SAINF is a software tool based on ArcGis 8.2 for analyzing the effect of infrastructural features on the distribution of point-like non-infrastructural features. One of the distinct characteristics of SAINF is that it can deal with not only point-like infrastructural features but also line-like (e.g. railways) and polygon-like (e.g. big parks) features. SAINF analyzes these effects with the conditional nearest neighbor distance method and the cross K-function method. SAINF includes the following tools.
Tool 1 calculates the distance from each non-infrastructural
feature to its nearest neighbor infrastructural feature.
Tool 2 gives the observed average nearest neigbor distance.
Tool 3 calculates the expected value and standard deviation of the nearest neigbor distance.
Tool 4 gives the observed number of the non-infrastructural features of which the distances to the nearest neighbor infrastructural features are in between certain intervals.
Tool 5 is used for obtaining the probability that the distance from a non-infrastructural feature to its nearest neighbor infrastrucutural feature is in between certain intervals.
Tool 6 provides the cross K-function method.
If you wish to know what SAINF is in detail, please
download the manual from
The software package of SAINF is open to non-profit
users without charge. If you wish to use SAINF, please download the registration
In that registration form, you will find the conditions
for using SAINF. If you agree to them, please fill out the form and return
Then we will send you the software package SAINF (341KB in zip format).
For further inquiries, please contact Professor
Atsuyuki Okabe at the above address.