WPF graphics range Editor

Similar Questions

• WPF graphics export to image problem

  My problem is that I created a new custom personalized using the chart wpf OR as a base. The control includes mainly the chart, its axis and legends on a grid. To allow the legend be moved, I put it in a grid of the child. My problem is that he was trying to export as an image control, I use the code below (similar to wpf graphical image export):

  Rect bounds = LayoutInformation.GetLayoutSlot(MainGrid);
  var bitmap = new RenderTargetBitmap((int)bounds.Width + 1, (int)bounds.Height + 1, 96, 96, PixelFormats.Default);
  bitmap.Render(MainGrid);
  

  My problem is the axes and the edges of the image exported to the Clipboard is dark as shown below. Is saved in the image, the edges are quite transparent but better (not visible in the photos app but visible in the paint). My question is why is this behavior and how can it be avoided?

  Thank you.

  

  The problem is the default color of the grid or niGraph in WPF is transparent. I simply changed color or image now saved correctly.

• WPF graphics getChildrenAtPoint

  I have a wpf that I add Point Annotations and Annotation driven program, when the user clicks the buttons 'Take Point Annotation' and 'take the Annoation range '. I would choose an annotation when the user clicks top brand him able to change or remove. I used the method getChildrenAtPoint of the graph, but the collection that this method returns is always empty...

  My definition of graph is:

  and the addAnnotation method is:

  ' Private Sub TakeRangeAnnotation_Executed (ByVal sender As Object, ExecutedRoutedEventArgs e)
  
          {
  
              Dialogue WindowAnnotation = new WindowAnnotation();
  
              If (dialog box. ShowDialog() is true)
  
              {
  
                  Ann NationalInstruments.Controls.RangeAnnotation = new NationalInstruments.Controls.RangeAnnotation ();
  
                  Ann. HorizontalRange = rangeCursor.ActualHorizontalRange;
  
                  Ann. VerticalRange = rangeCursor.ActualVerticalRange;
  
                  Ann. Label = dialogue. Annotation in question;
  
                  Ann. HorizontalAxis = xAxis;
  
                  Ann. VerticalAxis = yAxis;
  
                  Graph Children.Add (ann);
  
              }
  
          }

  I call the method getChlidrenAtPoint on the PlotAreaMouseLeftButtonUp event:

  ' private void graph_PlotAreaMouseLeftButtonUp (object sender, MouseButtonEventArgs e)
  
          {
  
              Point mousePos = e.GetPosition (graph);
  
              ScreenPos graphic = point. GetPlotAreaPosition (e);
  
              IEnumerable

  I tried the two position of the mouse and PlotAreaPosition, but the two collections are always empty, also if I click on an Annotation of the range

  I was able to reproduce the problem you saw and confirmed there is a bug in our code that prevents the annotations to appear in the results of the hit test. We have created a work item for this problem.

  To work around this, here's an example of how you can test for manual to achieve a RangeAnnotation in a graph is configured with double horizontal and vertical axes:

  double[] dataValue = graph.ScreenToData(plot, screenPos).Cast().ToArray();

  foreach( var rangeAnnotation in graph.Children.OfType() ) {

        var horizontalRange = (Range)rangeAnnotation.HorizontalRange;

        var verticalRange = (Range)rangeAnnotation.VerticalRange;

  if( horizontalRange.Contains(dataValue[0])

             && verticalRange.Contains(dataValue[1]) ) {

            // matching range annotation found

        }

    }

• WPF graphical zoom

  Hello

  I am trying to use the zoom on a graph of WPF, but I don't know how. Can you please give me an example how can I Zoom in/dΘplacer in a graph of Wpf?

  I want the same function as in the example of WPF-Feature Tour

  http://www.NI.com/example/29739/en/

  See screenshot

  

  Also the Start/Stop function and Zoom/Pan functions.

  Thank you very much

  Manual

  The page 'Picture' in the Tower of WPF functionality uses a GraphInteractionPalette to expose all of the built-in interactions available for the chart. To use it in your own code, simply link to the graph:

  Graph="{Binding ElementName=graph}" />

  When one of the buttons is activated, the palette will set the corresponding GraphInteraction the instance as the DefaultInteraction on the chart.

  The "Start/Stop" button simply controls the timer for a source of simulation data used to illustrate the graphics (similar to the way that the sample of "Trace" Project installed with Measurement Studio is implemented). The button is not bound to any member of the graph.

• Alignment of cells WPF graphics intensity

  I'm used to seeing graphs like this (found on internet)... where the first cell is the same size as the others:

  

  But in my case I have this... cells where data for some aligned reason with numbering Center brands.  As a result, the edge squares are only half of the other places (red squares show this issue).  Is this a setting any?  It's a simple table 6 x 6.  Thank you!

  

  The short answer is that you can specify an AxisDouble for the HorizontalAxis and VerticalAxis of your graph of the current see the Visual range complete the data :

  
  
          
  
              
  
          
  
          
  
              
  
          
  
      

  The longer answer is that intensity WPF chart displays values of data centered around their point of origin. This improves the interaction with other components, such as cursors and annotations. Unfortunately, even if we have improved the use of double axes in charts able Studio 2015, we left the default axis of the graph of the intensity as type int (I created a task to fix this for the next version).

• App "Unresponsive" with WPF graphics, GraphInteraction.Zoom and sliders

  I can't chart WPF (MS2013) to work with the sliders AND the GraphInteraction of Zoom (zoom with the mouse). The zoom rectangle redraws so slowly that the app is unusable, sometimes even suspended for long enough to get the "(ne répond pas) title" Windows. " WPF is supposed to redraw at 60 fps, but I'm< 1="" fps="" when="" i="" use="" more="" than="" a="" couple="" cursors.="" how="" can="" i="" use="" both="" mouse-zoom="" and="" ~100="" cursors="" at="" the="" same="">

  The attached csproj is based on the example of Charting. I pre-load 4 locations with 900 data points each and add 90 sliders and set the graphics DefaultInteraction on Zoom. When you try to mouse-zoom on a region, the zoom rectangle does not appear immediately and all holding left mouse to the bottom of the rectangle redraws slowly)< 1="" fps),="" not="">

  I tried to go to Raster and marking the sliders as ReadOnly, but it does not help. I considered to implement my mouse zoom (app has an example of resizing control just to test the performance of a simple), but it feels stupid disable the native just to implement zoom even. I do have performance problems similar with the mouse zoom rectangle (~ 5 fps refresh) without sliders, but this behavior is easier to reproduce. In our application, we often represent 4 channel with 500 K points and 100 data sets + read-only cursors.

  Advice / Solutions / advice would be really appreciated!

  -David

  

  The problem is due to the large number of cursors, each of which is generating its own visuals and recalculate its position on each update to the chart. The Visual zoom being in the same layer that cursors, layout is also done on the sliders each time the Visual zoom resizes.

  Instead of using the individual sliders a hundred to annotate every point, I would recommend using a custom object to render the annotations for all points. Joined a fast model (which still reduces the number of visuals generated using a custom point form which includes the vertical line of the reticle). Add an instance of the AnnotatingCursor to the Children collection of the graph will mark each 10th point with a diamond.

• Rotate the Wpf graphics in a 3d viewport

  Gentlemen.

  Someone at - it an example of how to roate a graphical wpf with the viewport3d?

  Thank you

  George

  You can host a WPF control with the help of the Viewport2DVisual3D class (in the example in the article, simply replace Hello, 3D with and change the RotateTransform3D according to needs).

• Presentation of graphical query editor

  Hi all

  Im very very new in adobe flash cs4, started working with Lynda tutorials. OFC they explain all the little details so here I ask the pros:

  The "timeline", graphic, in my query editor is much too large. That is the distance between the second second 1 and 2 is like 5 times the size as in the normal timeline.

  see for yourself:

  

  Maybe you can help me solve this problem (was this way by default, btw)

  Thanks in advance,

  dularion

  the small blue textfields underlined in bottom left of the query editor allow you to adjust keyframe spacing and height property

• WPF graphics, display plot marker (with contact information tooltip) on the mouse event

  Hello

  I need display the coordinates of the point of the field when the mouse pointer is positioned top/close to him.

  I already display a ToolTip with coordinates using the code in this LINK (works equally well for graph).

  However, it is not easy to see where the field is selected, especially when you have more than one land close to eachother.  Is there a way to display some sort of a 'marker '?  A bit of as Signal Analyzer?

  Thank you.

  If you want to display a target and the label next to the value as a user moves the mouse over a graphic, a possibility would be to use SetRelativePosition on a slider.

  If you want to just use a marker in the chart and keep the label in the ToolTip, you can set the relative position of a Visual in the Children collection:

  XAML
  
      
  
          
  
              
  
              ni:Cursor x:Name="cursor" />

            

            Ellipse x:Name="marker" Width="10" Height="10"

                     Stroke="Black" StrokeThickness="2"

                     niPrimitives:RelativePanel.RelativeHorizontalAlignment="Center"

                     niPrimitives:RelativePanel.RelativeVerticalAlignment="Center"

                     />
  
          
  
      

  Code
  
      private void OnPlotAreaMouseMove( object sender, MouseEventArgs e ) {

        IPlot plot = graph.AllPlots[0];

        Point screenPosition = graph.GetPlotAreaPosition( e );

        Point relativePosition = graph.ScreenToRelative( screenPosition );

  // Option 1

        cursor.SetRelativePosition( relativePosition );

  // Option 2

        PlotValue nearestValue = graph.FindNearestValue( plot, relativePosition, query );

        if( nearestValue != null ) {

            graph.ToolTip = string.Format(

                "Nearest value is at ({0},{1}).",

                nearestValue.Value.Cast

  Point nearestValuePosition = nearestValue.GetRelativePosition( );

            RelativePanel.SetRelativeHorizontalPosition( marker, nearestValuePosition.X );

            RelativePanel.SetRelativeVerticalPosition( marker, nearestValuePosition.Y );

        }

    }

• WPF graphics error: can't shoot outside a cycle of draw

  I get this error in my wpf with Measurement Studio 2013 application. After much headache, I realized this error only occurs if I add intrigue to the curve of this. Dispatcher.Invoke method of my background but work if I moved adding parcels to my main thread (RunWorkerCompleted code) I get this error again. I know that this error has been reported here before and this has been attributed to not having the most recent Measurement Studio library but I use the latest library. But I need to move this back to the background work because the addition of the plot in the main thread is blocking my UI. Thank you.

  I was able to reproduce the error with your project. The problem is with the implementation of the Auto mode able Studio 2013, where args made set caching using the old target were get called once the goal has been selected rendering.

  To avoid this, set RenderMode or Vector or Raster in the ulGraph.xaml file.

• How to change the color selection zoom wpf graphics?

  How to change this yellow color heavy into something more transparent?

  There is currently no available property to customize the color of the Visual interaction. I created a task to add this feature.

  To work around the problem, you can use the attached custom interaction like a wrapper around graphical interaction integrated to specify brushes custom for the line and filling:

  var customInteraction = new CustomInteraction( GraphInteraction.Zoom );

    customInteraction.SelectionStroke = Brushes.Green;

    graph.DefaultInteraction = customInteraction;

• WPF graphics export to image

  How to export the chart WPF image vector or matrix?

  If you want to set the size of the control in XAML, you will put in a sign that not cut the size of its children, as a Canvas :

  
  
          
  
      

  Using this XAML code with the original bitmap save extracted should produce an image without cutting measure thousand pixels on each side.

• Binding of WPF graphics and definition lines and plots only in the ViewModel

  Hello

  is it possible to bind all the Axes and all parcels in the Viewmodel?

  Now I've set the Axes and the plots in Xaml, but I want to generate momentum. Is this possible via the ViewModel?

  My graph now looks like this:

  My ViewModel looks like aktually like this:

  public ChartCollection[] chartCollection { get; set; }
  
     chartCollection = new[] {
          new ChartCollection(1000),
          new ChartCollection(1000),
            new ChartCollection(1000),
          new ChartCollection(1000),
                   new ChartCollection(1000),
          new ChartCollection(1000),
                   new ChartCollection(1000),
          new ChartCollection(1000)
      }; 
  
  and data-insert :
    test = hw.T_a1Actual.ToString();
      chartCollection[0].Append(hw.T_a1Actual);
      chartCollection[1].Append(hw.T_a2Actual);
      chartCollection[2].Append(hw.n_a1Actual);
      chartCollection[3].Append(hw.n_a2Actual);
  
  }));
  

  But I want to generate all the Axes and all dynamic plots. What is the best way to do it?

  I can do this via the ViewModel?

  Thanks in advance

  Manual

  Do not forget that the plots and the scales on a graph are just components and not the user interface objects themselves.

  It would be possible, with little code, take a set of models 'conspiracy' and 'axis' models and generate plots and lines of them, which could then be synchronized with a graphic. If expose you the Plot and AxisDouble components on the model, then the synchronization code would be necessary:

  public static class GraphExtensions {

  // Private property to hold on to synchronizer.
        private static readonly DependencyProperty PlotsSynchronizerProperty =
            DependencyProperty.RegisterAttached(
                "PlotsSynchronizer", typeof( CollectionViewSynchronizer ), typeof( GraphExtensions ) );

  // Public property to declare source of Graph.Plots collection.
        public static readonly DependencyProperty PlotsSourceProperty =
            DependencyProperty.RegisterAttached(
                "PlotsSource", typeof( IEnumerable ), typeof( GraphExtensions ),
                new PropertyMetadata( OnPlotsSourceChanged ) );

  public static IEnumerable GetPlotsSource( Graph g ) {
            return (IEnumerable)g.GetValue( PlotsSourceProperty );
        }

  public static void SetPlotsSource( Graph g, IEnumerable value ) {
            g.SetValue( PlotsSourceProperty, value );
        }

  private static void OnPlotsSourceChanged( DependencyObject d, DependencyPropertyChangedEventArgs e ) {
            var graph = (Graph)d;

  // Retrieve existing synchronizer, or create a new one for the target graph.
            var synchronizer = (CollectionViewSynchronizer)graph.GetValue( PlotsSynchronizerProperty );
            if( synchronizer == null ) {
                synchronizer = new CollectionViewSynchronizer { TargetCollection = graph.Plots };
                graph.SetValue( PlotsSynchronizerProperty, synchronizer );
            }

  // Synchronize graph's plots with new source.
            synchronizer.SourceCollection = CollectionViewSource.GetDefaultView( e.NewValue );
        }
    }

  In XAML, you can set the property attached on the chart as:
      
  : where the model exposes a collection or the observable collection of Plot objects.

  A similar attached property might be set to synchronize the Axes collection on a graph with a collection of model.

• After a time when the data added to the interface user blocked - WPF

  I am currently using WPF graphics.

  I have created a simulation that describes the problem that I have experienced in my application (attached).

  I have two sons, we generate data (in my application gets the material data every second) and the other copies the data in the user interface (copy the data to a variable, which bind to the data source).

  Every second I get 1000 points and adds them to the data. The first seconds it works well, after a while it gets stuck.

  I added a listbox control that displays the time, need to add the variable data and gradually increases.

  

  I have two questions:
  (1) did whenever I have add data, it attracts all the existing data again? If so, theres a way to improve or prevent this behavior?
  (2) how many points can represent the graph at a glance? (which is the limit of the graph)?

  Thank you

  HODAYA Shalom.

  Your example updated debugging, I think that the question is the Dispatcher.Invoke calls that you use to communicate with the user interface thread. Since you use the delegate only, all calls are sent with Normal priority, which means that events of low priority (as made graphic, or updated on day of data binding to scales) can get transformed. Using a lower as priority Render four Invoke calls not glued to the UI in my tests.

• A terrible distress in Pages

  After I updated my pages to 5.6.1 have some problems to use it.

  1. at all times when I copy and paste a few words of other documents or the internet "space bar" does not work. In this case, I have to re - open the document.

  2. everytime when I fill the chart pages and want to switch to the next block, when I click the mouse there is no problem, but if I use the tab the program closed automatically without save the chart.

  What can I do?

  1. I use El Capitan 10.11.1 and Pages v5.6.1. I just visited several sites at random and used copy and paste, or copy and paste and match style and all cases, the SPACEBAR remains fully functional later on, and Pages v5.6.1 not crushed.
  2. In the Format menu: table: display graphic data editor, can I change location of cell with the help of arrow keys, mouse or tab without closing, or crashing Pages.

  Did you get your v5.6.1 Pages by downloading it from the OS X App Store. Have you tried to make all changes to the application? You run any antivirus, anti-malware or any which Mac so-called applications that may interfere with normal cleaning Mac features?

  What can you do?

  1. Click on Launchpad (in your Dock), and the other category of the first Panel. Click disk utility.
     1. In disk utility, select your boot partition and perform first aid on this issue.
        1. No results text in red?
  2. Stop your Mac.
  3. Power, immediately press on and hold down the SHIFT key until you see the horizontal progress bar.
     1. The login screen will show Safe Boot Up red in the right corner of uppoer.
     2. After you type your password, and then click the right arrow to log in, press in and hold the SHIFT key (until your painting of icons on the desktop)
     3. Try the page again and see if you can reproduce any of your original problems
  4. Restart normally

  Assess whether your original problems still exist with v5.6.1 Pages.