Search found 41 matches

by plotter
Mon Mar 26, 2018 3:01 pm
Forum: LightningChart Ultimate WinForms
Topic: How to mult touch pinch/stretch zoom 3D chart?
Replies: 1
Views: 2549

How to mult touch pinch/stretch zoom 3D chart?

Good Morning, I am trying to multi-touch pinch/stretch a 3D chart to adjust distance, but seem unable. It works fine (multi-touch zoom) on 2D charts. I am testing on 'Surface Mouse Control' example, for instance... Mouse wheel zooming works fine. Multi-touch 3D chart rotation works after double-touc...
by plotter
Wed Nov 29, 2017 5:12 pm
Forum: LightningChart Ultimate WinForms
Topic: Easy way to sum multiple PointLineSeries?
Replies: 1
Views: 2271

Easy way to sum multiple PointLineSeries?

Good Morning, I need to sum several PointLineSeries on a Y Axis. Each existing PointLineSeries is presented as a StepLine. (The data on each series does not change at common x axis intervals.) I want to display a new PointLineSeries with the calculated summed values of the existing series. Is there ...
by plotter
Thu Oct 19, 2017 11:13 pm
Forum: LightningChart Ultimate WinForms
Topic: Charting Limits?
Replies: 5
Views: 7068

Re: Charting Limits?

Thanks again Kestutis,

I appreciate all the efforts from you and your team.
I have no regrets choosing Lightning Charts to integrate into my products.

Heather
by plotter
Wed Oct 18, 2017 4:11 pm
Forum: LightningChart Ultimate WinForms
Topic: Charting Limits?
Replies: 5
Views: 7068

Re: Charting Limits?

Thank you Kestutis, You have given me some new ideas. I an testing on a 128GB ~5Ghz Workstation with 2 GTX 1080Ti's, so I don't think machine hardware resources are the issue. Yes, I see how area series can be a heavier load. So if the performance tuning I need is accomplish is based on reducing the...
by plotter
Tue Oct 17, 2017 8:25 pm
Forum: LightningChart Ultimate WinForms
Topic: Charting Limits?
Replies: 5
Views: 7068

Charting Limits?

Hello Arction Support, I have implemented the WinForm Charting component and seem to have hit some limits with my data. It seems that the visible point count is the limiting factor in the product, is that correct? For instance, when I take the zoom bar chart example and change the point count to 50,...
by plotter
Sun Oct 15, 2017 12:35 pm
Forum: LightningChart Ultimate WinForms
Topic: AnnotationXy MouseOver Event Behavior Question
Replies: 4
Views: 4820

Re: AnnotationXy MouseOver Event Behavior Question

Thank you,

I have a presentation Monday morning 10/16/17.
Is the fix in the just released update?
Or if not, is there a hotfix available?
Thanks as always,
Heather
by plotter
Sat Sep 30, 2017 4:28 am
Forum: LightningChart Ultimate WinForms
Topic: AnnotationXy MouseOver Event Behavior Question
Replies: 4
Views: 4820

AnnotationXy MouseOver Event Behavior Question

Hello Again, I am using some annotations as touch buttons on a chart and need them to be in front of any Y Axis labels, scale, title, etc. I am using MouseOverOn,Off,Up and Down events. KeepVisible, ClipInsideGraph and Behind are false. I am using ScreenCoordinates for Location and Size with Rounded...
by plotter
Tue Sep 26, 2017 8:22 pm
Forum: LightningChart Ultimate WinForms
Topic: best way to keep an annotation's position sync'd to cursor?
Replies: 7
Views: 8869

Re: best way to keep an annotation's position sync'd to curs

Good Afternoon, Thanks for the detailed tips. I do get pretty good responsiveness overall, but it does seem to be a steep slippery slope trying to keep UI touch lag to a minimum, as the UI becomes feature rich, especially on pc's that do not have good graphics adapters. I will try your suggestions a...
by plotter
Tue Sep 26, 2017 8:06 pm
Forum: LightningChart Ultimate WinForms
Topic: How to solve nearest value, only searching on x, (not Y)?
Replies: 6
Views: 7928

Re: How to solve nearest value, only searching on x, (not Y)

Hello and thanks for the details,

Yes my data is progressive, and I really would like to optimize it better than just iterating through the data...
If you might have some additional tips / pointers handy, I would really appreciate it.

Thanks again for all your help and information!
Heather
by plotter
Sun Sep 24, 2017 7:58 pm
Forum: LightningChart Ultimate WinForms
Topic: best way to keep an annotation's position sync'd to cursor?
Replies: 7
Views: 8869

Re: best way to keep an annotation's position sync'd to curs

Hello, As I do need to implement a solution as soon as possible on this one, what do you suggest would be the best implementation for this, performance wise. I have pretty much avoided the rendering events as they seem to have a significant performance penalty. If I do it in the after rendering even...
by plotter
Sat Sep 23, 2017 3:04 pm
Forum: LightningChart Ultimate WinForms
Topic: Is this a Multi-Touch bug? Please See Details...
Replies: 2
Views: 3220

Is this a Multi-Touch bug? Please See Details...

Good Morning, I have charts with segments and multiple Y Axis per segment (That doesn't seem to matter, it's just there is often significant area taken up by Y Axis Scale Labels and Titles that vary from one segment to the next.) Not all Segments have the same number of Y Axis, which result in 'empt...
by plotter
Thu Sep 21, 2017 4:04 pm
Forum: LightningChart Ultimate WinForms
Topic: How to Summarize HighLow Area Reverse vs Normal %
Replies: 2
Views: 4357

Re: How to Summarize HighLow Area Reverse vs Normal %

Ok, Then I guess I will have to do it the 'old fashioned' way... :roll: Seems like quantified area comparisons would be useful in a more than a few types of analysis, like percentage good compared to bad, for instance... (% good : bad) as well as even an average of the range of good vs bad... (avg h...
by plotter
Thu Sep 21, 2017 3:49 pm
Forum: LightningChart Ultimate WinForms
Topic: How to solve nearest value, only searching on x, (not Y)?
Replies: 6
Views: 7928

Re: How to solve nearest value, only searching on x, (not Y)

Hi Pasi,
I currently am doing that, but wondered if there was a better method...
Thanks,
Heather
by plotter
Thu Sep 21, 2017 3:47 pm
Forum: LightningChart Ultimate WinForms
Topic: best way to keep an annotation's position sync'd to cursor?
Replies: 7
Views: 8869

Re: best way to keep an annotation's position sync'd to curs

Thank You Pasi,
I would love to get a beta version to 'test' this for you :D
Thanks,
Heather
by plotter
Thu Sep 21, 2017 12:22 pm
Forum: LightningChart Ultimate WinForms
Topic: How to Summarize HighLow Area Reverse vs Normal %
Replies: 2
Views: 4357

How to Summarize HighLow Area Reverse vs Normal %

Hi, I have several HighLow Series on a Y Axis. They visually summarize the data very well, colorizing the reverse filled regions as desired. I need to provide a textural statistic summary of those reverse colorized regions as percentage of reverse filled vs normal filled within a paticular x range. ...
by plotter
Thu Sep 21, 2017 12:15 pm
Forum: LightningChart Ultimate WinForms
Topic: How to solve nearest value, only searching on x, (not Y)?
Replies: 6
Views: 7928

How to solve nearest value, only searching on x, (not Y)?

How do I solve for the nearest X value in a series, only specifying the x value and not caring about the Y? My scenario is I am creating several step line hi low series, and the x values are close in time range but not exactly at the same time. Sometimes the cooresponding value is a few seconds befo...
by plotter
Thu Sep 21, 2017 12:05 pm
Forum: LightningChart Ultimate WinForms
Topic: best way to keep an annotation's position sync'd to cursor?
Replies: 7
Views: 8869

Re: best way to keep an annotation's position sync'd to curs

Good Morning Pasi, Yes, I have tried that event, as well as chart size changed, and every other event I could find... The issue is that PositionChanged seems to be really Cursor_ValueChanged, and not really PositionChanged... The event I need just seems to be missing... Here's a perfect example scen...
by plotter
Mon Sep 18, 2017 8:06 pm
Forum: LightningChart Ultimate WinForms
Topic: How do I prevent y scaling from using exponents?
Replies: 2
Views: 3338

How do I prevent y scaling from using exponents?

Hi, I have a number of segments each with a number of Y axis's and point line series. When I try to scale data what doesn't have more than 1 value within the x range, the Y scaling switches to exponent display, with some massive value as the high and low extremes. Is there an intrinsic way to simply...
by plotter
Mon Sep 18, 2017 7:41 pm
Forum: LightningChart Ultimate WinForms
Topic: best way to keep an annotation's position sync'd to cursor?
Replies: 7
Views: 8869

best way to keep an annotation's position sync'd to cursor?

Hi, I have a couple of cursors that have dedicated annotations that I position in the center of the cursor, just above the X axis. I put text on these to identify the cursors. Even though I have the cursor width set fairly wide, the annotations work great as cursor touch pads in touch environments. ...
by plotter
Mon Sep 18, 2017 7:24 pm
Forum: LightningChart Ultimate WinForms
Topic: Rectangle AnnotationStyle Seems Invisible with Hardware 9
Replies: 6
Views: 8257

Re: Rectangle AnnotationStyle Seems Invisible with Hardware

Hi, I still see unusual behavior with the rectangle fill with DX11 and DX9. I still get flicker when running in a vmWare environment using DX11, so I am forced to use DX9 there. The annotation fill gradient background seems to work differently between the different versions. I have overcome the rect...
by plotter
Wed Aug 16, 2017 11:15 pm
Forum: LightningChart Ultimate WinForms
Topic: Many Static Annotations' Visibility Affecting Performance?
Replies: 1
Views: 3660

Many Static Annotations' Visibility Affecting Performance?

Hi, I have about 250 XYAnnotations in a chart and seeing really poor performance (bad lag) when moving cursors and bands. The annotations are used statically in a table, there is no annotation repositioning or content updating. (no wiring to series or axis data) When I set the annotations visiblity ...
by plotter
Thu Jun 08, 2017 11:34 pm
Forum: LightningChart Ultimate WinForms
Topic: .TimeString with day count > 1 month without day rollover?
Replies: 2
Views: 3605

Re: .TimeString with day count > 1 month without day rollove

I am currently solving it with: $"{Math.Floor((cursorX2.ValueAtXAxis - cursorX1.ValueAtXAxis) / 86400)} " + _chart.ViewXY.XAxes[0].TimeString(cursorX2.ValueAtXAxis - cursorX1.ValueAtXAxis, "HH:mm:ss.ffff"); I guess I was really wondering if the TimeString has the ability to format this directly ? Th...
by plotter
Thu Jun 08, 2017 11:13 pm
Forum: LightningChart Ultimate WinForms
Topic: .TimeString with day count > 1 month without day rollover?
Replies: 2
Views: 3605

.TimeString with day count > 1 month without day rollover?

Hello Arction Support: I am finally back into plotting :D I need to present the elapsed time range between 2 cursors, I currently am using this to present the time range. DeltaX2X1.Text = _chart.ViewXY.XAxes[0].TimeString(cursorX2.ValueAtXAxis - cursorX1.ValueAtXAxis, "dd:HH:mm:ss.ffff"); It fails t...
by plotter
Mon May 08, 2017 6:14 pm
Forum: LightningChart Ultimate WinForms
Topic: Keeping Series Centered Vertically in View While Zooming
Replies: 3
Views: 4237

Re: Keeping Series Centered Vertically in View While Zooming

Thank you for your helpful reply. I need to provide multi-touch zoom functionality for use on a Microsoft Surface Studio. (It has a 28" screen that is 4500x3000px and must run at 200% scaling to be useful) After testing with the demo samples, I am experiencing great difficulties using pinch and stre...
by plotter
Sat May 06, 2017 1:35 pm
Forum: LightningChart Ultimate WinForms
Topic: Keeping Series Centered Vertically in View While Zooming
Replies: 3
Views: 4237

Keeping Series Centered Vertically in View While Zooming

Good Morning, I have a single Y axis and point line series in a chart. I have a requirement to keep the series centered vertically in the chart while I am zooming vertically. This way, the users will always see the series, so they know where they are at, when they are zooming manually. How do I calc...
by plotter
Fri May 05, 2017 2:02 pm
Forum: LightningChart Ultimate WinForms
Topic: AnnotationsXY Table Resizing and Fonts
Replies: 1
Views: 2784

AnnotationsXY Table Resizing and Fonts

Hi, I have implemented several AnnotationsXY 'Tables' based on your example. They have size and location persistence as well as dynamic height based on content. I need help with the resizing though. The fonts need to scale as well as the table cell proportions. Currently, during table creation, I am...
by plotter
Fri May 05, 2017 1:48 pm
Forum: LightningChart Ultimate WinForms
Topic: AnnotationsXY and Embedded Control Functionality
Replies: 1
Views: 3002

AnnotationsXY and Embedded Control Functionality

Hi, I have implemented several AnnotationXY based tables based on your example, BUT, I need to implement user interactivity such as hiding the table (a 'X' button in the top right corner comes to mind), as well as checkboxes and other buttons or comboBoxes within the table, etc. Somethings are ideal...
by plotter
Fri May 05, 2017 1:34 pm
Forum: LightningChart Ultimate WinForms
Topic: Positioning AnnotationXY on Initial Chart Creation
Replies: 3
Views: 4002

Re: Positioning AnnotationXY on Initial Chart Creation

Thank You Very Much! I DO rely on the samples heavily as they provide much more detail than the user manual, and have tried to go through every relevant example's code to try to see 'how it's done', but there IS a lot to digest. And sometimes the most useful tidbits are in examples not apparently re...
by plotter
Fri May 05, 2017 3:35 am
Forum: LightningChart Ultimate WinForms
Topic: Rectangle AnnotationStyle Seems Invisible with Hardware 9
Replies: 6
Views: 8257

Re: Rectangle AnnotationStyle Seems Invisible with Hardware

Hello, I have tested on different hardware and found out the behavior is only on VMware SVGA 3D guest virtual adapter. I tested it on 2 different hardware platforms with different video cards. Both had no artifacts running on the host hardware, but did have the transparency artifacts when running in...
by plotter
Thu May 04, 2017 1:07 pm
Forum: LightningChart Ultimate WinForms
Topic: Drag Series Plot to New Form?
Replies: 8
Views: 9748

Re: Drag Series Plot to New Form?

So then might the best (safest) way to implement this would be to use the Chart Manager to basically identify what is being moved, then in code, remove completely from parent, and then delete the 'dropped' components, and recreate the dropped series completely in the target form?
by plotter
Thu May 04, 2017 11:06 am
Forum: LightningChart Ultimate WinForms
Topic: Positioning AnnotationXY on Initial Chart Creation
Replies: 3
Views: 4002

Positioning AnnotationXY on Initial Chart Creation

Good Morning, I am struggling to display a set of annotations positioned over cursors during chart creation. I want to annotation to appear just above the bottom of the chart, (or just below the top of the chart) I have 15 series spread over 5 segments. I do not use to use .ZoomToFit. When I create ...
by plotter
Tue May 02, 2017 11:40 am
Forum: LightningChart Ultimate WinForms
Topic: Keeping Cursors Always Visible
Replies: 2
Views: 2853

Re: Keeping Cursors Always Visible

Yes, I agree with your cursor logic, however I am using a zoom bar implementation and need only to (optionally) trigger this behavior selectively when the range is initially change from the zoom bar, and it will be disabled for range adjustments in the detail chart. I can also show the cursors in th...
by plotter
Mon May 01, 2017 9:29 pm
Forum: LightningChart Ultimate WinForms
Topic: Keeping Cursors Always Visible
Replies: 2
Views: 2853

Keeping Cursors Always Visible

Hi, I would love the option to have my cursors always visible, regardless of the scaling and axis panning, etc. I need to make this a feature that can be turned on/off. It seems to me that this would be great useful functionality to be built in to the product. something like LineSeriesCursor.AlwaysV...
by plotter
Mon May 01, 2017 8:59 pm
Forum: LightningChart Ultimate WinForms
Topic: Drag Series Plot to New Form?
Replies: 8
Views: 9748

Drag Series Plot to New Form?

I really like the drag n drop series, but have 2 questions... 1: Is there any way to drop on to chart in different form? 2: Once I drop to different Y Axis, what do I need to do to display the series Axis Scale and title at the left of the plot. So that when I drag and drop a plot, 'everything' abou...
by plotter
Mon May 01, 2017 8:54 pm
Forum: LightningChart Ultimate WinForms
Topic: Rectangle AnnotationStyle Seems Invisible with Hardware 9
Replies: 6
Views: 8257

Re: Rectangle AnnotationStyle Seems Invisible with Hardware

I have found a workaround that solves my problem.

I have selected AnnotationStyle.RoundedRectangle, then set .CornerRoundRadius = 0;

Thanks.
by plotter
Mon May 01, 2017 4:33 am
Forum: LightningChart Ultimate WinForms
Topic: Rectangle AnnotationStyle Seems Invisible with Hardware 9
Replies: 6
Views: 8257

Rectangle AnnotationStyle Seems Invisible with Hardware 9

Hello Arction Support, I need to use Hardware 9 for rendering and am finding that the AnnotationStyle.Rectangle displays with a black frame and no content for me. I think RectangleArrow does it also. All other shapes seem Ok. I experience this behavior with the ExampleAnnotationsXY and the ExampleAn...
by plotter
Sat Apr 08, 2017 5:05 pm
Forum: LightningChart Ultimate WinForms
Topic: Presenting a Single Point in a PointLineSeries as as a Line
Replies: 1
Views: 3842

Presenting a Single Point in a PointLineSeries as as a Line

I have 15 series of data, some have thousands of data points, others have 1 (like alarm limits for instance) I need to present the 1 point series as a high or low alarm (a plot line that extends from beginning of data to end) Currently I am detecting 1 point series, then copying it to create a 'begi...
by plotter
Fri Apr 07, 2017 1:17 pm
Forum: LightningChart Ultimate WinForms
Topic: Highlight Y Axis Label when Mouse Over Plot Line
Replies: 2
Views: 4220

Highlight Y Axis Label when Mouse Over Plot Line

Hello Everybody (My First Post), I have 15 line plots in 4 view segments and need to identify the Y axis when hovering over the plot line with mouse. Highlighting the Y Axis Label when the respective plot is highlighted would be great. Also, highlighting the plot line when mouseover the y Axis label...