Pictometry International is a Rochester, New York-base company that provides detailed aerial photography. Its images are taken at a 40 degree angle using a patented process. Its Electronic Field Study software allows a variety of measurements to be taken directly from the image, including height, distance and area as well as elevation and bearing. Contour lines can be dynamically created by the user. Its images can be overlayed with shapefiles and GIS information can be exported from the images as well.