How Many Methods Of Contouring Are Present?

What are 3 types of contour lines?

There are 3 kinds of contour lines you’ll see on a map: intermediate, index, and supplementary.Index lines are the thickest contour lines and are usually labeled with a number at one point along the line.

Intermediate lines are the thinner, more common, lines between the index lines.More items….

What is purpose of contouring?

Contouring is a makeup technique that uses cosmetics to define, enhance and sculpt the structure of the face or other body parts, such as breasts.

What is block contouring?

Contouring in surveying is the determination of elevation of various points on the ground and fixing these points of same horizontal positions in the contour map.

Which method is suitable for contouring of hilly areas?

Tacheometric methodSolution: Tacheometric method: This is practically suitable for hilly areas and at places where plane tabling is impractical. This discussion on Which of the following methods of contouring is most suitable for a hilly terrain?

What is the space between contour lines called?

Contour lines–usually curved, parallel brown lines–show the shape and elevation of the land by connecting points of equal elevation. … The space between the contour lines is called the contour interval and represents a specific (set) distance.

What is a contour index?

A contour line shown on a map in a distinctive manner for ease of identification, being printed more heavily than other contour lines and generally labeled with a value (such as figure of elevation) along its course.

What is a depression contour line?

A closed contour, inside of which the ground or geologic structure is at a lower elevation than that outside, and distinguished on a map from other contour lines by hachures marked on the downslope or downdip side.

What are the methods of locating contours?

The method of locating contours directly consists of horizontal and vertical control. The horizontal control for a small area can be exercised by a chain or tape and a large area by compass, theodolite or plane table. For vertical control either a level and staff or a hand level may be used.

What is contour line method?

Contour lines are curved, straight or a mixture of both lines on a map describing the intersection of a real or hypothetical surface with one or more horizontal planes. The configuration of these contours allows map readers to infer the relative gradient of a parameter and estimate that parameter at specific places.

What is meant by contouring?

1 : an outline especially of a curving or irregular figure : shape the sleek contours of the car The map shows the contour of the coastline. also : the line representing this outline. 2 : the general form or structure of something : characteristic —often used in pluralthe contours of a melody…

What are the objects of contour?

Contour objects create a set of contour lines from data stored in a rectangular array or in a set of unstructured points. Contour objects can consist either of lines or of filled regions.

Why can’t contour lines cross?

Contour lines can never cross one another. Each line represents a separate elevation, and you can’t have two different elevations at the same point. … Moving from one contour line to another always indicates a change in elevation.

What are the 5 Rules of contour lines?

Rule 1 – every point of a contour line has the same elevation. Rule 2 – contour lines separate uphill from downhill. Rule 3 – contour lines do not touch or cross each other except at a cliff. Rule 4 – every 5th contour line is darker in color.