Generating a line using D3.js
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February 5, 2017 14:06
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Basic Shapes - Line
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| <!DOCTYPE> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>Basic Shapes - Line</title> | |
| <!-- JavaScript Libraries //--> | |
| <script src="http://d3js.org/d3.v3.min.js"></script> | |
| <script src="https://code.jquery.com/jquery-3.1.1.min.js"></script> | |
| <!-- CSS Style //--> | |
| <link href="style.css" rel="stylesheet" type="text/css"> | |
| </head> | |
| <body> | |
| <div id="form" style="display:inline-block;float:left;"> | |
| <div class="formElement"> | |
| <span >Width</span> | |
| <input id="width" type="number"> | |
| </div> | |
| <div class="formElement"> | |
| <span >Height</span> | |
| <input id="height" type="number"> | |
| </div> | |
| <div class="formElement"> | |
| <span >X1</span> | |
| <input id="x1" type="number"> | |
| </div> | |
| <div class="formElement"> | |
| <span >Y1</span> | |
| <input id="y1" type="number"> | |
| </div> | |
| <div class="formElement"> | |
| <span >X2</span> | |
| <input id="x2" type="number"> | |
| </div> | |
| <div class="formElement"> | |
| <span >Y2</span> | |
| <input id="y2" type="number"> | |
| </div> | |
| <div class="formElement"> | |
| <span >Stroke Color</span> | |
| <input id="strokeColor" type="text"> | |
| </div> | |
| <div class="formElement"> | |
| <span >Stroke Width</span> | |
| <input id="strokeWidth" type="number"> | |
| </div> | |
| </div> | |
| <div id="line" style="display:inline-block;float:right;"></div> | |
| </body> | |
| <script type="text/javascript" src="main.js"></script> | |
| <script> | |
| var config = { | |
| margin : {top: 50, right: 50, bottom: 50, left: 50}, | |
| x1 : 50, | |
| y1 : 50, | |
| x2 : 250, | |
| y2 : 100, | |
| height: 170, | |
| width:250, | |
| stroke_color : "black", | |
| stroke_width : 2, | |
| dom_element : "#line" | |
| }; | |
| $("#width").on("input",function(){ | |
| config.width = parseInt($(this).val()); | |
| renderLine(config,false); | |
| }); | |
| $("#height").on("input",function(){ | |
| config.height = parseInt($(this).val()); | |
| renderLine(config,false); | |
| }); | |
| $("#x1").on("input",function(){ | |
| config.x1 = parseInt($(this).val()); | |
| renderLine(config,false); | |
| }); | |
| $("#y1").on("input",function(){ | |
| config.y1 = parseInt($(this).val()); | |
| renderLine(config,false); | |
| }); | |
| $("#x2").on("input",function(){ | |
| config.x2 = parseInt($(this).val()); | |
| renderLine(config,false); | |
| }); | |
| $("#y2").on("input",function(){ | |
| config.y2 = parseInt($(this).val()); | |
| renderLine(config,false); | |
| }); | |
| $("#strokeColor").on("input",function(){ | |
| config.stroke_color = $(this).val(); | |
| renderLine(config,false); | |
| }); | |
| $("#strokeWidth").on("input",function(){ | |
| config.stroke_width = parseInt($(this).val()); | |
| renderLine(config,false); | |
| }); | |
| renderLine(config,true); | |
| </script> | |
| </html> |
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| function renderLine(config,first_time){ | |
| if(first_time){ | |
| var svg = d3.select(config.dom_element).append("svg") | |
| .style("width", config.width + config.margin.left + config.margin.right) | |
| .style("height", config.height + config.margin.top + config.margin.bottom); | |
| svg | |
| .append("line") | |
| .attr("x1",config.x1) | |
| .attr("y1",config.y1) | |
| .attr("x2",config.x2) | |
| .attr("y2",config.y2) | |
| .style("stroke",config.stroke_color) | |
| .style("stroke-width",config.stroke_width) | |
| $("#x1").val(config.x1); | |
| $("#y1").val(config.y1); | |
| $("#x2").val(config.x2); | |
| $("#y2").val(config.y2); | |
| $("#width").val(config.width); | |
| $("#height").val(config.height); | |
| $("#strokeColor").val(config.stroke_color); | |
| $("#strokeWidth").val(config.stroke_width); | |
| }else{ | |
| var dom_element = d3.select("svg") | |
| .style("width", config.width + config.margin.left + config.margin.right) | |
| .style("height", config.height + config.margin.top + config.margin.bottom); | |
| dom_element.select("line") | |
| .attr("x1",config.x1) | |
| .attr("y1",config.y1) | |
| .attr("x2",config.x2) | |
| .attr("y2",config.y2) | |
| .style("stroke",config.stroke_color) | |
| .style("stroke-width",config.stroke_width); | |
| } | |
| } |
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| body{ | |
| width: 600px; | |
| } | |
| input { | |
| width:50px; | |
| } | |
| .formElement{ | |
| padding:8px; | |
| } | |
| span{ | |
| display: inline-block; | |
| width: 150px; | |
| } | |
| svg{ | |
| border: 1px solid black; | |
| } |
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