What are the specific steps of topographic mapping? Introduction of specific steps of topographic surveying and mapping

1. Make a detailed and clear work plan and determine the implementation plan after approval;

2. Collect and sort out the original and existing data of the survey area, and prepare the systematic topographic survey technical scheme according to the actual situation;

3, organize relevant professionals, in the formation of the project department at the same time, the establishment of technical portfolio quality supervision organization;

4. With the goal of comprehensive topographic survey, prepare various surveying and mapping instruments and tools in detail and draw survey marks;

5. When controlling the survey, in order to save the production cost, temporary ground signs are used as the map roots;

6. The collection of field data is very common in topographic map survey, and the information data includes the plane position and elevation data of topographic points and characteristic points;

7, unified computer office information data processing, drawing and data sorting need digital assistance; Eighth, implement quality supervision and acceptance.