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Vector images. What are vector images? How are they different from bitmap images?. Objectives. To understand what a vector image is To understand how to create vector images using fireworks . Vector images. Are made up of lines and curves. - PowerPoint PPT Presentation
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Unit 1 Selby High School Fireworks
Vector imagesWhat are vector images? How are
they different from bitmap images?
Unit 1 Selby High School Fireworks
Objectives• To understand what a vector image is• To understand how to create vector
images using fireworks
Unit 1 Selby High School Fireworks
Vector images• Are made up of lines and curves. • When you make them bigger or
smaller they don’t lose their quality• They are not as detailed as bitmap
images, but they take up less computer memory
Unit 1 Selby High School Fireworks
Fireworks IntroductionDraw a Vector Bike
Unit 1 Selby High School Fireworks
Create New document & Find your picture…
Go to www.google.co.uk and find a picture
of a sideways facing bike.
Save your fireworks file and click on File
New
Unit 1 Selby High School Fireworks
Copy the bike…
Copy and paste the bike you found
earlier into your Fireworks file
Unit 1 Selby High School Fireworks
Pen tool…Select the pen tool
and use the settings as below.
Unit 1 Selby High School Fireworks
Main Frame…
Ctrl Z pressed at the same time will
undo the last step – TRY IT NOW.
Click on the centre of the rear wheel, move your
mouse then click where you want the line to be drawn. Use this method to draw
the main bike frame. Double click to complete
the drawing.
Unit 1 Selby High School Fireworks
Front Forks…Draw the front
forks of your bike. The pen tool is really useful for drawing straight
lines.
Unit 1 Selby High School Fireworks
Saddle StemDraw another line from the saddle to the chain sprocket.
Unit 1 Selby High School Fireworks
Handle bars… Add the handlebars, again with only straight
lines.
Unit 1 Selby High School Fireworks
Wheels… Click on the ellipse tool. Hold shift and
drag to draw a circle roughly the
shape of your front wheel.
Unit 1 Selby High School Fireworks
Finish the front wheel…Change the size of
your front wheel so that it fits nicely over your base
picture. Remember to keep the width
and height the same to keep it a
circle. Then nudge it into position.
Unit 1 Selby High School Fireworks
Rear wheel…Copy and paste
your front wheel and position it on
the rear wheel
Unit 1 Selby High School Fireworks
Chain Sprocket…Reduce the size of the pen tool and draw a smaller
circle and nudge it into place on the chain sprocket.
Unit 1 Selby High School Fireworks
Pedals…Draw in the pedals
and the pedal spindle.
Unit 1 Selby High School Fireworks
Saddle…Zoom in and go to the saddle part of your bike. Use the rectangle tool and draw a rectangle over the top of
your saddle.
Unit 1 Selby High School Fireworks
Distort…1. Use the distort
tool and drag the bottom left corner upwards
to create a wedge shape.
Unit 1 Selby High School Fireworks
SAVE your work then delete your internet picture…
Now that your bike is complete, you can delete your original picture.
Find the original on the layers tab on
the right and click the trash can to
delete it.
Unit 1 Selby High School Fireworks
Errors… If there are any errors or gaps
between your lines, you can see them
now. You can modify your bike
now so that it looks complete. You’re
done!
Unit 1 Selby High School Fireworks
Make it Colourful…
Select an item , click on the colour chooser and start
changing some colours
Unit 1 Selby High School Fireworks
Finished the bike?• Add a background using the vector
tools. • It could be– A shop– A skate park– A road
Unit 1 Selby High School Fireworks
Vectors/Bitmaps • Google Maps is a good example of
bitmap and vector images
Satellite View – Bitmap
Map view -
Unit 1 Selby High School Fireworks
Task• Go to google maps• Type in your home post code• Alternate between the map and
satellite view.
• What happens when you zoom in and out?
• Which one is clearer?• Which one is more detailed?