Lesson 6. Editing raster data using
AutoCAD commands
Brief
description: During this lesson you will learn how to
use AutoCAD commands to edit raster data.
Choose Open from the File
menu. Open the Raster_Edit.dwg document from
the Lesson_6 folder.
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Select the object as shown in the picture
using the inside window tool.
- Open the Raster Select toolbar.
- Press the buttons Select Raster Inside Window
(object type recognition ) Outline the object with a rectangle as shown
in the picture. and Select Add.
- Outline the object with a rectangle as shown in the picture.
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TIP: After
performing each command described below return the document to the initial
state using the UNDO command of AutoCAD.
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TIP:
When executing these operations you can use running snap or
Snap on demand to the raster objects.
- To turn on running snap to the raster:
From the rImage menu, choose Snap
and then Raster Snap On;
select Running Snap in the Object
Snap tab of the Drafting Settings dialog
of AutoCAD.
- To turn on snap on demand to the raster:
Simultaneously press Ctrl and the right mouse button, and choose
Raster Snap from the list.
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Move the Raster data
Mirror the Raster data
Copy the Raster data
Rotate the Raster data
Create an array of the Raster data
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Select the raster detail as described above.
- Press the Array
button on the Modify toolbar of AutoCAD.
- Define the array type - rectangular or polar.
- Set the other characteristics of the array by following the
AutoCAD command line.
To deselect the initial object, press the Unselect
all button 
on the Raster Select toolbar.
To merge the objects created by copying - select
them, then click on their frame(s), and then run Merge
from the rImage menu
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Stretch the Raster data
Select the three raster lines indicated in the first
picture.
Press the Select Raster Object Auto button, in Select
Add mode, and specify the lines on the screen one by one.
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- Press the Stretch button
on the Modify toolbar of AutoCAD.
- Select the objects to stretch by AutoCAD Crossing Window, as
shown in picture 2 (the outermost points of the diagonal lines
should be located outside the rectangle).
- Specify the base point of displacement.
- Specify the second point of displacement.
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| To deselect the original object, press the Unselect all
button
on the Raster Select toolbar. |
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button on the AutoCAD’s Modify toolbar.
on the Modify toolbar of AutoCAD.
button on the Modify toolbar of AutoCAD.
