D3.js is a small, open-source JavaScript visualization library for manipulating HTML and SVG documents based on data
2
votes
1answer
41 views
How to render iD editor-style streetmaps?
Is there a simple way to render OSM data (let's start with just streets and names for a single metro area) client side as nodes and edges like the new iD editor?
I'm comfortable with d3 but am ...
1
vote
1answer
91 views
Conversion from Shapefile to TopoJSON format results in incorrect map when rendered using d3js
I am trying to build a map of Canada showing FSA boundaries using d3js. I got shape data from Statistics Canada ...
0
votes
2answers
93 views
How to move and open shapefiles with ogr2ogr?
I'm a total newb following along the d3 map tutorial.
at this line:
ogr2ogr \
-f GeoJSON \
-where "adm0_a3 IN ('GBR', 'IRL')" \
subunits.json \
ne_10m_admin_0_map_subunits.shp
I get ...
1
vote
0answers
91 views
D3, Polymaps and Lines
I'm quite new to d3 and Polymaps and I have a question to ask..
I am trying to connect two points using a line, using Polymaps and d3, my starting point is from this code that Mike provided ...
2
votes
1answer
281 views
Either GeoJson to TopoJson conversion problem, or projection-issue with D3.js
My 'handcrafted' cartogram (How to create contiguous area cartograms in QGIS or R?) is ready to embed in code - I want to present it online with D3.js.
Therefore I produced a topoJSON file of it - ...
2
votes
1answer
88 views
Converting from shp to geojson fails
I'm following Mike Bostock's tutorial, let's make a map, but for a map of Mexico. I want to display state boundaries.
I was able to get the map of Mexico from Natural Earth Data's world maps. My ...
3
votes
3answers
137 views
How to properly convert landmass NaturalEarth data into GeoJSON?
100% Newbie. I've been following Mike's d3 Map Tutorial and I've come up against a challenge. I guess my question essentially boils down to: how does one generate the proper GeoJSON/TopoJSON files ...
3
votes
1answer
286 views
d3.geo.path() to draw a path from GIS coordinates
Trying to take GIS data of the zip codes of the Bronx and turn it into a map using d3.js. But I am having trouble rendering. Could you show me proper use of d3.geo.path() ?
[ [ -73.84463693999993, ...
3
votes
2answers
167 views
“Hello World” introduction for ubuntuGIS?
Is the GIS equivalent of "Hello world!" = "You are here?"
I installed ubuntuGIS recently, but I'm a little overwhelmed navigating the network of many packages to begin accomplishing simple things. ...
3
votes
1answer
476 views
How do you open shapefiles with ogr2ogr
I'm following along the D3 tutorial, and on this line:
ogr2ogr \
-f GeoJSON \
-where "adm0_a3 IN ('GBR', 'IRL')" \
subunits.json \
ne_10m_admin_0_map_subunits.shp
run into the following ...
1
vote
0answers
231 views
translating and scaling viewport to fit geojson map in D3js
I am trying to load a map of Rio de Janeiro (Brazil) in GeoJson for with D3js
the code and the map is here:
https://gist.github.com/4157853
I can open the map normally with Qgis, but with d3js ...
5
votes
3answers
2k views
How to create a GeoJSON that works with D3?
I'm simply trying to convert a .shp file to a geoJSON format using:
ogr2ogr -f geoJSON output.json input.shp
After executing the command nothing seems to be wrong. Here's an excerpt from the ...
4
votes
1answer
1k views
How can I render latitude-longitude coordinates on a map with D3?
I am trying to overlay dots of arbitrary sets of longitude-latitude coordinates on top of a United States map.
So far I have found the D3 cartography example, but when I try to place dots on X,Y ...
0
votes
0answers
426 views
Plot poly-lines between few points in D3+Polymaps
I would like to create polyline on the click of the mouse. I have 4 circles 3 with radius 2 (Lets name it as B,C,D) and 1 with radius 8 (Lets name it as A). Now when I click on the circle A, poly line ...
2
votes
2answers
265 views
how we create line between two cordinates on polymap?
I am working on d3 and polymaps, I plot map and create circle on the given latitude and longitude which retrieves from the JSON file but now I want to connect those circles with line. I tried to do it ...
