pkpp1233 · December 11, 2014 21:02
diff --git a/block.js b/block.js
 var blockspring = require('blockspring');
 var d3 = global.d3 = require('d3');
 var fs = require('fs');
 var cloud = require('d3.layout.cloud');

 blockspring.define(function(request, response){
    var text = request.params.text,
        width = request.params.width,
        height = request.params.height,
        rotate_words = request.params.rotate_flag,
        unique_word_counts = {};

    if (!text){
        response.addErrorOutput("Please enter some text", "Couldn't parse the your text input for words.");
        response.end();
        return;
    }

    var wordmap = processText(text);

    var svg = d3.select('body').html('').append('svg')
        .attr('xmlns', 'http://www.w3.org/2000/svg')
        .attr('xmlns:xlink', 'http://www.w3.org/1999/xlink');

    drawCloud(wordmap, width, height, svg, rotate_words, writeSvgToFile);
    
    // write svg to file and add to response.
    function writeSvgToFile(body){
        var svg_string = body.node().innerHTML;
        fs.writeFile('graph.svg', svg_string, function (err) {
            if (err) throw err;
            response.addFileOutput("image", "graph.svg", function(){
                response.end()
            });
        });
    }
 });

 function processText(text){
    var unique_word_counts = {},
        exclude_words = "i,me,my,myself,we,us,our,ours,ourselves,you,your,yours,yourself,yourselves,he,him,his,himself,she,her,hers,herself,it,its,itself,they,them,their,theirs,themselves,what,which,who,whom,whose,this,that,these,those,am,is,are,was,were,be,been,being,have,has,had,having,do,does,did,doing,will,would,should,can,could,ought,i'm,you're,he's,she's,it's,we're,they're,i've,you've,we've,they've,i'd,you'd,he'd,she'd,we'd,they'd,i'll,you'll,he'll,she'll,we'll,they'll,isn't,aren't,wasn't,weren't,hasn't,haven't,hadn't,doesn't,don't,didn't,won't,wouldn't,shan't,shouldn't,can't,cannot,couldn't,mustn't,let's,that's,who's,what's,here's,there's,when's,where's,why's,how's,a,an,the,and,but,if,or,because,as,until,while,of,at,by,for,with,about,against,between,into,through,during,before,after,above,below,to,from,up,upon,down,in,out,on,off,over,under,again,further,then,once,here,there,when,where,why,how,all,any,both,each,few,more,most,other,some,such,no,nor,not,only,own,same,so,than,too,very,say,says,said,poop,shall";

    var tokenized_text = text.split(/[ '\-\(\)\*":;\[\]|{},.!?]+/);
    tokenized_text.forEach(function(raw_word){
        var word = raw_word.toLowerCase();
        if (word != "" && exclude_words.indexOf(word)==-1 && word.length>1){
            word in unique_word_counts ?
                unique_word_counts[word]++ :
                (unique_word_counts[word] = 1 + Math.random());
        }
    });

    var wordmap = d3.entries(unique_word_counts).sort(function(a,b){
        return b.value - a.value;
    });

    return wordmap;
 }

 function drawCloud(wordmap, width, height, svg, rotate_words, callback){
    var max = Math.min(width / 5, height / 5, 100),
        font_size = d3.scale.linear()
            .domain([ 1, d3.max( wordmap, function(d) { return d.value; })])
            .range([max / 10, max]),
        fill = d3.scale.category20();

    cloud().size([width, height])
        .words(wordmap)
        .timeInterval(20)
        .padding(3)
        .spiral("rectangular")
        .fontSize(function(d) { return font_size(d.value); })
        .font("Impact")
        .text(function(d) { return d.key; })
        .rotate(function() {
            return rotate_words ? (~~(Math.random() * 2) * 90) : 0;
        })
        .on("end", function(words){
            cloud().stop();
            svg
                .attr("width", width)
                .attr("height", height)
            .append("g")
                .attr("transform", "translate(" + [width >> 1, height >> 1] + ")")
            .selectAll("text")
                .data(words)
            .enter().append("text")
                .style("font-family", "Impact")
                .style("font-size", function(d) { return font_size(d.value) + "px"; })
                .style("fill", function(d, i) { return fill(i); })
                .attr("text-anchor", "middle")
                .attr("transform", function(d) {
                    return "translate(" + [d.x, d.y] + ")rotate(" + d.rotate + ")";
                })
                .text(function(d) { return d.key; });

            callback(d3.select('body'));
        })
        .start();
 }
	var blockspring = require('blockspring');
	var d3 = global.d3 = require('d3');
	var fs = require('fs');
	var cloud = require('d3.layout.cloud');

	blockspring.define(function(request, response){
	var text = request.params.text,
	width = request.params.width,
	height = request.params.height,
	rotate_words = request.params.rotate_flag,
	unique_word_counts = {};

	if (!text){
	response.addErrorOutput("Please enter some text", "Couldn't parse the your text input for words.");
	response.end();
	return;
	}

	var wordmap = processText(text);

	var svg = d3.select('body').html('').append('svg')
	.attr('xmlns', 'http://www.w3.org/2000/svg')
	.attr('xmlns:xlink', 'http://www.w3.org/1999/xlink');

	drawCloud(wordmap, width, height, svg, rotate_words, writeSvgToFile);

	// write svg to file and add to response.
	function writeSvgToFile(body){
	var svg_string = body.node().innerHTML;
	fs.writeFile('graph.svg', svg_string, function (err) {
	if (err) throw err;
	response.addFileOutput("image", "graph.svg", function(){
	response.end()
	});
	});
	}
	});

	function processText(text){
	var unique_word_counts = {},
	exclude_words = "i,me,my,myself,we,us,our,ours,ourselves,you,your,yours,yourself,yourselves,he,him,his,himself,she,her,hers,herself,it,its,itself,they,them,their,theirs,themselves,what,which,who,whom,whose,this,that,these,those,am,is,are,was,were,be,been,being,have,has,had,having,do,does,did,doing,will,would,should,can,could,ought,i'm,you're,he's,she's,it's,we're,they're,i've,you've,we've,they've,i'd,you'd,he'd,she'd,we'd,they'd,i'll,you'll,he'll,she'll,we'll,they'll,isn't,aren't,wasn't,weren't,hasn't,haven't,hadn't,doesn't,don't,didn't,won't,wouldn't,shan't,shouldn't,can't,cannot,couldn't,mustn't,let's,that's,who's,what's,here's,there's,when's,where's,why's,how's,a,an,the,and,but,if,or,because,as,until,while,of,at,by,for,with,about,against,between,into,through,during,before,after,above,below,to,from,up,upon,down,in,out,on,off,over,under,again,further,then,once,here,there,when,where,why,how,all,any,both,each,few,more,most,other,some,such,no,nor,not,only,own,same,so,than,too,very,say,says,said,poop,shall";

	var tokenized_text = text.split(/[ '\-\(\)\*":;\[\]\|{},.!?]+/);
	tokenized_text.forEach(function(raw_word){
	var word = raw_word.toLowerCase();
	if (word != "" && exclude_words.indexOf(word)==-1 && word.length>1){
	word in unique_word_counts ?
	unique_word_counts[word]++ :
	(unique_word_counts[word] = 1 + Math.random());
	}
	});

	var wordmap = d3.entries(unique_word_counts).sort(function(a,b){
	return b.value - a.value;
	});

	return wordmap;
	}

	function drawCloud(wordmap, width, height, svg, rotate_words, callback){
	var max = Math.min(width / 5, height / 5, 100),
	font_size = d3.scale.linear()
	.domain([ 1, d3.max( wordmap, function(d) { return d.value; })])
	.range([max / 10, max]),
	fill = d3.scale.category20();

	cloud().size([width, height])
	.words(wordmap)
	.timeInterval(20)
	.padding(3)
	.spiral("rectangular")
	.fontSize(function(d) { return font_size(d.value); })
	.font("Impact")
	.text(function(d) { return d.key; })
	.rotate(function() {
	return rotate_words ? (~~(Math.random() * 2) * 90) : 0;
	})
	.on("end", function(words){
	cloud().stop();
	svg
	.attr("width", width)
	.attr("height", height)
	.append("g")
	.attr("transform", "translate(" + [width >> 1, height >> 1] + ")")
	.selectAll("text")
	.data(words)
	.enter().append("text")
	.style("font-family", "Impact")
	.style("font-size", function(d) { return font_size(d.value) + "px"; })
	.style("fill", function(d, i) { return fill(i); })
	.attr("text-anchor", "middle")
	.attr("transform", function(d) {
	return "translate(" + [d.x, d.y] + ")rotate(" + d.rotate + ")";
	})
	.text(function(d) { return d.key; });

	callback(d3.select('body'));
	})
	.start();
	}