Cartographic Bases for Geoinformation Systems

GIS digital cartographic bases are more than mere files of computer-stored points. Rather, they are a framework where information is sorted into distinct layers and their representation is created from text, lines, colors and symbols.

Creating those cartographic bases requires that the precision of each product be in compliance with the defined scale and that each piece of information represented is correctly structured.

Thus, entities represented by polygons are mathematically closed; linear entities are properly segmented by entering all knots required to generate topological structures. Future spatial analyses are feasible under those conditions.

Mastering the methodology to create those bases, which is obtained by investing on equipment and personnel, and on research development, ensures that Engefoto is supplied with products that will deliver to the user a reliable environment for project evelopment. It warrants for easy-to-handle and high-yield material.

In keeping with the global trend of using images to implement information systems, digital orthophotos are the solution that guarantees the required accurateness to carry out the work, with full detail of information.