The setting up of the plane table includes three operations viz: 1. Levelling 2. Orientation 3. Centering. Operation # 1. Levelling: Place the table over the station-point and spread out legs to make it level and at a convenient height, preferably not above the elbow. Then oriented and centre the table approximately as explained in the following two operations and [...]
After reading this article you will learn about: 1. Meaning of Plane Table Surveying 2. Advantages of Plane Table Surveying 3. Disadvantages 4. Equipment Needed 5. General Instructions 6. Errors 7. Testing and Adjusting. Contents: Meaning of Plane Table Surveying Advantages of Plane Table Surveying Disadvantages of Plane Table Surveying Equipment Needed in Plane Table Surveying General Instructions while Plane [...]
Methods of surveying with the plane table may be classified under four distinct heads viz: 1. Radiation 2. Intersection 3. Traversing 4. Resection. Method # 1. Radiation (Fig. 6.5.): In this method, the plane table is set up at only one station and the points to be plotted are located by radiating rays from the instrument-station to the points and [...]