geraldo/.block

## .block
license: mit

## README.md

      
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              README.md
            
          
    Built with blockbuilder.org
see https://stackoverflow.com/questions/49534470/d3-js-v5-promise-all-replaced-d3-queue
forked from geraldo's block: geojson

  
## index.html
<!DOCTYPE html>
<head>
  <meta charset="utf-8">
  <script src="https://d3js.org/d3.v5.min.js"></script>
  <style>
    body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
  </style>
</head>

<body>
  <script>
    var svg = d3.select("body").append("svg")
      .attr("width", 960)
      .attr("height", 500);

    var files = ["mines.json", "mines_centroid.json"];

    var promises = [];

    files.forEach(function (url) {
        promises.push(d3.json(url));
    });

    Promise.all(promises).then(function (val) {
      drawMap(val[0], val[1]);
    });

    var projection = d3.geoMercator();
		var geoPath = d3.geoPath()
    	.projection(projection);

    var radius = d3.scaleLog();

    function drawMap(mines, centroid) {
        console.log("drawMap", mines.features, centroid.features);

        projection.center([22.9696994071445, 40.8135651828386]);
        projection.fitSize([960, 500], mines);
        svg.append("g")
            .selectAll("path")
            .data(mines.features)
            .enter()
            .append("path")
            .attr("d", geoPath)
            .attr("stroke", "blue")
            .attr("fill", "white")
            .attr("class", "mines");

        addCentroid(centroid);
    }

    function addCentroid(centroid) {
      console.log(centroid);

      var points = svg.selectAll("circle")
          .data(centroid.features, function (d) {
              return d;
          })
          .enter().append("circle")
          .attr('r', function (d) {
              return radius * 1.5
          })
          .attr('cx', function (d) {
              return projection(d.geometry.coordinates)[0]
          })
          .attr('cy', function (d) {
              return projection(d.geometry.coordinates)[1]
          })
          .attr("class", "centroid")
          .attr("id", function (d) {
              return d.properties.ID
          })
    }
  </script>
</body>

## mines.json

      
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              mines.json
            
          
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## mines_centroid.json

      
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              mines_centroid.json
            
          
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	<!DOCTYPE html>
	<head>
	<meta charset="utf-8">
	<script src="https://d3js.org/d3.v5.min.js"></script>
	<style>
	body { margin:0;position:fixed;top:0;right:0;bottom:0;left:0; }
	</style>
	</head>

	<body>
	<script>
	var svg = d3.select("body").append("svg")
	.attr("width", 960)
	.attr("height", 500);

	var files = ["mines.json", "mines_centroid.json"];

	var promises = [];

	files.forEach(function (url) {
	promises.push(d3.json(url));
	});

	Promise.all(promises).then(function (val) {
	drawMap(val[0], val[1]);
	});

	var projection = d3.geoMercator();
	var geoPath = d3.geoPath()
	.projection(projection);

	var radius = d3.scaleLog();

	function drawMap(mines, centroid) {
	console.log("drawMap", mines.features, centroid.features);

	projection.center([22.9696994071445, 40.8135651828386]);
	projection.fitSize([960, 500], mines);
	svg.append("g")
	.selectAll("path")
	.data(mines.features)
	.enter()
	.append("path")
	.attr("d", geoPath)
	.attr("stroke", "blue")
	.attr("fill", "white")
	.attr("class", "mines");

	addCentroid(centroid);
	}

	function addCentroid(centroid) {
	console.log(centroid);

	var points = svg.selectAll("circle")
	.data(centroid.features, function (d) {
	return d;
	})
	.enter().append("circle")
	.attr('r', function (d) {
	return radius * 1.5
	})
	.attr('cx', function (d) {
	return projection(d.geometry.coordinates)[0]
	})
	.attr('cy', function (d) {
	return projection(d.geometry.coordinates)[1]
	})
	.attr("class", "centroid")
	.attr("id", function (d) {
	return d.properties.ID
	})
	}
	</script>
	</body>