topic 3D Points into a Polyline (3D or 2D) in ArcMap Questions https://community.esri.com/t5/arcmap-questions/3d-points-into-a-polyline-3d-or-2d/m-p/308762#M709 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>i have a large amount of 3D points that represent several (separate) linear elements. This means that these points partly have the similar/(same) x,y - coordinates and differ only in the height (z) (like power lines). But the single points have no relation to each other, i.e. the left point knows nothing about its right point or other points. Using the <EM>Near function</EM> I could only find the nearest point, but not the point on the other side of the point. My goal now is to create a single line for each line-like element. In the beginning I tried to do this with the <EM>point2Line</EM> command, but the line was quite crisscross, so I tried to correct this with a small <EM>buffer</EM>. The next step would be to generate a centerline of this polygon, but ArcGIS does not seem to support the generation of a centerline from closed polygons.</P><P></P><P>Is there a way to create a polyline from 3D points with ArcGIS? A 2D line would be one approach, because then I could work it with this&nbsp;<A _jive_internal="true" href="https://community.esri.com/groups/3d-mapping/blog/2018/10/26/how-to-create-3d-lines-from-2d-points-with-an-elevation-attribute">tutorial</A> from next.</P></BODY></HTML> Tue, 28 Apr 2020 15:38:12 GMT AlfonsZitterbacke 2020-04-28T15:38:12Z 3D Points into a Polyline (3D or 2D) https://community.esri.com/t5/arcmap-questions/3d-points-into-a-polyline-3d-or-2d/m-p/308762#M709 <HTML><HEAD></HEAD><BODY><P>Hello,</P><P>i have a large amount of 3D points that represent several (separate) linear elements. This means that these points partly have the similar/(same) x,y - coordinates and differ only in the height (z) (like power lines). But the single points have no relation to each other, i.e. the left point knows nothing about its right point or other points. Using the <EM>Near function</EM> I could only find the nearest point, but not the point on the other side of the point. My goal now is to create a single line for each line-like element. In the beginning I tried to do this with the <EM>point2Line</EM> command, but the line was quite crisscross, so I tried to correct this with a small <EM>buffer</EM>. The next step would be to generate a centerline of this polygon, but ArcGIS does not seem to support the generation of a centerline from closed polygons.</P><P></P><P>Is there a way to create a polyline from 3D points with ArcGIS? A 2D line would be one approach, because then I could work it with this&nbsp;<A _jive_internal="true" href="https://community.esri.com/groups/3d-mapping/blog/2018/10/26/how-to-create-3d-lines-from-2d-points-with-an-elevation-attribute">tutorial</A> from next.</P></BODY></HTML> Tue, 28 Apr 2020 15:38:12 GMT https://community.esri.com/t5/arcmap-questions/3d-points-into-a-polyline-3d-or-2d/m-p/308762#M709 AlfonsZitterbacke 2020-04-28T15:38:12Z