Lesson 5. Editing
a Raster Image
Brief
description: During
this lesson you will study WiseImage methods of editing raster images,
and also an example of applying tracing to edit a raster image.
 For detailed information on these subjects
see the following sections of the
Quick Start guide:
Editing data selected with object selection methods, Object snap,
Tracing Hatches.
Let’s see an example of modifying a detail comprised
in the unit.
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Before editing the raster image
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After editing the raster image
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Editing raster objects
Choose Open
from the File menu. Open the Raster_Edit.cws file from
the Lesson_5
folder.
- Select the raster circle
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- Open Inspector
(choose Inspector from the Tools menu)
In the corresponding fields of Inspector:
- Change the radius from 9.16 to 7 mm.
- Change the line width to 0.6 mm.
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- Select the line and move it to the new position.
- Do the same for the second line, which contacts the circle.
INFORMATION: When executing these operations you
can turn on raster snap by pressing the RSNAP  button,
located in the bottom-right corner of the screen.
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- Select the arc with arc selection by reference object method,
and then move it using the grips.
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- Select the next line and move it.
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- Select the highlighted lines one by one, and stretch them by
grips to the circle.
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Using tracing for editing
Method 1
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To correct the hatch you can trace the hatch in
Smooth Raster mode.
- Open the Raster To Vector toolbar; press the Trace hatch by fence and
Smooth Raster buttons.
Cross the hatch lines by fence. Double-click or
from the context (right-button) menu choose End.
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Method 2
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If you want to control the properties of the created hatch:
Use Make Vector and Erase Raster mode  . You can edit the resulting vector hatch in the Inspector
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