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Raster Select

The Raster Select tool is used to specify a raster part area (rectangular or irregular polygon) or all of the raster image.

The specified area can then be Cut, Copied, Moved, Rotated, Scaled or Pasted.

 

1. If it is not already selected, select the following icon:

Click

The cursor will change to

 

When the Raster Select tool is selected, a range of menu and toolbar buttons will temporarily be disabled.

These will be re-enabled upon exit from the Raster Select tool.

To exit from raster selection, Click the icon or use Select Completed as in 2 below.

 

2. Once selected, clicking the right mouse button will present the options available with the Select tool.

· Select Completed – Use this option to exit the Select tool – any current selection is ‘unselected’.
· Select by Cursor – Use this option to window a required rectangular area.
· Select by Polygon – Use this option to draw an irregular polygon shape around the required area.
· Select All – Use this option to select the full image area.
· Clear – This option will ‘unselect’ any current selection.

The selected area will be highlighted using a red-white outline.

 

3. When a selection has been made, clicking the right mouse button will present options for:-

· Cut – Select to cut the current selected area.

The area you have cut is placed on the Pasteboard and the Clipboard and can be pasted back into the image using Paste as below or Raster Edit Menu > Paste () or pasted into another application.

· Copy – Select to copy the current selected area.

The area you have copied is placed on the Pasteboard and the Clipboard and can be pasted back into the image using Paste as below or Raster Edit Menu > Paste () or pasted into another application.

· Move – Select to move the current selected area.

The cursor will be replaced with the move cursor. Press the right mouse button down to signify the start of a move action. Holding the right mouse button down, move the selected area to the new destination position and release the right mouse button. The move action is still active. Whilst it is still active pressing the right mouse button will give the following options:-

· Move Completed – Select to finish the move action – the move cursor is replaced.
· Rotate using – There are 2 options available to rotate the currently selected move area

Cursor – Press the left mouse button and whilst holding, move the cursor to rotate the move image.

When rotation is complete, click the right mouse button and select ‘Rotate Completed’.

 

Value – Enter the required degrees of rotation of the move image.

Entering the degrees value as a negative value will rotate anti-clockwise, a positive value will rotate clockwise.

· Scale using – There are 2 options available to scale the currently selected move area

Cursor – Press the left mouse button and whilst holding, move the cursor to scale the move image.

When scaling is complete, click the right mouse button and select ‘Scale Completed’.

 

Value – Enter the required X and Y scaling factors of the move image and then OK.

 

· Paste – The above Cut, Copy or Move actions will place a copy of the selected area on the Pasteboard and the Clipboard.

Select this option to paste a copy back to the current raster image. The pasted image will be placed in the center of the currently viewed image.

The contents of the Pasteboard can also be pasted to the image after exiting the Select tool by using Raster Edit Menu > Paste

 

  When Move or Pasting the following shortcut keys can be used to toggle between the Paste Options as found in Raster Edit Menu > Paste Options

Shift+O – Toggle between outline and detail views of an area as you move or paste it

Shift+N – Toggle Negative of an area as you move or paste it.

Shift+X – Toggle ‘Copy over’ or ‘Merge with’  of an area as you move or paste it.

 

 

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