https://community.esri.com/t5/arcgis-pro-questions/geotech-contractor-data-for-3d-interpolation-with/m-p/1719145#M104268 <P>I'm an experienced ArcGIS Pro user, but completely new to geotech and the 'Geostatistical Analyst' toolbox (for which we have not yet purchased a license).</P><P>I would like to use the 3d interpolation tools in the Geostatistical Analyst toolbox to generate 3d models from geotechnical works performed by contractors.&nbsp; The interpolation tools require a feature layer as input, which must be a 3d point layer with an attribute to be interpolated.&nbsp; I have two questions around this input layer...</P><OL><LI>Our geotech contractors who perform borehole investigations do not usually supply us with spatial data like this.&nbsp; What sort of data formats are geotech contractors used to supplying that I could easily convert to this?&nbsp; (Eg, CSV/Excel?)&nbsp; Ie, what should I ask for that would be understood and accepted?</LI><LI>When they supply such data, it is the elevations where the strata changes within each borehole which is critical (eg, from soil to clay, from clay to bedrock).&nbsp; However, a point would have just one such strata type attribute value, I guess (either soil, or clay or bedrock).&nbsp; How would this be managed in such a dataset?&nbsp; Is this done by generating two points at almost the same location?&nbsp; Eg, a soil point 1mm above a clay point, and a lower clay point which is 1mm above a bedrock point?&nbsp; Or another way of looking at it would be... 2 points for each strata type (per borehole), one for the top of the clay layer and one for the bottom of the clay layer.</LI></OL><P>Thanks for any insight you can provide for a geotech newbie.</P> Fri, 07 Aug 2026 01:42:48 GMT GISDataTasPorts 2026-08-07T01:42:48Z https://community.esri.com/t5/arcgis-pro-questions/geotech-contractor-data-for-3d-interpolation-with/m-p/1719145#M104268 <P>I'm an experienced ArcGIS Pro user, but completely new to geotech and the 'Geostatistical Analyst' toolbox (for which we have not yet purchased a license).</P><P>I would like to use the 3d interpolation tools in the Geostatistical Analyst toolbox to generate 3d models from geotechnical works performed by contractors.&nbsp; The interpolation tools require a feature layer as input, which must be a 3d point layer with an attribute to be interpolated.&nbsp; I have two questions around this input layer...</P><OL><LI>Our geotech contractors who perform borehole investigations do not usually supply us with spatial data like this.&nbsp; What sort of data formats are geotech contractors used to supplying that I could easily convert to this?&nbsp; (Eg, CSV/Excel?)&nbsp; Ie, what should I ask for that would be understood and accepted?</LI><LI>When they supply such data, it is the elevations where the strata changes within each borehole which is critical (eg, from soil to clay, from clay to bedrock).&nbsp; However, a point would have just one such strata type attribute value, I guess (either soil, or clay or bedrock).&nbsp; How would this be managed in such a dataset?&nbsp; Is this done by generating two points at almost the same location?&nbsp; Eg, a soil point 1mm above a clay point, and a lower clay point which is 1mm above a bedrock point?&nbsp; Or another way of looking at it would be... 2 points for each strata type (per borehole), one for the top of the clay layer and one for the bottom of the clay layer.</LI></OL><P>Thanks for any insight you can provide for a geotech newbie.</P> Fri, 07 Aug 2026 01:42:48 GMT https://community.esri.com/t5/arcgis-pro-questions/geotech-contractor-data-for-3d-interpolation-with/m-p/1719145#M104268 GISDataTasPorts 2026-08-07T01:42:48Z