Surveying and Surveying Methods
What does surveying deal with?
With measurement and mapping of Earth
What instrument measures horizontal and vertical angles?
Theodolite
What aids are used in the orthogonal method?
pentagonal prism, tape, stakes
What does the abbreviation GPS mean?
Global Positioning System
What are marginal notes?
the map scale, map legend, map sheet number
What is a map?
Reduced visual picture
How do we classify maps by scale?
large-scale, medium-scale and small-scale maps
What aids are used in the orthogonal method?
theodolite, tape or total station
What is the result of surveying activities?
Plans and maps
What system defines a digital cadastral map?
JTSK
Name two methods for planimetric measurement.
Orthogonal and polar method
How can levelling methods be devided?
Trigonometric levelling, Surface levelling and Geometric levelling
What are the basic components of surveying?
Altimetry and planimetry
How are altimetry measurements taken?
Vertically
How are planimetry measurements taken?
Horizontally
What is tacheometry used for?
Tacheometry is used to determine horizontal angles, horizontal distances and heights
What is tacheometry used for??
To measure planimetry and altimetry at the same time.
Who were the first known surveyors?
Egyptians, Babylonians, Assyrians, Chinese and Indians
How do new theodolites differ from old ones?
They use electronics.
What’s so called relative hight?
difference of the real heights