Can't figure out how to properly scale vector to fit raster.
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January 4, 2016 01:08
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| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title></title> | |
| <script src="http://d3js.org/topojson.v1.min.js"></script> | |
| <script src="http://d3js.org/d3.v3.min.js" charset="utf-8"></script> | |
| <style> | |
| html { | |
| min-width: 1040px; | |
| } | |
| .body { | |
| background-color: #fcfcfc; | |
| font-family: "Lora", sans-serif; | |
| margin: 1em auto 4em auto; | |
| position: relative; | |
| width: 960px; | |
| } | |
| .chart { | |
| border: 1px solid gray; | |
| } | |
| path { | |
| fill: none; | |
| stroke: black; | |
| stroke-width: 1px; | |
| } | |
| </style> | |
| <body> | |
| <div class="chart"></div> | |
| <script> | |
| var width = 960, | |
| height = 500; | |
| var projection = d3.geo.albers() | |
| .center([0, 47.3]) | |
| .parallels([45.8, 49.0]) | |
| .rotate([100.48, 0]) | |
| .scale(9500) // how to calculate this to fit raster? | |
| .translate([width/2, height/2]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select(".chart").append("svg") | |
| .attr({width: width, height: height}); | |
| d3.json("nd.json", function(error, nd) { | |
| var northDakota = topojson.feature(nd, nd.objects.states); | |
| svg.append("clipPath") | |
| .attr("id", "clip") | |
| .append("use") | |
| .attr("xlink:href", "#nd"); | |
| svg.append("image") | |
| // .attr("clip-path", "url(#clip)") | |
| .attr("xlink:href", "nd.jpg") | |
| .attr("width", width) | |
| .attr("height", height); | |
| svg.append("path").datum(northDakota) | |
| .attr("id", "nd") | |
| .attr("d", path); | |
| }); | |
| </script> | |
| </body> | |
| </html> | |
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| all: nd.jpg nd.json | |
| nd.jpg: nd.tiff | |
| convert nd.tiff nd.jpg | |
| nd.json: nd.shp | |
| topojson \ | |
| -p \ | |
| -o nd.json \ | |
| -- nd.shp | |
| touch nd.json | |
| nd.tiff: NE2_HR_LC_SR_W_DR.tif nd.shp | |
| gdalwarp \ | |
| -r bilinear \ | |
| -s_srs EPSG:4326 \ | |
| -t_srs '+proj=aea +lat_1=45.8 +lat_2=49.0 +lat_0=47.43 +lon_0=-100.48 +x_0=0 +y_0=0' \ | |
| -te -276347.294932 180591.286872 303742.906211 -165373.349713 \ | |
| -ts 960 500 \ | |
| NE2_HR_LC_SR_W_DR.tif \ | |
| nd.tiff | |
| touch nd.tiff | |
| nd.shp: states.shp | |
| ogr2ogr -s_srs states.prj \ | |
| -t_srs '+proj=aea +lat_1=45.8 +lat_2=49.0 +lat_0=47.43 +lon_0=-100.48 +x_0=0 +y_0=0' \ | |
| nd.shp states.shp | |
| touch nd.shp |
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