topic Re: How do determine a z-limit? in ArcGIS Pro Questions https://community.esri.com/t5/arcgis-pro-questions/how-do-determine-a-z-limit/m-p/11573#M355 <HTML><HEAD></HEAD><BODY><P>leave it alone if you need to fill the sinks</P><P>The units of the sink are in the Z values units</P><P>Percentage isn't relevant in this case at all.</P><P>A random number doesn't either&nbsp;</P><P>So you just need to decide whether you want to fill all sinks or sinks shallower than X which will partially fill the deeper ones technically</P></BODY></HTML> Wed, 06 Sep 2017 17:57:41 GMT DanPatterson_Retired 2017-09-06T17:57:41Z How do determine a z-limit? https://community.esri.com/t5/arcgis-pro-questions/how-do-determine-a-z-limit/m-p/11572#M354 <HTML><HEAD></HEAD><BODY><P><SPAN style="color: #000000; font-size: 12.8px;">"It is useful to know the depth of a sink or group of sinks. This information<SPAN style="text-decoration: underline;"> can be used to determine an appropriate z-limi</SPAN>t for the Fill function"</SPAN></P><P><SPAN style="color: #000000; font-size: 12.8px;">"<SPAN style="color: #4d4d4d; background-color: #fefefe;">The tool iterates until all sinks within the <SPAN style="text-decoration: underline;">specified z limit</SPAN> are filled"</SPAN></SPAN></P><P><SPAN style="background-color: #fefefe; color: #4d4d4d; font-size: 12.8px;">"T</SPAN>he Fill tool fills sinks to remove imperfections from the DEM. A Z-limit affects the <BR />result of the tool. It is <SPAN style="text-decoration: underline;">recommended to state the Z-limit if the depths of the sinks are known</SPAN>. The Sink (Spatial Analyst) tool canbe used to identify the sinks and their depths prior to using the Fill tool.<BR /> When a Z-limit is not specified in the Fill tool window, all sinks, regardless of depth, are filled."</P><P></P><P>My depths range from ~0 to 25... How does that information correspond to the z limit... do i set it to it's&nbsp;max of 25, or a % or just try random numbers? Any information is appreciated</P></BODY></HTML> Wed, 06 Sep 2017 17:40:21 GMT https://community.esri.com/t5/arcgis-pro-questions/how-do-determine-a-z-limit/m-p/11572#M354 danawatkinson 2017-09-06T17:40:21Z Re: How do determine a z-limit? https://community.esri.com/t5/arcgis-pro-questions/how-do-determine-a-z-limit/m-p/11573#M355 <HTML><HEAD></HEAD><BODY><P>leave it alone if you need to fill the sinks</P><P>The units of the sink are in the Z values units</P><P>Percentage isn't relevant in this case at all.</P><P>A random number doesn't either&nbsp;</P><P>So you just need to decide whether you want to fill all sinks or sinks shallower than X which will partially fill the deeper ones technically</P></BODY></HTML> Wed, 06 Sep 2017 17:57:41 GMT https://community.esri.com/t5/arcgis-pro-questions/how-do-determine-a-z-limit/m-p/11573#M355 DanPatterson_Retired 2017-09-06T17:57:41Z