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Show (control) points for a mesh

June 8, 2018, 2:28 pm
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WPF and Rhino3dmIO

June 8, 2018, 7:05 pm
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@tsiddikee wrote:

It is bit off topic.
I want to use Rhino3dIO in WPF.
In RhinoCommon plugin I have mesh simulation with thousands of polygon, points and Lines.
I want to generate same geometry in WPF. So guess I need to use Rhino3dmIO.
and System.Windows.Media.Media3D;

Please give me some basic idea, how I can tie them up.
I need to create a communication between Rhino3dmIO geometry class and System.Windows.Media.Media3D . Should I use System.ICloneable, the way HelixToolKit inplemented for the Mesh reading as attached Mesh3D.cs . I guess I need to read back Rhino3dmIO mesh to System.Windows.Media.Media3D and then read in WPF.

If I am wrong then please give me some idea, how I can make the communication between two.
.Mesh3D.cs (17.4 KB)

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Screen Capture All Viewports

June 10, 2018, 2:43 am
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Updating coodinates of lines

June 11, 2018, 5:37 am
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@Manuel wrote:

Hi,

I have a huge collection of lines in Rhino forming a network. I would like to update their start and end points based on a list of new coordinates for their start and end points. So far I am deleting all line objects and creating new ones with the new coordinates given. All other attributes such as object name and colour should remain the same. However this is rather slow. How can I avoid creating new line objects but only updating their start and end points.

I am using RhinoCommon and python.

Thanks
M

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Move mesh vertices for a Conduit-drawn mesh

June 11, 2018, 5:52 am
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@Dmitriy wrote:

Hi,

Basically question is given in the header.
Looking for the same functionality to activate control points and move them but for mesh which is not existing in the Rhino document.

Thanks,
Dmitriy

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Get objects in a boundary, is it possible?

June 11, 2018, 6:05 am
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@stjackin wrote:

Hi guys. I have a pointcloud with thousands points. Now I want to get some points in a regoin such as a boundary object. I do not want to do it by hand, because I have to do it thousand times. Is there any method I can use in rhinocommon or rhino.net ? I have check the objectTable object, it has a boundary property for all objects. I wonder If it is possible to get object by specify a certain boundary object, then we can get all objects in the boundary.
Any response is appricated.

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Windows Error deleting logfile

June 11, 2018, 8:09 am
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@Willem wrote:

Hi,

Not specific Rhino related maybe, but I run into an issue where a folder and/or file remain locked after running a series of python scripts.

I’m using the Logging module to write a logfile during the runtime of the script.
However if I run the script again, I cannot delete the folder the logfile is in.
Even in Windows explorer I’m not allowed to delete the log file.

What is strange is that it appears that ‘after some time’ I am able to delete the file, as if Windows is holding it locked for some time before releasing it.

Can someone point me in the right direction how to tackle this? it’s unfamiliar terrain for me. How would I find the cause and proper solution to force windows to release/delete a folder?

Thanks
-Willem

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SrfPtGrid from VB.net to Rhino HELP ME!

June 12, 2018, 1:59 am
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@t.egger wrote:

Hello, i use the following code to build surfaces in Rhino3 with VB6. Now i try to build this in vb.net to Rhino 5. Functions like “draw i line” to Rhino 5 works very well. But in vb.net don`t exist the funktion “array” and i am not experienced enough to translate this in vb.net. Can you help me???

         Dim Rhino As Object
        Dim RhinoScript As Object
        Dim arrCount(1), arrPoints(), arrClosed(1), arrDegree(1), nCount, flächY, flächX

        Set Rhino = CreateObject("Rhino3.Application")
        Set RhinoScript = Rhino.GetScriptObject()
        arrCount(0) = 10
        arrCount(1) = 10
        arrDegree(0) = 1
        arrDegree(1) = 1
        arrClosed(0) = vbFalse
        arrClosed(1) = vbFalse
        nCount = 0
            For flächY = 0 To arrCount(0) - 1
                For flächX = 0 To arrCount(1) - 1
                    arrPoints(nCount) = Array(flächX, flächY, 2)
                    nCount = nCount + 1
                Next flächX
            Next flächY
        RhinoScript.AddSrfPtGrid arrCount, arrPoints
        Set RhinoScript = Nothing
        Set Rhino = Nothing

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Curve.DuplicateSegments(self: Curve) returns empty array

June 12, 2018, 3:18 am
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Add UserData: Object Reference not set to the instance of an object

June 12, 2018, 3:47 am
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@Dmitriy wrote:

Hi, I got this error when add UserData to the attributes of the object.

System.NullReferenceException: Object reference not set to an instance of an object.
   at Rhino.DocObjects.Custom.UserData.NonConstPointer(Boolean createIfMissing)
   at Rhino.DocObjects.Custom.UserDataList.Add(UserData userdata)

I am following this sample

MyUserData class is inherited from DocObjects.Custom.UserData

I am adding user data directly to the attributes of RhinoObject:
robj.Attributes.UserData.Add(MyUserData)

Where can be the problem?

Thanks,
Dmitriy

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Viewport ready event?

June 12, 2018, 12:37 pm
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@D-W wrote:

I need to run own conduit as soon as only current doc viewport is ready for viewing stuff - is there any internal event which i can use for that ?? EndOpenDocumentInitialiViewUpdate is almost what i need it only don’t apply when user pick no template and new document handler dont solve viewport readiness for custom conduit handling cause theres still no viewport when this handler fires off. Any ideas?

Besides when i enable conduit at EndOpenDocumentInitialiViewUpdate no other conduit shows up later so something is clearly wrong here. Maybe @nathanletwory you know where i should hook with my custom conduit ?

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How to verify the presence of Acad Export Scheme?

June 12, 2018, 1:20 pm
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@Willem wrote:

Hi,

Is there a straightforward way to find all available Export Schemes for dxf/dwg?
It seems no longer stored in the registry, or I’m searching in the wrong place.

Thanks
-Willem

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Export Script

June 13, 2018, 3:28 am
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@gabriele.ditrapani wrote:

Hi all,

I am new in programming and I would like to make this procedure automatic.
My goal is to write a script to export a group of surfaces (in iges) with their layer names and colour.
Do anyone have any suggestion please?

Cheers
Gabriele

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RhinoCommon: Event Watcher for specific GUID

June 13, 2018, 9:41 am
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@Dmitriy wrote:

Hi,
Two questions:

  1. Is it possible to register Event Watcher for specific GUID?
  2. Is it possible to recognize movement of the control point (for curve, surface or mesh) and not general modification (translation, rotation and etc)

Thanks,
Dmitriy

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C# Windows Forms that can be added to the dockbar?

June 13, 2018, 2:23 pm
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@jake1 wrote:

Hello All,

I am trying to make a window in rhino that is dockable.
So far, I can only get floating windows.form to show up.

I can’t seem to find a good C# tutorial.
If you have any suggestions, please let me know.

Thanks,
Jake

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WPF Host on v5 vs v6 - wpf in v5 look weird

June 13, 2018, 2:42 pm
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Tracking edits in Rhino?

June 13, 2018, 10:57 pm
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@rnjthmhnkl wrote:

I am trying to track changes made to Rhino objects by the user. Does Rhino employ transactions or anything similar when the file is edited ? Is there anyway I can track changes or retrieve the history of changes ?

The best I found so far are UndoRecords. I see the methods to begin and end undo records etc. but how can I access these records to see what has been done?

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Numpy/Scipy for IronPython in Rhino 5 (64-bit)

June 14, 2018, 3:21 am
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@PohNee wrote:

Hi,

We have a working Rhino plugin that is developed using C#. It was targeted to run on Rhino 5 (32-bit).
Everything works fine and right now, we are working on migrating the plugin to run on Rhino 5 (64-bit).
One of the issue that we encounter is that a call to python script via Rhino.Runtime.PythonCompiledCode is throwing exception: “Could not add reference to assembly mtrand”.

After some googling, I found a post mentioning that numpy/scipy for IronPython will only run in 32bit applications on Windows (https://stevebaer.wordpress.com/2011/06/27/numpy-and-scipy-in-rhinopython/). This post dated back to 2011.

Does anyone know if this is still true? and if yes, is there any workaround?

Thank you,
Poh Nee

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Language for a beginner wishing extend UI Rh and Gh

June 14, 2018, 6:19 am
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@kitjmv wrote:

I would like to make simple panels with standard checkbox, button, etc …

I know PHP, NodeJs and i write little in C, but I do not know the .Net framework and i just started with python.

I think the best choice for me is Python and Eto but I have questions about it with Rhino 6

  • RhPython and GhPython can now write plugins ? (Yes, I found)
  • Can they access all Rh and Gh components in .Net SDK ?
  • Is it recommended to use Eto than Winforms?
  • Do you advise me to learn .NET?

To understand what I need to access is an example:

image
image.png617x773 60.3 KB

My panel must be a wrapper around commands.
Then, depending on the options chosen, execute the appropriate command or the function of the SDK

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Custom Eto Control inside a global class

June 14, 2018, 10:11 am
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@kitjmv wrote:

Hello

I Have test a custom Eto Panel inside a global class

public class EtoHelper
{
    // ... static methods ...
    [System.Runtime.InteropServices.Guid("9A5396ED-C99B-42C6-8712-F288AF470947")]
    public class RhPanel : Panel, System.Windows.Forms.IWin32Window
    {
        public RhPanel() { /*....*/ }
    }
}

and I have an error: “need a constructor with uint, Rhino or no parameters”
but if I remove the static method and change the global class by a namespace all is ok.

namespace EtoHelper
{
    [System.Runtime.InteropServices.Guid("9A5396ED-C99B-42C6-8712-F288AF470947")]
    public class RhPanel : Panel, System.Windows.Forms.IWin32Window
    {
        public RhPanel() { /*....*/ }
    }
}

Is this normal?
my code take the template of @dale : https://github.com/dalefugier/SampleCsEto/blob/master/Views/SampleCsEtoPanel.cs

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