPos = parseFloat(d3.select(this).attr("y"));
var height = parseFloat(d3.select(this).attr("height"))
d3.select(this).attr("stroke","black").attr("stroke-width",2);
tooltip.style("visibility", "visible");
tooltip.style("top", (event.pageY-10)+"px").style("left",(event.pageX+10)+"px");
tooltip.style('background', 'black')
tooltip.style('color', 'white')
tooltip.style('border-radius', '3px')
tooltip.style('padding', '5px')
tooltip.style('opacity', '0.8')
tooltip.style('font-size', '10px;')
tooltip.text(d.name +": "+ delta)
})
.on("mouseout",function(){
tooltip.style("visibility", "hidden");
graph.select(".tooltip").remove();
d3.select(this).attr("stroke","pink").attr("stroke-width",0.2);
})
var itemsAmount = 0
var rightSVG = barSVG.append('svg').classed('rightSVG', true)
.attr('height', '390')
.attr('id', 'rightSVG')
var legendSVG = rightSVG.append('svg').classed('legendSVG', true)
.attr('id', 'legendSVG')
var legend = legendSVG.selectAll(".legend")
.data(color.domain().slice().reverse())
.enter().append("g")
//.attr("class", "legend")
.attr("class", function (d) {
itemsAmount = itemsAmount + 1
legendClassArray.push(d.replace(/,\s/g, '')); //remove spaces
return "legend";
})
.attr("transform", function(d, i) { return "translate(0," + i * 20 + ")"; });
//reverse order to match order in which bars are stacked
legendClassArray = legendClassArray.reverse();
legend.append("rect")
.attr("x", width - 0)
.attr("width", 18)
.attr("height", 18)
.style("fill", color)
.attr("id", function (d, i) {
return "id#" + d.replace(/,\s/g, '');
})
.on("mouseover",function(){
if (active_link === "0") d3.select(this).style("cursor", "pointer");
else {
if (active_link.split("class").pop() === this.id.split("id#").pop()) {
d3.select(this).style("cursor", "pointer");
} else d3.select(this).style("cursor", "auto");
}
})
.on("click",function(d){
if (!this.id.includes('active')) { //nothing selected, turn on this selection
d3.select(this)
.attr('id', function(){
return this.id + 'active'
})
.style("stroke", "black")
.style("stroke-width", 2);
active_link = this.id.split("id#").pop();
plotSingle(this);
} else { //deactivate
d3.select(this)
.classed("active", false)
.attr('id', function() {
return this.id.replace('active', '')
})
.style("stroke", "none")
.style("stroke-width", 0);
plotSingle(this);
}
});
legend.append("text")
.attr("x", width - 6)
.attr("y", 9)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text(function(d) { return d; });
legendSVG.append("text")
.classed('queryButton', true)
.attr("x", width - 6)
.attr("y", height)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text('Run Query')
.on('click', function(){
if (newArr.length > 0) {
d3.select('#barSVG').remove();
runScript(newArr)
}
});
legendSVG.append("text")
.classed('queryButton', true)
.attr("x", width - 6)
.attr("y", height + 18)
.attr("dy", ".35em")
.style("text-anchor", "end")
.text('Reset')
The Specific SVG that I want to be scrollable is the 'rightSVG'.
As you can see in the image, the names are cut off. There should be a scrollable legend where I am able to see 29 data items.
Also, I have added the below CSS:
#documents_reviewed_bar_chart, #gElement{
max-height: 390;
overflow-y: scroll;
}
Short answer: you can't have a scrollable SVG inside another SVG. The overflow-y: scroll applies to HTML elements, not to SVG elements.
Alternative (and hacky) answer: technically, what you want is possible, but you'll have to wrap your inner SVG in an HTML element, which has to be inside a foreignObject.
This alternative is suboptimal, makes little sense and doesn't work on IE. However, just for the sake of curiosity, this is how you can do it:
var outerSvg = d3.select("body")
.append("svg")
.attr("width", 500)
.attr("height", 200)
.style("background-color", "darkkhaki");
var foreign = outerSvg.append("foreignObject")
.attr("x", 300)
.attr("y", 10)
.attr("width", 150)
.attr("height", 180)
.append("xhtml:div")
.style("max-height", "180px")
.style("overflow-y", "scroll");
var innerSvg = foreign.append("svg")
.attr("width", 133)
.attr("height", 1000)
.style("background-color", "powderblue");
var color = d3.scaleOrdinal(d3.schemeCategory20);
var texts = innerSvg.selectAll("foo")
.data(d3.range(65))
.enter()
.append("text")
.attr("x", 40)
.attr("y", (d,i)=> 20 + 15*i)
.text("foo bar baz")
var rects = innerSvg.selectAll("foo")
.data(d3.range(65))
.enter()
.append("rect")
.attr("x", 10)
.attr("y", (d,i)=> 8 + 15*i)
.attr("width", 20)
.attr("height", 13)
.attr("fill", (d,i)=>color(i));
<script src="https://d3js.org/d3.v4.min.js"></script>
The outer SVG is light brown (or khaki). The inner SVG, at the right, is blue, and it's inside a <div> with overflow-y: scroll;.

svg foreignObject wrap background not follow width,height

As title,i want my text can wrap so i use "foreignObject".
the code is success but too many white space.
here's the result image:
here's the code:
json_data.forEach(function(d) {
var elemEnter = svg.select("g")
.append('g')
.attr("transform", d.transform);
elemEnter.append('circle')
.attr("r", d.r)
.attr("fill", d.fill = "red")
.attr("class", d.class)
.attr("id", "node_id" + d.node_sn)
.attr("onclick", "NodesDownInlv3(" + d.node_sn + ")");
elemEnter.append('foreignObject')
.attr("class",d.class)
.attr("id", "node_id_text" + d.node_sn)
.attr("style", "text-anchor:middle")
.attr("x", function(d) {
return -60;
})
.attr("y", function(d) {
return 30;
})
.attr("width",150)
.attr("height",50)
.append('xhtml:body')
.append('p')
.attr("id", "node_id" + d.node_sn)
.text("(5-n-11)123456789,abcdefgh");
});

Overlapping legend d3.js

I am creating the legends with triangle shapes. One is "Yes", the other one is "No". By running the code below, it generate two triangles but they are overlapping. I am trying to seperate them by using this line of code .attr("y", function(d,i) {return 50+i*40;}) but seems like it doesn't work.
Can anyone tell me how to fix it? Thanks!
Click here! This is an html sreenshot for this part of script
var legendname = ["Yes","No"];
var legend = svg.selectAll(".legend")
.data(legendname)
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) {
return "translate(" + (w + 150) + "," + (m.t - 30) + ")";
});
legend.append("path")
.attr("d", d3.svg.symbol().type("triangle-up").size(128))
*** .attr("y", function(d,i) {return 50+i*40;})
.style('fill', function(d) {return color(d);});
legend.append("text")
.attr("y", function(d,i) {return 50+i*20;})
.attr("x", 30)
.text(function(d) { return d; })
You will have to update the translate y attribute of groups instead of the paths. And also there is no need for extra calculations for y attributes of texts and paths then.
.attr("transform", function(d, i) {
return "translate(" + (w + 150) + "," + (30+i*40) + ")";
});
Working Code Snippet:
var w=40; //Sample chart width
var color = d3.scale.category20c();
var svg = d3.select("body").append("svg").attr({ height: 500, width: 400 });
var legendname = ["Yes", "No"];
var legend = svg.selectAll(".legend")
.data(legendname)
.enter().append("g")
.attr("class", "legend")
.attr("transform", function(d, i) {
return "translate(" + (w + 150) + "," + (30+i*40) + ")";
});
legend.append("path")
.attr("d", d3.svg.symbol().type("triangle-up").size(128))
.style('fill', function(d,i) {
return color(i);
});
legend.append("text")
.attr("dx",10)
.attr("dy",".4em")
.text(function(d) {
return d;
})
<script src="https://cdnjs.cloudflare.com/ajax/libs/d3/3.4.11/d3.min.js"></script>

Unable to get x,y position in d3

I am trying to add some text inside rectangles in d3.
var state = svg.selectAll(".state")
.data(data)
.enter().append("g")
.attr("class", "g")
.attr("transform", function(d) {
return "translate(" + x(d[columns[0]]) + ",0)";
});
var count = 0;
state.selectAll("rect")
.data(function(d) {
return d.val;
})
.enter().append("rect")
.attr("width", x.rangeBand())
.attr("y", function(d) {
return y(d.y1); <<<===== Line 1
})
.attr("height", function(d) {
return y(d.y0) - y(d.y1);
})
.attr("x", function(d) {
return x(d.x); <<<===== Line 2
})
.style("fill", function(d,i) {
return colorSet(i);
})
.attr("id", function(d, i) {
return col[i];
})
.attr("onclick", fun)
.append("text")
.attr("transform",function(d) {
var xvalue =x(d.x); <<<===== Line 3
var yValue = y(d.y1); <<<===== Line 4
return "translate(" + xvalue + ", " + yValue + ")";
})
.text("AAA");
First when i am adding the rectangles I am able to get x and y positons x(d.x) and y(d.y1) as mentioned by 'line 1' and 'line 2' but when I am again trying to get x and y value in 'line 3' and 'line 4' I am getting wrong values.
Can anyone point out what is wrong with this code???
Thanks in advance.
As #Cool Blue mentioned you cannot append text element inside a rect element so try this code:
var state = svg.selectAll(".state")
.data(data)
.enter().append("g")
.attr("class", "g")
.attr("transform", function(d) {
return "translate(" + x(d[columns[0]]) + ",0)";
});
var count = 0;
state.selectAll("rect")
.data(function(d) {
return d.val;
})
.enter().append("rect")
.attr("width", x.rangeBand())
.attr("y", function(d) {
return y(d.y1);
})
.attr("height", function(d) {
return y(d.y0) - y(d.y1);
})
.attr("x", function(d) {
return x(d.x);
})
.style("fill", function(d,i) {
return colorSet(i);
})
.attr("id", function(d, i) {
return col[i];
})
.attr("onclick", fun);
state.selectAll("text")
.data(function(d) {
return d.val;
})
.enter().append("text")
.attr("transform",function(d) {
var xvalue =x(d.x);
var yValue = y(d.y1);
return "translate(" + xvalue + ", " + yValue + ")";
})
.text("AAA");

Words go out of the borders in d3.js tag cloud

I want to create word tag cloud using d3 .. I found a good example here but the problem that the words go outside the borders especially in case of large fonts and this screenshot for the problem
and here's my code
<script src="../lib/d3/d3.js"></script>
<script src="../d3.layout.cloud.js"></script>
<script>
var fill = d3.scale.category20();
d3.layout.cloud().size([600, 600])
.words([
"Hello", "world", "normally", "you", "want", "more", "words",
"than", "this"
].map(function(d) {
return {
text: d,
size: 10 + Math.random() * 90
};
}))
.padding(5)
.rotate(function() {
return ~~(Math.random() * 2) * 90;
})
.font("Impact")
.fontSize(function(d) {
return d.size;
})
.on("end", draw)
.start();
function draw(words) {
d3.select("body").append("svg")
.attr("width", 700)
.attr("height", 700)
.append("g")
.attr("transform", "translate(150,150)")
.selectAll("text")
.data(words)
.enter().append("text")
.style("font-size", function(d) {
return d.size + "px";
})
.style("font-family", "Impact")
.style("fill", function(d, i) {
return fill(i);
})
.attr("text-anchor", "middle")
.attr("transform", function(d) {
return "translate(" + [d.x, d.y] + ")rotate(" + d.rotate + ")";
})
.text(function(d) {
return d.text;
});
}
</script>
anyone know a solution for this?
Just change the following line in draw():
.attr("transform", "translate(150,150)")
to:
.attr("transform", "translate(350,350)")
Since your SVG's size is 700x700, you want the g transform to be in the middle of the SVG as the text elements are anchored in the middle.

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