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    <title>topic Betreff: Change Degrees or Curvature or Continuity G0, G1, G2, G3 from a Curve with API in Inventor Programming - iLogic, Macros, AddIns &amp; Apprentice</title>
    <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/change-degrees-or-curvature-or-continuity-g0-g1-g2-g3-from-a/m-p/12314736#M159219</link>
    <description>&lt;P&gt;Correct me if im wrong, maybe i understand here something wrong.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I want to reach a Goal something like this:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="florian_wenzel_2-1697644127031.png" style="width: 600px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1280811iD35CBADC4E5592AF/image-size/medium?v=v2&amp;amp;px=400" role="button" title="florian_wenzel_2-1697644127031.png" alt="florian_wenzel_2-1697644127031.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;and now i realize, that i need 2 ControlPoints and it will Solve the Problem &lt;img class="lia-deferred-image lia-image-emoji" src="https://forums.autodesk.com/html/@B4D44A73814D7FC0D950DEDFACB97081/emoticons/1f642.png" alt=":slightly_smiling_face:" title=":slightly_smiling_face:" /&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Question, is Possible to get a Result like the Red Curve, but only with One ControlPoint ?&lt;/P&gt;&lt;P&gt;Even Changing the G3 to G2 or G1, will change here Something, when i have 3 Points as Input?&lt;/P&gt;&lt;P&gt;I mean, StartPoint, EndPoint and One ControlPoint.&lt;/P&gt;&lt;P&gt;Or is this so, that since i will have minimum 2 ControlPoints, it will have a influance the G3 or G2 or G1?&lt;/P&gt;</description>
    <pubDate>Wed, 18 Oct 2023 15:56:43 GMT</pubDate>
    <dc:creator>florian_wenzel</dc:creator>
    <dc:date>2023-10-18T15:56:43Z</dc:date>
    <item>
      <title>Change Degrees or Curvature or Continuity G0, G1, G2, G3 from a Curve with API</title>
      <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/change-degrees-or-curvature-or-continuity-g0-g1-g2-g3-from-a/m-p/12314673#M159218</link>
      <description>&lt;P&gt;Hi,&lt;/P&gt;&lt;P&gt;Inventor 2024&lt;/P&gt;&lt;P&gt;API Visual Studio C# or VB.NET&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;i have a Question,&amp;nbsp; is there a way to modify or change the Curvature of the Curve.&lt;/P&gt;&lt;P&gt;I think in Inventor as Default is G3, correct me if im wrong.&lt;/P&gt;&lt;P&gt;Is there a Way to Change this for example to G2 or G1 etc...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I was found nothing in CurveEvaluator and etc...&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="florian_wenzel_0-1697642608906.png" style="width: 600px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1280789i72FB8463AFAF9DAC/image-size/medium?v=v2&amp;amp;px=400" role="button" title="florian_wenzel_0-1697642608906.png" alt="florian_wenzel_0-1697642608906.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;here some Links:&amp;nbsp;&lt;A href="https://cadsetterout.com/inventor-tutorials/surface-curvature-comb-graphs/" target="_blank" rel="noopener"&gt;Autodesk Inventor 2D surface curvature comb graphs (cadsetterout.com)&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&lt;A href="https://www.youtube.com/watch?v=LySx2At5yZs" target="_blank"&gt;https://www.youtube.com/watch?v=LySx2At5yZs&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Code:&lt;/P&gt;&lt;P&gt;// only begining&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;LI-CODE lang="csharp"&gt;using Inventor;
using System;
using System.IO;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Microsoft.Win32;
using System.Runtime.CompilerServices;
using System.Runtime.InteropServices;
using System.Windows.Forms;
using InvAddIn;
using Part_Code_CS;


namespace InvAddIn
{
    internal class CommandFunctionButton_18
    {
        public static void CommandFunctionfweButton_18()
        {
            PartDocument oPartDoc = (PartDocument)Globals.g_inventorApplication.ActiveDocument;
            PartComponentDefinition oCompDef = oPartDoc.ComponentDefinition;
            TransientGeometry oTG = Globals.g_inventorApplication.TransientGeometry;
            TransientObjects oTO = Globals.g_inventorApplication.TransientObjects;
            TransientBRep oBRep = Globals.g_inventorApplication.TransientBRep;
            MeasureTools oMeasureTools = Globals.g_inventorApplication.MeasureTools;
            CommandManager oCommandManager = Globals.g_inventorApplication.CommandManager;

            Sketch3D oSketch_A = oCompDef.Sketches3D.Add();
            Sketch3D oSketch_B = oCompDef.Sketches3D.Add();

            Point oPoint_A = oTG.CreatePoint(1, 4, 0);
            Point oPoint_B = oTG.CreatePoint(4, 1, 0);
            Point oPoint_C = oTG.CreatePoint(1, 1, 0);

            ObjectCollection oObjColl = oTO.CreateObjectCollection();
            oObjColl.Add(oPoint_A);
            oObjColl.Add(oPoint_C);
            oObjColl.Add(oPoint_B);

            SketchControlPointSpline3D oSpline = oSketch_A.SketchControlPointSplines3D.Add(oObjColl);
            BSplineCurve oBSplineCurve = oSpline.Geometry;
            CurveEvaluator oCurveEvaluator = oBSplineCurve.Evaluator;

        }
    }
}&lt;/LI-CODE&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Thanks for any Sugestion&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Wed, 18 Oct 2023 15:35:59 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/inventor-programming-ilogic/change-degrees-or-curvature-or-continuity-g0-g1-g2-g3-from-a/m-p/12314673#M159218</guid>
      <dc:creator>florian_wenzel</dc:creator>
      <dc:date>2023-10-18T15:35:59Z</dc:date>
    </item>
    <item>
      <title>Betreff: Change Degrees or Curvature or Continuity G0, G1, G2, G3 from a Curve with API</title>
      <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/change-degrees-or-curvature-or-continuity-g0-g1-g2-g3-from-a/m-p/12314736#M159219</link>
      <description>&lt;P&gt;Correct me if im wrong, maybe i understand here something wrong.&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I want to reach a Goal something like this:&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&lt;span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="florian_wenzel_2-1697644127031.png" style="width: 600px;"&gt;&lt;img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1280811iD35CBADC4E5592AF/image-size/medium?v=v2&amp;amp;px=400" role="button" title="florian_wenzel_2-1697644127031.png" alt="florian_wenzel_2-1697644127031.png" /&gt;&lt;/span&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;&amp;nbsp;and now i realize, that i need 2 ControlPoints and it will Solve the Problem &lt;img class="lia-deferred-image lia-image-emoji" src="https://forums.autodesk.com/html/@B4D44A73814D7FC0D950DEDFACB97081/emoticons/1f642.png" alt=":slightly_smiling_face:" title=":slightly_smiling_face:" /&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;Question, is Possible to get a Result like the Red Curve, but only with One ControlPoint ?&lt;/P&gt;&lt;P&gt;Even Changing the G3 to G2 or G1, will change here Something, when i have 3 Points as Input?&lt;/P&gt;&lt;P&gt;I mean, StartPoint, EndPoint and One ControlPoint.&lt;/P&gt;&lt;P&gt;Or is this so, that since i will have minimum 2 ControlPoints, it will have a influance the G3 or G2 or G1?&lt;/P&gt;</description>
      <pubDate>Wed, 18 Oct 2023 15:56:43 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/inventor-programming-ilogic/change-degrees-or-curvature-or-continuity-g0-g1-g2-g3-from-a/m-p/12314736#M159219</guid>
      <dc:creator>florian_wenzel</dc:creator>
      <dc:date>2023-10-18T15:56:43Z</dc:date>
    </item>
    <item>
      <title>Re: Change Degrees or Curvature or Continuity G0, G1, G2, G3 from a Curve with API</title>
      <link>https://forums.autodesk.com/t5/inventor-programming-ilogic/change-degrees-or-curvature-or-continuity-g0-g1-g2-g3-from-a/m-p/12317018#M159274</link>
      <description>&lt;P&gt;I'm not sure you can modify the&amp;nbsp;&lt;A href="https://help.autodesk.com/view/INVNTOR/2023/ENU/?guid=GUID-0A3B1F93-4FE0-42CA-99E7-DA3B188191E9" target="_blank"&gt;SketchControlPointSpline&lt;/A&gt; when position of control points are fully constrained.&lt;/P&gt;&lt;P&gt;Possible solution can be when you use&amp;nbsp;&lt;A href="https://help.autodesk.com/view/INVNTOR/2023/ENU/?guid=GUID-01DEE5FA-2E40-49BF-80AF-1B38E96D23EA" target="_blank"&gt;SketchSpline&lt;/A&gt; instead. Then you can &lt;A href="https://help.autodesk.com/view/INVNTOR/2023/ENU/?guid=GUID-4A74B6DA-4E7C-485B-ACF8-B5CFA2336992" target="_blank"&gt;get point handles&lt;/A&gt; and edit them as you need.&lt;/P&gt;</description>
      <pubDate>Thu, 19 Oct 2023 13:54:35 GMT</pubDate>
      <guid>https://forums.autodesk.com/t5/inventor-programming-ilogic/change-degrees-or-curvature-or-continuity-g0-g1-g2-g3-from-a/m-p/12317018#M159274</guid>
      <dc:creator>Michael.Navara</dc:creator>
      <dc:date>2023-10-19T13:54:35Z</dc:date>
    </item>
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