Hi,
I’m trying to convert Java code to swift and I need the RolloverModifier class’s updateCurrentPoint method. I create CustomRolloverModifier class inherits from SCIRolloverModifier class and import SciChart.Protected.SCIRolloverModifier extension too. But i can’t find updateCurrentPoint method. What is the updateCurrentPoint equivalent method on swift?
Thanks.
- Emre Gökberk asked 4 years ago
- last active 4 years ago
I have a chart with multiple series, and I would like to have the RolloverModifier behavior for all selected series, but with a single tooltip combining the values for all selected series rather than a separate tooltip per series (similar to the CursorModifier)
Is there a way to do one of the following?
- Merge the tooltips from the RolloverModifier?
OR - Only show the vertical crosshair from the CursorModifier, and snap the crosshair to the closest point in the series?
The RolloverModifier is closer to the behavior I want, the only change I would want is the merged tooltip.
- Brandon Dybala asked 3 years ago
- last active 3 years ago
Hi,
I am facing a issue with RolloverModifier. I have multiple charts in single window. For some points the lines over the chart are missing.
Please find the attached images for some examples and the code for reproduce the issue. on the attachment you can see that the line on some chart is missing when mouse on left and right corner area of the chart
- Arun Surendran asked 2 years ago
- last active 2 years ago
I need to implement custom html legend instead of built-in options.
To hide built-in rollover I’m using series config:
this.series.rolloverModifierProps.width = 0;
this.series.rolloverModifierProps.height = 0;
this.series.rolloverModifierProps.markerColor = "rgba(255, 255, 255, 0)";
I can’t set
rolloverModifierProps.showRollover = false;
because in that case rolloverModifierProps.tooltipDataTemplate handler is not firing.
My handler looks like
rolloverModifierProps.tooltipDataTemplate = (seriesInfo: SeriesInfo): string[] => {
const ohlcInfo = seriesInfo as OhlcSeriesInfo;
myOwnHandlerToPassDataToHtml({ high: ohlcInfo.highValue, low: ohlcInfo.lowValue, open: ohlcInfo.openValue, close: ohlcInfo.closeValue });
return [];
};
I’am wondering if there is any other way to hide rollover marker but keep tooltipDataTemplate handler firing?
- Sergey Chernyakov asked 2 years ago
- last active 2 years ago
Hi,
I am facing a issue with RolloverModifier. I have multiple charts in single window. For some points the lines over the chart are missing.
Please find the attached images for some examples and the code for reproduce the issue. on the attachment you can see that the line on some chart is missing when mouse on left and right corner area of the chart.
Posting again because on latest version also the same issue not resolved.
https://www.scichart.com/questions/js/rollovermodifier-in-multiple-chart-line-missing-on-some-areas
- Arun Surendran asked 2 years ago
- last active 2 years ago
Hello,
When annotations and the rollover modifiers are displayed on the very left side of a chart they align with the center of the candlesticks on the chart. However, as they get displayed toward the right side of the chart they get more and more offset to the right side of the candlestick.
Can anyone point me in the right direction to figure out how to fix this issue seemingly with my xAxis?
See attached screenshots,
- Leland asked 11 months ago
- last active 11 months ago
Hi,
the Tooltip from the rolloverModifier shows for the Open-Values the Label “Open”.
I would like to be able to change that. There might be serveral reasons for that. Maybe the shown data are not “openValues” or the word “open” needs to be translated into another language.
I managed to edit the title of a FastCandlestickRenderableSeries by setting a title and get it into the variable like this:
rolloverTitle = newtitle;
renderableSeries0.rolloverModifierProps.tooltipTitle = rolloverTitle;
unfortunately i did not find a way to set the name/label for the open-,low-,close-, or high-values of this Series.
Can someone give ma a hint how to do this?
- Sebastian Affeld asked 8 months ago
- last active 8 months ago
Imagine I have a chart with a RolloverModifier, such that I see the point marker, and also a CursorModifier so I see the axis labels with the exact value I’m hovering.
This chart has the axis title hidden, and also the labels hidden, so I can really only see them trough the CursorModifier axis labels.
Since the axis title and labels are hidden, the axis labels spawn inside the chart, and the point marker from the RolloverModifier may be drawn on top of the labels.
I’d like to properly control drawing order here, so my axis labels get prioritised.
Is there a way to do so?
Codepen example: https://codepen.io/jrfv/full/VwqVBdo
- João Velasques asked 7 months ago
- last active 4 months ago
Hello,
I am having a problem where I want to display the Rollover Modifier only when I click on the selected graph.
For example:
https://demo.scichart.com/javascript-chart-rollovermodifier-tooltips
If I select the Second Lines Series, I want to see the rollover only for that particular graph and not the first one and the third one.
I have tried using charts id’s as a reference to show only one tooltip but it just enables it for all the graphs.
Any help would be kindly appreciated.
- Zino As asked 1 week ago
- last active 5 days ago
Hello, we have been working on our charts for more than a year now. The performance is really bad recently, it uses 100% of CPU when hovering on the chart, it seems to be an issue with the RolloverModifier, if we remove it; everything feels smother and the CPU usage is on normal levels. We tried rolling back to an old version of SciChart, but the problem persist. Any idea of what can be the issue?
- Jhonatan Laguna asked 3 days ago
