Tag: orthophotos
GIS Data
This is the launch page for finding information about GIS data: what is geographic data and the different types (vector versus raster), what are errors in GIS data, metadata, and where to find GIS data on the Internet. Introduction to GIS Data Geodatabases Explored – Vector and Raster Data Vector and raster data types (including [...]
GIS File Formats
There are well over 100 GIS, CAD and Remote Sensing applications on the market. Listed here are some of the more common file formats along with associated file extension (the last 3 charcters after the period in the file name). File formats are categorized as vector, raster, imagery, and legacy GIS file formats. Vector File Format [...]
Orthophotos and GIS
Aerial photographs play an important role in GIS data acquisition and visualization. First, they help provide a solid visual effect. Many people are more able to put spatial concepts into perspective when seeing photos. In addition, the secondary and perhaps more vital role is to provide a basis for gathering spatial information. Examples of this [...]
