https://forums.autodesk.com/t5/net-forum/c-reduce-simplify-polyline-vertices/m-p/11074688#M13315 <P>Hi,</P> <P>You should have a look at <A href="https://forums.autodesk.com/t5/net/remove-colinear-vertices-polyline/m-p/10756589/highlight/true#M70913" target="_blank" rel="noopener">this reply</A>.</P> <P>&nbsp;</P> <DIV id="702fddc6-541f-41c6-bb57-55136b83b9d4" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/702fddc6-541f-41c6-bb57-55136b83b9d4"></IFRAME></DIV> <DIV id="fe82371e-3309-4edf-8de0-31fd96b8bf0b" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" 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id="08dc985c-b786-454a-8966-3a43493c012d" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/08dc985c-b786-454a-8966-3a43493c012d"></IFRAME></DIV> <DIV id="d10aa2a9-285f-47c4-b7b8-fb4810cc809d" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/d10aa2a9-285f-47c4-b7b8-fb4810cc809d"></IFRAME></DIV> <DIV id="d347fed6-1f93-4cf8-958c-5ec9158d196a" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/d347fed6-1f93-4cf8-958c-5ec9158d196a"></IFRAME></DIV> <DIV id="1d45c8d5-a4a9-402d-9cae-8aba72de329b" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/1d45c8d5-a4a9-402d-9cae-8aba72de329b"></IFRAME></DIV> <DIV id="b6ba8d47-4998-4765-b4ea-8bfa6acfe6cc" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/b6ba8d47-4998-4765-b4ea-8bfa6acfe6cc"></IFRAME></DIV> <DIV id="b40500d5-efcf-4617-90b3-9bc878c79639" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/b40500d5-efcf-4617-90b3-9bc878c79639"></IFRAME></DIV> <DIV id="bac4e3e6-75a8-4952-b1f2-40ff899982bf" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/bac4e3e6-75a8-4952-b1f2-40ff899982bf"></IFRAME></DIV> Thu, 31 Mar 2022 18:27:56 GMT _gile 2022-03-31T18:27:56Z https://forums.autodesk.com/t5/net-forum/c-reduce-simplify-polyline-vertices/m-p/11074652#M13314 <P>Hello.<BR /><BR />I would like to reduce the unnecessary vertices of a Polyline. Like the vertices that are highlighted in red in the image below.</P><P>&nbsp;</P><P>Does anyone have an efficient solution?</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="cadVDJ3M_0-1648750168486.png" style="width: 600px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/1048854iFF48EEEB657149E6/image-size/medium?v=v2&amp;px=400" role="button" title="cadVDJ3M_0-1648750168486.png" alt="cadVDJ3M_0-1648750168486.png" /></span></P><P><BR />I think of going through all the vertices checking the angle, and when it matches I could remove a vertex. But I think it would have problems in case of arcs.<BR /><BR />Thank you.</P> Thu, 31 Mar 2022 18:12:08 GMT https://forums.autodesk.com/t5/net-forum/c-reduce-simplify-polyline-vertices/m-p/11074652#M13314 cadVDJ3M 2022-03-31T18:12:08Z https://forums.autodesk.com/t5/net-forum/c-reduce-simplify-polyline-vertices/m-p/11074688#M13315 <P>Hi,</P> <P>You should have a look at <A href="https://forums.autodesk.com/t5/net/remove-colinear-vertices-polyline/m-p/10756589/highlight/true#M70913" target="_blank" rel="noopener">this reply</A>.</P> <P>&nbsp;</P> <DIV id="702fddc6-541f-41c6-bb57-55136b83b9d4" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/702fddc6-541f-41c6-bb57-55136b83b9d4"></IFRAME></DIV> <DIV id="fe82371e-3309-4edf-8de0-31fd96b8bf0b" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/fe82371e-3309-4edf-8de0-31fd96b8bf0b"></IFRAME></DIV> <DIV id="ba7bf341-61c8-4706-8b03-03cd34bddbc4" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="590" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/ba7bf341-61c8-4706-8b03-03cd34bddbc4"></IFRAME></DIV> <DIV id="8712cedf-d57d-4750-a2c8-89e1410f3301" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" 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id="d347fed6-1f93-4cf8-958c-5ec9158d196a" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/d347fed6-1f93-4cf8-958c-5ec9158d196a"></IFRAME></DIV> <DIV id="1d45c8d5-a4a9-402d-9cae-8aba72de329b" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/1d45c8d5-a4a9-402d-9cae-8aba72de329b"></IFRAME></DIV> <DIV id="b6ba8d47-4998-4765-b4ea-8bfa6acfe6cc" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/b6ba8d47-4998-4765-b4ea-8bfa6acfe6cc"></IFRAME></DIV> <DIV id="b40500d5-efcf-4617-90b3-9bc878c79639" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/b40500d5-efcf-4617-90b3-9bc878c79639"></IFRAME></DIV> <DIV id="bac4e3e6-75a8-4952-b1f2-40ff899982bf" class="myscreencast-iframe iframe-container" style="display: none;"><IFRAME width="640" height="620" frameborder="0" scrolling="no" allowfullscreen="allowfullscreen" webkitallowfullscreen="webkitallowfullscreen" data-src="https://screencast.autodesk.com/Embed/Timeline/bac4e3e6-75a8-4952-b1f2-40ff899982bf"></IFRAME></DIV> Thu, 31 Mar 2022 18:27:56 GMT https://forums.autodesk.com/t5/net-forum/c-reduce-simplify-polyline-vertices/m-p/11074688#M13315 _gile 2022-03-31T18:27:56Z https://forums.autodesk.com/t5/net-forum/c-reduce-simplify-polyline-vertices/m-p/11074696#M13316 Perfect... Thank you.. Thu, 31 Mar 2022 18:32:23 GMT https://forums.autodesk.com/t5/net-forum/c-reduce-simplify-polyline-vertices/m-p/11074696#M13316 cadVDJ3M 2022-03-31T18:32:23Z