Transcription of 533221 Surveying การวดมัุม - surames.com
1 1Dr. Surames Piriyawat533221 SurveyingDepartment of Civil Engineering Faculty of Engineering Burapha UniversityDr. Surames PiriyawatAngle, Bearing, and Azimuth 2Dr. Surames Piriyawat ABABDNAB 3Dr. Surames Piriyawat : (Horizontal angle) : (Vertical angle) 4Dr.
2 Surames Piriyawat 3 (Interior or exterior angles): (Closed polygon) (Angle to the right or to the left): (Deflection angle): R (+) L (-) 5Dr. Surames Piriyawat 2 (Zenith angles): 0o 90o (Vertical angle): 0o Direction of Line6Dr.
3 Surames Piriyawat (Navigation) (Meridian) (Great circle) 4 (Astronomic meridian): (Geodetic meridian) (Magnetic meridian): 7Dr. Surames Piriyawat (Assumed meridian): (Grid meridian): (True meridian) 8Dr.
4 Surames Piriyawat 2 (Bearings): Note: 90o Geodetic bearings, Magnetic bearings, Assumed bearings Grid bearings 9Dr. Surames Piriyawat (Azimuths): (Clockwise) Geodetic azimuths, Magnetic azimuths, Assumed azimuths Grid azimuths 10Dr.
5 Surames Piriyawat :Forward bearings, Forward azimuths :Backward bearings, Backward azimuths1. 2. 11Dr. Surames PiriyawatNWSWSENEA zimuth quadrantAzimuthRelationBearingsBearings quadrantENo49 ESo35 WSo50 WNo20=oo35180 oo50180+oo20360 o49o145o230o340oo900 oo18090 oo270180 oo360270 NWSWSENEB earings quadrantBearingsRelationAzimuthAzimuth quadrantES)145180(oo WS)180230(oo WN)340360(oo o49o145o230o340oo900 oo18090 oo270180 oo360270 ENo49 ESo35 WSo50 WNo20 ENo49 12Dr. Surames Piriyawat ABE ABN NNorthEast(0,0)),(AANEA),(BBNEBABABABAzH DEsin= ABABABAzHDNcos= ABABEEE +=ABABNNN +=)()(tan)()(122 ABABABABABABYYXXAzYYXXHD = + = ABAzABHD
