Questions tagged [cartogram]

A cartogram is a map that varies the area of its elements to represent some underlying value.

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Creating time-space map by distorting city-points polygons using QGIS?

I've already 3 main layers on shp in qgis: the points of some places, the cities polygons and a grid of 10km, as you can see on the image. I would like to distort the map using time values to modify ...
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Getting the coordinates for tripoints where three counties intersect

I'm trying to make a simplified triangulation of a US state (say Ohio) based on the counties. The way I accomplish this is to treat all boundaries, no matter how crooked, as straight lines whose ...
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Merging hexagons in layer to create multiple polygons of equal size using QGIS?

I'm trying to create a hexagon cartogram of electoral constituencies for Pakistan in QGIS. I've got a shapefile of Pakistan's boundaries and I've loaded a layer of overlapping hexagons on top using ...
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How to display missing objects in QGIS 2.8.2 cartogram?

I've just created cartogram using styles/graduated symbol. But there are some missing elements on the map. Objects without data in attribute table are not present on the map (NULL in corresponding ...
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D3 Cartogram.js ZA Tutorial issue, cannot read property of undefined

I do not have a good understanding of D3, or really javascript - I am very new to all of this. I've been wokring on a project to replicate this, which I have been essentially borrowing directly from ...