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December 5, 2017 07:34
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Inner Boundary Example
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| // d3.tip | |
| // Copyright (c) 2013 Justin Palmer | |
| // | |
| // Tooltips for d3.js SVG visualizations | |
| // Public - contructs a new tooltip | |
| // | |
| // Returns a tip | |
| d3.tip = function() { | |
| var direction = d3_tip_direction, | |
| offset = d3_tip_offset, | |
| html = d3_tip_html, | |
| node = initNode(), | |
| svg = null, | |
| point = null, | |
| target = null | |
| function tip(vis) { | |
| svg = getSVGNode(vis) | |
| point = svg.createSVGPoint() | |
| document.body.appendChild(node) | |
| } | |
| // Public - show the tooltip on the screen | |
| // | |
| // Returns a tip | |
| tip.show = function() { | |
| var args = Array.prototype.slice.call(arguments) | |
| if(args[args.length - 1] instanceof SVGElement) target = args.pop() | |
| var content = html.apply(this, args), | |
| poffset = offset.apply(this, args), | |
| dir = direction.apply(this, args), | |
| nodel = d3.select(node), i = 0, | |
| coords | |
| nodel.html(content) | |
| .style({ opacity: 1, 'pointer-events': 'all' }) | |
| while(i--) nodel.classed(directions[i], false) | |
| coords = direction_callbacks.get(dir).apply(this) | |
| nodel.classed(dir, true).style({ | |
| top: (coords.top + poffset[0]) + 'px', | |
| left: (coords.left + poffset[1]) + 'px' | |
| }) | |
| return tip | |
| } | |
| // Public - hide the tooltip | |
| // | |
| // Returns a tip | |
| tip.hide = function() { | |
| nodel = d3.select(node) | |
| nodel.style({ opacity: 0, 'pointer-events': 'none' }) | |
| return tip | |
| } | |
| // Public: Proxy attr calls to the d3 tip container. Sets or gets attribute value. | |
| // | |
| // n - name of the attribute | |
| // v - value of the attribute | |
| // | |
| // Returns tip or attribute value | |
| tip.attr = function(n, v) { | |
| if (arguments.length < 2 && typeof n === 'string') { | |
| return d3.select(node).attr(n) | |
| } else { | |
| var args = Array.prototype.slice.call(arguments) | |
| d3.selection.prototype.attr.apply(d3.select(node), args) | |
| } | |
| return tip | |
| } | |
| // Public: Proxy style calls to the d3 tip container. Sets or gets a style value. | |
| // | |
| // n - name of the property | |
| // v - value of the property | |
| // | |
| // Returns tip or style property value | |
| tip.style = function(n, v) { | |
| if (arguments.length < 2 && typeof n === 'string') { | |
| return d3.select(node).style(n) | |
| } else { | |
| var args = Array.prototype.slice.call(arguments) | |
| d3.selection.prototype.style.apply(d3.select(node), args) | |
| } | |
| return tip | |
| } | |
| // Public: Set or get the direction of the tooltip | |
| // | |
| // v - One of n(north), s(south), e(east), or w(west), nw(northwest), | |
| // sw(southwest), ne(northeast) or se(southeast) | |
| // | |
| // Returns tip or direction | |
| tip.direction = function(v) { | |
| if (!arguments.length) return direction | |
| direction = v == null ? v : d3.functor(v) | |
| return tip | |
| } | |
| // Public: Sets or gets the offset of the tip | |
| // | |
| // v - Array of [x, y] offset | |
| // | |
| // Returns offset or | |
| tip.offset = function(v) { | |
| if (!arguments.length) return offset | |
| offset = v == null ? v : d3.functor(v) | |
| return tip | |
| } | |
| // Public: sets or gets the html value of the tooltip | |
| // | |
| // v - String value of the tip | |
| // | |
| // Returns html value or tip | |
| tip.html = function(v) { | |
| if (!arguments.length) return html | |
| html = v == null ? v : d3.functor(v) | |
| return tip | |
| } | |
| function d3_tip_direction() { return 'n' } | |
| function d3_tip_offset() { return [0, 0] } | |
| function d3_tip_html() { return ' ' } | |
| var direction_callbacks = d3.map({ | |
| n: direction_n, | |
| s: direction_s, | |
| e: direction_e, | |
| w: direction_w, | |
| nw: direction_nw, | |
| ne: direction_ne, | |
| sw: direction_sw, | |
| se: direction_se | |
| }), | |
| directions = direction_callbacks.keys() | |
| function direction_n() { | |
| var bbox = getScreenBBox() | |
| return { | |
| top: bbox.n.y - node.offsetHeight, | |
| left: bbox.n.x - node.offsetWidth / 2 | |
| } | |
| } | |
| function direction_s() { | |
| var bbox = getScreenBBox() | |
| return { | |
| top: bbox.s.y, | |
| left: bbox.s.x - node.offsetWidth / 2 | |
| } | |
| } | |
| function direction_e() { | |
| var bbox = getScreenBBox() | |
| return { | |
| top: bbox.e.y - node.offsetHeight / 2, | |
| left: bbox.e.x | |
| } | |
| } | |
| function direction_w() { | |
| var bbox = getScreenBBox() | |
| return { | |
| top: bbox.w.y - node.offsetHeight / 2, | |
| left: bbox.w.x - node.offsetWidth | |
| } | |
| } | |
| function direction_nw() { | |
| var bbox = getScreenBBox() | |
| return { | |
| top: bbox.nw.y - node.offsetHeight, | |
| left: bbox.nw.x - node.offsetWidth | |
| } | |
| } | |
| function direction_ne() { | |
| var bbox = getScreenBBox() | |
| return { | |
| top: bbox.ne.y - node.offsetHeight, | |
| left: bbox.ne.x | |
| } | |
| } | |
| function direction_sw() { | |
| var bbox = getScreenBBox() | |
| return { | |
| top: bbox.sw.y, | |
| left: bbox.sw.x - node.offsetWidth | |
| } | |
| } | |
| function direction_se() { | |
| var bbox = getScreenBBox() | |
| return { | |
| top: bbox.se.y, | |
| left: bbox.e.x | |
| } | |
| } | |
| function initNode() { | |
| var node = d3.select(document.createElement('div')) | |
| node.style({ | |
| position: 'absolute', | |
| opacity: 0, | |
| pointerEvents: 'none', | |
| boxSizing: 'border-box' | |
| }) | |
| return node.node() | |
| } | |
| function getSVGNode(el) { | |
| el = el.node() | |
| if(el.tagName.toLowerCase() == 'svg') | |
| return el | |
| return el.ownerSVGElement | |
| } | |
| // Private - gets the screen coordinates of a shape | |
| // | |
| // Given a shape on the screen, will return an SVGPoint for the directions | |
| // n(north), s(south), e(east), w(west), ne(northeast), se(southeast), nw(northwest), | |
| // sw(southwest). | |
| // | |
| // +-+-+ | |
| // | | | |
| // + + | |
| // | | | |
| // +-+-+ | |
| // | |
| // Returns an Object {n, s, e, w, nw, sw, ne, se} | |
| function getScreenBBox() { | |
| var targetel = target || d3.event.target, | |
| bbox = {}, | |
| matrix = targetel.getScreenCTM(), | |
| tbbox = targetel.getBBox(), | |
| width = tbbox.width, | |
| height = tbbox.height, | |
| x = tbbox.x, | |
| y = tbbox.y, | |
| scrollTop = document.documentElement.scrollTop || document.body.scrollTop, | |
| scrollLeft = document.documentElement.scrollLeft || document.body.scrollLeft | |
| point.x = x + scrollLeft | |
| point.y = y + scrollTop | |
| bbox.nw = point.matrixTransform(matrix) | |
| point.x += width | |
| bbox.ne = point.matrixTransform(matrix) | |
| point.y += height | |
| bbox.se = point.matrixTransform(matrix) | |
| point.x -= width | |
| bbox.sw = point.matrixTransform(matrix) | |
| point.y -= height / 2 | |
| bbox.w = point.matrixTransform(matrix) | |
| point.x += width | |
| bbox.e = point.matrixTransform(matrix) | |
| point.x -= width / 2 | |
| point.y -= height / 2 | |
| bbox.n = point.matrixTransform(matrix) | |
| point.y += height | |
| bbox.s = point.matrixTransform(matrix) | |
| return bbox | |
| } | |
| return tip | |
| }; |
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| <html><head><meta charset="utf-8"> | |
| <title>How to make custom inner boundaries?</title> | |
| <style> | |
| .background { | |
| fill: none; | |
| } | |
| #states { | |
| fill: #aaa; | |
| } | |
| #states .active { | |
| display:none; | |
| } | |
| #states .active2 { | |
| display:none; | |
| } | |
| #state-borders { | |
| fill: none; | |
| stroke: #fff; | |
| stroke-width: 1.5px; | |
| stroke-linejoin: round; | |
| stroke-linecap: round; | |
| pointer-events: none; | |
| } | |
| .focus_county { | |
| fill: #aaa; | |
| cursor: crosshair; | |
| } | |
| .county-boundary:hover { | |
| fill:orange; | |
| } | |
| circle.selected { | |
| fill:orange; | |
| } | |
| /* | |
| .state:hover { | |
| fill-opacity:0; | |
| } | |
| */ | |
| .d3-tip { | |
| line-height: 1; | |
| font-weight: bold; | |
| font-family: Play; | |
| font-size: 14px; | |
| padding: 12px; | |
| background: rgba(0, 0, 0, 0.6); | |
| color: #fff; | |
| position:relative; | |
| border-radius: .5px; | |
| pointer-events: none; | |
| } | |
| strong { | |
| font-weight: bold; | |
| } | |
| em { | |
| font-style: italic; | |
| } | |
| </style> | |
| </head><body> | |
| <script type="text/javascript" src="https://d3js.org/d3.v3.min.js"></script> | |
| <script src="d3tip.js"></script> | |
| <script src="topojson.v1.min.js"></script> | |
| <script> | |
| var width = 960, | |
| height = 500, | |
| width2 = 960, | |
| height2 = 600, | |
| centered; | |
| var user_click = false; | |
| var margins = { left: 0, top: 0, right: 0, bottom: 0 }; | |
| var projection = d3.geo.albersUsa() | |
| .scale(1070) | |
| .translate([width / 2, height / 2]); | |
| var path = d3.geo.path() | |
| .projection(projection); | |
| var svg = d3.select("body").append("svg") | |
| .attr("width", width) | |
| .attr('class','main_svg') | |
| .attr("height", height+margins.top); | |
| var g = svg.append("g"); | |
| var countiesG = g.append("g") | |
| .attr("id", "counties"); | |
| var statesG = g.append("g") | |
| .attr("id","states") | |
| d3.json("us_ap.json", function(error, us) { | |
| var tip = d3.tip() | |
| .attr('class', 'd3-tip') | |
| .offset([0, 0]) | |
| .html(function(d) { | |
| html = "ID: "; | |
| html += "<span style='color:white'>" + d.id + "</span>"; | |
| return html; | |
| }) | |
| svg.call(tip); | |
| countiesG | |
| .selectAll("path") | |
| .data(topojson.feature(us, us.objects.counties).features) | |
| .enter().append("path") | |
| .attr("d", path) | |
| .attr("class", "county-boundary") | |
| .attr("stroke-width",'.5px') | |
| .attr('stroke','#fff') | |
| .attr('fill','#aaa') | |
| .on("mouseover.tip", tip.show) | |
| .on("mouseout", tip.hide); | |
| statesG | |
| .selectAll("path") | |
| .data(topojson.feature(us, us.objects.states).features) | |
| .enter().append("path") | |
| .attr("d", path) | |
| .attr("class", "state") | |
| .on("mouseover", inner_boundaries); | |
| function inner_boundaries(d) { | |
| g.selectAll("path") | |
| .classed("active", centered && function(d) { return d === centered; }) | |
| d3.select(this).classed('active',true).each(function() { | |
| this.parentNode.appendChild(this); | |
| }); | |
| } | |
| g.append("path") | |
| .datum(topojson.mesh(us, us.objects.states, function(a, b) { return a !== b; })) | |
| .attr("id", "state-borders") | |
| .attr("d", path); | |
| }); | |
| </script> | |
| </body> | |
| </html> |
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| // https://github.com/topojson/topojson-client Version 1.8.0. Copyright 2016 Mike Bostock. | |
| !function(n,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t(n.topojson=n.topojson||{})}(this,function(n){"use strict";function t(n){if(!n)return h;var t,r,e=n.scale[0],o=n.scale[1],i=n.translate[0],u=n.translate[1];return function(n,f){f||(t=r=0),n[0]=(t+=n[0])*e+i,n[1]=(r+=n[1])*o+u}}function r(n){if(!n)return h;var t,r,e=n.scale[0],o=n.scale[1],i=n.translate[0],u=n.translate[1];return function(n,f){f||(t=r=0);var c=Math.round((n[0]-i)/e),a=Math.round((n[1]-u)/o);n[0]=c-t,n[1]=a-r,t=c,r=a}}function e(n,t){for(var r,e=n.length,o=e-t;o<--e;)r=n[o],n[o++]=n[e],n[e]=r}function o(n,t){for(var r=0,e=n.length;r<e;){var o=r+e>>>1;n[o]<t?r=o+1:e=o}return r}function i(n,t){var r={type:"Feature",id:t.id,properties:t.properties||{},geometry:u(n,t)};return null==t.id&&delete r.id,r}function u(n,r){function o(n,t){t.length&&t.pop();for(var 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t=[],r=[n];for(n._=1,f.push(t);n=r.pop();)t.push(n),n.forEach(function(n){n.forEach(function(n){o[n<0?~n:n].forEach(function(n){n._||(n._=1,r.push(n))})})})}}),i.forEach(function(n){delete n._}),{type:"MultiPolygon",arcs:f.map(function(t){var r,i=[];if(t.forEach(function(n){n.forEach(function(n){n.forEach(function(n){o[n<0?~n:n].length<2&&i.push(n)})})}),i=v(n,i),(r=i.length)>1)for(var u,f,c=1,a=e(i[0]);c<r;++c)(u=e(i[c]))>a&&(f=i[0],i[0]=i[c],i[c]=f,a=u);return i})}}function l(n,t){return n[1][2]-t[1][2]}var h=function(){},p=function(n,t){return"GeometryCollection"===t.type?{type:"FeatureCollection",features:t.geometries.map(function(t){return i(n,t)})}:i(n,t)},v=function(n,t){function r(t){var r,e=n.arcs[t<0?~t:t],o=e[0];return n.transform?(r=[0,0],e.forEach(function(n){r[0]+=n[0],r[1]+=n[1]})):r=e[e.length-1],t<0?[r,o]:[o,r]}function e(n,t){for(var r in n){var e=n[r];delete t[e.start],delete e.start,delete e.end,e.forEach(function(n){o[n<0?~n:n]=1}),f.push(e)}}var 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