I have appended some text to a map I am working on in d3, here is my code:
countriesGroup = svg
.append("g")
.attr("id", "map");
//add background
countriesGroup.append('rect')
.attr("x", 0)
.attr("y", 0)
.attr("width", w)
.attr("height", h);
//Draw countries
countries = countriesGroup.selectAll("path")
.data(j.features)
.enter()
...Draw country borders
//Create Timer Text
countriesGroup.append("text") <-----This worked
.attr("transform", "translate(" + w/2 + "," + h/2 + ")")
.style("fill", "#ff0000")
.text("This is a test");
//Create Timer Text
svg.append("text") <-----This didn't
.attr("transform", "translate(" + w/2 + "," + h/2 + ")")
.style("fill", "#ff0000")
.text("This is a test");
I initially tried appending the Timer text directly to svg but that did not work. When I later tried appending it directly to the countriesGroup group, this worked. How come the text was only able to render when appended to the group, but not when appended directly to the svg?
Related
My chart needs a label in the center of the donut that should not rotate when clicked.
https://codepen.io/scratchy303/pen/dyXMzrz
Can I append the label in a sibling "g"roup and rotate the arcs group?
Can I translate just the arcs rather than rotating the entire SVG?
What's the simplest solution?
var svg = d3.select("#pieChart").append("svg")
.attr("width", '100%')
.attr("height", '100%')
.attr('viewBox', '0 0 ' + Math.min(width, height) + ' ' + Math.min(width, height))
.attr('preserveAspectRatio', 'xMinYMin')
.append("g")
.attr("transform", "translate(" + radius + "," + height / 2 + ")")
.style("filter", "url(#drop-shadow)");
svg.append("g")
.append("text")
.attr("text-anchor", "middle")
.text("Donut Name");
I found a solution by counter-rotating my text. My biggest hurdle was simply traversing my SVG in D3.
//start by selecting the parent "g"roup and then you can select the text
d3.select(i.parentNode).select(".donut-label")
.transition()
.duration(1000)
.attr("transform", "rotate(" + (-angle) + ")");
I have a stackblitz here - https://stackblitz.com/edit/d3-stacked-trend-bar-positioned-months-1b93nz?file=src%2Fapp%2Fbar-chart.ts
I have a stacked bar chart using D3 in Angular.
I'm trying to position a second axis of labels on the x axis.
Currently I'm using the with of the graph but this means the labels dont line up correctly with the bars.
Is there a better D3 way to add these labels and positino them.
Use the x-position of the bars and position the text in the middle of it.
private drawBarTitle(data:any){
this.chart.append('g')
.attr("transform", "translate(" + 10 + "," + (this.height+10) + ")")
.selectAll('g')
.data(data)
.enter()
.append('g')
.attr('transform', (d:any, i:any)=>{
var x = this.x(d.date) + (i%2) * 0.525 * this.x.bandwidth();
return "translate(" + (x + this.x.bandwidth()*0.95*0.25) + "," + 0 + ")"
})
.append('text')
.text((d:any, i:any)=>{ return d.type; })
.attr("dy", "-0.3em")
.classed('trend-type', true)
.style("text-anchor", "end")
.attr("transform", "rotate(-90)");
}
I'm trying to draw vertical labels for the heatmap that I'm working. I'm using the example from http://bl.ocks.org/tjdecke/5558084. Here is the part of the code that I've changed:
var timeLabels = svg.selectAll(".timeLabel")
.data(ife_nr)
.enter().append("text")
.text(function(d) {
return d;
})
.attr("x", function(d, i) {
return (i * gridSize);
})
.attr("y", 0)
//.style("text-anchor", "middle")
//.attr("transform", "translate(" + gridSize / 2 + '-5' + ")")
.attr("transform", "translate(" + gridSize/2 + '-8' + "), rotate(-90)")
.attr("class", function(d, i) {
return ((i >= 0) ? "timeLabel mono axis axis-worktime" : "timeLabel mono axis");
});
But it appears the labels seems to be stacked on top one another on top of the first grid. How can I edit this code to get the labels correctly displayed?
Two problems: first, the translate should have a comma separating the values:
"translate(" + gridSize/2 + ",-8), rotate(-90)")
Assuming that -8 is the y value for the translate. If you don't have a comma, the value inside the parenthesis should be just the x translation (If y is not provided, it is assumed to be zero). But even if there is actually no comma and all that gridSize/2 + '-8' is just the x value you still have a problem, because number plus string is a string. You'll have to clarify this point.
Besides that, for rotating the texts over their centres, you'll have to set the cx and cy of the rotate. Have a look at this demo:
var svg = d3.select("body")
.append("svg")
.attr("width", 400)
.attr("height", 100);
var texts = svg.selectAll(".texts")
.data(["foo", "bar", "baz"])
.enter()
.append("text");
texts.attr("y", 50)
.attr("x", function(d,i){ return 50 + 80*i})
.text(function(d){ return d});
texts.attr("transform", function(d,i){
return "rotate(-90 " + (50 + 80*i) + " 50)";
});
<script src="https://d3js.org/d3.v4.js"></script>
The attached fiddle shows that on zoom the blue rectangles resize with the scale as expected but the yellow rectangles don't! The main difference is that the yellow rectangles were added to a 'g' element with text included. Any ideas why?
https://jsfiddle.net/sjp700/u6rj20jc/1/
var group = svg.selectAll(".rectangle")
.data(data);
gEnter = group.enter()
.append("g")
.attr("class", "rectangle")
.attr("fill", "yellow")
.attr("transform", function (d) { return "translate(" + x(d.start) + "," + y(d.finish) + ")"; });
gEnter.append("rect")
.attr("class", "rectband")
.merge(gEnter)
.attr("width", 50)
.attr("height", 18)
//.attr("rx", 10)
//.attr("ry", 10)
.style("opacity", .5) // set the element opacity
.style("stroke", "black");
Your yellow rectangles and text is not contained in an element that the zoom is applied to. Simple fix is to append them to gMain (which is the element on which the zoom is applied):
var group = gMain
.selectAll(".rectangle")
.data(data);
Updated fiddle here.
i am writing d3.js for generating many charts and graphs.. but when there is no data i am just appending svg a text and writting "no data to display" and assigning some attributes like x y dy etc.. similarly font-size but except font size every thing is working .
why? here is my code
var svg = d3.select(selector).append("svg")
.attr("width", width + margin.left + margin.right)
.attr("height", height + margin.top + margin.bottom)
.append("g")
.attr("transform", "translate(" + margin.left + "," + margin.top + ")");
if (!data.IssueTrendsDAO.issueTrendList) {
svg.append("text")
.attr("font-size","34px")
.attr("y", 79)
.attr("x", 40)
.attr("dy", ".47em")
.style("text-anchor", "start")
.style("fill", "#004669")
.style("font-weight", "bold")
.text("No data to display");
}
I think you'll find it works if you assign font-size as a style rather than as an attribute.
.style("font-size", "34px")
(better yet, assign an id or class attribute and set all your styles in CSS)