This bl.ock reproduces an error with projection.fitSize and path.bounds.
To reproduce the error, comment-in the line retrieving bounds:
// const bounds = path.bounds(conus)
See related issue and fix: d3/d3-geo#59
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geoAlbersUsa.fitSize error
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| license: gpl-3.0 | |
| height: 720 | |
| border: no |
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| var svg = d3.select('svg') | |
| var width = +svg.attr('width') | |
| var height = +svg.attr('height') | |
| d3.json('us.json', function (error, us) { | |
| if (error) { throw error } | |
| // Filter US to lower 48 + AK + HI | |
| var conus = topojson.feature(us, { | |
| type: 'GeometryCollection', | |
| geometries: us.objects.states.geometries.filter(function (d) { return d.id < 60; }), | |
| }) | |
| // Create projection | |
| var projection = d3.geoAlbersUsa() | |
| // Create path | |
| var path = d3.geoPath().projection(projection) | |
| // Comment-in the following line and the projection gets fitted | |
| // incorrectly. | |
| const bounds = path.bounds(conus) | |
| // Fit projection in half the container. | |
| projection.fitSize([width/2, height/2], conus) | |
| svg.append('path') | |
| .datum(conus) | |
| .attr('d', path) | |
| }) |
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| <!DOCTYPE html> | |
| <meta charset='utf-8'> | |
| <style> | |
| svg { | |
| border: solid red 1px; | |
| } | |
| </style> | |
| <body> | |
| <svg width='480' height='360'></svg> | |
| </body> | |
| <script src='https://d3js.org/d3.v4.min.js'></script> | |
| <script src='https://d3js.org/topojson.v1.min.js'></script> | |
| <script src='dist.js'></script> |
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