Surveying

在工程测量的最好的免费应用程序，了解在一分钟内的话题。

This free App covers most important topics in simple English and diagrams for a quick study and revisions at the time of Exams, Viva, Assignments and Job interviews. It is the most useful App for last minute preparations.

The best app for school, college and work. If you are a student It will help to learn a lot.

This useful App lists 144 topics in 5 chapters, totally based on practical as well as a strong base of theoretical knowledge with notes written in very simple and understandable English.

Consider this App as a quick note guide which professors use in a classroom. The App will help in faster learning and quick revisions of all the topics.

Some of the topics Covered in the app are:

1. INTRODUCTION

2. BASIC MEASUREMENTS

3. CONTROL NETWORKS

4. LOCATING POSITION

5. PLOTTING DETAIL

6. Computer-aided design (CAD)

7. Error and uncertainty

8. SIGNIFICANT FIGURES

9. ERRORS IN MEASUREMENT

10. Probability

11. INDICES OF PRECISION

12. COMBINATION OF ERRORS

13. Uncertainty of addition or subtraction

14. LEVELLING

15. CURVATURE AND REFRACTION

16. EQUIPMENT

17. INSTRUMENT ADJUSTMENT

18. Automatic level

19. PRINCIPLE OF LEVELLING

20. SOURCES OF ERROR

21. LEVELLING APPLICATIONS

22. Direct and Indirect contouring

23. RECIPROCAL LEVELLING

24. PRECISE LEVELLING

25. Parallel plate micrometer

26. Field procedure

27. Booking and computing

28. DIGITAL LEVELLING

29. Factors affecting the measuring procedure

30. TRIGONOMETRICAL LEVELLING

31. Contouring

32. HEIGHTING WITH GPS

33. TAPES

34. FIELD WORK

35. Measuring in catenary

36. DISTANCE ADJUSTMENT

37. Sag

38. ERRORS IN TAPING

39. Tension, Sag and Slope

40. ELECTROMAGNETIC DISTANCE MEASUREMENT (EDM)

41. INSTRUMENT ADJUSTMENT

42. FIELD PROCEDURE

43. Setting up using the optical plumb-bob

44. MEASURING ANGLES

45. Measurement by directions

46. SOURCES OF ERROR

47. PLANE RECTANGULAR COORDINATES

48. TRAVERSING

49. Reconnaissance

50. Sources of error

51. Traverse computation

52. TRIANGULATION

53. Resection and intersection

54. Resection

55. NETWORKS

56. PRINCIPLE OF LEAST SQUARES

57. LINEARIZATION

58. NETWORKS

59. PRINCIPLE OF LEAST SQUARES

60. LEAST SQUARES APPLIED TO SURVEYING

61. LINEARIZATION

62. PARAMETER VECTOR

63. DESIGN MATRIX AND OBSERVATIONS VECTOR

64. Plan network

65. Distance equation

66. Direction & Angle equation

67. WEIGHT MATRIX

68. ERROR ANALYSIS

69. VARIANCE-COVARIANCE MATRIX OF THE PARAMETERS

70. ERROR ELLIPSES

71. Eigenvalues, eigenvectors and error ellipses

72. BLUNDER DETECTION

73. RELIABILITY OF THE OBSERVATIONS

74. PRACTICAL CONSIDERATIONS

75. ESTIMATION IN THREE DIMENSIONS

76. REFERENCE ELLIPSOID

77. The geoid

78. The ellipsoid

79. COORDINATE SYSTEMS

80. Geodetic coordinates

81. Cartesian coordinates

82. Plane rectangular coordinates

83. Height

84. LOCAL SYSTEMS

85. Deviation of the vertical

86. COMPUTATION ON THE ELLIPSOID

87. DATUM TRANSFORMATIONS

88. ORTHOMORPHIC PROJECTION

89. ORDNANCE SURVEY NATIONAL GRID

90. (t - T) correction

91. PRACTICAL APPLICATIONS

92. Introduction of Satellite positioning

93. GPS SEGMENTS

94. GPS

95. SATELLITE ORBITS

96. BASIC PRINCIPLE OF POSITION FIXING

97. DIFFERENCING DATA

98. GPS OBSERVING METHODS

99. Kinematic positioning

Surveying is part of Civil engineering education in various colleges and univeristies globally.