element provides an accessible, short-text description of any SVG container element or graphics element. //Text in a <title> element is not rendered as part of the graphic, but browsers usually display it as a tooltip. link.append("title") .text(d => d.type); const edgepaths = svg.selectAll(".edgepath") //make path go along with the link provide position for link labels .data(dataset.links) .enter() .append('path') .attr('class', 'edgepath') .attr('fill-opacity', 0) .attr('stroke-opacity', 0) .attr('id', function (d, i) {return 'edgepath' + i}) .style("pointer-events", "none"); const edgelabels = svg.selectAll(".edgelabel") .data(dataset.links) .enter() .append('text') .style("pointer-events", "none") .attr('class', 'edgelabel') .attr('id', function (d, i) {return 'edgelabel' + i}) .attr('font-size', 10) .attr('fill', '#aaa'); edgelabels.append('textPath') //To render text along the shape of a <path>, enclose the text in a <textPath> element that has an href attribute with a reference to the <path> element. .attr('xlink:href', function (d, i) {return '#edgepath' + i}) .style("text-anchor", "middle") .style("pointer-events", "none") .attr("startOffset", "50%") .text(d => d.type); // Initialize the nodes const node = svg.selectAll(".nodes") .data(dataset.nodes) .enter() .append("g") .attr("class", "nodes") .call(d3.drag() //sets the event listener for the specified typenames and returns the drag behavior. .on("start", dragstarted) //start - after a new pointer becomes active (on mousedown or touchstart). .on("drag", dragged) //drag - after an active pointer moves (on mousemove or touchmove). //.on("end", dragended) //end - after an active pointer becomes inactive (on mouseup, touchend or touchcancel). ); node.append("circle") .attr("r", d=> 5 + d.importance/2 ) .style("stroke", "grey") .style("stroke-opacity",0.3) .style("stroke-width", d => d.importance/10) .style("fill", d => colorScale(d.group)) node.append("title") .text(d => d.id + "\n" + d.label + " \n\n- " + d.group); node.append("text") .attr("dy", 4) .attr("dx", -15) .text(d => d.id); //Listen for tick events to render the nodes as they update in your Canvas or SVG. simulation .nodes(dataset.nodes) .on("tick", ticked); simulation.force("link") .links(dataset.links); // This function is run at each iteration of the force algorithm, updating the nodes position (the nodes data array is directly manipulated). function ticked() { link.attr("x1", d => d.source.x) .attr("y1", d => d.source.y) .attr("x2", d => d.target.x) .attr("y2", d => d.target.y); node.attr("transform", d => `translate(${d.x},${d.y})`); edgepaths.attr('d', d => 'M ' + d.source.x + ' ' + d.source.y + ' L ' + d.target.x + ' ' + d.target.y); } //When the drag gesture starts, the targeted node is fixed to the pointer //The simulation is temporarily “heated” during interaction by setting the target alpha to a non-zero value. function dragstarted(d) { if (!d3.event.active) simulation.alphaTarget(0.3).restart();//sets the current target alpha to the specified number in the range [0,1]. d.fy = d.y; //fx - the node’s fixed x-position. Original is null. d.fx = d.x; //fy - the node’s fixed y-position. Original is null. } //When the drag gesture starts, the targeted node is fixed to the pointer function dragged(d) { d.fx = d3.event.x; d.fy = d3.event.y; } //drawing the legend const legend_g = svg.selectAll(".legend") .data(colorScale.domain()) .enter().append("g") .attr("transform", (d, i) => `translate(${width},${i * 20})`); //legend_g.append("circle") // .attr("cx", 0) // .attr("cy", 0) // .attr("r", 5) //.attr("fill", colorScale); //legend_g.append("text") // .attr("x", 10) // .attr("y", 5) // .text(d => d); return div }</article></body></html>

myChart={ const div = html`

`; const svg = d3.select(div) .append("svg") .attr("width", width + margin.left + margin.right) .attr("height", height + margin.top + margin.bottom) .append("g") .attr("transform", `translate(${margin.left},${margin.top})`); //appending little triangles, path object, as arrowhead //The element is used to store graphical objects that will be used at a later time //The element defines the graphic that is to be used for drawing arrowheads or polymarkers on a given , , or element. svg.append('defs').append('marker') .attr("id",'arrowhead') .attr('viewBox','-0 -5 10 10') //the bound of the SVG viewport for the current SVG fragment. defines a coordinate system 10 wide and 10 high starting on (0,-5) .attr('refX',23) // x coordinate for the reference point of the marker. If circle is bigger, this need to be bigger. .attr('refY',0) .attr('orient','auto') .attr('markerWidth',13) .attr('markerHeight',13) .attr('xoverflow','visible') .append('svg:path') .attr('d', 'M 0,-5 L 10 ,0 L 0,5') .attr('fill', '#999') .style('stroke','none'); //create some data const dataset = { nodes: [ //Classes {id: 'plt:Casing', label: 'Casing', 'group': 'Platoon', importance: 40} , {id: 'plt:SecondaryWinding', label: ' Secondary Winding', 'group': 'Platoon', importance: 40} , {id: 'plt:DeosAgingMarkers', label: 'Deos Aging Markers Metanol/Etanol', 'group': 'Platoon', importance: 40} , {id: 'plt:DissipationAndResistivityFactor', label: ' Dissipation and resistivity factor (DDF)', 'group': 'Platoon', importance: 40} , {id: 'plt:DielectricBreakdown', label: 'Dielectric breakdown ', 'group': 'Platoon', importance: 40} , {id: 'plt:InterfacialTension', label: 'Interfacial tension (IFT) ', 'group': 'Platoon', importance: 40} , {id: 'plt:AntioxidantAdditives', label: 'Antioxidant additives ', 'group': 'Platoon', importance: 40} , {id: 'plt:FuranAnalysis', label: 'Furan analysis ', 'group': 'Platoon', importance: 40} , {id: 'plt:Transformer', label: 'Transformer', 'group': 'Platoon', importance: 40} , {id: 'plt:Acidity', label: 'Acidity ', 'group': 'Platoon', importance: 40} , {id: 'plt:DissolvedGasAnalysis', label: 'Dissolved gas analysis ', 'group': 'Platoon', importance: 40} , {id: 'plt:ElelectricalSubstation', label: 'Elelectrical Substation', 'group': 'Platoon', importance: 40} , {id: 'plt:Insullation', label: ' Insullation', 'group': 'Platoon', importance: 40} , {id: 'plt:PrimaryWinding', label: ' Primary Winding', 'group': 'Platoon', importance: 40} , {id: 'purl:Vocabulary', label: 'None', 'group': '----', importance: 20} , {id: 'foaf:Person', label: 'None', 'group': '----', importance: 20} , {id: 'http://www.purl.org/oema/ontologynetwork#Prosumer', label: 'None', 'group': '----', importance: 20} , {id: 'seas:ElectricPowerTransformer', label: 'None', 'group': '----', importance: 20} , {id: 'seas:ElectricPowerTransmissionSystem', label: 'None', 'group': '----', importance: 20} , {id: 'seas:ElectricPowerSystem', label: 'None', 'group': '----', importance: 20} , {id: 'seas:System', label: 'None', 'group': '----', importance: 20} , {id: 'seas:Property', label: 'None', 'group': '----', importance: 20} , {id: 'seas:ElectricPowerTransmisssionSystem', label: 'None', 'group': '----', importance: 20} , {id: 'http://www.purl.org/oema/ontologynetwork#EnergyMarketRole', label: 'None', 'group': '----', importance: 20} , {id: 'https://brickschema.org/schema/1.1/Brick#Oil', label: 'None', 'group': '----', importance: 20}, {id: 'https://brickschema.org/schema/1.1/Brick#Liquid', label: 'None', 'group': '----', importance: 20} ], links: [ //subClassOf {source: 'plt:Casing', target: 'seas:System', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:SecondaryWinding', target: 'seas:ElectricPowerSystem', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:DeosAgingMarkers', target: 'seas:Property', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:DissipationAndResistivityFactor', target: 'seas:Property', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:DielectricBreakdown', target: 'seas:Property', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:InterfacialTension', target: 'seas:Property', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:AntioxidantAdditives', target: 'seas:Property', type: '--- rdfs:subClassOf --->>'} , {source: 'http://www.purl.org/oema/ontologynetwork#Prosumer', target: 'http://www.purl.org/oema/ontologynetwork#EnergyMarketRole', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:FuranAnalysis', target: 'seas:Property', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:Transformer', target: 'seas:ElectricPowerTransmisssionSystem', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:Acidity', target: 'seas:Property', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:DissolvedGasAnalysis', target: 'seas:Property', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:ElelectricalSubstation', target: 'seas:ElectricPowerSystem', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:Insullation', target: 'seas:System', type: '--- rdfs:subClassOf --->>'} , {source: 'plt:PrimaryWinding', target: 'seas:ElectricPowerSystem', type: '--- rdfs:subClassOf --->>'} , {source: 'https://brickschema.org/schema/1.1/Brick#Oil', target: 'https://brickschema.org/schema/1.1/Brick#Liquid', type: '--- rdfs:subClassOf --->>'} ] }; // Initialize the links const link = svg.selectAll(".links") .data(dataset.links) .enter() .append("line") .attr("class", "links") .attr('marker-end','url(#arrowhead)') //The marker-end attribute defines the arrowhead or polymarker that will be drawn at the final vertex of the given shape. //The element provides an accessible, short-text description of any SVG container element or graphics element. //Text in a <title> element is not rendered as part of the graphic, but browsers usually display it as a tooltip. link.append("title") .text(d => d.type); const edgepaths = svg.selectAll(".edgepath") //make path go along with the link provide position for link labels .data(dataset.links) .enter() .append('path') .attr('class', 'edgepath') .attr('fill-opacity', 0) .attr('stroke-opacity', 0) .attr('id', function (d, i) {return 'edgepath' + i}) .style("pointer-events", "none"); const edgelabels = svg.selectAll(".edgelabel") .data(dataset.links) .enter() .append('text') .style("pointer-events", "none") .attr('class', 'edgelabel') .attr('id', function (d, i) {return 'edgelabel' + i}) .attr('font-size', 10) .attr('fill', '#aaa'); edgelabels.append('textPath') //To render text along the shape of a <path>, enclose the text in a <textPath> element that has an href attribute with a reference to the <path> element. .attr('xlink:href', function (d, i) {return '#edgepath' + i}) .style("text-anchor", "middle") .style("pointer-events", "none") .attr("startOffset", "50%") .text(d => d.type); // Initialize the nodes const node = svg.selectAll(".nodes") .data(dataset.nodes) .enter() .append("g") .attr("class", "nodes") .call(d3.drag() //sets the event listener for the specified typenames and returns the drag behavior. .on("start", dragstarted) //start - after a new pointer becomes active (on mousedown or touchstart). .on("drag", dragged) //drag - after an active pointer moves (on mousemove or touchmove). //.on("end", dragended) //end - after an active pointer becomes inactive (on mouseup, touchend or touchcancel). ); node.append("circle") .attr("r", d=> 5 + d.importance/2 ) .style("stroke", "grey") .style("stroke-opacity",0.3) .style("stroke-width", d => d.importance/10) .style("fill", d => colorScale(d.group)) node.append("title") .text(d => d.id + "\n" + d.label + " \n\n- " + d.group); node.append("text") .attr("dy", 4) .attr("dx", -15) .text(d => d.id); //Listen for tick events to render the nodes as they update in your Canvas or SVG. simulation .nodes(dataset.nodes) .on("tick", ticked); simulation.force("link") .links(dataset.links); // This function is run at each iteration of the force algorithm, updating the nodes position (the nodes data array is directly manipulated). function ticked() { link.attr("x1", d => d.source.x) .attr("y1", d => d.source.y) .attr("x2", d => d.target.x) .attr("y2", d => d.target.y); node.attr("transform", d => `translate(${d.x},${d.y})`); edgepaths.attr('d', d => 'M ' + d.source.x + ' ' + d.source.y + ' L ' + d.target.x + ' ' + d.target.y); } //When the drag gesture starts, the targeted node is fixed to the pointer //The simulation is temporarily “heated” during interaction by setting the target alpha to a non-zero value. function dragstarted(d) { if (!d3.event.active) simulation.alphaTarget(0.3).restart();//sets the current target alpha to the specified number in the range [0,1]. d.fy = d.y; //fx - the node’s fixed x-position. Original is null. d.fx = d.x; //fy - the node’s fixed y-position. Original is null. } //When the drag gesture starts, the targeted node is fixed to the pointer function dragged(d) { d.fx = d3.event.x; d.fy = d3.event.y; } //drawing the legend const legend_g = svg.selectAll(".legend") .data(colorScale.domain()) .enter().append("g") .attr("transform", (d, i) => `translate(${width},${i * 20})`); //legend_g.append("circle") // .attr("cx", 0) // .attr("cy", 0) // .attr("r", 5) //.attr("fill", colorScale); //legend_g.append("text") // .attr("x", 10) // .attr("y", 5) // .text(d => d); return div }</article></body></html>