Difference between Direct and Indirect methods of Contouring
|In this method, the contours are directly located on the ground and the points of given contour are marked on the ground.
|In this method, levelling work is carried out in the field and location of contour points is done in the office.
|These methods are applicable, where high precision is required.
|These methods does not required high precision
|These methods are suitable for
|These methods are suitable for large areas.
|These methods are much
accurate than indirect methods.
|These methods are not much accurate than direct methods.
|These methods are tedious and
|These methods are easy and consume less timings.
|It is Expensive.
|It is Cheaper.
|Not suitable for hilly areas.
|Suitable for hilly areas.
|Calculations cannot be done after contouring.
|Calculations can be done as and when required.
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