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Recent questions tagged D3.js

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d3.js - Filter data in d3 to draw either circle or square

I'm having a bit of trouble understand selections and filtering in d3. Let's say I have a simple array: data = ... on how I'd accomplish this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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472 views

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d3.js - d3.select("#element") not working when code above the html element

This works: <div id="chart"></div> <script>var svg = d3.select("#chart").append("svg:svg");</script ... still select an element below? Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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341 views

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d3.js - Proper way to draw gridlines

Okay, I'm starting to get a little more familiar with D3 but am still a little hazy on some things. I'm ... ) Again, really appreciate any help See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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518 views

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d3.js - arrows on links in d3js force layout

I'm using the force layout to represent a directed unweighted network. My inspiration comes from the following example: ... can I handle this? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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813 views

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d3.js - How to find the max/min of a nested array in javascript?

I want to find the maximum of a nested array, something like this: a = [[1,2],[20,3]] d3.max(d3.max(a)) // 20 ... ["xy",20,3]] d3.max(a) // 20 See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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601 views

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d3.js - Overlay d3 paths onto Google Maps?

I'm trying to overlay a map onto Google Maps using d3.geo and GeoJson. I've managed to force d3 to use the ... if anyone wants to play with it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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d3.js - How to properly add and use D3 Events?

I'm having trouble understanding using D3 events and dispatch functions. I have a chart example that I've ... the corresponding vertical bars? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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436 views

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d3.js - SVG to PNG Server side - using node.js

I'm trying to follow this tutorial on converting a d3.js SVG Vis to a PNG server-side (using Node.js) http ... /jsdom/lib/jsdom.js:199:39) See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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381 views

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d3.js - producing a "live" graph with D3

I've recently started learning to use the D3.js framework and, while it seems like it's been designed to do ... from the server to the client? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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769 views

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d3.js - How to set the Origin (drag.origin) for drag behavior in d3 JavaScript library

I am trying to implement drag behavior for group consisting from HTML-text and background-rectangle using the d3 ... ://jsfiddle.net/Y8y7V/ See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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868 views

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d3.js - How to disable pan for d3.behavior.zoom?

This question looks quite similar to this one, but I am still not able to figure out whether it is possible to ... the "zoomable" area. Thanks! See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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642 views

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d3.js - Can enter() selection be reused after append/insert?

I have a scenario where I want to use a data join to append 2 new elements for each data element. I was ... is a better way to achieve this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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675 views

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d3.js - D3 force directed graph with drag and drop support to make selected node position fixed when dropped

Example on a force direct graph can be found here: http://bl.ocks.org/950642 How can I easily add ... add such support as explained above. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

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d3.js - How to customize the color scale in a D3 line chart?

How do I change the color of lines in a d3 line chart, for example in Mike Bostock's multi-series D3 line chart ... them, but that didn't work. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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632 views

1 answer

d3.js - Getting Screen Positions of D3 Nodes After Transform

I'm trying to get the screen position of a node after the layout has been transformed by d3.behavior.zoom( ... screen-relative state. See below. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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459 views

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d3.js - Create points on a D3 multiline graph

I'm trying to add points to a line graph using d3 in this example: http://bl.ocks.org/mbostock/3884955 I was ... { return color(d.name); }); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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579 views

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d3.js - D3 force layout fix root node at the center

I managed to draw some basic d3 force layout graph, but struggling how to fix root node at the center. My ... place root node at the center? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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665 views

1 answer

d3.js transition end event

I am applying a transition to a group of nodes returned by selectAll(). I thought the end event would fire ... callback will rotated n times. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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827 views

1 answer

d3.js - d3 tick marks on integers only

I have a d3 bar chart whose values range from 0-3. I would like the y-axis to only show integer values, ... at integer values. Is that possible? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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610 views

1 answer

d3.js - Major and minor ticks with V3 of D3?

I want to draw an axis with major and minor ticks styled differently. This example http://bl.ocks.org/ ... draw two completely different axes? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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748 views

1 answer

d3.js - How to use d3.min and d3.max within a d3.json command

I'm new to d3 and Javascript. I have played around with the choropleth example but would like to now make ... data object. Thanks in advance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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487 views

1 answer

d3.js - Updating links on a force directed graph from dynamic json data

I am new to D3 and working on a force directed graph where the json data is dynamic. I am able to ... or help will be really appreciated. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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520 views

1 answer

d3.js - responsive D3 chart

I have this D3 chart - pretty much out of the box. Is there a way to make it responsive and use percentages for the ... ); }; }); } </script> See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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587 views

1 answer

d3.js - Pre-projected geometry v getting the browser to do it (aka efficiency v flexibility)

To improve the performance of my online maps, especially on smartphones, I'm following Mike Bostock's advice ... .geoTransform() function above? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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655 views

1 answer

d3.js - Change the ticks on x-axis

I am trying to figure out d3.js. While defining the axis, How can I get custom labeling on x-axis. For ... ).tickPadding(5).orient("left"); See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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463 views

1 answer

d3.js - How to use D3 in Node.js properly?

I've been trying to invoke D3 within Node.js. I tried firstly to import d3.v2.js from D3's website ... ; section.cell hr.grey h2 Achievements See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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502 views

1 answer

d3.js - Calm down initial tick of a force layout

I've just started dabbling with d3, and find the learning curve quite steep. The process is completely different than ... "bounce time" a bit? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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399 views

1 answer

d3.js - How to create SVG elements of different types based on data?

I am trying to create a diverse legend, which has circles triangles, rectangles, lines etc, and I want to create these ... call(this)}) .attr... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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