Draw a Circle With the Computer Mouse
The drawing tools icon bar contains all the cartoon tools to create objects with specific shapes such as lines, dots, circles and squares. The objects provide accuracy in your drawings and are indicated in bluish on screen.
General operation for the tools
Afterward selecting a cartoon tool, a second vertical toolbar volition announced. Depending on the tool, this toolbar volition present y'all with a number of options that can be selected before the object is placed in the design.
To identify the object, movement the mouse to the drawing area and click where the object should be placed. The cursor will also indicate the selected drawing tool. Hold and drag or click in a second position to decide the size and position of the object. Purple markers on or around the objects permit for repositioning, resizing or changing the proportions.
An object every bit a whole can be deleted past the delete key or selecting 'Delete' from the icon bar or context bill of fare. It is not possible to erase parts from the object unless it has been fused to the bitmap (run into: 'Working with fused bitmaps').
After placing an object in the design, a second vertical toolbar will appear, presenting the specific properties for the drawn object. Reselecting the object later on will bring up the same properties icon bar.
A number of properties are common for all objects. These will exist explained in a separate department: Editing object properties.
Cartoon straight lines
To draw a straight line, choose the 'Depict Direct Line' icon from the toolbar on the left side of the screen. In the pattern area, click the starting position for your line, and then click the end position.
Figure one. Cartoon a directly line in the design.
'Depict direct line' icon: 
Drawing squares and rectangles
To draw a foursquare, choose the Describe Foursquare-Rectangle icon from the tool bar on the left side of the screen. Click in the blueprint to mark the position of the first corner, then movement the mouse to decide the size of the square and click a 2d time to confirm. Alternatively, you can click and drag, then release at the opposite corner.
By dragging the markers in one of the four corners the size can be increased or decreased. Dragging inwards or outwards with the markers in the middle of the 4 sides will turn the square into a rectangle.
Figure ii. A square and rectangle drawn in the design.
'Draw square-rectangle' icon: 
Drawing circles and ellipses
To draw a circle, choose the 'Draw Circle-Ellipse' icon from the left vertical tool bar on the left side of the screen. In the design surface area, click the location for the get-go position, then move the mouse until the circumvolve is the desired size and click again to confirm. Alternatively, you lot can click and drag, and then release at the contrary corner.
Past dragging the markers in one of the iv corners the size can be increased or decreased. Dragging in or outwards with the markers in the middle of the four sides will turn the circle into an ellipse.
'Describe circle-ellipse' icon: 
Drawing triangles
To insert a triangle into your cartoon, select the 'Draw Triangle' icon from the left vertical toolbar. Next, select what blazon of triangle to insert from the correct vertical properties tool bar that appears.
The bottom four icons on this tool bar show the bachelor types of triangles. From acme to bottom, the triangle types bachelor in the tool bar are right, isosceles, equilateral and scalene. Triangles may be changed from one type to another later yous have placed them in your drawing, but it is easiest to select the appropriate triangle type prior to inserting the shape.
Once you lot take selected the type of triangle y'all desire, click the betoken in the design expanse where you want one of the corners and then drag until the triangle is the desired size. Alternatively, yous can click and elevate, then release at the opposite corner.
The 'Angles and lines' dialog tin exist used for a more mathematically oriented notation. The corners of the triangle are marked with letters A, B and C. By default they will but prove on screen (green colour, not embossed). Past checking 'Characters A, B, C at corners' in the 'Angles and lines' dialog, they will also exist presented in braille characters in one case embossed.
The corners of the triangle tin can each be provided with 3 types of specific lines: altitude, median line and bisector, which will be embossed as dotted lines.
Effigy four. 4 different types of triangles: correct, isosceles, equilateral and scalene. Equal or correct corners are indicated in dark-green.
'Describe triangle' icon: 
Drawing polygons
A polygon consists of several lines that are connected as one object. To insert a polygon, choose the 'Draw Polygon' icon from the tool bar on the left side of the screen. Click in a number of positions in the pattern area to describe a polygon. To finish the polygon, click on the first ballast point (first imperial marker) to shut the polygon. Alternatively, you can click once more on the last placed anchor betoken to brand an open up shape. You tin besides choose these two options from the toolbar or context menu by selecting 'Close polygon' or 'Finalize the polygon (exit the terminal connection open)'.
When you have an open polygon selected, ii green plus symbols on screen allow you to continue drawing at the ends of the polygon. Yous can as well choose 'Continue drawing at first/last endpoint' from the context bill of fare. The red border effectually a selected polygon tin be used to resize it by dragging the purple markers.
You can choose between directly and curved lines between the anchor points. This allows you lot to make apply of rounded curves in your design.
Figure 5. Two polygons evidence the difference between directly and curved lines.
'Draw polygon' icon: 
Drawing freehand line or closed shape
To depict freehand lines or airtight shapes, cull the Draw Freehand Line or Closed Shape icon from the tool bar on the left side of the screen. In the pattern area, click the desired starting location and drag the mouse to create the desired line. To create a closed shape, click the desired starting location and elevate the mouse to create the desired shape, returning to the starting location earlier releasing the mouse push button.
As with the polygon, yous can choose betwixt straight and curved lines between the anchor points. The dashed red border can be used to resize the unabridged object.
Freehand line with curved lines.
'Draw freehand line or closed shape' icon: 
Drawing dots
To add round dots to your design, select the 'Draw filled dots' from the permit vertical toolbar, then click in your blueprint to position the dot. The size of the dot tin exist inverse with the purple markers. The dot size can range from only one braille dot up to a big filled circle of multiple centimetres in diameter.
Different sized dots can range from a single braille dot to several centimeters in diameter.
'Draw filled dots' icon: 
Source: https://thinkable.nl/tv-manual-adding-objects/
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