I've been working a 3 x 3 grid of small multiples in D3. Each of the charts have their own x and y axes. However, I'd like to only include y axes on only the charts in the left column of the grid (ie. the 1st, 4th, 7th multiple).
The data is already nested and bound to the DOM like this:
const wrapper = div.selectAll('uniqueChart')
.data(nest)
.enter()
.append('svg')
.attr('width', smallChartDims.width)
.attr("height", smallChartDims.height)
const bounds = wrapper.append('g')
.style('transform', `translate(${smallChartDims.margins.left}px, ${smallChartDims.margins.top}px)`)
Then, later on, I draw the data to each chart:
bounds.selectAll('.bar')
.data(d => d.values)
.enter()
.append('rect')
.attr("class", "bar")
.attr('height', d => smallChartDims.boundedHeight - yScale(yAccessor(d)))
.attr('width', newScale.bandwidth() + 1)
.attr('x', d => newScale(xAccessor(d)))
.attr('y', d => yScale(yAccessor(d)))
.attr("fill", womanColor)
.on("mouseover", d => mouseOn(d))
.on("mousemove", d => mouseMove(d))
.on("mouseout", d => mouseOut(d))
And axes are generated and added:
const xAxisGenerator = d3.axisBottom(newScale)
.tickValues(newScale.domain().filter((d, i) => !(i%10)))
.tickSizeOuter(0)
const xAxis = bounds.append('g')
.style("transform", `translateY(${smallChartDims.boundedHeight}px)`)
.call(xAxisGenerator)
const yAxisGenerator = d3.axisLeft(yScale)
.tickValues(["25", "50", "75"])
const yAxis = bounds.append('g')
.attr("class", "yAxis")
.call(yAxisGenerator)
.call(g => g.select(".domain").remove())
I've tried selecting all the objects within bounds
and then selecting axes that way in the hopes of removing them but didn't get very far. Does anyone have any idea how I could do this?
One possible solution out of many is filtering the bounds
selection by their indices.
For instance, this is a small multiples with all the axes:
const data = d3.range(9); const div = d3.select(".grid") const wrapper = div.selectAll(null) .data(data) .enter() .append('svg') .attr("width", 100) .attr("height", 100); const bounds = wrapper.append('g'); const scale = d3.scaleLinear() .range([90, 10]); const axis = d3.axisLeft(scale); const yAxis = bounds.append("g") .attr("transform", "translate(30,0)") .call(axis);
.grid { display: grid; grid-gap: 10px; grid-template-columns: repeat(3, 1fr); } svg { border: 1px solid black; background-color: wheat; margin-left: 10px; }
<script src="https://d3js.org/d3.v7.min.js"></script> <div class="grid"></div>
Now we filter using the index:
const yAxis = bounds.filter((_, i) => !(i % 3))
Here is the result:
const data = d3.range(9); const div = d3.select(".grid") const wrapper = div.selectAll(null) .data(data) .enter() .append('svg') .attr("width", 100) .attr("height", 100); const bounds = wrapper.append('g'); const scale = d3.scaleLinear() .range([90, 10]); const axis = d3.axisLeft(scale); const yAxis = bounds.filter((_, i) => !(i % 3)).append("g") .attr("transform", "translate(30,0)") .call(axis);
.grid { display: grid; grid-gap: 10px; grid-template-columns: repeat(3, 1fr); } svg { border: 1px solid black; background-color: wheat; margin-left: 10px; }
<script src="https://d3js.org/d3.v7.min.js"></script> <div class="grid"></div>
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