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February 13, 2019 01:00
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| license: mit |
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| <!DOCTYPE html> | |
| <meta charset="utf-8"> | |
| <script src="https://d3js.org/d3.v4.min.js"></script> | |
| <script src="https://unpkg.com/d3-3d/build/d3-3d.min.js"></script> | |
| <body> | |
| <svg width="960" height="500"></svg> | |
| <style type="text/css"> | |
| button { | |
| position: absolute; | |
| right: 10px; | |
| top: 10px; | |
| } | |
| </style> | |
| <button>update</button> | |
| <script> | |
| var origin = [480, 300], j = 10, scale = 20, scatter = [], yLine = [], xGrid = [], beta = 0, alpha = 0, key = function(d){ return d.id; }, startAngle = Math.PI/4; | |
| var svg = d3.select('svg').call(d3.drag().on('drag', dragged).on('start', dragStart).on('end', dragEnd)).append('g'); | |
| var color = d3.scaleOrdinal(d3.schemeCategory20); | |
| var mx, my, mouseX, mouseY; | |
| var grid3d = d3._3d() | |
| .shape('GRID', 20) | |
| .origin(origin) | |
| .rotateY( startAngle) | |
| .rotateX(-startAngle) | |
| .scale(scale); | |
| var point3d = d3._3d() | |
| .x(function(d){ return d.x; }) | |
| .y(function(d){ return d.y; }) | |
| .z(function(d){ return d.z; }) | |
| .origin(origin) | |
| .rotateY( startAngle) | |
| .rotateX(-startAngle) | |
| .scale(scale); | |
| var yScale3d = d3._3d() | |
| .shape('LINE_STRIP') | |
| .origin(origin) | |
| .rotateY( startAngle) | |
| .rotateX(-startAngle) | |
| .scale(scale); | |
| function processData(data, tt){ | |
| /* ----------- GRID ----------- */ | |
| var xGrid = svg.selectAll('path.grid').data(data[0], key); | |
| xGrid | |
| .enter() | |
| .append('path') | |
| .attr('class', '_3d grid') | |
| .merge(xGrid) | |
| .attr('stroke', 'black') | |
| .attr('stroke-width', 0.3) | |
| .attr('fill', function(d){ return d.ccw ? 'lightgrey' : '#717171'; }) | |
| .attr('fill-opacity', 0.9) | |
| .attr('d', grid3d.draw); | |
| xGrid.exit().remove(); | |
| /* ----------- POINTS ----------- */ | |
| var points = svg.selectAll('circle').data(data[1], key); | |
| points | |
| .enter() | |
| .append('circle') | |
| .attr('class', '_3d') | |
| .attr('opacity', 0) | |
| .attr('cx', posPointX) | |
| .attr('cy', posPointY) | |
| .merge(points) | |
| .transition().duration(tt) | |
| .attr('r', 3) | |
| .attr('stroke', function(d){ return d3.color(color(d.id)).darker(3); }) | |
| .attr('fill', function(d){ return color(d.id); }) | |
| .attr('opacity', 1) | |
| .attr('cx', posPointX) | |
| .attr('cy', posPointY); | |
| points.exit().remove(); | |
| /* ----------- y-Scale ----------- */ | |
| var yScale = svg.selectAll('path.yScale').data(data[2]); | |
| yScale | |
| .enter() | |
| .append('path') | |
| .attr('class', '_3d yScale') | |
| .merge(yScale) | |
| .attr('stroke', 'black') | |
| .attr('stroke-width', .5) | |
| .attr('d', yScale3d.draw); | |
| yScale.exit().remove(); | |
| /* ----------- y-Scale Text ----------- */ | |
| var yText = svg.selectAll('text.yText').data(data[2][0]); | |
| yText | |
| .enter() | |
| .append('text') | |
| .attr('class', '_3d yText') | |
| .attr('dx', '.3em') | |
| .merge(yText) | |
| .each(function(d){ | |
| d.centroid = {x: d.rotated.x, y: d.rotated.y, z: d.rotated.z}; | |
| }) | |
| .attr('x', function(d){ return d.projected.x; }) | |
| .attr('y', function(d){ return d.projected.y; }) | |
| .text(function(d){ return d[1] <= 0 ? d[1] : ''; }); | |
| yText.exit().remove(); | |
| d3.selectAll('._3d').sort(d3._3d().sort); | |
| } | |
| function posPointX(d){ | |
| return d.projected.x; | |
| } | |
| function posPointY(d){ | |
| return d.projected.y; | |
| } | |
| function init(){ | |
| var cnt = 0; | |
| xGrid = [], scatter = [], yLine = []; | |
| for(var z = -j; z < j; z++){ | |
| for(var x = -j; x < j; x++){ | |
| xGrid.push([x, 1, z]); | |
| scatter.push({x: x, y: d3.randomUniform(0, -10)(), z: z, id: 'point_' + cnt++}); | |
| } | |
| } | |
| d3.range(-1, 11, 1).forEach(function(d){ yLine.push([-j, -d, -j]); }); | |
| var data = [ | |
| grid3d(xGrid), | |
| point3d(scatter), | |
| yScale3d([yLine]) | |
| ]; | |
| processData(data, 1000); | |
| } | |
| function dragStart(){ | |
| mx = d3.event.x; | |
| my = d3.event.y; | |
| } | |
| function dragged(){ | |
| mouseX = mouseX || 0; | |
| mouseY = mouseY || 0; | |
| beta = (d3.event.x - mx + mouseX) * Math.PI / 230 ; | |
| alpha = (d3.event.y - my + mouseY) * Math.PI / 230 * (-1); | |
| var data = [ | |
| grid3d.rotateY(beta + startAngle).rotateX(alpha - startAngle)(xGrid), | |
| point3d.rotateY(beta + startAngle).rotateX(alpha - startAngle)(scatter), | |
| yScale3d.rotateY(beta + startAngle).rotateX(alpha - startAngle)([yLine]), | |
| ]; | |
| processData(data, 0); | |
| } | |
| function dragEnd(){ | |
| mouseX = d3.event.x - mx + mouseX; | |
| mouseY = d3.event.y - my + mouseY; | |
| } | |
| d3.selectAll('button').on('click', init); | |
| init(); | |
| </script> | |
| </body> |
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