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forked from noblemillie's block: basic grid and axes
forked from noblemillie's block: basic grid and axes
Created
May 27, 2019 20:28
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basic grid and axes
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| license: mit |
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| <!DOCTYPE html> | |
| <head> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <style> | |
| body { | |
| margin:0; | |
| position:fixed; | |
| top:0; | |
| right:0; | |
| bottom:0; | |
| left:0; } | |
| .axis .grid-line{ | |
| stroke: black; | |
| shape-rendering: crispEdges; | |
| stroke-opacity: .1; | |
| } | |
| </style> | |
| </head> | |
| <body> | |
| <script type="text/javascript"> | |
| var height = 500, | |
| width = 500, | |
| margin = 25; | |
| var svg = d3.select("body").append("svg") | |
| .attr("class", "axis") | |
| .attr("width", width) | |
| .attr("height", height); | |
| function renderXAxis(){ | |
| var axisLength = width - 2 * margin; | |
| var scale = d3.scaleLinear() | |
| .domain([0, 100]) | |
| .range([0, axisLength]); | |
| var xAxis = d3.axisBottom() | |
| .scale(scale); | |
| svg.append("g") | |
| .attr("class", "x-axis") | |
| .attr("transform", function(){ | |
| return "translate(" + margin + "," + (height - margin) + ")"; | |
| }) | |
| .call(xAxis); | |
| d3.selectAll("g.x-axis g.tick") | |
| .append("line") | |
| .classed("grid-line", true) | |
| .attr("x1", 0) | |
| .attr("y1", 0) | |
| .attr("x2", 0) | |
| .attr("y2", - (height - 2 * margin)); | |
| } | |
| function renderYAxis(){ | |
| var axisLength = height - 2 * margin; | |
| var scale = d3.scaleLinear() | |
| .domain([100, 0]) | |
| .range([0, axisLength]); | |
| var yAxis = d3.axisLeft() | |
| .scale(scale); | |
| svg.append("g") | |
| .attr("class", "y-axis") | |
| .attr("transform", function(){ | |
| return "translate(" + margin + "," + margin +")"; | |
| }) | |
| .call(yAxis); | |
| d3.selectAll("g.y-axis g.tick") | |
| .append("line") | |
| .classed("grid-line", true) | |
| .attr("x1", 0) | |
| .attr("y1", 0) | |
| .attr("x2", axisLength) | |
| .attr("y2", 0); | |
| } | |
| renderYAxis(); | |
| renderXAxis(); | |
| </script> | |
| </body> |
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