The closeness of a repeated set of observations of the same quantity to one another.
0
votes
0answers
27 views
A machine to measure latitude to 6 decimal places of a degree [duplicate]
I am doing a PhD research project to do with medieval and ancient archaeoastronomy which requires me to be able to measure latitudes up to an accuracy of 6 decimal places of a degree of latitude. ...
1
vote
3answers
207 views
How to auto fill or delete sliver polygons without losing precision?
I am developing some boundaries in which precision holds the key value.
Using ArcGIS 9.3 I am converting lines to polygons using the "feature to polygon" tool. The lines are accurate but I find ...
2
votes
1answer
45 views
What are arc's guarantees on data precision, XYTolerance (i) when displaying (ii) in arcpy?
Interesting behaviour:
Two line segments in a dataset have almost, but not quite, identical endpoints. The difference between them is less than the XYTolerance for the data set.
Reading the ...
5
votes
1answer
255 views
Need to learn more about Precision and Accuracy
I am currently taking Introduction to Image Interpretation online and there is a section in it that talks about Precision and Accuracy. I wanted to know if someone out there has any good information ...
4
votes
2answers
2k views
Correct way to create a DEM from point data in csv files
I know this might seem a somewhat general question, but I have to start somewhere.
I have a lot of csv files which contain point data containing height, aspect and slope measurements at a resolution ...
38
votes
2answers
17k views
How to measure the accuracy of latitude and longitude?
I am very new to GPS stuff. Suppose I have latitude and longitude as 19.0649070739746 and 73.1308670043945 respectively. So now both co-ordinates are 13 decimal places long. But sometimes, I also get ...
