What is it? The FREE TNTlite products now provide the most complete and integrated system for GIS, image processing, desktop mapping and cartography, relational database, and other geospatial processes.

What are the limitations? After 10 years of the quiet development of professional image processing and GIS products, MicroImages, Inc. has now added FREE student versions of these same products as part of the regular quarterly releases. These TNTlite products differ from the 'paid for' professional versions of TNTmips® and TNTview® used in 75 nations only in the size of the project you can complete. But, the analysis and management of all the agri-spatial data for a single crop field will easily fit within the size limits of the TNTlite products. Furthermore, many separate crop field systems can be independently created and analyzed as needed.

The general upper size limitations on each individual data layer used in TNTlite are as follows: each raster layer can be 614 by 512 pixels, which is adequate for a single field's portion of an airslide; a vector layer, such as a field's soil map, is limited to 500 polygons; a CAD layer, such as a field's boundaries and improvements, to 500 shapes; a database pinmap is limited to 1500 points, or records, within each of 10 relational database tables for soil properties, yields; and so on. A project for a single crop field may integrate and use many of each kind of layer.

What can it do? A fully featured image processing subsystem is provided. Aircraft and satellite images can be scanned, imported, georeferenced, co-registered, warped, registered, overlaid from various dates, interpreted and edited interactively on screen, reduced to canopy biomass maps, automatically interpreted, converted to polygons, and so on.

Complete GIS capabilities are provided for creating and analyzing topological vector layers. An interactive editor is included for creating and updating soil, treatment, and other vector layers of a field's area properties and their associated database information using on-screen or tablet digitizing. Vector layers can be imported from other popular vector based products, such as ARC/INFO. Buffer zones can be created. And all these vector layers can be analyzed with a suite of GIS functions, such as logically combining soil, treatment, and yield layers.

Complete CAD capabilities are provided for the creation and integrated use of layers containing points, lines, and geometric shapes representing improvements, soil polygons, engineering plans, and any other features in a field that do not need area topology. An interactive CAD editor is provided for creating and updating these layers and their associated database information using on-screen or tablet digitizing. CAD data can be imported from MapInfo, AutoCAD, MicroStation, ArcView, and other similar, line-based products.

Point samples such as scale tickets, chemical histories, or soil tests can be input, imported, exported, or linked to and used from dBASE files. The appropriate records can then be connected for use as attributes with any of the spatial elements supported, for example, with soil polygons, improvements, application levels, and even image cells. The point values in the tables can also be used for pin mapping or converted to areas in vector or CAD format by inscribing with best-fit polygons, fitting surfaces generated with a variety of methods including kriging, converting into yield grids, among other methods.

The interactive layer editor can superimpose various layer types and then allow the selection and editing of any kind of layer (raster, vector, CAD, or TIN). For example a CAD layer representing field tile lines, trees, drainage ponds, and other improvements can be drawn or altered while superimposed on other layers; points or pins can be created, selected, and moved, and associated records and values can be added or edited.

A single agri-spatial layer or many layers of various types can be superimposed for display in 2-D or 3-D. Raster (image), vector, CAD, TIN, and separate database layers can be converted from one to another. Complex maps of one or many layers can be printed or plotted on a wide variety of color printers and pen plotters.

These are only a few examples of the many features available for use in this FREE product. Many more are added and released three times per year. And MicroImages has faithfully released all its products with new features for more than 40 times over a 10 year period.

Why is it FREE? There is no hidden catch in this offer other than the data size limitations built into the TNTlite products: no time outs, no missing features, no restriction to sample data sets, no future costs, no sales personnel, no gimmicks, and an extensive manual is provided online (more than 2000 pages). MicroImages has simply concluded that farmers and agricultural managers, professionals in some other fields with small area projects such as archaeology, and students are not the target market for our professional geospatial analysis products because of cost.

Computer requirements? TNTlite requires 16 megabytes of memory and is available for Macs and Power Macs; Windows 95/98, NT/2000; and all popular UNIX variants. The most recent version of TNTlite can be downloaded FREE at any time from http://www.microimages.com or can be requested on CD-ROM for the cost of its shipping and handling. TNTlite products can even be efficiently run directly from the CD-ROM on all platforms to save hard drive space. A more detailed flier on this unique FREE TNTlite offer is also available from MicroImages upon request by FAX, email, or letter (please, no voice calls for these free products).



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TNTmips®, TNTview®, and TNTlite® are trademarks of MicroImages, Inc. Other brands and product names are trademarks of their respective owners.

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