most used Georgian words

.block

license: mit

README.md

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forked from bumbeishvili's block: responsive word cloud d3.v4

forked from bumbeishvili's block: most used Georgian symbols

d3.layout.cloud.js

// Word cloud layout by Jason Davies, http://www.jasondavies.com/word-cloud/
// Algorithm due to Jonathan Feinberg, http://static.mrfeinberg.com/bv_ch03.pdf
(function (exports) {
  function cloud() {
    var size = [256, 256],
      text = cloudText,
      font = cloudFont,
      fontSize = cloudFontSize,
      fontStyle = cloudFontNormal,
      fontWeight = cloudFontNormal,
      rotate = cloudRotate,
      padding = cloudPadding,
      spiral = archimedeanSpiral,
      words = [],
      timeInterval = Infinity,
      event = d3.dispatch("word", "end"),
      timer = null,
      cloud = {};

    cloud.start = function () {
      var board = zeroArray((size[0] >> 5) * size[1]),
        bounds = null,
        n = words.length,
        i = -1,
        tags = [],
        data = words.map(function (d, i) {
          d.text = text.call(this, d, i);
          d.font = font.call(this, d, i);
          d.style = fontStyle.call(this, d, i);
          d.weight = fontWeight.call(this, d, i);
          d.rotate = rotate.call(this, d, i);
          d.size = ~~fontSize.call(this, d, i);
          d.padding = padding.call(this, d, i);
          return d;
        }).sort(function (a, b) { return b.size - a.size; });

      if (timer) clearInterval(timer);
      timer = setInterval(step, 0);
      step();

      return cloud;

      function step() {
        var start = +new Date,
          d;
        while (+new Date - start < timeInterval && ++i < n && timer) {
          d = data[i];
          d.x = (size[0] * (Math.random() + .5)) >> 1;
          d.y = (size[1] * (Math.random() + .5)) >> 1;
          cloudSprite(d, data, i);
          if (d.hasText && place(board, d, bounds)) {
            tags.push(d);
            //  event.word(d);
            if (bounds) cloudBounds(bounds, d);
            else bounds = [{ x: d.x + d.x0, y: d.y + d.y0 }, { x: d.x + d.x1, y: d.y + d.y1 }];
            // Temporary hack
            d.x -= size[0] >> 1;
            d.y -= size[1] >> 1;
          }
        }
        if (i >= n) {
          cloud.stop();
          if (d3.version.startsWith('4.')) {
            event.call('end',tags, bounds);
          } else if (d3.version.startsWith('3.')) {
            event.end(tags, bounds);
          };

        }
      }
    }

    cloud.stop = function () {
      if (timer) {
        clearInterval(timer);
        timer = null;
      }
      return cloud;
    };

    cloud.timeInterval = function (x) {
      if (!arguments.length) return timeInterval;
      timeInterval = x == null ? Infinity : x;
      return cloud;
    };

    function place(board, tag, bounds) {
      var perimeter = [{ x: 0, y: 0 }, { x: size[0], y: size[1] }],
        startX = tag.x,
        startY = tag.y,
        maxDelta = Math.sqrt(size[0] * size[0] + size[1] * size[1]),
        s = spiral(size),
        dt = Math.random() < .5 ? 1 : -1,
        t = -dt,
        dxdy,
        dx,
        dy;

      while (dxdy = s(t += dt)) {
        dx = ~~dxdy[0];
        dy = ~~dxdy[1];

        if (Math.min(dx, dy) > maxDelta) break;

        tag.x = startX + dx;
        tag.y = startY + dy;

        if (tag.x + tag.x0 < 0 || tag.y + tag.y0 < 0 ||
          tag.x + tag.x1 > size[0] || tag.y + tag.y1 > size[1]) continue;
        // TODO only check for collisions within current bounds.
        if (!bounds || !cloudCollide(tag, board, size[0])) {
          if (!bounds || collideRects(tag, bounds)) {
            var sprite = tag.sprite,
              w = tag.width >> 5,
              sw = size[0] >> 5,
              lx = tag.x - (w << 4),
              sx = lx & 0x7f,
              msx = 32 - sx,
              h = tag.y1 - tag.y0,
              x = (tag.y + tag.y0) * sw + (lx >> 5),
              last;
            for (var j = 0; j < h; j++) {
              last = 0;
              for (var i = 0; i <= w; i++) {
                board[x + i] |= (last << msx) | (i < w ? (last = sprite[j * w + i]) >>> sx : 0);
              }
              x += sw;
            }
            delete tag.sprite;
            return true;
          }
        }
      }
      return false;
    }

    cloud.words = function (x) {
      if (!arguments.length) return words;
      words = x;
      return cloud;
    };

    cloud.size = function (x) {
      if (!arguments.length) return size;
      size = [+x[0], +x[1]];
      return cloud;
    };

    cloud.font = function (x) {
      if (!arguments.length) return font;
      font = d3.functor(x);
      return cloud;
    };

    cloud.fontStyle = function (x) {
      if (!arguments.length) return fontStyle;
      fontStyle = d3.functor(x);
      return cloud;
    };

    cloud.fontWeight = function (x) {
      if (!arguments.length) return fontWeight;
      fontWeight = d3.functor(x);
      return cloud;
    };

    cloud.rotate = function (x) {
      if (!arguments.length) return rotate;
      rotate = d3.functor(x);
      return cloud;
    };

    cloud.text = function (x) {
      if (!arguments.length) return text;
      text = d3.functor(x);
      return cloud;
    };

    cloud.spiral = function (x) {
      if (!arguments.length) return spiral;
      spiral = spirals[x + ""] || x;
      return cloud;
    };

    cloud.fontSize = function (x) {
      if (!arguments.length) return fontSize;
      fontSize = d3.functor(x);
      return cloud;
    };

    cloud.padding = function (x) {
      if (!arguments.length) return padding;
      padding = d3.functor(x);
      return cloud;
    };

    return d3.rebind(cloud, event, "on");
  }

  function cloudText(d) {
    return d.text;
  }

  function cloudFont() {
    return "serif";
  }

  function cloudFontNormal() {
    return "normal";
  }

  function cloudFontSize(d) {
    return Math.sqrt(d.value);
  }

  function cloudRotate() {
    return (~~(Math.random() * 6) - 3) * 30;
  }

  function cloudPadding() {
    return 1;
  }

  // Fetches a monochrome sprite bitmap for the specified text.
  // Load in batches for speed.
  function cloudSprite(d, data, di) {
    if (d.sprite) return;
    c.clearRect(0, 0, (cw << 5) / ratio, ch / ratio);
    var x = 0,
      y = 0,
      maxh = 0,
      n = data.length;
    --di;
    while (++di < n) {
      d = data[di];
      c.save();
      c.font = d.style + " " + d.weight + " " + ~~((d.size + 1) / ratio) + "px " + d.font;
      var w = c.measureText(d.text + "m").width * ratio,
        h = d.size << 1;
      if (d.rotate) {
        var sr = Math.sin(d.rotate * cloudRadians),
          cr = Math.cos(d.rotate * cloudRadians),
          wcr = w * cr,
          wsr = w * sr,
          hcr = h * cr,
          hsr = h * sr;
        w = (Math.max(Math.abs(wcr + hsr), Math.abs(wcr - hsr)) + 0x1f) >> 5 << 5;
        h = ~~Math.max(Math.abs(wsr + hcr), Math.abs(wsr - hcr));
      } else {
        w = (w + 0x1f) >> 5 << 5;
      }
      if (h > maxh) maxh = h;
      if (x + w >= (cw << 5)) {
        x = 0;
        y += maxh;
        maxh = 0;
      }
      if (y + h >= ch) break;
      c.translate((x + (w >> 1)) / ratio, (y + (h >> 1)) / ratio);
      if (d.rotate) c.rotate(d.rotate * cloudRadians);
      c.fillText(d.text, 0, 0);
      if (d.padding) c.lineWidth = 2 * d.padding, c.strokeText(d.text, 0, 0);
      c.restore();
      d.width = w;
      d.height = h;
      d.xoff = x;
      d.yoff = y;
      d.x1 = w >> 1;
      d.y1 = h >> 1;
      d.x0 = -d.x1;
      d.y0 = -d.y1;
      d.hasText = true;
      x += w;
    }
    var pixels = c.getImageData(0, 0, (cw << 5) / ratio, ch / ratio).data,
      sprite = [];
    while (--di >= 0) {
      d = data[di];
      if (!d.hasText) continue;
      var w = d.width,
        w32 = w >> 5,
        h = d.y1 - d.y0;
      // Zero the buffer
      for (var i = 0; i < h * w32; i++) sprite[i] = 0;
      x = d.xoff;
      if (x == null) return;
      y = d.yoff;
      var seen = 0,
        seenRow = -1;
      for (var j = 0; j < h; j++) {
        for (var i = 0; i < w; i++) {
          var k = w32 * j + (i >> 5),
            m = pixels[((y + j) * (cw << 5) + (x + i)) << 2] ? 1 << (31 - (i % 32)) : 0;
          sprite[k] |= m;
          seen |= m;
        }
        if (seen) seenRow = j;
        else {
          d.y0++;
          h--;
          j--;
          y++;
        }
      }
      d.y1 = d.y0 + seenRow;
      d.sprite = sprite.slice(0, (d.y1 - d.y0) * w32);
    }
  }

  // Use mask-based collision detection.
  function cloudCollide(tag, board, sw) {
    sw >>= 5;
    var sprite = tag.sprite,
      w = tag.width >> 5,
      lx = tag.x - (w << 4),
      sx = lx & 0x7f,
      msx = 32 - sx,
      h = tag.y1 - tag.y0,
      x = (tag.y + tag.y0) * sw + (lx >> 5),
      last;
    for (var j = 0; j < h; j++) {
      last = 0;
      for (var i = 0; i <= w; i++) {
        if (((last << msx) | (i < w ? (last = sprite[j * w + i]) >>> sx : 0))
          & board[x + i]) return true;
      }
      x += sw;
    }
    return false;
  }

  function cloudBounds(bounds, d) {
    var b0 = bounds[0],
      b1 = bounds[1];
    if (d.x + d.x0 < b0.x) b0.x = d.x + d.x0;
    if (d.y + d.y0 < b0.y) b0.y = d.y + d.y0;
    if (d.x + d.x1 > b1.x) b1.x = d.x + d.x1;
    if (d.y + d.y1 > b1.y) b1.y = d.y + d.y1;
  }

  function collideRects(a, b) {
    return a.x + a.x1 > b[0].x && a.x + a.x0 < b[1].x && a.y + a.y1 > b[0].y && a.y + a.y0 < b[1].y;
  }

  function archimedeanSpiral(size) {
    var e = size[0] / size[1];
    return function (t) {
      return [e * (t *= .1) * Math.cos(t), t * Math.sin(t)];
    };
  }

  function rectangularSpiral(size) {
    var dy = 4,
      dx = dy * size[0] / size[1],
      x = 0,
      y = 0;
    return function (t) {
      var sign = t < 0 ? -1 : 1;
      // See triangular numbers: T_n = n * (n + 1) / 2.
      switch ((Math.sqrt(1 + 4 * sign * t) - sign) & 3) {
        case 0: x += dx; break;
        case 1: y += dy; break;
        case 2: x -= dx; break;
        default: y -= dy; break;
      }
      return [x, y];
    };
  }

  // TODO reuse arrays?
  function zeroArray(n) {
    var a = [],
      i = -1;
    while (++i < n) a[i] = 0;
    return a;
  }

  var cloudRadians = Math.PI / 180,
    cw = 1 << 11 >> 5,
    ch = 1 << 11,
    canvas,
    ratio = 1;

  if (typeof document !== "undefined") {
    canvas = document.createElement("canvas");
    canvas.width = 1;
    canvas.height = 1;
    ratio = Math.sqrt(canvas.getContext("2d").getImageData(0, 0, 1, 1).data.length >> 2);
    canvas.width = (cw << 5) / ratio;
    canvas.height = ch / ratio;
  } else {
    // node-canvas support
    var Canvas = require("canvas");
    canvas = new Canvas(cw << 5, ch);
  }

  var c = canvas.getContext("2d"),
    spirals = {
      archimedean: archimedeanSpiral,
      rectangular: rectangularSpiral
    };
  c.fillStyle = c.strokeStyle = "red";
  c.textAlign = "center";

  exports.cloud = cloud;
})(typeof exports === "undefined" ? d3.layout || (d3.layout = {}) : exports);

index.html

<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v4.min.js"></script>
   <script src="d3.layout.cloud.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
    
    
     

  </style>
</head>

<body>
   <div class="container centered">
    <div id="myGraph"></div>
  </div>

  <script>

  d3.json("testdata.json", data => {
      var chart = renderChart()
        .svgHeight(800)
        .container('#myGraph')
        .data({ values: data })
        .responsive(true)
        .run()
    })
       
    
    
    /*  

This code is based on following convention:

https://github.com/bumbeishvili/d3-coding-conventions

*/


function renderChart(params) {

  // exposed variables
  var attrs = {
    id: 'id' + Math.floor((Math.random() * 1000000)),
    svgWidth: 400,
    svgHeight: 400,
    marginTop: 5,
    marginBottom: 5,
    marginRight: 5,
    marginLeft: 5,
    container: 'body',
    responsive: false,
    data: null
  };

  /*############### IF EXISTS OVERWRITE ATTRIBUTES FROM PASSED PARAM  #######  */

  var attrKeys = Object.keys(attrs);
  attrKeys.forEach(function (key) {
    if (params && params[key]) {
      attrs[key] = params[key];
    }
  })

  //innerFunctions which will update visuals
  var updateData;

  //main chart object
  var main = function (selection) {
    selection.each(function scope() {
      //get container
      var container = d3.select(this);

      if (attrs.responsive) {
        setDimensions();
      }
      //calculated properties
      var calc = {}
      calc.chartLeftMargin = attrs.marginLeft;
      calc.chartTopMargin = attrs.marginTop;
      calc.chartWidth = attrs.svgWidth - attrs.marginRight - calc.chartLeftMargin;
      calc.chartHeight = attrs.svgHeight - attrs.marginBottom - calc.chartTopMargin;
      calc.centerX = calc.chartWidth / 2;
      calc.centerY = calc.chartHeight / 2;
      calc.minMax = d3.extent(attrs.data.values, d => d.value);

      //drawing containers


      //#####################   SCALES  ###################
      var scales = {};
      scales.fontSize = d3.scaleSqrt()
        .range([10, 100])
        .domain(calc.minMax);

      scales.color = d3.scaleOrdinal(d3.schemeCategory20b);


      //######################  LAYOUTS  #################
      var layouts = {};
      layouts.cloud = d3.layout.cloud()
        .timeInterval(Infinity)
        .size([calc.chartWidth, calc.chartHeight])
        .fontSize(function (d) {
          return scales.fontSize(+d.value);
        })
        .text(function (d) {
          return d.key;
        })
        .font('impact')
        .spiral('archimedean')
        .stop()
        .words(attrs.data.values)
        .on("end", function (bounds) {

          var index = bounds ? Math.min(
            calc.chartWidth / Math.abs(bounds[1].x - calc.centerX),
            calc.chartWidth / Math.abs(bounds[0].x - calc.centerX),
            calc.chartHeight / Math.abs(bounds[1].y - calc.centerY),
            calc.chartHeight / Math.abs(bounds[0].y - calc.centerY)) / 2 : 1;

         
          var texts = centerPoint.selectAll('.text')
            .data(attrs.data.values);

          var entered = texts.enter()
            .append('text')
            .attr('class', 'text')

          entered
            .attr("transform", function (d) {
              return "translate(0,0)rotate( 0)";
            })
            .style("font-size", function (d) {
              return 2 + "px";
            })
            .style("opacity", 1e-6)

          texts = texts.merge(entered);

          texts.attr("text-anchor", "middle")
            .text(function (d) {
              return d.text;
            })
            .style("fill", function (d) {
              return scales.color(d.text.toLowerCase());
            })

          texts.transition()
            .duration(1000)
            .attr("transform", function (d) {
              return "translate(" + [d.x, d.y] + ")rotate(" + d.rotate + ")";
            })
            .style("font-size", function (d) {
              return d.size + "px";
            })
            .style("opacity", 1)
            .style("font-family", function (d) {
              return d.font;
            })

        });



      //add svg
      var svg = patternify({ container: container, selector: 'svg-chart-container', elementTag: 'svg' })
      svg.attr('width', attrs.svgWidth)
        .attr('height', attrs.svgHeight)
      // .attr("viewBox", "0 0 " + attrs.svgWidth + " " + attrs.svgHeight)
      // .attr("preserveAspectRatio", "xMidYMid meet")

      //add container g element
      var chart = patternify({ container: svg, selector: 'chart', elementTag: 'g' })
      chart.attr('transform', 'translate(' + (calc.chartLeftMargin) + ',' + calc.chartTopMargin + ')');

      //add center point
      var centerPoint = patternify({ container: chart, selector: 'center-point', elementTag: 'g' })
        .attr('transform', `translate(${calc.centerX},${calc.centerY})`)


      layouts.cloud.start();


      // ##################   EVENT LISTENERS   ################
      d3.select(window).on('resize.' + attrs.id, function () {
        setDimensions();
        redraw();
      })

      // smoothly handle data updating
      updateData = function () {


      }




      //#########################################  UTIL FUNCS ##################################

      //enter exit update pattern principle
      function patternify(params) {
        var container = params.container;
        var selector = params.selector;
        var elementTag = params.elementTag;
        var data = params.data || [selector];
        if (!container) {
          debugger;
        }
        // pattern in action
        var selection = container.selectAll('.' + selector).data(data)
        selection.exit().remove();
        selection = selection.enter().append(elementTag).merge(selection)
        selection.attr('class', selector);
        return selection;
      }

      function setDimensions() {
        var width = container.node().getBoundingClientRect().width;
        main.svgWidth(width);
        // if width is too small, change attrs.fontSize too e.t.c
      }

      function redraw() {
        container.call(main);
      }

      function debug() {
        if (attrs.isDebug) {
          //stringify func
          var stringified = scope + "";

          // parse variable names
          var groupVariables = stringified
            //match var x-xx= {};
            .match(/var\s+([\w])+\s*=\s*{\s*}/gi)
            //match xxx
            .map(d => d.match(/\s+\w*/gi).filter(s => s.trim()))
            //get xxx
            .map(v => v[0].trim())

          //assign local variables to the scope
          groupVariables.forEach(v => {
            main['P_' + v] = eval(v)
          })
        }
      }

      debug();
    });
  };

  //dinamic functions
  Object.keys(attrs).forEach(key => {
    // Attach variables to main function
    return main[key] = function (_) {
      var string = `attrs['${key}'] = _`;
      if (!arguments.length) { return eval(` attrs['${key}'];`); }
      eval(string);
      return main;
    };
  });

  //set attrs as property
  main.attrs = attrs;

  //debugging visuals
  main.debug = function (isDebug) {
    attrs.isDebug = isDebug;
    if (isDebug) {
      if (!window.charts) window.charts = [];
      window.charts.push(main);
    }
    return main;
  }

  //exposed update functions
  main.data = function (value) {
    if (!arguments.length) return attrs.data;
    attrs.data = value;
    if (typeof updateData === 'function') {
      updateData();
    }
    return main;
  }

  // run  visual
  main.run = function () {
    d3.selectAll(attrs.container).call(main);
    return main;
  }

  return main;
}



// missing from d3.v4 so we just copying from v3
// Copies a variable number of methods from source to target.
d3.rebind = function (target, source) {
  var i = 1, n = arguments.length, method;
  while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
  return target;
};

// Method is assumed to be a standard D3 getter-setter:
// If passed with no arguments, gets the value.
// If passed with arguments, sets the value and returns the target.
function d3_rebind(target, source, method) {
  return function () {
    var value = method.apply(source, arguments);
    return value === source ? target : value;
  };
}

function d3_functor(v) {
  return typeof v === "function" ? v : function () { return v; };
}

d3.functor = d3_functor;

  </script>
</body>

testdata.json

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