Graph XY containing 5 parcels

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  Olivier

  It seems more difficult to describe in words than just after a simple example.  Simply click on the graphic to add sliders, drag them around as you wish and see the included points.  I used a 1-bit bitmap to detect the inner points and the draw several VI points for the polygon image.

  I sort the points so that the polygon is filled completely, form then, sometimes you see pass all of a sudden.  Not a complete solution, but a good start.

  

• Newbie - waveform graph axis graduation issue

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• Graphic problem

  Hello
   
  I dynamically change the speed of a motor in a pre-defined curve. The engine follows this curve by adjusting its speed constantly.
   
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• I need autoscaling on a graph XY to ignore a parcel

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  You could wirte your own automatic scale, but I think is easier to do something to change your horizontal line of a parcel of a cursor. You can use the list property of cursor or active (the control graph) the cursor property to control positioning and the color of the cursor, and you have not to worry ever its end points (there no).

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• Trace graph XY forever hiding other parcels

  Hello

  I use a graph XY draw certain limits. These limits are indicated by the plot 0 and parcel 2 , that's why I put them to "Fill in positive and negative infinity" respectively.

  It is, I now have another plot (trace 3) to display that fall into the 'limits' designed by plot 0 and 2. The result? Parcel 3 is covered almost entirely by the other plots with the "fill up to.." option.

  TL; DR: is there a way to make the plot 3 display along its length without being under the filling for x infinite plots?

  Current result:

  

  Expected result:

  

  Changing the order of the plots and setting limits to the end.

• Graph DVT does not meet width of full container

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• Jena adaptor: possible bug in Graph.contains)

  I get some weird failures in some test case after porting some existing Jena client code to use the Oracle back-end, and I think I've isolated to an apparent bug in the method GraphOracleSem.contains (node, node, node). The method does not appear to be triple existing, when one of the nodes is a URI that ends with a slash (' / '). I have the following test code:
  
  += == Java code trace start = +.
  FileInputStream fis = new FileInputStream("C:/test.owl");
  Chart GraphOracleSem = new GraphOracleSem (oracle, "TEST_MODEL");
  Model ModelOracleSem = new ModelOracleSem (graph);
  
  try {}
  model.enterCriticalSection (Lock.WRITE);
  Model.Read (fis, baseUri, "RDF/XML-ABBREV");
  Model.Commit ();
  } catch (Exception e) {}
  Model.Abort ();
  } {Finally
  model.leaveCriticalSection ();
  }
  
  Node n = Node.createURI ("http://www.example.com/test1/");
  If (graph.contains (n, Node.ANY, Node.ANY)) {}
  System.out.println ("found node:" + n);
  } else {}
  System.out.println ("did NOT find node:" + n);
  }
  
  n = Node.createURI ("http://www.example.com/test2");
  If (graph.contains (n, Node.ANY, Node.ANY)) {}
  System.out.println ("found node:" + n);
  } else {}
  System.out.println ("did NOT find node:" + n);
  }
  += == End Java code trace = +.
  
  And the following content to test.owl:
  += == File start OWL = +.
  <? XML version = "1.0" encoding = "UTF-8"? >
  < RDF: RDF
  xmlns:RDF = "http://www.w3.org/1999/02/22-rdf-syntax-ns#".
  xmlns:rdfs = 'http://www.w3.org/2000/01/rdf-schema# '.
  xmlns:OWL = 'http://www.w3.org/2002/07/owl#' >
  
  < owl: Ontology rdf: about = "http://www.example.com/test1/" >
  Test ontology < rdfs:label > < / rdfs:label >
  < rdfs:comment > an example of an OWL ontology. < / rdfs:comment >
  < / owl: Ontology >
  
  < owl: Ontology rdf: about = "http://www.example.com/test2" >
  Test ontology 2 < rdfs:label > < / rdfs:label >
  < rdfs:comment > another example of an OWL ontology. < / rdfs:comment >
  < / owl: Ontology >
  
  < / RDF: RDF >
  += == OWL file end = +.
  
  Execution of test code produces the following output:
  
  Did NOT find the node: http://www.example.com/test1/
  Found the node: http://www.example.com/test2
  
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  Thanks for your test case. I reproduced it myself. This is a corner-case bug in 2.0 adapter Jena. I already put in a small fix. Please email alan wu at oracle dot com dot so that you can check the fix yourself.

  See you soon,.

  Zhe Wu

• I need help with graph XY (about the colors of the parcels)

  Hi have a XY Chart on which I draw many plots. The number of these plots is VARIABLE, and I can't keep it fixed. The problem is that default Labview gives these parcels of DIFFERENT colors.

  My request is this: is it possible to force Labview to give me the SAME color for ALL plots without going to change them by hand from the Panel?

  And how? I spent a lot of time to understand for a long time, but I never able to do.

  Thanks in advance

  You must use property nodes.  See here.

• graph XY on the TAB container does not update

  Hello

  I have attached a simple VI, and I understand why I see this behavior:

  When I run the VI then the first tab is visible (where the xygraph is located), I get what I expect: I calculate the offsets, and I redraw the graph with the property node.

  But if I run the VI during the second page of the TAB is visible, I get a wrong result, the graph does not the calculation of the compensation and modification on the chart. (Table gives zero element)

  This means that, if my graphic is in a TAB page which is not displayed, I can't use its property nodes?

  Thanks for the help!

  Are yous because this for any node property or specifically the sliders?  You see the same behavior if you do the invisible Grpah XY but leave on tab 1.  It seems that the properties of cursors do not work correctly if the XY graph is not visible.  I consider cela a bug.

  How do you determine the values of the cursor?  A user highlights them, or their calculation and setting in?  If hardset or calculated at a given time, store the values of cursor and use them instead of watching the cursor property.

  If the user selects the, use the structure of the event to trigger an event when the user releases the cursor.  Get slider right there, store them and use these values.

• IM new to LabVIEW. Is it possible to send the signal to more than one parcel on a chart by using the value property of the graph node

  I'm new to LabVIEW. IAM trying to display two plots on a graph using the node property value charts. I tried to feed the two signals into a signal of fusion and then in the value property node, but it did not work. Then I tried to build a table of two signals and it powers the value of hardware node. It did not work. What escapes me, should I use the node property value this way?

  
  

• Graph.DefaultPlotRenderers.ReplaceAll () does not change to GUI

  WPF C#

  Hello

  I don't know what I'm doing DefaultPlotRenderers example provided with NEITHER Studio differenly.  I see in the debugger that DefaultPlotRenderers object contains nothing or my custom settings (based on the option that select).  This is what it looks like the debugger in the example of OR.

  Here is my code and any help would be appreciated to greately.

  using System;
  
  using System.Collections.Generic;
  
  using System.ComponentModel;
  
  using System.Linq;
  
  using System.Text;
  
  using System.Threading.Tasks;
  
  using System.Windows;
  
  using System.Windows.Controls;
  
  using System.Windows.Data;
  
  using System.Windows.Documents;
  
  using System.Windows.Input;
  
  using System.Windows.Media;
  
  using System.Windows.Media.Imaging;
  
  using System.Windows.Shapes;
  
  using NationalInstruments.Controls;
  
  using NationalInstruments.Controls.Primitives;
  
  using NationalInstruments.Controls.Rendering;
  namespace FireflyMmwDiagnostics
  
  {
  
      partial class GraphLinear: window, INotifyPropertyChanged
  
      {
  
          Private bool m_includeMarkers = true;
  
          public boolean IncludeMarkers
  
          {
  
              get {return m_includeMarkers ;}
  
              Set {m_includeMarkers = value; OnPropertyChanged ("IncludeMarkers"); }
  
          }
  Public Overridable event PropertyChangedEventHandler PropertyChanged;
  
          public virtual void OnPropertyChanged (string name)
  
          {
  
              Manager PropertyChangedEventHandler = PropertyChanged;
  
              If (Manager! = null)
  
              {
  
                  Manager new (EC, PropertyChangedEventArgs (name));
  
              }
  
          }
  
          Private readonly PlotRendererCollection PlotRendererCollectionWithMarkers = new PlotRendererCollection();
  public GraphLinear()
  
          {
  
              InitializeComponent();
  DataContext = this;
  
          }
  public void AddData (list of data )
  
          {
  
              T [---] arrayData = new T [data. County, data [0]. Length];
  
  < data.count;="">
  
              {
  
                  Create the plot object
  
                  AddPlotToGraph (data [conspiracy]. Length, "");
  Convert the list to a table
  
                  < data[plot].length;="">
  
                      arrayData [field, point] = data [conspiracy] [point];
  
              }
  Assign data
  
              Graph.DataSource = arrayData;
  
          }
  ' Private Sub AddPlotToGraph (dataSize int, string label)
  
          {
  
              Brush brush = Utility.RandomBrush ();
  
              ChartCollection chartCollection = new ChartCollection(dataSize);
  
              Plot = new Plot (label);
  
              LinePlotRenderer linePlotRenderer = new LinePlotRenderer() {Stroke = brush, StrokeThickness = 2};
  
              LinePlotRenderer linePlotRenderer2 = new LinePlotRenderer() {Stroke = brush, StrokeThickness = 8};
  
  PlotRendererCollectionWithMarkers.Add (linePlotRenderer2); Store away alternating plot setting
  parcel of land. Renderer = linePlotRenderer;
  
              Graph.Plots.Add (plot);
  
          }
  ' private void CheckBoxIncludeMarkers_Click (object sender, RoutedEventArgs e)
  
          {
  
              If (IncludeMarkers)
  
                  Graph.DefaultPlotRenderers.ReplaceAll (PlotRendererCollectionWithMarkers);
  
              on the other
  
                  Graph.DefaultPlotRenderers.Clear ();
  
          }

       This is an excerpt from another class where I make a call to show this graph...
  
  GraphLinear graphLinear = new GraphLinear();
  
  graphLinear.AddData (listOfSmaData);
  
  graphLinear.Show ();

  If you need the motor field set, and then manually update render rendering on all parcels engines would be the way to go.

  If you leave the field undefined rendering engine, you could switch between two groups of default field rendering (i.e. to save both linePlotRenderer and linePlotRenderer2 in the collections and the Manager of the box update with a collection or another).

• Read from worksheet and chart several XY graph

  I'm reading a text file by using the function "reading worksheet. Then, I want to plot the data on a single graph XY.

  The text file contains 4 coloums and the first coloumn is X axis and the rest are for Y axis. I'm not able to get the multiple locations.

  However, I could get it to draw when only one chart must be drawn (only 2 coloumn in the file). I have attached my VI and a photo here.

  

  I need help to draw several graph XY of the text file with 4 columns.

  Hi Bachna,

  You need to build an array of clusters in several locations on a xy chart. You have created a cluster for a parcel. Again, you try to build a similar clusters for several plots.

  Kind regards

  SrikrishnaNF