Build A Loft

Slide 1

Get ready to build your first loft.

Preparation Work

This series of instructions contains preparation work.

  1. Make sure Scenome is not running.
  2. Start Scenome.
  3. Open \EXERCISES\BUILD_A_BASIC_LOFT.BOX from inside the Scenome data folder.
  4. The path is likely C:\Documents and Settings\Owner\Application Data\Scenomics\Exercises.
    NOTE: Your system might use a specific user name in the path instead of "OWNER".
  5. Select Worksheet » Global Edges from the main menu. [ ALT + W + E ]
  6. Select Worksheet » Show » Lights from the main menu. [ ALT + W + S + L ]
  7. The worksheet looks like this: This is a picture of the worksheet.
  8. Examine the hierarchy on the left side of the desktop. This is a picture of the hierarchy.
  9. Right click over the group node named Palette and select Set Active Palette from the listed options.
  10. Select Draw » Freehand Linear from the main menu.
  11. Move the cursor over the worksheet. Notice the draw cursor indicates that a draw mode is active. This is a picture of the draw mode cursor.
  12. Select File » Save from the main menu.
  13. This displays the Save As dialog.
  14. Set the file name to USER_MY_FIRST_LOFT.BOX and click Save.

Draw The First Curve

This series of instructions teach you to draw the first curve.

  1. Move the cursor over the location -14,-11,0 on the grid. Look in the coordinate indicator on the lower right to check the cursor position.
  2. Left click at -14,-11,0 to set the first point of the curve.
  3. Move the cursor around and you'll notice a bright green line attach to the cursor. This shows you the line formed by the draw tool.
  4. Draw the subsequent points at the following coordinates. If you make a mistake, hit X to undo the last point drawn:
    • -18,-6,0
    • -18,4,0
    • -19,1,0
    • -13,5,0
    • -10,6,0
    • -9,9,0
    • -11,13,0
    • -13,19,0
    • -11,25,0
    • -5,27,0
  5. Right click to finish the curve after you draw the last point.
  6. The worksheet looks like this: This is a picture of the worksheet.
  7. Examine the hierarchy on the left side of the desktop. A path node is present. This is a picture of the hierarchy.
  8. Set the name of the path node to Cross Section 1.

Draw The Second Curve

This series of instructions teach you to draw the second curve.

  1. Move the cursor over the location 0,-12,0 on the grid.
  2. Left click at 0,-12,0 to set the first point of the curve.
  3. Draw the subsequent points at the following coordinates. If you make a mistake, hit X to undo the last point drawn:
    • 0,0,0
    • 5,-11,0
    • 8,-9,0
    • 9,-7,0
    • 8,-9,0
    • 9,-7,0
    • 10,-4,0
    • 9,0,0
    • 8,7,0
    • 9,12,0
    • 12,15,0
    • 13,20,0
    • 13,25,0
    • 10,27,0
  4. Right click to finish the curve after you draw the last point.
  5. The worksheet looks like this: This is a picture of the worksheet.
  6. Examine the hierarchy on the left side of the desktop. A path node is present. This is a picture of the hierarchy.
  7. Set the name of the second path node to Cross Section 2.

Loft The Curves

This series of instructions teach you to loft the curves.

  1. Examine the hierarchy.
  2. Left the path node named Cross-Section 1.
  3. The node highlights, indicating selection.
  4. Hold down SHIFT and left click the path node named Cross-Section 3.
  5. The list of paths is selected.
  6. Right click and select Create Loft Relationship from the listed options.
  7. The worksheet looks like this: This is a picture of the worksheet.
  8. Examine the hierarchy on the left side of the desktop.
  9. Completely expand the group node named LoftCollectionGroup. This is a picture of the hierarchy.
  10. This node-set contains all the nodes required by the loft.
    The LoftGeometryModifier is linked to the group node named Cross Section Curves. Any curves in this group are processed, in order, by the modifier, to produce the output geometry. Changes to these curves result in changes to the output geometry.