topic Clip or constrain TIN to inside polygon? in 3D Questions https://community.esri.com/t5/3d-questions/clip-or-constrain-tin-to-inside-polygon/m-p/735910#M4432 <HTML><HEAD></HEAD><BODY><SPAN>I am using ArcGIS 10.2.1.</SPAN><BR /><BR /><SPAN>I have elevation contour lines.</SPAN><BR /><BR /><SPAN>I have clipped these contours to one area where I want to create a TIN.</SPAN><BR /><BR /><SPAN>I have outlined the area I want to generate a TIN with a polygon. </SPAN><BR /><BR /><SPAN>How do I constrain the TIN creation to only inside this polygon?</SPAN></BODY></HTML> Thu, 06 Mar 2014 15:59:44 GMT TimHayes 2014-03-06T15:59:44Z Clip or constrain TIN to inside polygon? https://community.esri.com/t5/3d-questions/clip-or-constrain-tin-to-inside-polygon/m-p/735910#M4432 <HTML><HEAD></HEAD><BODY><SPAN>I am using ArcGIS 10.2.1.</SPAN><BR /><BR /><SPAN>I have elevation contour lines.</SPAN><BR /><BR /><SPAN>I have clipped these contours to one area where I want to create a TIN.</SPAN><BR /><BR /><SPAN>I have outlined the area I want to generate a TIN with a polygon. </SPAN><BR /><BR /><SPAN>How do I constrain the TIN creation to only inside this polygon?</SPAN></BODY></HTML> Thu, 06 Mar 2014 15:59:44 GMT https://community.esri.com/t5/3d-questions/clip-or-constrain-tin-to-inside-polygon/m-p/735910#M4432 TimHayes 2014-03-06T15:59:44Z Re: Clip or constrain TIN to inside polygon? https://community.esri.com/t5/3d-questions/clip-or-constrain-tin-to-inside-polygon/m-p/735911#M4433 <HTML><HEAD></HEAD><BODY><SPAN>When using the Create TIN from Features tool, define your clip area polygon as a "hard clip". If you've already generated a TIN, you can Add Features to TIN (also hard clip).</SPAN></BODY></HTML> Thu, 06 Mar 2014 21:25:47 GMT https://community.esri.com/t5/3d-questions/clip-or-constrain-tin-to-inside-polygon/m-p/735911#M4433 BondHarper 2014-03-06T21:25:47Z Re: Clip or constrain TIN to inside polygon? https://community.esri.com/t5/3d-questions/clip-or-constrain-tin-to-inside-polygon/m-p/735912#M4434 <HTML><HEAD></HEAD><BODY><SPAN>I would only use the 'Hard Clip', if you have made your constraining polygon 3D.&nbsp; If you have a normal boundary, then use the soft clip so that the TIN will constrain, but the values on the edge of the TIN will not take that of the constraining boundary.&nbsp; </SPAN><BR /><BR /><SPAN>Take a look at this </SPAN><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#/Fundamentals_of_creating_TIN_surfaces/006000000010000000/">help documentation</A><SPAN> for more information. I would also urge you to consider </SPAN><A href="http://resources.arcgis.com/en/help/main/10.1/index.html#//005v00000002000000">terrains</A><SPAN> to model your area.</SPAN></BODY></HTML> Fri, 07 Mar 2014 11:00:58 GMT https://community.esri.com/t5/3d-questions/clip-or-constrain-tin-to-inside-polygon/m-p/735912#M4434 JeffreySwain 2014-03-07T11:00:58Z