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A minimal example of usage of the nb-dispatch Javascript library
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| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <meta name="viewport" content="width=device-width" /> | |
| <title>An exmaple of nb-dispatch</title> | |
| <!-- Load nb-dispatch library --> | |
| <script src="https://unpkg.com/@nucleome/nb-dispatch"></script> | |
| </head> | |
| <body> | |
| <p>This is a minimal example showing how to create a customized website to communicate with Nucleome Browser using <a href="https://github.com/nucleome/nb-dispatch">nb-dispatch</a></p> | |
| <p>Open <a href="https://vis.nucleome.org" target="_blank">Nucleome Browser</a> </p> | |
| <h3>Part I: Control Nucleome Browser</h3> | |
| <p>Click the following buttons to goto centain genomic region or highligh multiple regions</p> | |
| <div id="connection"></div> | |
| <!-- Create two buttons. --> | |
| <!-- Click the 'Navigate' button to navigate to target region --> | |
| <button onclick="navigate()" >Navigate to chr1:0-10M </button> | |
| <!-- Click the 'Highlight' button to highligh regions on the genome with color --> | |
| <button onclick="highlight()"> Highlight multi-regions </button> | |
| <h3>Part II: Monitor the operations of Nucleome Browser</h3> | |
| <p>Navigate or highlight regions on Nucleome Browser and show the current genomic region or highlighted regions below</p> | |
| <div> | |
| Current genomic region | |
| <div id="current" style="min-height:50px"></div> | |
| </div> | |
| <div> | |
| Current highlighted region | |
| <div id="current_highlight" style="min-height:50px"></div> | |
| </div> | |
| <script> | |
| var chan = nb.dispatch("navigate","highlight") | |
| chan.connect(function(d){ | |
| document.getElementById("connection").innerHTML = d.connection | |
| }) | |
| var navigate = function(){ | |
| chan.call("update",this,[{chr:"chr1",start:0,end:10000000}]) | |
| } | |
| var highlight = function() { | |
| chan.call("brush",this,[{ | |
| chr:"chr1",start:0,end:1000000,color:"red" | |
| },{ | |
| chr:"chr1",start:2000000,end:3000000,color:"orange" | |
| },{ | |
| chr:"chr1",start:4000000,end:5000000, color:"yellow" | |
| },{ | |
| chr:"chr1",start:6000000, end:7000000, color:"green" | |
| },{ | |
| chr:"chr1",start:8000000, end:9000000, color:"blue" | |
| }]) | |
| } | |
| var regionText = function (d) { | |
| return d.chr + ":" + (d.start+1) + "-" + d.end; | |
| }; | |
| var regionsText = function (regions) { | |
| var r = []; | |
| regions.forEach(function (d) { | |
| r.push(regionText(d)); | |
| }); | |
| return r.join(","); | |
| }; | |
| var a = nb.dispatch("update","brush") | |
| a.connect(function(d){ | |
| document.getElementById("connection").innerHTML = d.connection | |
| }) | |
| a.on("update",function(d){ | |
| document.getElementById("current").innerHTML=regionsText(d) | |
| }) | |
| a.on("brush",function(d){ | |
| document.getElementById("current_highlight").innerHTML=regionsText(d) | |
| }) | |
| </script> | |
| </body> | |
| </html> |
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