Evaluation of the professional software for surveying and mapping in the current study

AutoCAD is the first to learn the professional software, mainly used to draw two and three-dimensional graphics, but also to carry out text and other related operations. CAD operation is relatively simple, with the keyboard and mouse to complete all the commands, there are many convenient shortcut keys. Users can master it with just a little more practice. Since the main use of the 2008 version of CAD during the learning period, it is difficult to modify the properties of the drawing, and it is not too much for beginners to guide. If there is no corresponding guidance, early learning progress will be relatively slow.

The second is the southern Cass software, mainly used to digitize the measured data into a diagram. Cass provides a variety of ways to operate flexibly, the user can freely choose the mode of drawing. Cass Software Fault tolerance is very low, import data can not be corrected, the image presented is a mess of lines. And Cass's geomorphic symbols and category options do not perfectly contain all the actual terrain, resulting in the need to use other symbols to replace the actual terrain, instead of the same time to follow the national standards, this operation, especially for beginners is a difficult thing to grasp. At the same time, limited to the actual measurement conditions,Cass Software mapping will also create a number of breaches of cartographic standards, such as the intersection of contours. Users are required to check their own changes later.

Finally, there are MapInfo software that has been easily contacted . It is mainly used to draw statistical data into a variety of the actual needs of the Manchu map, but also to achieve data calculation and reading data from the map. However, due to the MapInfo software appears earlier, resulting in a cumbersome operation, data processing is not too perfect, for the accuracy of the map may seem to be a little less satisfied with the requirements.

Evaluation of the professional software for surveying and mapping in the current study