chart = {
const width = 960,
height = 900;
const svg = d3.create("svg")
.attr("viewBox", [50, 50, width-100, height-100]);
var projection = d3
.geoAlbersUsa()
.fitSize([width - 50, height - 50], gbox);
var path1 = d3.geoPath().projection(projection);
var path2 = d3.geoPath().projection(projection);
var path3 = d3.geoPath().projection(projection);
var path4 = d3.geoPath().projection(projection);
var path5 = d3.geoPath().projection(projection);
var path6 = d3.geoPath().projection(projection);
var g = svg.append("g").attr("id", "paths");
var clicks =[]
g.selectAll("path2") //d3 geopath
.data(streets.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path2) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "none")
.style('stroke-opacity','1')
.style("stroke-width", '.75')
.style("stroke", "rgb(0,0,0)")
g.selectAll("path3") //d3 geopath
.data(gbldgs.features) //get data to define path
.enter() //there are more data than elements, this selects them
.append("path") //appends path to data
.attr('class','outlines')
.attr("d", path3) //The d attribute defines a path to be drawn, only applies to appended elements
.style("fill", "rgb(240,240,240)")
.style("fill-opacity", ".5")
.style('stroke-opacity','.4')
.style("stroke-width", '.5')
.style("stroke", "rgb(0,0,0)")
var c = svg.selectAll("circle") //circle
.data(spots)
.enter() //there are more data than elements, this selects them
.append("circle") //appends path to data
.attr("cx", function(d) {return projection([d.long,d.lat])[0]})
.attr("cy", function(d) {return projection([d.long,d.lat])[1]})
.attr('r',spotRadius)
.attr('fill',colorType)//add function to control color by 'type'
.style('fill-opacity','1')
.style('stroke','black')
.style('stroke-width','1')
.on('mouseover',spotText)
.on('mouseout',removeText)
function colorType(d,i){//non-listening event functions pass the data, and then index
var color = 'cyan'
//if the type is live, make the color yellow
if(d.type=='live'){color = 'rgb(255,255,'+y+')'}
if(d.type=='film'){color = 'magenta'}
return color
}
//create and if statement that says if the budget is too high, text pops up that says it's too high
//create if statement that says if happiness is above a certain lever, and budget is below a certain level, you win!
svg.append("text")
//.attr('class','spotInfo')
.attr('x','550')
.attr('y','390')
.attr('font-family','Helvetica')
.attr('font-size','.6em')
.attr('font-weight','bold')
.attr('text-anchor','start')
.text(totalValues[0])
svg.append("text")
//.attr('class','spotInfo')
.attr('x','550')
.attr('y','390')
.attr('font-family','Helvetica')
.attr('font-size','.6em')
.attr('font-weight','500')
.attr('text-anchor','end')
.text('cost:')
svg.append("text")
//.attr('class','spotInfo')
.attr('x','550')
.attr('y','380')
.attr('font-family','Helvetica')
.attr('font-size','.6em')
.attr('font-weight','bold')
.attr('text-anchor','start')
.text(totalValues[1])
svg.append("text")
//.attr('class','spotInfo')
.attr('x','550')
.attr('y','380')
.attr('font-family','Helvetica')
.attr('font-size','.6em')
.attr('font-weight','500')
.attr('text-anchor','end')
.text('happiness:')
function spotText(i,d){
//this is where we write what we want to happen when we mouseover the spot
//d.name is the name of what I'm mousing over
svg.append("text")
.attr('class','spotInfo')
.attr('x','460')
.attr('y','350')
.attr('font-family','Helvetica')
.attr('font-size','.6em')
.attr('font-weight','bold')
.attr('text-anchor','start')
.text(d.name)
svg.append("text")
.attr('class','spotInfo')
.attr('x','460')
.attr('y','360')
.attr('font-family','Helvetica')
.attr('font-size','.6em')
.attr('font-weight','300')
.attr('text-anchor','start')
.text(d.description)
svg.append('line')
.attr('class','spotLine')
.attr('x1','455')
.attr('y1','350')
.attr('x2','455')
.attr('y2',projection([d.long,d.lat])[1])
.attr('stroke-width','1.5')
.attr('stroke','black')
.attr('stroke-dasharray','4 4')
svg.append('line')
.attr('class','spotLine')
.attr('x1',projection([d.long,d.lat])[0])
.attr('y1',projection([d.long,d.lat])[1])
.attr('x2','455')
.attr('y2',projection([d.long,d.lat])[1])
.attr('stroke-width','1.5')
.attr('stroke','black')
.attr('stroke-dasharray','4 4')
}
function removeText(i,d){
d3.selectAll('text.spotInfo').remove()//to remove a class of objects, state the object type, then class name
d3.selectAll('line.spotLine').remove()
}
var t = svg.selectAll('text')
.data(transportation)
.enter()
.append('text')
.attr('x','200')
.attr('y',function(d,i){return 200+(i*20)})
.attr('font-family','Helvetica')
.attr('font-size','.6em')
.attr('text-anchor','start')
.attr('font-weight','bold')
.text(function(d) {return d})
/*
c.enter.append('circle')//format to add additional circles
.data(trees)
.enter() //there are more data than elements, this selects them
.append("circle") //appends path to data
.attr("cx", function(d) {return projection([d.long,d.lat])[0]})
.attr("cy", function(d) {return projection([d.long,d.lat])[1]})
.attr('r',3)
.attr('fill','black')
.style('fill-opacity','1')
*/
return svg.node();
}