A technique for resampling raster data in which the value of each cell in an output raster is calculated using the value of the nearest cell in an input raster.

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1answer
67 views

How to find closest point without crossing obstacles?

I have a set of points and I'd like to be able to find the nearest point from another layer. The problem is that I need to find the closest point without crossing an obstacle (such as a river, ...
3
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0answers
244 views

How to calculate the distance to multiple locations from each cell of my raster?

I'm working with Arcgis 10.1 and Python 2.7.2 How can I calculate the distance to multiple locations from each cell of my raster? I tried euclidean distance but it only provides the distance to ...
2
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0answers
210 views

Can Nearest Neighbor Analysis help determine values for a Heat Map?

Given the below parameters (from Nearest Neighbor Analysis): A) Is there a definite range my Radius value should be within? B) Are there definite values my cell size should be near? C) Is there a ...
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0answers
221 views

Loop though records in PostGIS (using PL/PYTHON or PGSQL)

I've seen many example of loops, but I can't get that one to work. I work for a regional transit agency and each year, we conduct several surveys. I geocode everything to the house level for internal ...
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0answers
14 views

Optimal Neighbor Input

I am using ArcGIS and would like to know the best methods on choosing nearest neighbors for executing spatial statistical analyses. Some of the tools default at 8 and 30, however these parameters will ...
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0answers
166 views

generate near table and keep all attributes

I am trying to calculate the angle and distance of points to surrounding polygons. The table is good and what I need but it doesn't maintain all records; the unique point and polygon IDs are not ...