https://forums.autodesk.com/t5/autocad-forum/draw-contour-lines-from-xyz-data/m-p/10417114#M75568 <P>This can be done using <STRONG>AutoCAD Civil 3D</STRONG>.</P><P>You must first bring the excel data as Points, then create a surface - see links.&nbsp;</P><P><A href="https://knowledge.autodesk.com/support/civil-3d/learn-explore/caas/sfdcarticles/sfdcarticles/How-to-import-points-from-Excel-into-Civil-3D.html" target="_blank">https://knowledge.autodesk.com/support/civil-3d/learn-explore/caas/sfdcarticles/sfdcarticles/How-to-import-points-from-Excel-into-Civil-3D.html</A></P><P>&nbsp;</P><P><A href="https://knowledge.autodesk.com/support/civil-3d/learn-explore/caas/CloudHelp/cloudhelp/2020/ENU/Civil3D-UserGuide/files/GUID-B5E1E070-3205-4D50-A4B1-614A84327CFF-htm.html" target="_blank">https://knowledge.autodesk.com/support/civil-3d/learn-explore/caas/CloudHelp/cloudhelp/2020/ENU/Civil3D-UserGuide/files/GUID-B5E1E070-3205-4D50-A4B1-614A84327CFF-htm.html</A></P><P>&nbsp;</P><P>After importing the points, choose the right format from the Surface &gt;Definition &gt;Points Files "Add" option.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="valentin_1-1624530040348.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/934008i9BCFAAFA96834C9E/image-size/medium?v=v2&amp;px=400" role="button" title="valentin_1-1624530040348.png" alt="valentin_1-1624530040348.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="valentin_0-1624529873219.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/934007i760F12906BC26AEB/image-size/medium?v=v2&amp;px=400" role="button" title="valentin_0-1624529873219.png" alt="valentin_0-1624529873219.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 24 Jun 2021 10:22:58 GMT Valentin_CAD 2021-06-24T10:22:58Z https://forums.autodesk.com/t5/autocad-forum/draw-contour-lines-from-xyz-data/m-p/10416752#M75567 <P>Hi guys,</P><P>&nbsp;</P><P>I have a bunch of X,Y,Z points, see attachment.</P><P>And I am wondering how to make contour lines using the data.<BR />Any advice?</P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 24 Jun 2021 07:36:38 GMT https://forums.autodesk.com/t5/autocad-forum/draw-contour-lines-from-xyz-data/m-p/10416752#M75567 Anonymous 2021-06-24T07:36:38Z https://forums.autodesk.com/t5/autocad-forum/draw-contour-lines-from-xyz-data/m-p/10417114#M75568 <P>This can be done using <STRONG>AutoCAD Civil 3D</STRONG>.</P><P>You must first bring the excel data as Points, then create a surface - see links.&nbsp;</P><P><A href="https://knowledge.autodesk.com/support/civil-3d/learn-explore/caas/sfdcarticles/sfdcarticles/How-to-import-points-from-Excel-into-Civil-3D.html" target="_blank">https://knowledge.autodesk.com/support/civil-3d/learn-explore/caas/sfdcarticles/sfdcarticles/How-to-import-points-from-Excel-into-Civil-3D.html</A></P><P>&nbsp;</P><P><A href="https://knowledge.autodesk.com/support/civil-3d/learn-explore/caas/CloudHelp/cloudhelp/2020/ENU/Civil3D-UserGuide/files/GUID-B5E1E070-3205-4D50-A4B1-614A84327CFF-htm.html" target="_blank">https://knowledge.autodesk.com/support/civil-3d/learn-explore/caas/CloudHelp/cloudhelp/2020/ENU/Civil3D-UserGuide/files/GUID-B5E1E070-3205-4D50-A4B1-614A84327CFF-htm.html</A></P><P>&nbsp;</P><P>After importing the points, choose the right format from the Surface &gt;Definition &gt;Points Files "Add" option.</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="valentin_1-1624530040348.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/934008i9BCFAAFA96834C9E/image-size/medium?v=v2&amp;px=400" role="button" title="valentin_1-1624530040348.png" alt="valentin_1-1624530040348.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P><span class="lia-inline-image-display-wrapper lia-image-align-inline" image-alt="valentin_0-1624529873219.png" style="width: 400px;"><img src="https://forums.autodesk.com/t5/image/serverpage/image-id/934007i760F12906BC26AEB/image-size/medium?v=v2&amp;px=400" role="button" title="valentin_0-1624529873219.png" alt="valentin_0-1624529873219.png" /></span></P><P>&nbsp;</P><P>&nbsp;</P><P>&nbsp;</P> Thu, 24 Jun 2021 10:22:58 GMT https://forums.autodesk.com/t5/autocad-forum/draw-contour-lines-from-xyz-data/m-p/10417114#M75568 Valentin_CAD 2021-06-24T10:22:58Z