In Spotfire, I am trying to draw three horizontal curves from columns in a different data table than my plot. These lines are supposed to be target lines. I know I can do this either in a combination chart or in Lines & Curves in properties.
However, I prefer not to do it in a combination chart as I have to add colouring and I get many distinct series when I add colouring to three different target lines.
So I tried doing this by adding a horizontal line in "Add > Horizontal Line > Line From Data Table". However instead of drawing a curve what this does is draw multiple horizontal lines for the slightly fluctuating values in this column. I have also tried other options in Lines & Curves but none seem to work. And this happens although I have matchedthe data tables.
Does anyone have an idea how I can draw these target lines while avoiding the situation linked below?
The situation now:
The red, purple and black lines are supposed to be 3 seperate lines.
I think you are very close. Try the Properties > Lines and Curves and then Add > Line From Column Values. You will need to specify the x and y axis from the data table.
This will not always work on a bar chart, as the x may not line up with your category axis on the bar chart. Your x-axis for the line will need to be the same as the category axis.
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