CTC 212 - Lecture 10 (Element Modification)

Modify Elements

Modify element 

Box 1 - Make an element larger or smaller

Partial delete 

Box 2 - Deletes a portion of an element (select start & end points)

Extend element 

Box 3 - Extend element graphically (or by +/- key-in)

Extend elements to intersection 

Box 4 - Intersect 2 lines

Extend element to intersection 

Box 5 - Extend line to an element

Trim element

Box 6 - Trims part of element that extends beyond a cutting edge

Insert vertex 

Box 7 - Insert a vertex (turn triangle into a rectangle)

Delete vertex 

Box 8 - Delete a vertex (turn rectangle into a triangle)

Circular Fillet 

Box 9 - Identify radius. Truncate none, single, or both

Parabolic Fillet

Box 10 – Identify distance.  Truncate none or both. Symmetric or horizontal.

Chamfer 

Box 11 - Identify distance 1 & 2 (both equal for 45 deg chamfer)

 

 

Creating Complex Shapes/Chains and Regions

Dropping Complex Status

Box 1 - Drops complex status of chains, shapes, fonts, dimensions, multi-lines, etc.

Create Complex Chain 

Box 2- Method: Manual or Automatic

Create Complex Shape 

Box 3 - Method: Manual or Automatic

Create Region 

Box 4 - Union, intersection, or difference

Add to Graphic Group

Box 5

Drop from Graphic Group

Box 6

Dropping Graphic Group Elements

Settings, Locks, Graphic Groups (turn on/off).  Other software creates complex graphic groups (Inroads-DTM triangles, Stationing Graphic Groups (tics, stations, etc.)

 

Multi-Lines (Tools, Multi-line); Element, Multiline for settings

Placing Multi-lines 

Box A1

Match Multi-line attributes

Box B1

Change

Box B2

Drop

Box B3

Construct Closed Cross Joint 

Box C1-See Figure 8-49 on page 337

Construct Open Cross Joint 

Box C2

Construct Merged Cross Joint 

Box C3

Cut Single Line 

Box C4

Cut All Component Lines 

Box C5

Construct Closed T Joint

Box C6

Construct Open T Joint

Box C7

Construct Merged T Joint

Box C8

Construct Corner Joint

Box C9

Uncut Component Lines 

Box C10-Undoes a cut

Multi-line Partial Delete 

Box C11

Move Multi-Line Profile 

Box C12

Edit Multi-Line Cap 

Box C13-Edits end caps (none, current, active, joint)