Hawth's Analysis Tools for ArcGIS

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[Dec 09] HawthsTools is now formally discontinued. The new software that replaces and improves upon Hawthstools is called the Geospatial Modelling Environment.

[Sept 09] HawthsTools has not been updated for a considerable time and is soon to be formally discontinued. It will be replaced with an entirely new software package that has much greater functionality. Issues have been found when using these tools with recent versions of ArcGIS and I recommend that you cease to use HawthsTools. These problems arise because the ArcGIS programming interface (ArcObjects) tends to change with each update of ArcGIS. This is particularly true for major releases. This breaks backward compatibility, and means that bugs can be introduced into tools that were compiled against a previous version of ArcGIS. Of course this creates a great deal of work for developers who have to constantly keep up with changes in the object model and the lack of backwards compatibility - a highly unsatisfactory state of affairs. I suggest you watch www.spatialecology.com for details of the new product, due for release before the end of the year.

Links to full descriptions and help files:

Analysis Tools
Intersect Point Tool
Distance Between Points (Within Layer)
Distance Between Points (Betw. Layer)
Count Points In Polygons
Polygon In Polygon Analysis
Sum Line Lengths in Polygons
Line Raster Intersection Statistics
Enumerate Intersecting Features
Line Metrics
Sampling Tools
Create Random Selection
Random Selection Within Subsets
Generate Random Points
Generate Regular Points
Conditional Point Sampling Tool
Create Vector Grid (lines/polygons)
Create Sample Shapes (various shapes)
Generare Random 3D Points
Animal Movements
Create Minimum Convex Polygons
Calculate Movement Parameters
Convert Locations To Paths
Convert Paths to Points
CRW Simulation I
CRW Simulation II
Kernel Tools
Fixed Kernel Density Estimator
Batch Fixed Kernel Density Estimator
Percent Volume Contour
Other Tools
Digitize XY Coordinates
Set/Zoom To View Extent Bookmark
Raster Tools
Clip Raster
Clip Raster By Polygons
Landscape Characterization (fast)
Extract Raster Edge
Thematic Raster Summary (by polygon)
Zonal Statistics ++ (by polygon)
Spatial Replace Tool
Maximum Grid Separation Tool
Cellular Automata (1D x Time)
Grid Spread (Cellular Automata)
Raster Pixel Type Conversion
Table Tools
Add Area Field To Table
Add Length Field To Table
Add XY To Table
List Unique Values
Sum Values
Delete Multiple Fields
Add XY Line Data (creates line layer)
CSV Management Tool
Vector Editing Tools
Create Buffers (Retain Attributes)
Vector Rotation and Shifting Tool
Snap Points To Lines Tool
Intersect Lines (Make Points)
Split Vector Layer By Unique Value Field
Specialist Tools
River Sample Extraction
Point Redistribution Tool
PLSS Point Finder
Julian Day Lookup

Important: these tools do not currently support on-the-fly projection changes, therefore for any of the tools that work with more than one layer, you must ensure that they share the same projection.

Note that this list of tools and the associated help files applies to the most recent version of HawthsTools (for ArcGIS 9). Development of the ArcGIS 8.x version of HawthsTools has stopped because of the difficulties of maintaining two incompatable code bases.

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