1. Select 'Easy Edit' on the top of the right hand side 'IC Palettes'. A new palette titled 'Easy Edit' will appear.

 

 

2. It will be convenient to show layer palette along with the 'Easy Edit' palette when adding layers. To show layer palette select:

Other -> Layers -> Show Layer Palette...

from main menu bar. A dialog box titled 'Show Layer Palette' will appear as shown in Fig 4-1.



 Figure 4-1. Dialog box for 'Show Layer Palette' Click and drag from layer1 'nwell' to layer77 'metal2.port' , release the mouse button , then click 'OK'. 'Layer palette' will be shown on top of the 'Easy Edit' palette.
 
 

4.1 Add Shapes/Text

• To add shapes:

 

 

1. Select 'Shape' from 'Easy Edit' palette , a prompt bar will appear at the bottom of the IC Graph window. Select 'nwell' from layer palette to set layer to NWELL.

 

 

2. In the work sheet, click and drag to size the rectangle you want, then release mouse button to create rectangle shape.
3. The created shape will be automatically in 'Selected' mode -- which means shapes with bold lines. Press 'F2' to 'Unselect' all selected shapes and you will see them in original style.

 

 

4. Repeat the previous steps to create shapes in every layer.

 

 

• To add text:

 

 

1. Set layer to 'text' or 'metal1.text' or 'metal2.text' by selecting from 'Layer Palette'.

 

 

2. Select 'Text' from the 'Easy Edit' palette, then key in the content in the display prompt bar and press 'Enter'. Move the cursor to locate that text and then click to place it.

 

 

4.2 Move and Copy Shapes

1. Make sure nothing is selected by pressing 'F2'. Select only the shapes you will move/copy by clicking on the edges of these shapes one at a time. The selected shape will be in bold line style.

 

 

2. Select 'Move' or 'Copy' on the 'Easy Edit' palette. Then click on the work sheet at the location where you want to place them.

 

 

4.3 Modify shapes

• Notch:

 

 

1. Make sure nothing is selected by pressing 'F2' then select one that you want to edit. After that select 'Notch' on 'Easy Edit' palette; a prompt bar appears at the bottom of the IC Graph window. Select the shape you will modify by clicking on one of its edges.

 

 



 Figure 4-2. Shape before 'Notch out'.
2. Click and drag a rectangle inside that shape. The area covered by the rectangle inside that shape will be 'notched out' as shown in Fig 4-3.

 

 



 Figure 4-3. Shape after 'Notch out'.
3. Click and drag a rectangle from inside to outside that shape. The area covered by the rectangle outside that shape will be 'notched in' -- merged to become part of that shape.

 

 



 Figure 4-4. Shape after 'Notch in'.
• Move Edge:

 

 

1. Make sure nothing is selected by pressing 'F2'. From main menu bar:

Select -> Select -> Edge:

a prompt bar appears in the bottom of the IC Graph window.
 
 
2. Select the edge you want to be 'stretched'.



 Figure 4-5. Select only one edge of shape.
3. Select 'Move' on the 'Easy Edit' palette. In the work sheet, click where you want to place that edge.


Applying this edge/move sequence, the shape in Fig 4-5 was stretched by moving the left-most vertical edge of the shape as shown in Fig 4-6.
 
 



 Figure 4-6. Shape after stretching one edge.