Tagged Questions
0
votes
0answers
17 views
Limiting the maximum and minimum values of an interpolation surface tool (ArcGIS, Spline)
I've been using the spatial analyst spline tool in ArcGIS 10.1 and was wandering whether it is possible to limit the maximum and minimum values to those of the z-attribute.
Currently the spline will ...
1
vote
1answer
37 views
IDW: Default Maximum Distance and Coincident Points
The ArcGIS Help file says the Default Maximum Distance, when using the Variable Search Radius in IDW, is the extent's diagonal, however, no value is automatically filled in the corresponding box after ...
1
vote
0answers
43 views
Plotting time-series data in ArcGIS
I'm attempting to produce interpolated plots of water quality time-series data from ArcSDE. This is the data format:
OID WELL_ID WELL_NAME SAMPLE_ID SAMPLE_DAT PARAM RESULT
...
0
votes
2answers
340 views
Difference between Geostatistical analysis and Spatial analysis tool for interpolation
I did interpolation on point data using "Geostatistical Analyst" tool. It gives me surface layer. Then I exported this layer into raster image (by right click on this layer=>export data into raster) ...
3
votes
0answers
80 views
Which geostatistical tools to use to determine surface changes over 40 years?
I have a data from the Weather station with SWEmax (snow water equivalent) collected over 40 years. I need to interpolate the data over my river's watershed and then, somehow, determine the ...
5
votes
1answer
432 views
Are special interpolation techniques required for weather data?
I've downloaded a series of weather observations from the local weather agency - it comprises around 1,000 points spread non-uniformly across Australia, with a greater density of points located near ...
1
vote
0answers
550 views
two results of IDW in ArcMAP are different
i added the following points to ArcMAP using "Add XY Data".
x,y,z
7,39,117
27,17,122
27,61,123
46,36,136
52,14,138
55,46,141
56,56,137
65,24,144
65,36,145
Changed raster output size in "options" ...
7
votes
5answers
1k views
What type of interpolation should I use to visualize metal detection survey data?
I have about 500,000 points collected in a linear grid pattern over a 1 km2 area. The points were collected as part of a metal detection survey. Each point has X,Y and Coil Response mV (min -675.38 ...
