Search found 57 matches
- Thu Apr 14, 2016 5:10 pm
- Forum: LightningChart Ultimate WPF
- Topic: License Key Error
- Replies: 2
- Views: 11349
License Key Error
Dear Arction Support: A few of our customers have reported the following error message that shows when running on machines that have strict firewall settings: LightningChartUltimate License Key Error: Unable to parse license data. Check LicenseKey property. I am not certain that the firewall setting...
- Mon Feb 01, 2016 4:49 pm
- Forum: LightningChart Ultimate WPF
- Topic: Zoom Rectangle Colors
- Replies: 1
- Views: 4455
Zoom Rectangle Colors
Is there a way to set the colors used by the Zoom Rectangle in ViewXY plots?
- Tue Jul 21, 2015 3:59 pm
- Forum: LightningChart Ultimate WPF
- Topic: Resource leak w/ multiple charts
- Replies: 3
- Views: 6603
Re: Resource leak w/ multiple charts
After testing the interim build you provided us, I can confirm that the resource leaks no longer occur. Thanks!
- Mon Jun 22, 2015 6:12 pm
- Forum: LightningChart Ultimate WPF
- Topic: Resource leak w/ multiple charts
- Replies: 3
- Views: 6603
Re: Resource leak w/ multiple charts
I've sent a sample project to your support email. Please let me know if you don't receive it.
- Wed Jun 17, 2015 4:47 pm
- Forum: LightningChart Ultimate WPF
- Topic: Resource leak w/ multiple charts
- Replies: 3
- Views: 6603
Resource leak w/ multiple charts
Dear Arction Support, We have encountered a resource leak similar to the one you recently fixed that seems to only occur when we have multiple charts displayed, then close them all, then reopen them, in quick succession. I've double checked that Dispose is called for each of the chart objects, and t...
- Tue Jun 09, 2015 4:26 pm
- Forum: LightningChart Ultimate WPF
- Topic: Resource leak
- Replies: 3
- Views: 7499
Re: Resource leak
I can confirm that this fix worked for us. Thank you!
- Fri May 29, 2015 6:13 pm
- Forum: LightningChart Ultimate WPF
- Topic: Resource leak
- Replies: 3
- Views: 7499
Resource leak
We've run across a situation where users who open and close charts many times in our application experience thread leaks and out of memory exceptions in the charts that cause the charts to show up blank, or in worst cases even crash the program. I tried to simulate the problem in the LightningChart ...
- Fri Mar 27, 2015 4:07 pm
- Forum: LightningChart Ultimate WPF
- Topic: MeasureText seems to not work for monospaced fonts
- Replies: 3
- Views: 6372
Re: MeasureText seems to not work for monospaced fonts
Interesting. Creating the WPFFont object using the constructor that you chose, it works! I have been using an alternate constructor: WPFFont font = new WPFFont(fontSpec.TheFontFamily, emSize, fontSpec.TheFontStyle); and using this method, the font measurements have always been a little flaky. I'll s...
- Thu Mar 26, 2015 11:36 pm
- Forum: LightningChart Ultimate WPF
- Topic: MeasureText seems to not work for monospaced fonts
- Replies: 3
- Views: 6372
MeasureText seems to not work for monospaced fonts
When I call the MeasureText function, I get misleading results for the case of monospaced fonts. For example, when I use Lucida Console font, the following returns different values for the width: PointInt textMeasure1 = _lightningChart.MeasureText("mmmm", annotation.TextStyle.Font); PointI...
- Wed Jan 21, 2015 8:56 pm
- Forum: LightningChart Ultimate WPF
- Topic: No hardware acceleration on remote desktop w/multiple cards
- Replies: 4
- Views: 12932
Re: No hardware acceleration on remote desktop w/multiple ca
We had the customer run a test application with the forced hardware rendering on and off and that flag had no effect. The rendering was slow for both settings. We also had the customer take out two of the installed cards and leave only one GeForce card. In that configuration, the render times were v...
- Thu Jan 15, 2015 9:30 pm
- Forum: LightningChart Ultimate WPF
- Topic: No hardware acceleration on remote desktop w/multiple cards
- Replies: 4
- Views: 12932
Re: No hardware acceleration on remote desktop w/multiple ca
Thanks, Pasi. I'll see if we can test this on the customer's machine with the issue.
- Thu Jan 15, 2015 7:20 pm
- Forum: LightningChart Ultimate WPF
- Topic: No hardware acceleration on remote desktop w/multiple cards
- Replies: 4
- Views: 12932
Re: No hardware acceleration on remote desktop w/multiple ca
Correction -- Of the three NVidia cards on this machine, only one (Quadro K2000) is set to TCC mode. The three cards are: --System Video Controller Device Info (1/3)-- Video controller description: NVIDIA Quadro K2000 Video controller RAM: 2147483648 Video controller status: OK Video adapter compati...
- Thu Jan 15, 2015 6:41 pm
- Forum: LightningChart Ultimate WPF
- Topic: No hardware acceleration on remote desktop w/multiple cards
- Replies: 4
- Views: 12932
No hardware acceleration on remote desktop w/multiple cards
Dear Arction Support, One of our customers is using our application over remote desktop connection to a host machine that has multiple NVidia cards. Specifically, it has three cards, two of which are set to TCC mode and the third allowed for display use. They are reporting very slow rendering and po...
- Tue Sep 02, 2014 5:23 pm
- Forum: LightningChart General Q&A
- Topic: After install of 6.1 LibNET4 directory does not have .dlls
- Replies: 1
- Views: 18700
After install of 6.1 LibNET4 directory does not have .dlls
Dear Arction Support:
After I installed version 6.1 using the installer, I did not find any .dll files in the LibNET4 directory. Is that by intention? Where can I find the .dlls to add as references in my Visual Studio projects?
Thanks,
Shawn
After I installed version 6.1 using the installer, I did not find any .dll files in the LibNET4 directory. Is that by intention? Where can I find the .dlls to add as references in my Visual Studio projects?
Thanks,
Shawn
- Mon Aug 11, 2014 3:56 pm
- Forum: LightningChart Bug Reports
- Topic: Access Violation Exception in SharpDX
- Replies: 1
- Views: 7278
Access Violation Exception in SharpDX
Dear Arction Support, Here is a call stack of an exception that brought down our application. The Lightning Chart version is 6.0.9. We haven't been able to reproduce it, but if we can find a way to systematically create the exception, I'll update this post. Thanks, Shawn Description: The process was...
- Fri Jul 25, 2014 3:54 pm
- Forum: LightningChart Bug Reports
- Topic: Crash with software rendering in VirtualBox
- Replies: 2
- Views: 9147
Re: Crash with software rendering in VirtualBox
In the case that crashed, there was no hardware acceleration enabled -- the charts fall back to software rendering in that case, right? Anyhow, I am aware that the DirectX support in VirtualBox is experimental, I just wanted to forward the call stack to you in case there was something on your side t...
- Fri Jul 25, 2014 12:20 am
- Forum: LightningChart Bug Reports
- Topic: Crash with software rendering in VirtualBox
- Replies: 2
- Views: 9147
Crash with software rendering in VirtualBox
Dear Arction Support: I compiled the WPF demo app with v. 6.0.9 and when running on a Windows 7 virtual machine, the following crash occurred when I resized the demo window: Application: Arction.WPF.DemoApp.exe Framework Version: v4.0.30319 Description: The process was terminated due to an unhandled...
- Thu Jun 19, 2014 9:33 pm
- Forum: LightningChart Ultimate WPF
- Topic: Initial loading performance
- Replies: 5
- Views: 13977
Re: Initial loading performance
Here is a summary of my timing results using the modification to your example for various # of palette steps. #Steps 6.0.5 render time (ms) 6.0.6 render time (ms) -------- -------------------------- ------------------------- 4 2180 667 5 2330 667 6 2450 670 7 2600 665 8 2800 662 9 2940 660 10 3100 5...
- Thu Jun 19, 2014 8:56 pm
- Forum: LightningChart Ultimate WPF
- Topic: Initial loading performance
- Replies: 5
- Views: 13977
Re: Initial loading performance
Hi Pasi, In our test example, we have 11 steps in the grid series contour palette. I think your example has only four steps. Can you try your example adding the following lines before the gridSeries.InvalidateData() call? When I run your example with 11 palette steps, I get about 3.2 seconds to load...
- Thu Jun 19, 2014 4:53 pm
- Forum: LightningChart Ultimate WPF
- Topic: Initial loading performance
- Replies: 5
- Views: 13977
Initial loading performance
Dear Support: In trying out the new version of the Lightning Chart Ultimate libraries (6.0.6), we see a big hit in the initial loading for 3D charts. Here are example load times using the previous version, 6.0.5.: 2D Chart load time: 0.724 s 3D Chart load time: 3.834 s With the 6.0.6 version, the in...
- Fri Apr 25, 2014 11:12 pm
- Forum: LightningChart Ultimate WPF
- Topic: Font
- Replies: 2
- Views: 7219
Re: Font
I would like to echo Minoru's report. For us this is a style issue as we display other WPF controls side by side with a LightningChart. The noticeable difference in the rendered fonts has been commented on by some of our more aesthetically oriented users.
- Thu Apr 17, 2014 11:34 pm
- Forum: LightningChart Ultimate WPF
- Topic: Controlling z-order for different SeriesXY types
- Replies: 2
- Views: 7796
Re: Controlling z-order for different SeriesXY types
Just what I needed. Thanks!
- Wed Apr 16, 2014 10:42 pm
- Forum: LightningChart Ultimate WPF
- Topic: Controlling z-order for different SeriesXY types
- Replies: 2
- Views: 7796
Controlling z-order for different SeriesXY types
Is it possible to control the Z-order for different SeriesXY types? Specifically, I have LineCollection series that I would like to render underneath an IntensityGridSeries. Is there a way to control which series type is on top?
- Mon Mar 24, 2014 11:31 pm
- Forum: LightningChart Ultimate WPF
- Topic: Major grid lines for chart in Viewbox
- Replies: 1
- Views: 7033
Major grid lines for chart in Viewbox
When placing a LightningChart inside a Viewbox, major grid lines do not always show up well when the window size is decreased. See the following screenshots for example. Is there any way to improve the grid line appearance? For example, is there a way to make the line thickness greater for the major...
- Wed Mar 12, 2014 4:07 pm
- Forum: LightningChart Ultimate WPF
- Topic: Rendering artifacts on Intel HD Graphics 4600
- Replies: 9
- Views: 24848
Re: Rendering artifacts on Intel HD Graphics 4600
The recommendation to use Double.NaN instead of Double.MinValue works for us except for the strange wireframe lines as you mentioned. On most display adapters those lines do not show up, but on the Intel HD Graphics 4000/4600 they do. Please let us know if/when you find a work-around or bug fix for ...
- Fri Feb 28, 2014 11:19 pm
- Forum: LightningChart Ultimate WPF
- Topic: Rendering artifacts on Intel HD Graphics 4600
- Replies: 9
- Views: 24848
Re: Rendering artifacts on Intel HD Graphics 4600
Here is a simple example project to reproduce the rendering problem.
This is a screenshot of the rendering on an Intel HD Graphics 4600 display adapter.
This is a screenshot as it looks on my AMD FirePro.
- Tue Feb 25, 2014 6:34 pm
- Forum: LightningChart Ultimate WPF
- Topic: Rendering artifacts on Intel HD Graphics 4600
- Replies: 9
- Views: 24848
Re: Rendering artifacts on Intel HD Graphics 4600
We just tried and, interesting enough, changing ClipContents to false doesn't make a difference. We also get rendering artifacts for cases where the surface isn't flat. I'll also re-iterate that the under-side of the surface renders just fine. Here are a few more screenshots. First is the top-side r...
- Tue Feb 25, 2014 5:30 pm
- Forum: LightningChart Ultimate WPF
- Topic: Rendering artifacts on Intel HD Graphics 4600
- Replies: 9
- Views: 24848
Re: Rendering artifacts on Intel HD Graphics 4600
Also, some of our users who are seeing this rendering artifact have the HD Graphics 4000 cards. So, we are seeing it with the 4000 and 4600 models.
- Tue Feb 25, 2014 5:08 pm
- Forum: LightningChart Ultimate WPF
- Topic: Rendering artifacts on Intel HD Graphics 4600
- Replies: 9
- Views: 24848
Re: Rendering artifacts on Intel HD Graphics 4600
Here is some additional information that might help find a possible bugfix/workaround: The surface data is a square grid that is zero within the circular region and values set to Double.MinValue (-1.7976931348623157E+308) in the area meant to be clipped. View3D.ClipContents is set to true WallOnBott...
- Tue Feb 25, 2014 1:00 am
- Forum: LightningChart Ultimate WPF
- Topic: Rendering artifacts on Intel HD Graphics 4600
- Replies: 9
- Views: 24848
Rendering artifacts on Intel HD Graphics 4600
Several of our users are reporting rendering artifacts on computers with Intel HD Graphics 4600 display adapters. Here is an example SurfaceGridSeries3D where all of the values are zero. In the first screenshot (a system with an AMD display adapter), the surface looks correct, but in the second, som...
- Mon Feb 17, 2014 4:22 pm
- Forum: LightningChart Bug Reports
- Topic: Pixel rendering bug
- Replies: 4
- Views: 11883
Re: Pixel rendering bug
Do you have an estimated date when version 6 will be available? Also, as a possible work-around, is it possible to limit the number of palette steps that show in the legend so that, for instance, I could construct a palette that varies between 0 and 0.5 and have an extra step between 0.5 and the max...
- Sat Feb 15, 2014 12:51 am
- Forum: LightningChart Bug Reports
- Topic: Pixel rendering bug
- Replies: 4
- Views: 11883
Pixel rendering bug
I am seeing a potential bug with pixel rendering enabled where values above the upper palette level are not clipped at the maximum scale color. Hopefully the attached graphic illustrates the problem. In this graphic, the top row shows pixelated and smoothed intensity plots where the color scale span...
- Sat Feb 15, 2014 12:01 am
- Forum: LightningChart Ultimate WPF
- Topic: Mac Remote Desktop client support
- Replies: 3
- Views: 9912
Re: Mac Remote Desktop client support
After testing out various configurations, it appears to be an issue with the server computer (a Windows machine) here and not the Mac client.
- Fri Feb 14, 2014 6:18 pm
- Forum: LightningChart Ultimate WPF
- Topic: Provide custom legend labels for 2D intensity palette
- Replies: 1
- Views: 5416
Provide custom legend labels for 2D intensity palette
I am trying to support a log-scale color palette and would like to provide a custom label in the 2D color bar legend so that a value of "-1" appears as "0.1" or "1.E-1" in the legend value label. Is there an event I can catch to transform the log-scale value into a line...
- Fri Feb 14, 2014 4:50 pm
- Forum: LightningChart Ultimate WPF
- Topic: Mac Remote Desktop client support
- Replies: 3
- Views: 9912
Mac Remote Desktop client support
Do you have any guidance about using LightningCharts with a Mac remote desktop client? We have reports from testers that it works for some users and not for others in our application. I was wondering if you can help specify requirements for that situation to work (e.g., Windows server type/Mac clien...
- Fri Jan 31, 2014 9:19 pm
- Forum: LightningChart Ultimate WPF
- Topic: How to format step value labels in LegendBox3D scale?
- Replies: 1
- Views: 5264
How to format step value labels in LegendBox3D scale?
Is there a way to provide custom number formats for the value steps in the LegendBox3D? I tried handling the event SupplyCustomValueStringHandler, but my handler never got called.
- Fri Jan 17, 2014 6:06 pm
- Forum: LightningChart Feature Requests
- Topic: Option for changing grid line thickness
- Replies: 0
- Views: 12797
Option for changing grid line thickness
I would love to see the MajorGrid and MinorGrid line thickness be configurable.
- Thu Jan 16, 2014 5:30 pm
- Forum: LightningChart Bug Reports
- Topic: IntensityGrid2D legend values format
- Replies: 5
- Views: 13646
Re: IntensityGrid2D legend values format
Thanks for the quick fix. This works for me now.
- Wed Jan 15, 2014 7:28 pm
- Forum: LightningChart Bug Reports
- Topic: IntensityGrid2D legend values format
- Replies: 5
- Views: 13646
Re: IntensityGrid2D legend values format
Here is a sample project that reproduces the formatting issue on my computer. Can you see if I am perhaps doing something wrong in setting this up? Thanks, Shawn LCLegendValueLabelBug.zip PS -- Here are screenshots of what I get with this sample project: LegendBoxExampleValuesClippedWithG3lowRes.PNG...
- Wed Jan 15, 2014 4:56 pm
- Forum: LightningChart Bug Reports
- Topic: Pixelation rendering bug
- Replies: 2
- Views: 9869
Re: Pixelation rendering bug
Thanks! Fix confirmed.
- Tue Jan 14, 2014 7:43 pm
- Forum: LightningChart Bug Reports
- Topic: Pixelation rendering bug
- Replies: 2
- Views: 9869
Pixelation rendering bug
I am having issues where pixels with near-zero value do not render correctly. See the following annotated screenshot. The un-rendered pixels have values of about 6.0e-8 and lower. PixelationBug.png Note that if I set PixelRender = false, the areas below the problematic threshold are rendered correct...
- Tue Jan 14, 2014 6:25 pm
- Forum: LightningChart Bug Reports
- Topic: IntensityGrid2D legend values format
- Replies: 5
- Views: 13646
IntensityGrid2D legend values format
I have a case where my palette values run from 0.0 to 1.0 and I am using "G3" as the LegendBoxValuesFormat. When the series title is blank and the LegendBoxUnits string is blank, the legend box values are clipped on the right (see image). LegendBoxValuesClipped.PNG Note that if I use "...
- Wed Jan 08, 2014 1:16 am
- Forum: LightningChart Feature Requests
- Topic: ClipInsideGraph for SeriesEventMarker
- Replies: 1
- Views: 17310
ClipInsideGraph for SeriesEventMarker
It would be great if SeriesEventMarker objects had a "ClipInsideGraph" option. See the following screenshot for an example of the current behavior. The clipping by the x-axis in this case prevents the values from being visible even though the point is inside the plot area. ClippedSeriesEve...
- Mon Jan 06, 2014 9:40 pm
- Forum: LightningChart Ultimate WPF
- Topic: LabelsPosition for Y-axes?
- Replies: 2
- Views: 7379
Re: LabelsPosition for Y-axes?
Your first work-around suggestions is good for my situation since I don't need both major and minor ticks displayed.
- Mon Jan 06, 2014 8:10 pm
- Forum: LightningChart Ultimate WPF
- Topic: Create WPFFont from System.Windows.Media.FontFamily?
- Replies: 1
- Views: 6281
Create WPFFont from System.Windows.Media.FontFamily?
Is it possible to create a WPFFont object from a System.Windows.Media.FontFamily instead of a System.Drawing.FontFamily? The two don't seem to have equivalent lookup tables for the FontFamily name and in my project all of our fonts are selected from the System.Windows.Media collection.
- Sat Jan 04, 2014 1:40 am
- Forum: LightningChart Ultimate WPF
- Topic: LabelsPosition for Y-axes?
- Replies: 2
- Views: 7379
LabelsPosition for Y-axes?
Is there any way to specify the label position for Y-axes in ViewXY plots? I am trying to have a Y-axis on the left such that the major tick marks are pointing to the inside of the plot but the labels are on the outside.
- Wed Dec 11, 2013 6:05 pm
- Forum: LightningChart Ultimate WPF
- Topic: Legend Layout
- Replies: 6
- Views: 12166
Re: Legend Layout
I'll second this question. How can we customize the legend size? For example, when resizing a plot window, the plot area will shrink but the legend size stays fixed and can obstruct the plot area.
- Mon Dec 09, 2013 5:21 pm
- Forum: LightningChart Bug Reports
- Topic: Paletted Fill Issues on Surface with Contours
- Replies: 2
- Views: 8583
Re: Paletted Fill Issues on Surface with Contours
Thanks! Your workaround worked for me.
- Sat Dec 07, 2013 1:04 am
- Forum: LightningChart Bug Reports
- Topic: Paletted Fill Issues on Surface with Contours
- Replies: 2
- Views: 8583
Paletted Fill Issues on Surface with Contours
Here is a behavior that I have not been able to find a good solution for. Take the following modification to the ExampleSimpleSurfaceGrid3D class in the LightningChart demo. // dY = 35.0 + 30.0 * Math.Sin(0.01 * (double)(iNodeX * iNodeZ)); dY = 0.25 + 0.1 * Math.Sin(0.01 * (double)(iNodeX * iNodeZ))...
- Fri Dec 06, 2013 4:52 pm
- Forum: LightningChart Ultimate WPF
- Topic: Logarithmic Intensity Scale
- Replies: 4
- Views: 11476
Re: Logarithmic Intensity Scale
For now I suppose I'll stick with providing log-scaled data for the grid series data and then live with log-values instead of actual values displayed in the legend. That is unfortunate because the user experience would be much more polished if you could toggle back and forth between linear and log c...
- Thu Dec 05, 2013 11:11 pm
- Forum: LightningChart Ultimate WPF
- Topic: Logarithmic Intensity Scale
- Replies: 4
- Views: 11476
Logarithmic Intensity Scale
Is it possible to display a logarithmic intensity scale in the graph legend for IntensityGridSeries (2D) and SurfaceGridSeries3D elements? I can set my color palette to have entries at regular log intervals, but the intensity scale still shows the color variation in a linear fashion. Alternatively I...
- Fri Nov 15, 2013 4:53 pm
- Forum: LightningChart Ultimate WPF
- Topic: Delay when switching active view from ViewXY to View3D
- Replies: 6
- Views: 15587
Re: Delay when switching active view from ViewXY to View3D
Thanks for looking into it!
- Thu Nov 14, 2013 7:43 pm
- Forum: LightningChart Ultimate WPF
- Topic: Delay when switching active view from ViewXY to View3D
- Replies: 6
- Views: 15587
Re: Delay when switching active view from ViewXY to View3D
Here is a screenshot of the results I get after clicking Toggle XY/3D several times.
- Thu Nov 14, 2013 7:27 pm
- Forum: LightningChart Ultimate WPF
- Topic: Delay when switching active view from ViewXY to View3D
- Replies: 6
- Views: 15587
Re: Delay when switching active view from ViewXY to View3D
I've uploaded an example project. After building the example, click on the button "Toggle XY/3D" and take a look at the timing reported in the text box on the left. You can edit the constructor MainWindow() in MainWindow.xaml.cs to change _isView3D from false to true initially to see the e...
- Wed Nov 13, 2013 11:32 pm
- Forum: LightningChart Ultimate WPF
- Topic: Delay when switching active view from ViewXY to View3D
- Replies: 6
- Views: 15587
Delay when switching active view from ViewXY to View3D
Dear Arction Support, I'm running into an issue where there is a 1-2 second delay when switching between ViewXY and View3D for the active view (or vice versa) in a single LightningChartUltimate object. The delay only happens the first time I switch from one to the other -- after that, switching back...
- Thu Oct 24, 2013 10:50 pm
- Forum: LightningChart Ultimate WPF
- Topic: Auto tick marks at "zero" not exact
- Replies: 2
- Views: 6993
Re: Auto tick marks at "zero" not exact
That worked very nicely. Thanks!
- Thu Oct 24, 2013 9:13 pm
- Forum: LightningChart Ultimate WPF
- Topic: Auto tick marks at "zero" not exact
- Replies: 2
- Views: 6993
Auto tick marks at "zero" not exact
In order to support generic charting scenarios, I'm specifying LabelsNumberFormat to be "G3" for X- and Y-axes in a ViewXY plot. Mostly this works great, but there are occasions when dragging or panning the chart area around where the axis label at zero displays an annoying, very small num...