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GRADING AND DAYLIGHTING

GRADING AND DAYLIGHTING. The Daylighting commands calculate slope daylighting from a polyline footprint to a surface. A 2D or 3D polyline with elevational information is used to represent the footprint. Additional vertices can be added to the polyline for increased daylight line sampling.

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GRADING AND DAYLIGHTING

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  1. GRADING AND DAYLIGHTING • The Daylighting commands calculate slope daylighting from a polyline footprint to a surface. • A 2D or 3D polyline with elevational information is used to represent the footprint. • Additional vertices can be added to the polyline for increased daylight line sampling. • Based on the polyline footprint elevations and the assigned slope information, the daylight line is calculated at each vertex to a selected daylight target surface.

  2. Daylighting Grading Daylighting Add Vertices

  3. Daylighting (Cont.) SELECT THE POLYLINE TO ADD VERTICES SET THE DISTANCE TO ADD VERTICES

  4. Daylighting (Cont.) “YES” TO ERASE OLD OBJECT. AUTOCAD DRAWS A NEW LINE ON A SEPARATE LAYER.

  5. Daylighting (Cont.) REPEAT PROCESS OF ADDING VERTICES TO ALL LINES TO BE DAYLIGHTED.

  6. Daylighting (Cont.) IF YOU CLICK ON THE LINES VERTICES SHOULD APPEAR EVERY ___’ APART.

  7. Daylighting (Cont.) GRADING DAYLIGHTING SELECT DAYLIGHT SURFACE SELECT THE EXISTING GROUND SURFACE AT THIS PROMPT.

  8. Daylighting (Cont.) Grading Daylighting Create Single

  9. Daylighting (Cont.) SELECT ONE LINE

  10. Daylighting (Cont.) PUT CURSOR ON THE SIDE YOU WANT TO DAYLIGHT.

  11. Daylighting (Cont.) ENTER THE CUT SLOPE FOR THE SIDE SELECTED.

  12. Daylighting (Cont.) ENTER THE FILL SLOPE FOR THE SIDE SELECTED.

  13. Daylighting (Cont.) CROSS HATCHES APPEAR WHERE THE DAYLIGHT SLOPE INTERSECTS THE EXISTING GROUND

  14. Daylighting (Cont.) REPEAT PROCESS FOR REMAINING LINES SELECT THE NEXT LINE AND THE SIDE TO OFFSET IT.

  15. Daylighting (Cont.) ENTER CUT AND FILL SLOPES

  16. Daylighting (Cont.) AUTOCAD WILL PROMPT TO SELECT ANOTHER LINE, ENTER IF ALL HAVE BEEN SELECTED

  17. Daylighting (Cont.) DON’T BE CONCERNED WHEN ZOOMING IN OR OUT IF THE CROSS HATCHES DISAPPEAR.

  18. GRADING DAYLIGHTING DAYLIGHT POLYLINE Daylighting (Cont.)

  19. Daylighting (Cont.) SELECT EITHER LINE, PRESS ENTER

  20. Daylighting (Cont.) DAYLIGHT LINE SHOULD APPEAR

  21. Daylighting (Cont.) REPEAT PROCESS FOR REMAINING LINES

  22. Daylighting (Cont.) SELECT THE OTHER LINE, PRESS ENTER

  23. Daylighting (Cont.) THE OTHER LINE SHOULD NOW BE VISIBLE

  24. TO GET A VIEW OF NEW OBJECT FROM A DIFFERENT ANGLE

  25. View 3D A VIEW CIRCLE APPEARS. GRAB INSIDE THE CIRCLE, MOVE CURSOR TO SEE OTHER ANGLES

  26. View 3D (Cont.) A DIFFERENT ANGLE SHOWS DEFINITION

  27. View 3D (Cont.) VIEW 3-D VIEWS TOP TO RETURN TO A TOP DOWN VIEW

  28. Top View

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