Comments (4)
Right now I tryed to resolve using this piece of code:
scatterplot.subscribe("pointOver", (point) => {
// set the index hovered point
this.pointHover = this.dataset[point];
// get position of the hovered point
this.pointPosition = scatterplot.getScreenPosition(point)
// show the tooltip
this.tooltip.nativeElement.style.visibility = 'visible';
this.tooltip.nativeElement.style.position = 'absolute';
this.tooltip.nativeElement.style.left = this.pointPosition[0] + 170 + "px";
this.tooltip.nativeElement.style.top = this.pointPosition[1] + 10 + "px";
});
scatterplot.subscribe("pointOut", (point) => {
// hide the tooltip
this.tooltip.nativeElement.style.visibility = 'hidden';
});
I have a problem positioning the tooltip as you see, setting this value for a particular resolution, so I have this problem. Exist other way to set the location of the tooltip relative to the canvas?
from regl-scatterplot.
Not sure what you mean with "tooltip for each point" but you can easily implement tooltips with your favorite UI library using scatterplot.subscribe('pointover', pointoverHandler);
, scatterplot.subscribe('pointout', pointoutHandler);
, and const [x, y] = scatterplot.getScreenPosition(pointIdx);
from regl-scatterplot.
The screen position is relative to canvas element. So depending on your setup you might need to do something like const { top, left } = scatterplot.get('canvas').getBoundingClientRect()
and subtract the scroll offset from top
and left
.
from regl-scatterplot.
Ok fine, with your the piece of code: const { top, left } = scatterplot.get('canvas').getBoundingClientRect()
I can recover this offset and apply it to my tooltip location for any resolution, thanks
from regl-scatterplot.
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