javascript - Retain ability to pan on y-axis, without zooming d3.js v4 -


i new d3.js have been attempting build gantt chart d3.js v4.

i have managed add zoom functionality graph want act differently on y-axis. currently, can pan , zoom on y-axis, want pan. because zoom causing problems having elements spread out on y-axis graph. there simple fix problem?

here scales:

//scale xaxis var xscale = d3.scaletime()                 .domain([mindate, maxdate])                 .range([0, graphwidth])  //scale yaxis var yscale = d3.scalelinear()                 .domain([1, 10])                 .range([50, 550])

here function runs during zoom event.

function zoom() {     // re-scale x axis during zoom    xaxis.transition()          .duration(0)          .call(d3.axistop(xscale).scale(d3.event.transform.rescalex(xscale)));     // re-draw rectangles using new x-axis scale    var new_xscale = d3.event.transform.rescalex(xscale);    var new_yscale = d3.event.transform.rescaley(yscale);     rect     .attr("x", function(d) { return new_xscale(d.startdate) })     .attr("y", function(d) { return new_yscale(d.id) - 35})     .attr("width", function(d) { return new_xscale(d.enddate) - new_xscale(d.startdate) })    taskinfo     .attr("y", function(d) { return new_yscale(d.id) }) }

any thoughts?


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