1 / 25

DIRECTION AND DISTANCE

DIRECTION AND DISTANCE. In which Direction? How Far Away?. EXPRESSING DIRECTION IN A CONVENTIONAL MANNER. Use 16 direction rose Assume position of observer Determine the direction. E. A. G. D. o. C. F. B. From ‘O’ to ____ OR Of __ from ‘O’. Direction. E. A. G. D. o. C. F.

malana
Download Presentation

DIRECTION AND DISTANCE

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. DIRECTION AND DISTANCE In which Direction? How Far Away?

  2. EXPRESSING DIRECTION IN A CONVENTIONAL MANNER • Use 16 direction rose • Assume position of observer • Determine the direction

  3. E A G D o C F B From ‘O’ to ____ OR Of __ from ‘O’ Direction

  4. E A G D o C F B

  5. F B C O D G A E

  6. F B C O D G A E

  7. MAP 45 D/10 Jolpur (0718) fromDhann (0723) Udwariya (2423) fromGulabganj (1920). PRACTICE ANSWER SSE NE

  8. DIRECTION AS BEARING

  9. When direction expressed as an angle, • It is also known as • Bearing • Azimuth • Forward Bearing (FB)

  10. FINDING THE BEARING IMPORTANT CONSIDERATIONS • All eastings point north • North is 0˚ • Angle is measured CLOCKWISE from north • Bearing would be between 0˚ and 360˚

  11. FINDING THE BEARING STEPS • Draw a line passing through both points • Draw an arrow pointing towards the place whose direction is asked • Measure the clockwise angle that this line makes with any easting

  12. B A

  13. B A

  14. FORWARD BEARING = 47° B A

  15. A B

  16. A FORWARD BEARING = 123° B

  17. A B

  18. A FORWARD BEARING = 311° B

  19. 0 ° 315 ° 45 ° 270 ° 90 ° Forward Bearing 225 ° 135 ° 180 °

  20. DISTANCE

  21. DISTANCE - TYPES • Direct Distance • Straight line (As the Crow Flies) distance • Indirect Distance • Along a path • Road • Cart Track • River • Canal

  22. FINDING DIRECT DISTANCE Measure the distance between the centre of the two places in cm Convert distance in km (or meters) (Use the scale, i.e.; 2cm = 1 km) 3. Round off to nearest 0.25 km (250 meters)

  23. Exercise for finding direct distance 45 D/10 Dantral (0323) and Dangrali (1024) Pamera (1622) and Sanwara (2025) Answers 7 Km 4.5 Km

  24. DIRECT DISTANCE INDIRECT DISTANCE

  25. FINDING INDIRECT DISTANCE • Place a string along the path between the centre of the two places • Measure the length of the string in cm • Convert distance in km (or metres) (Use the scale, i.e.; 2cm = 1 km) 4. Round off to nearest 0.25 km (250 metres)

More Related