How to make a linechart solid and dotted over the x-axis?

Question

I have a parameter over weeks with historic and forecast info. I want the historical week to be a dotted line and from the current week onwards a solid line. I use an annotation ‘dash’ and created a string parameter that have dash for the historic weeks. I added this as annotation the parameter, but if I use this all the weeks are dotted. (When I remove the annotation the whole is solid, as it should be).

So is it possible to change the line over the axis?

Anonymous · Accepted Answer

@Marc Wingender, you can do this by creating two different identifiers, giving them each their own annotation.See e.g. below the result and attached project where I have a HistoryValue()and ForecastValue() line. They both run over the superset of all time periods, and each have their subset of history vs forecast periods. To connect the two lines, I made the first ForecastValue the same as the last HistoryValue (t-11).Line chart with 2 identifiers represented differentially using annotationsThe annotation determines color, style of line and circle:.annotation-solid {stroke: black !important;}.annotation-dash {stroke: blue !important;stroke-dasharray: 2;}circle.annotation-solid {fill: black !important;}circle.annotation-dash {fill: blue !important;}PS:@Marc Wingender, realize now the ask was the other way around: Historic data dashed. Just switch the values of the HistoricAnnotation and ForecastAnnotation in the model, refresh page, and you are good to go.Hope this helps.

Anonymous · Answer

Here an extended version where you decide how to display the identifiers via a selection table: solid or dashed (and now switched to the order you initially asked for 😉).

Extended example with ability to change display via dynamic annotation settings

I wanted to also show that the area below could use similar coloring, but we noticed a small issue in AIMMS and we need to fix that. Idea would be to add the following to the annotation.css file:

path.chart-item.chart-item-area.annotation-solid {
    fill:black;
}

path.chart-item.chart-item-area.annotation-dash {
    fill:blue;
}

…. this should generate the following chart (currently only the 1st identifier area listens to the annotation):

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