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Drawing and measuring

Page
Published on Saturday, July 19, 1997 by Gideon Ariel

Drawing tools

The drawing tools in APAS/Wizard allow you to overlay simple graphics onto your images.

Angle toolDraw angles in image editor
BackgroundSettings that influence the background in the image editor
Curve toolDraw curves in image editor
Delete toolDelete drawing objects from image editor
Drawing and measuringDrawing and measuring objects on an image
Drawing object propertiesChange properties of a drawing object
Ellipse toolDraw ellipses in image editor
Graphics objectsList of drawing objects in image editor
Image editorEdit images
Image editor windowEdit images
Image toolPaint images in image editor
Line toolDraw lines in image editor
Pointer toolSelect objects in image editor
Rectangle toolDraw rectangles in image editor
Reference plane toolDefine reference plane in image editor
Text toolAdd text in image editor

Drawing new objects

Select a drawing tool from the toolbar to activate it. Draw the object in the image by clicking and dragging with the mouse, while holding the left mouse button down.

After drawing an object, the Pointer tool is automatically activated.

Pointer tool

With the Pointer tool you can select existing objects. Objects must be selected before moving them, changing their properties (such as color or size), or even removing them.

Selecting a single object

A single object can be selected by choosing the Pointer tool, and then directly clicking on the object of choice. An object will show its handles when it is selected. In the example below the red ellipse has been selected by clicking on it, showing its 8 handles.

  1. Activate the Pointer Tool;
  2. Click desired object.

When clicking on an area where multiple objects would qualify for selection, the object that is on top will be selected.

Selecting multiple objects

Multiple objects can be selected by clicking an object while keeping the Ctrl-key on the keyboard pressed.

Alternatively, multiple objects can be selected by choosing the Pointer tool and then dragging on the image while holding the left mouse button down. While dragging you a rectangular selection area is shown (as a dotted outline with colored interior). Objects will be selected if they intersect with this rectangular selection area.

In the example below, the yellow rectangle, the blue line, and the red angle have been selected because they intersected with the rectangular selection area (shown as dotted outline with blue interior below).

  1. Activate the Pointer tool
  2. Drag a selection rectangle to select multiple objects
Step 1: drag selection rectangle (shown as dotted outline with blue interior below) while holding left mouse button down. Step 2: release left mouse button, selected objects will show their selection handles.

Moving an object

Once an object has been selected, it can be moved to a different location on the image. Move an object by dragging it with the mouse while keeping the left mouse button down.

Use the same method to move multiple objects.

Resizing an object

Once an object has been selected, it can be resized by clicking and dragging one of its handles.

Drawing object properties

Each object has certain properties that can be changed. They are grouped by Pen, Fill, and Text properties.

Pen properties
change the outline properties of selected object
Fill properties
change the interior properties of selected object
Text properties
change the optional description / measurements of selected object

One or more of the following properties can be changed. Changing a property of the selected object will take effect immediately.

Type Property Description
Pen Color Color of the pen
  Width Width of the pen (in pixels)
  Start Flat; Square; Round; Triangle; NoAnchor; SquareAnchor; RoundAnchor; DiamondAnchor; ArrowAnchor; AnchorMask; Custom
  End As above
  Transparency From 0% transparent (= 100% opaque) to 100% transparent (= 0% opaque)
Fill Color Color of fill
  Transparency As above
Text Show Show measurements / description with object
  Shadow Show text shadow to make it more readable on certain backgrounds
  Font Font family, size, style
  Color Font color
  Description Description shown

Removing objects

Every object can be removed from the image. You can remove one object at the time, or more or even all of them all at once.

Action Description
To remove one object 1. Select the object
2. Right-click and choose Delete from the menu, or, press the Delete key on your keyboard
To remove multiple objects 1. Select the objects
2. Right-click and choose Delete from the menu, or, press the Delete key on your keyboard
To remove all objects Method 1
1. Select the objects
2. Right-click and choose Delete from the menu, or, press the Delete key on your keyboard

Method 2
Right-click and choose Delete all from the menu

More information

Angle toolDraw angles in image editor
BackgroundSettings that influence the background in the image editor
Curve toolDraw curves in image editor
Delete toolDelete drawing objects from image editor
Drawing and measuringDrawing and measuring objects on an image
Drawing object propertiesChange properties of a drawing object
Ellipse toolDraw ellipses in image editor
Graphics objectsList of drawing objects in image editor
Image editorEdit images
Image editor windowEdit images
Image toolPaint images in image editor
Line toolDraw lines in image editor
Pointer toolSelect objects in image editor
Rectangle toolDraw rectangles in image editor
Reference plane toolDefine reference plane in image editor
Text toolAdd text in image editor

Reference: /wizard/manual/gui/drawing.html
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Drawing and measuring

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