fitext | Resizes text elements proportionally to fit any element | Plugin library
kandi X-RAY | fitext Summary
kandi X-RAY | fitext Summary
Fitext is a module which adapts the textual elements so that they are always contained in their parents without ever exceeding whatever the parent height and width. This lightweight library using no-one dependency. You can find a playable demo here.
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of fitext
fitext Key Features
fitext Examples and Code Snippets
Lines of Code : 16License : Permissive (ISC)
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Resize your window
Play with responsive 💡
Insert a huge lorem ipsum text !
import fitext from 'fitext'
fitext(true);
import fitext from 'fitext'
const EVENTS = ['DOMContentLoaded', 'resize']
EVENTS.forEach( e => window.addEventListener( e, fitext ) )
//OR
EVENTS.forEach( e => window.addEventListener( e, () => fitext(true, .25) ) )
$ npm install --save fitext
$ yarn add fitext
Community Discussions
Trending Discussions on fitext
QUESTION
I have a Drilldown world map(continent map + country map) where the second map(the country map) is zoomed-in onload by using fitExtent function. Since it is zoomed-in, I wanted to implement a draggable feature where I can drag the map and see other part of the map.
ANSWER
Answered 2021-Jun-15 at 12:55var svg = d3.select("#mapDiv")
.append("svg")
.attr("width", width)
.attr("height", height)
.style("background-color", "white")
.style("border", "solid 1px black")
.call(d3.zoom()
.on("zoom", function (event) {
svg.attr("transform", event.transform)
})
.scaleExtent([1, 1])
)
.append("g");
QUESTION
I have a country map that I display with d3js. I can't succeed to to make it work with this projection :
...ANSWER
Answered 2021-Apr-03 at 05:57I found a trick that work pretty well. Just remember that this is only a "trick".
You have to add transform scaleX (< 1 if the shape is too wide) style properties for each of your path :
QUESTION
I have published wfs layer then populate the dropdown box by wfs layer attribute now I want when user click on the value of dropdown box it will zoom to the feature of wfs layer on the map
so far i have done this,
...ANSWER
Answered 2020-Jul-05 at 17:17The problem is that you are using the text of the option instead of the value. In other words you are using a wrong index, state property of the feature.
One simple change should fix it,
QUESTION
Based on the response and example made by Andrew Reid, I produced this pen code here points_in_subdivisons: on clicking on areas(Germany) on the screen We want to offer a smooth animation from one close-up on the map to another by using ZOOM OUT, PAN, ZOOM IN.
- I have many divisions(countries) on Country level and then many sub-divisions(regions) inside each country .
- Many points scattered across all divisions (countries) on my example mainly above Germany.
- when I have to click on a targeted division(country) I must get only the points which correspond to this targeted division(country) that I have just clicked on
- That means when the zoom of the subdivision(regions) is triggered(when the click is made), the code should take all the points that exist already only inside the contours of the targeted divison(country) (that have just been clicked on) and points enclosed-in should scatter in their corresponding subdivisions(regions).
To achieve this functionality and based on Michael Rovinsky comment: in the function manipulate(), the code is able to filter and extract only points that are embedded inside the targeted and triggered subdivisions(regions) and exclude markers those that are outside. Inside function redraw() the enter exit pattern works well .
...ANSWER
Answered 2020-Feb-22 at 20:101- To generate first iteration click on Region equal country
QUESTION
I have this dataset which has ellipses, more specifically ellipse "envelopes." I was wondering if someone had advice on how I could draw these on a D3 map. I already have a map setup with mercator projection. This stackoverflow answer has a createEllipse function which got me close, but I want to make sure I am interpreting the data correctly.
I plugged in the major/minor axis values of the ellipse from the data, and used the azimuth for the rotation, would this be correct? I also don't really understand the "envelope" part. How do several ellipses in each zone create a single contiguous shape?
Any advice would be appreciated.
...ANSWER
Answered 2019-Nov-17 at 17:27It seems that you are interpreting results almost right.
One error which I fixed is that your code doesn't consider the azimuth.
Another possible issue may be related to the axes. In the table provided they are named as "axis dimensions" which sound like an ellipse dimensions, while createEllipse function takes radiuses as params. Please, have a look at the zoomed in visualization with above mentioned issues fixed. Tooltip on hover is added for the reference.
Third issue is arguable and depends on the data format established in the table. I mean that x doesn't always mean longitude and y - latitude. But logically it seems that ellipses longer values ("x" values are bigger or equal to "y" values) should correspond to horizontal direction.
As a side note: precision of visualization is also affected by the usage of approximated Earth radius but that is minor.
By "envelope" here is probably meant that ellipse circumscibe certain area of interest which lies inside, considering the fact that area values given are much smaller than the area of ellipse.
QUESTION
I am trying to zoom a map in canvas.
...ANSWER
Answered 2018-Aug-10 at 15:42For the first approach you need to invert the zoom prior to inverting the xy coordinates into long lat coordinates:
QUESTION
I want to plot multiple countries for which the data comes from individual topoJSON files. The map with these countries should be in the middle of the screen (centered) and the appropriate scale should be set that the map fills up the whole window.
What I've already tried:
To get the bounding box with
path.bounds(d)for every country and use for every side (top, left, bottm, right) the max and min values respectively and provide the mean center frompath.centroid(d)toprojection.center(). This didn't work.To apply
projection.fitExtent([[x0,y0],[x1,y1]],geojsonObject)orprojection.fitSize([width,height],geojsonObject)as proposed in this solution. Here I was not able to create the featureCollection as described and use it to create the map.
ANSWER
Answered 2019-Jun-09 at 17:45projection.fitSize and projection.fitExtent both take a single geojson object, not an array of geojson objects. Luckily geojson has an object type that can contain as many child objects as we need: a featureCollection.
I see that you are using topojson, topojson.feature returns a geojson object. In your case you return a feature collection each time you use topojson.
In order to use fitSize/fitExtent we need to create a geojson object that contains all the individual features, a feature collection does this, the structure is as follows:
QUESTION
I am trying to create a d3 SVG that draws a map of New York State and scale it so that it fits the size of my SVG, the issue I am having is that when I use .fitSize([height, width], mapObject) it only returns a NaN error in the console.
the topoJSON file of NYS I am using
I am able to get the map to display without scaling but of course, it is not optimized and needs to be scaled
I have attempted what is said in this post but I have not figured out the correct solution
...ANSWER
Answered 2019-May-03 at 15:32The issue is that fitSize takes a geojson object while selectAll.data() takes an array, you are using one of these two for both in geoData. This leaves two solutions:
Solution 1:
If we use
QUESTION
To improve the performance of my online maps, especially on smartphones, I'm following Mike Bostock's advice to prepare the geodata as much as possible before uploading it to the server (as per his command-line cartography). For example, I'm projecting the TopoJSON data, usually via d3.geoConicEqualArea(), at the command line rather than making the viewer's browser do this grunt work when loading the map.
However, I also want to use methods like .scale, .fitSize, .fitExtent and .translate dynamically, which means I can't "bake" the scale or translate values into the TopoJSON file beforehand.
Bostock recommends using d3.geoTransform() as a proxy for projections like d3.geoConicEqualArea() if you're working with already-projected data but still want to scale or translate it. For example, to flip a projection on the y-axis, he suggests:
ANSWER
Answered 2017-Nov-29 at 07:17If I use this D3 function, aren't I still forcing the viewer's browser to do a lot of data processing, which will worsen the performance? The point of pre-processing the data is to avoid this. Or am I overestimating the processing work involved in the d3.geoTransform() function above?
Short Answer: You are overestimating the amount of work required to transform projected data.
Spherical Nature of D3 geoProjections
A d3 geoProjection is relatively unique. Many platforms, tools, or libraries take points consisting of latitude and longitude pairs and treat them as though they are on a Cartesian plane. This simplifies the math to a huge extent, but comes at a cost: paths follow Cartesian routing.
D3 treats longitude latitude points as what they are: points on a three dimensional ellipsoid. This costs more computationally but provides other benefits - such as routing path segments along great circle routes.
The extra computational costs d3 incurs in treating coordinates as points on a 3d globe are:
- Spherical Math
Take a look at a simple geographic projection before scaling, centering, etc:
QUESTION
I use OL 4.6.5.
I put some markers in a vector layer and have used a home-made thing to find the zoom, depending on how far from eachother the markers are placed (points from database). This is clumsy and coarse but it works...
Now I look for a function or other means to set the zoom automatically, depending on max and min lat and long. I couldn't make "fitExtent()" to work so I looked here and I found two solutions but I can only use this one:
...ANSWER
Answered 2018-Jun-09 at 11:01The syntax you adopted in your code is not necessary here as vectorSource.on('change', function() { is important only when you load asynchronously a source (Ajax calls).
Your code is synchronous e.g
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