D3 nyc map
I have a choropleth map of the united states showing total population. I would like to add a legend to the map showing the quantile range values.
I know I need to include the color range or color domain but just not sure if this is the correct way. As of right now just one feature shows up in the legend, could it be that all the legend features are stacked on top of each other. How can I know for sure and how can I fix this.
The legend code that you're using would work perfectly well if you had an ordinal scalewhere the domain is made up of discrete values that correlate to the range of colours lin may actriz mexicana a one-to-one basis. But you're using a quantile scaleand so need a different approach.
For a d3 quantile scalethe domain is the list of all possible input values, and the range is a list of discrete output values.
The domain list is sorted in ascending order and then divided into equal-sized groups, which are assigned to each output value from the range. The number of groups is determined by the number of output values. With that in mind, in order to get one legend entry for each colour, you're going to need to use your colour scale's rangenot the domain, as the data for your legend.
Then you can use the quantileScale. Learn more. D3 choropleth map with legend Ask Question. Asked 6 years, 1 month ago.
Active 6 years, 1 month ago. Viewed 6k times. Jason Fox 4, 1 1 gold badge 12 12 silver badges 32 32 bronze badges. Something like this? You would just need to set the range of output colors to be quantiles i. Yes I would like it to be similar to that example.
I want it to use the color.
Map of New York - Interactive Map of New York
Active Oldest Votes. By the way, looking at the rest of your code, it looks like what you really want to use is a d3 quantize scale not quantilefor which the domain is a [min,max] range and the scale divides that into groups representing equal-sized extent of the domain variable rather than equal number of observations. The legend code above works the same for either type of scale, since in both cases the number of groups is determined by the range array, and the corresponding domain values can be accessed using invertExtent.
I am making a map of the boroughs in NYC and I can't seem to get the projection right: the only thing I get is a tiny map. I tried recreating this example, which only made the console go crazy with errors, I suspect because there was something off about the equation. When I was trying to get albers to work, I tried out the answer to this question, and still I could not get the map to work. Right now, I am using a transverse Mercator, with the code below, and the topojson I created using one of these files.
I created a bl. QGIS was also good checking the centre of the data, again which came out to be [ Note that these are the opposite way round to your co-ordinates which were lat and long, but d3 needs long and lat as discussed here in the API. The other thing to look out for is the negatives. North is positive so latitude in the northern hemisphere is positive and negative in the southern hemisphere. For the east and west hemispheres its east that's positive. Oh, and no discussion on Projections would be complete without a look at Jason Davies work.
If you want to use a different projection to the projection your data is in I generally think it's better to preprocess your data into that projection and QGIS is a great tool for that but there are many others such as gdal. Learn more. Asked 6 years, 6 months ago. Active 6 years, 6 months ago. Viewed 4k times. This question should help. Active Oldest Votes. Wow, thank you! I then printed out the scale and transform that was calculated dynamically, but this of course spit out non-neat numbers.
This ended up working anyway, but your answer is much more helpful. I didn't know how, sorry! Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown. The Overflow Blog. The Overflow How many jobs can be done at home? Featured on Meta.Teams and conference affiliations are current for the season.
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Gustavus Adolphus. Illinois Wesleyan. Iowa Wesleyan. Blue Streaks. University Heights. Blue Jays. Union Township. La Plume. North Manchester.It was led by information designer Julia Wargaski and historian and type designer Paul Shaw. Towards version The most interesting problem that the subway map poses is that of geography vs the system. The most common solution has been to either distort or remove the geography to compensate for that.
This makes for a particularly interesting design problem. Since I started working on the map in I became convinced that removing or distorting the geography, just because it is inconvenient, is not an optimal solution. My initial thinking revolved around way finding and landmark based navigation as it bears the potential of solving for both above ground and under ground navigation. To test and further develop that idea I started working on an interactive tool which allows me to study both the components of the system and the city.
This is a very crude work in progress visualization. Please be mindful that the data layers are rather large and they may take a moment to load when toggling among the different views.
You are using an outdated browser. Loading Data It appears that you are browsing from a mobile phone or tablet. Come back from a computer to view the interactive version it requires more processing power. Meanwhile here are some static snapshots.GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. If nothing happens, download GitHub Desktop and try again.
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To convert shapefiles to geojson and reproject, you'll need ogr2ogr. On OS X, the easiest way to do this is with Homebrewby running the command brew install gdal.
The data made available here has been modified for use from its original source, which is the Government of New York City. The Department and the City make no representation as to the accuracy of the information or its suitability for any purpose.
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Dismiss Join GitHub today GitHub is home to over 40 million developers working together to host and review code, manage projects, and build software together. Sign up. Maps of New York City geodata. Branch: master. Find file.
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From Wikipedia, the free encyclopedia. Wikipedia list article. This article needs additional citations for verification. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Main articles: College athletics and Sports in New York. The school will join the East Coast Conference in — College athletic programs in the United States by state.
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FCS [a]. United States Military Academy. FBS [b]. State University of New York at Binghamton. Canisius Golden Griffins. New York City Manhattan. New York City The Bronx.Get your product In front of them by sponsoring the Event, and be the partner that helps them crack customer trends! Expand your presence in the industry and solidify your place as a thought leader amongst your peers. Maximse your exposure and pull at the summit with exhibtion and branding opportunities — selling fast!
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