A simple mandala-like compass rose made up entirely of circles. Built with blockbuilder.org
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October 11, 2017 06:22
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d3js compass rose
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| license: cc-by-4.0 | |
| border: no | |
| height: 600 |
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <link href='https://fonts.googleapis.com/css?family=Cinzel+Decorative' rel='stylesheet' type='text/css'> | |
| <style> | |
| body { | |
| background: #593067; | |
| font-family: 'Cinzel Decorative', cursive; | |
| } | |
| .arc { | |
| fill:#e2e3e3; | |
| fill-opacity:0.4; | |
| stroke-width: 0.2px; | |
| stroke: #111; | |
| } | |
| .arc-heavy { | |
| fill:none; | |
| stroke-width: 0.8px; | |
| stroke: #e2e3e3; | |
| } | |
| .arc-minor { | |
| fill:#e2e3e3; | |
| fill-opacity:0.2; | |
| stroke-width: 0.8px; | |
| stroke: #555; | |
| stroke-dasharray:2,2; | |
| } | |
| .mask { | |
| stroke: #593067; | |
| stroke-width: 200px; | |
| fill:none; | |
| } | |
| .direction { | |
| font-size:24px; | |
| fill: #e2e3e3; | |
| text-anchor:middle; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script> | |
| // set constants | |
| var height = 600 | |
| var width = 600 | |
| var radius = 150 | |
| var interact = radius * 0.7 | |
| var pad = radius * 0.25 | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr("height", height) | |
| .append("g") | |
| // build the intercardinal winds | |
| svg.append("circle") | |
| .attr("class", "arc-minor") | |
| .attr("cx", width/2 - interact) | |
| .attr("cy", height/2) | |
| .attr("r", interact); | |
| svg.append("circle") | |
| .attr("class", "arc-minor") | |
| .attr("cx", width/2) | |
| .attr("cy", height/2 + interact) | |
| .attr("r", interact); | |
| svg.append("circle") | |
| .attr("class", "arc-minor") | |
| .attr("cx", width/2 ) | |
| .attr("cy", height/2 - interact) | |
| .attr("r", interact); | |
| svg.append("circle") | |
| .attr("class", "arc-minor") | |
| .attr("cx", width/2 + interact) | |
| .attr("cy", height/2) | |
| .attr("r", interact); | |
| // build the cardinal winds | |
| svg.append("circle") | |
| .attr("class", "arc") | |
| .attr("cx", width/2 - interact) | |
| .attr("cy", height/2 - interact) | |
| .attr("r", radius); | |
| svg.append("circle") | |
| .attr("class", "arc") | |
| .attr("cx", width/2 + interact) | |
| .attr("cy", height/2 - interact) | |
| .attr("r", radius); | |
| svg.append("circle") | |
| .attr("class", "arc") | |
| .attr("cx", width/2 - interact) | |
| .attr("cy", height/2 + interact) | |
| .attr("r", radius); | |
| svg.append("circle") | |
| .attr("class", "arc") | |
| .attr("cx", width/2 + interact) | |
| .attr("cy", height/2 + interact) | |
| .attr("r", radius); | |
| // add mask | |
| svg.append("circle") | |
| .attr("class", "mask") | |
| .attr("cx", width/2) | |
| .attr("cy", height/2) | |
| .attr("r", 212 + 100); | |
| // build the outer circle | |
| svg.append("circle") | |
| .attr("class", "arc-heavy") | |
| .attr("cx", width/2) | |
| .attr("cy", height/2) | |
| .attr("r", 212); | |
| // labels | |
| svg.append("text") | |
| .attr("class","direction") | |
| .attr("y",pad) | |
| .attr("x",width/2) | |
| .text("N") | |
| svg.append("text") | |
| .attr("class","direction") | |
| .attr("y",height - pad) | |
| .attr("x",width/2) | |
| .text("S") | |
| svg.append("text") | |
| .attr("class","direction") | |
| .attr("y",height/2) | |
| .attr("x",pad) | |
| .attr("dy","0.5em") | |
| .text("W") | |
| svg.append("text") | |
| .attr("class","direction") | |
| .attr("y",height/2) | |
| .attr("x",width - pad) | |
| .attr("dy","0.4em") | |
| .text("E") | |
| </script> | |
| </body> | |
| </html> |
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