topic Why does Kriging give me polka dots on my map? in ArcGIS Spatial Analyst Questions https://community.esri.com/t5/arcgis-spatial-analyst-questions/why-does-kriging-give-me-polka-dots-on-my-map/m-p/360348#M5057 <HTML><HEAD></HEAD><BODY><P>I am trying to create a surface map based on point data I have for the USA.&nbsp; I have 4800 datapoints for the lower 48 states in the US and the points are well distributed across the entire area.&nbsp; I used the kriging tool to interpolate between the points, but the output map is very splotchy and is full of spots/circles.&nbsp; It is a terrible map and completely unrealistic.&nbsp; I used all the default settings for the analysis.&nbsp; I've attached 2 images: one of the resulting map and one of the parameters.&nbsp; </P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>How to I get a smooth map without the circles?&nbsp; Based on the data I have, how do I choose the best settings to run the analysis?</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Thank you very much for your time and help.</P></BODY></HTML> Thu, 25 Sep 2014 07:35:07 GMT GerradJones 2014-09-25T07:35:07Z Why does Kriging give me polka dots on my map? https://community.esri.com/t5/arcgis-spatial-analyst-questions/why-does-kriging-give-me-polka-dots-on-my-map/m-p/360348#M5057 <HTML><HEAD></HEAD><BODY><P>I am trying to create a surface map based on point data I have for the USA.&nbsp; I have 4800 datapoints for the lower 48 states in the US and the points are well distributed across the entire area.&nbsp; I used the kriging tool to interpolate between the points, but the output map is very splotchy and is full of spots/circles.&nbsp; It is a terrible map and completely unrealistic.&nbsp; I used all the default settings for the analysis.&nbsp; I've attached 2 images: one of the resulting map and one of the parameters.&nbsp; </P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>How to I get a smooth map without the circles?&nbsp; Based on the data I have, how do I choose the best settings to run the analysis?</P><P style="min-height: 8pt; padding: 0px;">&nbsp;</P><P>Thank you very much for your time and help.</P></BODY></HTML> Thu, 25 Sep 2014 07:35:07 GMT https://community.esri.com/t5/arcgis-spatial-analyst-questions/why-does-kriging-give-me-polka-dots-on-my-map/m-p/360348#M5057 GerradJones 2014-09-25T07:35:07Z