What is traversing method in surveying?
What is traversing method in surveying?
Traverse is a method in the field of surveying to establish control networks. It is also used in geodesy. Traverse networks involve placing survey stations along a line or path of travel, and then using the previously surveyed points as a base for observing the next point.
What is the purpose of traversing?
The purpose of traverse is to locate the unknown points relative to each other and to locate all points within the traverse relative to a common grid. Three elements of starting data are needed. They are the coordinates and height of a starting point and an azimuth to a visible azimuth mark.
How do you carry out a traverse survey?
TRAVERSING PROCEDURE
- Use “whole to part “ principle.
- Aiming for good visibility between stations and bearing in mind any subsequent setting out.
- The number of station must be minimize but cover all the survey site.
- The distance between station must be far (more than 30 m) and same as other traverse line.
What are the methods of theodolite traversing?
There is some methods that is used for traversing.
- Magnetic bearing method.
- Loose needle method.
- Direct angle method.
- Included angle method.
- Deflection angle method.
What is traversing in C++?
The word “traverse” means “to go or travel across or over” (http://www.merriam-webster.com/dictionary/traverse). It just means you need to iterate (go through each element (an element being a portion of data the size of whatever data type the array holds)).
What are the sources of error in traversing?
Sources of Errors in TraversingSome sources of error in running a traverse are:1. Poor selection of stations, resulting in bad sighting conditions caused by alternatesun and shadow, visibility of inly the rod’s top, line of sight passing too close to theground, lines that are too short, and sighting into the sun.
What is transit method of adjustment?
The transit rule adjusts the latitude of each side as a proportion of this latitude to the sum of the latitudes of all sides; similarly, the departure of each side is adjusted as the proportion of that departure to the sum of the departures of all sides.
What is closing error?
1 : the ratio of the distance by which a survey fails to close to the perimeter of the tract surveyed. 2 : the sum of the angles of a traverse as measured minus the true sum required by geometry. — called also closing error.
What are the different methods of Traverse surveying?
Methods of Traversing. There are several methods of traversing, depending on the instruments used in determining the relative directions of the traverse lines. The following are the principal methods: Chain traversing. Chain and compass traversing.
What are the different types of Traverse reduction?
Traverse Reduction Types: Closed Loop Traverse Closed Loop Traverse Beginning and Ending at Ending at Known points Shows above is closed traverse beginning on two known points (1 and 2) and ending on two known points (4 and 5). With this type of traverse, both a linear and angular closure can be calculated. Closed Loop Ending on One Know Point
Is there a way to reduce a traverse file?
The Reduce Traverse feature allows you to reduce a raw data file, with or without adjustment, and thus create a coordinate file or append to an existing coordinate file. NOTE: Before you reduce a traverse, check the traverse settings on the Traverse Options tab of the C&G Options dialog.
How to reduce a traverse in C & G?
NOTE: Before you reduce a traverse, check the traverse settings on the Traverse Options tab of the C&G Options dialog. Select the type of adjustment to use: (Compass, Least Squares, etc..)