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Results tagged with interpolation
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user 600
The estimation of values at unsampled points based on known values of surrounding points.
6
votes
Interpolation of Three Data Points
Unless you know that there is a physical reason why temperature differences occur I would use the average value everywhere, and not make an interpolation. …
- 6,249
1
vote
How to interpolate daily climate data using ArcGIS for Desktop?
See my answer at:
Interpolation of Three Data Points
Rather than interpolating you should first wonder if that is a useful thing to do at all:
Would your map be better than using the average temperature … Unless you know that there is a physical reason why
temperature differences occur I would use the average value
everywhere, and not make an interpolation. …
- 6,249
1
vote
What type of interpolation to visualize metal detection survey data?
What is the variability of your data? For visualization you might have to aggregate rather than interpolate your date if its variability is high.
8
votes
Open source methods for kriging?
Check this free book, it's about doing geostatistics in R, and contains some info on doing it in SAGA and GRASS as well.
http://spatial-analyst.net/book/
http://spatial-analyst.net/book/sites/default …
- 6,249
3
votes
Fast and robust open source portable script or tool for interpolation - triangulation or sim...
In saga, make sure you read your data as a pointcloud "Import Point Cloud from Text File" and process it as a pointcloud: Point Cloud to Grid. This should be much faster than using shape. Last step ma …
- 6,249
2
votes
Are special interpolation techniques required for weather data?
You don't tell us anything about the usage of these maps. Do you just want to produce a map? Will you use them as a model input? This may change your methodology.
Which error is acceptable for the u …
- 6,249
1
vote
Underwater terrain modeling
You may want to look at mb-system, which is specically made for mapping sea floors (I have no experience, I just know it exists):
http://live.osgeo.org/en/overview/mb-system_overview.html
Anyway, yo …
- 6,249
3
votes
Integrating DEM within kriging and other interpolation methods?
It may be better to do some exploratory data analysis first before jumping to an interpolation method. Perhaps there is a map with climate zones already which may perform better than kriging/...? …
- 6,249