Search found 57 matches

by ShawnCG
Thu Apr 14, 2016 5:10 pm
Forum: LightningChart Ultimate WPF
Topic: License Key Error
Replies: 2
Views: 10771

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...
by ShawnCG
Mon Feb 01, 2016 4:49 pm
Forum: LightningChart Ultimate WPF
Topic: Zoom Rectangle Colors
Replies: 1
Views: 4436

Zoom Rectangle Colors

Is there a way to set the colors used by the Zoom Rectangle in ViewXY plots?
by ShawnCG
Tue Jul 21, 2015 3:59 pm
Forum: LightningChart Ultimate WPF
Topic: Resource leak w/ multiple charts
Replies: 3
Views: 6576

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!
by ShawnCG
Mon Jun 22, 2015 6:12 pm
Forum: LightningChart Ultimate WPF
Topic: Resource leak w/ multiple charts
Replies: 3
Views: 6576

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.
by ShawnCG
Wed Jun 17, 2015 4:47 pm
Forum: LightningChart Ultimate WPF
Topic: Resource leak w/ multiple charts
Replies: 3
Views: 6576

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...
by ShawnCG
Tue Jun 09, 2015 4:26 pm
Forum: LightningChart Ultimate WPF
Topic: Resource leak
Replies: 3
Views: 7462

Re: Resource leak

I can confirm that this fix worked for us. Thank you!
by ShawnCG
Fri May 29, 2015 6:13 pm
Forum: LightningChart Ultimate WPF
Topic: Resource leak
Replies: 3
Views: 7462

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 ...
by ShawnCG
Fri Mar 27, 2015 4:07 pm
Forum: LightningChart Ultimate WPF
Topic: MeasureText seems to not work for monospaced fonts
Replies: 3
Views: 6261

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...
by ShawnCG
Thu Mar 26, 2015 11:36 pm
Forum: LightningChart Ultimate WPF
Topic: MeasureText seems to not work for monospaced fonts
Replies: 3
Views: 6261

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...
by ShawnCG
Wed Jan 21, 2015 8:56 pm
Forum: LightningChart Ultimate WPF
Topic: No hardware acceleration on remote desktop w/multiple cards
Replies: 4
Views: 12893

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...
by ShawnCG
Thu Jan 15, 2015 9:30 pm
Forum: LightningChart Ultimate WPF
Topic: No hardware acceleration on remote desktop w/multiple cards
Replies: 4
Views: 12893

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.
by ShawnCG
Thu Jan 15, 2015 7:20 pm
Forum: LightningChart Ultimate WPF
Topic: No hardware acceleration on remote desktop w/multiple cards
Replies: 4
Views: 12893

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...
by ShawnCG
Thu Jan 15, 2015 6:41 pm
Forum: LightningChart Ultimate WPF
Topic: No hardware acceleration on remote desktop w/multiple cards
Replies: 4
Views: 12893

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...
by ShawnCG
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: 16198

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
by ShawnCG
Mon Aug 11, 2014 3:56 pm
Forum: LightningChart Bug Reports
Topic: Access Violation Exception in SharpDX
Replies: 1
Views: 7208

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...
by ShawnCG
Fri Jul 25, 2014 3:54 pm
Forum: LightningChart Bug Reports
Topic: Crash with software rendering in VirtualBox
Replies: 2
Views: 9073

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...
by ShawnCG
Fri Jul 25, 2014 12:20 am
Forum: LightningChart Bug Reports
Topic: Crash with software rendering in VirtualBox
Replies: 2
Views: 9073

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...
by ShawnCG
Thu Jun 19, 2014 9:33 pm
Forum: LightningChart Ultimate WPF
Topic: Initial loading performance
Replies: 5
Views: 13939

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...
by ShawnCG
Thu Jun 19, 2014 8:56 pm
Forum: LightningChart Ultimate WPF
Topic: Initial loading performance
Replies: 5
Views: 13939

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...
by ShawnCG
Thu Jun 19, 2014 4:53 pm
Forum: LightningChart Ultimate WPF
Topic: Initial loading performance
Replies: 5
Views: 13939

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...
by ShawnCG
Fri Apr 25, 2014 11:12 pm
Forum: LightningChart Ultimate WPF
Topic: Font
Replies: 2
Views: 7127

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.
by ShawnCG
Wed Apr 16, 2014 10:42 pm
Forum: LightningChart Ultimate WPF
Topic: Controlling z-order for different SeriesXY types
Replies: 2
Views: 7739

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?
by ShawnCG
Mon Mar 24, 2014 11:31 pm
Forum: LightningChart Ultimate WPF
Topic: Major grid lines for chart in Viewbox
Replies: 1
Views: 6976

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...
by ShawnCG
Wed Mar 12, 2014 4:07 pm
Forum: LightningChart Ultimate WPF
Topic: Rendering artifacts on Intel HD Graphics 4600
Replies: 9
Views: 24765

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 ...
by ShawnCG
Fri Feb 28, 2014 11:19 pm
Forum: LightningChart Ultimate WPF
Topic: Rendering artifacts on Intel HD Graphics 4600
Replies: 9
Views: 24765

Re: Rendering artifacts on Intel HD Graphics 4600

Here is a simple example project to reproduce the rendering problem.
LCSurfaceRenderIssue.zip
(11.25 KiB) Downloaded 1028 times
This is a screenshot of the rendering on an Intel HD Graphics 4600 display adapter.
RenderIssueExampleOnIntel4600.png
RenderIssueExampleOnIntel4600.png (121.22 KiB) Viewed 24699 times
This is a screenshot as it looks on my AMD FirePro.
RenderIssueExampleOnAMD.png
RenderIssueExampleOnAMD.png (122.77 KiB) Viewed 24699 times
by ShawnCG
Tue Feb 25, 2014 6:34 pm
Forum: LightningChart Ultimate WPF
Topic: Rendering artifacts on Intel HD Graphics 4600
Replies: 9
Views: 24765

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...
by ShawnCG
Tue Feb 25, 2014 5:30 pm
Forum: LightningChart Ultimate WPF
Topic: Rendering artifacts on Intel HD Graphics 4600
Replies: 9
Views: 24765

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.
by ShawnCG
Tue Feb 25, 2014 5:08 pm
Forum: LightningChart Ultimate WPF
Topic: Rendering artifacts on Intel HD Graphics 4600
Replies: 9
Views: 24765

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...
by ShawnCG
Tue Feb 25, 2014 1:00 am
Forum: LightningChart Ultimate WPF
Topic: Rendering artifacts on Intel HD Graphics 4600
Replies: 9
Views: 24765

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...
by ShawnCG
Mon Feb 17, 2014 4:22 pm
Forum: LightningChart Bug Reports
Topic: Pixel rendering bug
Replies: 4
Views: 11800

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...
by ShawnCG
Sat Feb 15, 2014 12:51 am
Forum: LightningChart Bug Reports
Topic: Pixel rendering bug
Replies: 4
Views: 11800

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...
by ShawnCG
Sat Feb 15, 2014 12:01 am
Forum: LightningChart Ultimate WPF
Topic: Mac Remote Desktop client support
Replies: 3
Views: 9882

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.
by ShawnCG
Fri Feb 14, 2014 6:18 pm
Forum: LightningChart Ultimate WPF
Topic: Provide custom legend labels for 2D intensity palette
Replies: 1
Views: 5393

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...
by ShawnCG
Fri Feb 14, 2014 4:50 pm
Forum: LightningChart Ultimate WPF
Topic: Mac Remote Desktop client support
Replies: 3
Views: 9882

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...
by ShawnCG
Fri Jan 31, 2014 9:19 pm
Forum: LightningChart Ultimate WPF
Topic: How to format step value labels in LegendBox3D scale?
Replies: 1
Views: 5235

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.
by ShawnCG
Fri Jan 17, 2014 6:06 pm
Forum: LightningChart Feature Requests
Topic: Option for changing grid line thickness
Replies: 0
Views: 12311

Option for changing grid line thickness

I would love to see the MajorGrid and MinorGrid line thickness be configurable.
by ShawnCG
Thu Jan 16, 2014 5:30 pm
Forum: LightningChart Bug Reports
Topic: IntensityGrid2D legend values format
Replies: 5
Views: 13548

Re: IntensityGrid2D legend values format

Thanks for the quick fix. This works for me now.
by ShawnCG
Wed Jan 15, 2014 7:28 pm
Forum: LightningChart Bug Reports
Topic: IntensityGrid2D legend values format
Replies: 5
Views: 13548

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...
by ShawnCG
Wed Jan 15, 2014 4:56 pm
Forum: LightningChart Bug Reports
Topic: Pixelation rendering bug
Replies: 2
Views: 9794

Re: Pixelation rendering bug

Thanks! Fix confirmed. :D
PixelationBugFixed.png
PixelationBugFixed.png (41.65 KiB) Viewed 9787 times
by ShawnCG
Tue Jan 14, 2014 7:43 pm
Forum: LightningChart Bug Reports
Topic: Pixelation rendering bug
Replies: 2
Views: 9794

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...
by ShawnCG
Tue Jan 14, 2014 6:25 pm
Forum: LightningChart Bug Reports
Topic: IntensityGrid2D legend values format
Replies: 5
Views: 13548

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 "...
by ShawnCG
Wed Jan 08, 2014 1:16 am
Forum: LightningChart Feature Requests
Topic: ClipInsideGraph for SeriesEventMarker
Replies: 1
Views: 16874

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...
by ShawnCG
Mon Jan 06, 2014 9:40 pm
Forum: LightningChart Ultimate WPF
Topic: LabelsPosition for Y-axes?
Replies: 2
Views: 7353

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.
by ShawnCG
Mon Jan 06, 2014 8:10 pm
Forum: LightningChart Ultimate WPF
Topic: Create WPFFont from System.Windows.Media.FontFamily?
Replies: 1
Views: 6243

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.
by ShawnCG
Sat Jan 04, 2014 1:40 am
Forum: LightningChart Ultimate WPF
Topic: LabelsPosition for Y-axes?
Replies: 2
Views: 7353

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.
by ShawnCG
Wed Dec 11, 2013 6:05 pm
Forum: LightningChart Ultimate WPF
Topic: Legend Layout
Replies: 6
Views: 11723

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.
by ShawnCG
Mon Dec 09, 2013 5:21 pm
Forum: LightningChart Bug Reports
Topic: Paletted Fill Issues on Surface with Contours
Replies: 2
Views: 8505

Re: Paletted Fill Issues on Surface with Contours

Thanks! Your workaround worked for me.
by ShawnCG
Sat Dec 07, 2013 1:04 am
Forum: LightningChart Bug Reports
Topic: Paletted Fill Issues on Surface with Contours
Replies: 2
Views: 8505

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))...
by ShawnCG
Fri Dec 06, 2013 4:52 pm
Forum: LightningChart Ultimate WPF
Topic: Logarithmic Intensity Scale
Replies: 4
Views: 11421

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...
by ShawnCG
Thu Dec 05, 2013 11:11 pm
Forum: LightningChart Ultimate WPF
Topic: Logarithmic Intensity Scale
Replies: 4
Views: 11421

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...
by ShawnCG
Thu Nov 14, 2013 7:43 pm
Forum: LightningChart Ultimate WPF
Topic: Delay when switching active view from ViewXY to View3D
Replies: 6
Views: 15554

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.
by ShawnCG
Thu Nov 14, 2013 7:27 pm
Forum: LightningChart Ultimate WPF
Topic: Delay when switching active view from ViewXY to View3D
Replies: 6
Views: 15554

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...
by ShawnCG
Wed Nov 13, 2013 11:32 pm
Forum: LightningChart Ultimate WPF
Topic: Delay when switching active view from ViewXY to View3D
Replies: 6
Views: 15554

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...
by ShawnCG
Thu Oct 24, 2013 10:50 pm
Forum: LightningChart Ultimate WPF
Topic: Auto tick marks at "zero" not exact
Replies: 2
Views: 6968

Re: Auto tick marks at "zero" not exact

That worked very nicely. Thanks!
by ShawnCG
Thu Oct 24, 2013 9:13 pm
Forum: LightningChart Ultimate WPF
Topic: Auto tick marks at "zero" not exact
Replies: 2
Views: 6968

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...