Created
January 4, 2020 11:12
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Simple Flight Animation
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <style type="text/css"> | |
| </style> | |
| <body> | |
| </body> | |
| <script src="https://unpkg.com/topojson@3.0.2/dist/topojson.js"></script> | |
| <script src="https://d3js.org/d3.v5.min.js"></script> | |
| <script> | |
| var margins = {top:20, bottom:300, left:30, right:100}; | |
| var height = 600; | |
| var width = 900; | |
| var totalWidth = width+margins.left+margins.right; | |
| var totalHeight = height+margins.top+margins.bottom; | |
| var projection = d3.geoMercator().rotate([-80,0]).scale(500).translate([-200,500]); | |
| var svg = d3.select('body') | |
| .append('svg') | |
| .attr('width', totalWidth) | |
| .attr('height', totalHeight); | |
| var path = d3.geoPath().projection(projection); | |
| /* | |
| var svg = d3.select("body") | |
| .append('svg') | |
| .attr('width', 310) | |
| .attr('height', 150); | |
| */ | |
| var topoData = d3.json("world-continents.json"); | |
| var graphGroup = svg.append('g') | |
| .attr('transform', "translate("+margins.left+","+margins.top+")"); | |
| svg.append('rect') | |
| .attr('width', width*2) | |
| .attr('height',height*2) | |
| .attr('x',0) | |
| .attr('y',0) | |
| .style('fill',"steelblue"); | |
| topoData.then(function(mapData) { | |
| var map = svg.append('g').attr('class', 'boundary'); | |
| var continents = topojson.feature(mapData, mapData.objects.continent).features; | |
| var world = map.selectAll('path').data(continents); | |
| //var continent = map.selectAll('.continent').data(continents); | |
| //var continents = topojson.feature(mapData, mapData.objects.continent).features; | |
| world.enter() | |
| .append('path') | |
| .attr('d', path) | |
| .style('fill','lightgreen'); | |
| var plane = svg.append("path") | |
| .attr("class", "plane") | |
| .style('fill','#fff') | |
| .attr("d", "m25.21488,3.93375c-0.44355,0 -0.84275,0.18332 -1.17933,0.51592c-0.33397,0.33267 -0.61055,0.80884 -0.84275,1.40377c-0.45922,1.18911 -0.74362,2.85964 -0.89755,4.86085c-0.15655,1.99729 -0.18263,4.32223 -0.11741,6.81118c-5.51835,2.26427 -16.7116,6.93857 -17.60916,7.98223c-1.19759,1.38937 -0.81143,2.98095 -0.32874,4.03902l18.39971,-3.74549c0.38616,4.88048 0.94192,9.7138 1.42461,13.50099c-1.80032,0.52703 -5.1609,1.56679 -5.85232,2.21255c-0.95496,0.88711 -0.95496,3.75718 -0.95496,3.75718l7.53,-0.61316c0.17743,1.23545 0.28701,1.95767 0.28701,1.95767l0.01304,0.06557l0.06002,0l0.13829,0l0.0574,0l0.01043,-0.06557c0,0 0.11218,-0.72222 0.28961,-1.95767l7.53164,0.61316c0,0 0,-2.87006 -0.95496,-3.75718c-0.69044,-0.64577 -4.05363,-1.68813 -5.85133,-2.21516c0.48009,-3.77545 1.03061,-8.58921 1.42198,-13.45404l18.18207,3.70115c0.48009,-1.05806 0.86881,-2.64965 -0.32617,-4.03902c-0.88969,-1.03062 -11.81147,-5.60054 -17.39409,-7.89352c0.06524,-2.52287 0.04175,-4.88024 -0.1148,-6.89989l0,-0.00476c-0.15655,-1.99844 -0.44094,-3.6683 -0.90277,-4.8561c-0.22699,-0.59493 -0.50356,-1.07111 -0.83754,-1.40377c-0.33658,-0.3326 -0.73578,-0.51592 -1.18194,-0.51592l0,0l-0.00001,0l0,0z"); | |
| //start | |
| var coordinatesSH = projection([121.4737,31.2304]); | |
| var coordinatesHN = projection([-157.8583,21.3069]); | |
| var coordinatesTK = projection([139.7690,35.3804]); | |
| var routeOne = svg.append('path') | |
| .datum({type: "LineString", coordinates: [coordinatesSH,coordinatesTK]}) | |
| .attr('class', 'route') | |
| .attr('d', path); | |
| function transition(plane, route) { | |
| var l = route.node().getTotalLength(); | |
| plane.transition() | |
| .duration(2000) | |
| .attrTween('transform', delta(route.node())); | |
| } | |
| function delta(path) { | |
| var l = path.getTotalLength(); | |
| return function(i) { | |
| return function(t) { | |
| var p = path.getPointAtLength(t*l); | |
| return "translate(" +p.x+","+p.y+ ")"; | |
| } | |
| } | |
| } | |
| transition(plane, routeOne); | |
| svg.append("circle") | |
| .attr("cx", coordinatesSH[0]) | |
| .attr("cy", coordinatesSH[1]) | |
| .attr("r", 3) | |
| .style("fill", "black"); | |
| svg.append("circle") | |
| .attr("cx", coordinatesHN[0]) | |
| .attr("cy", coordinatesHN[1]) | |
| .attr("r", 3) | |
| .style("fill", "black"); | |
| svg.append("circle") | |
| .attr("cx", coordinatesTK[0]) | |
| .attr("cy", coordinatesTK[1]) | |
| .attr("r", 3) | |
| .style("fill", "black"); | |
| }); | |
| </script> |
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