HOW TO CREATE A RAINBOW DOTS TEXT

Open new file.

1. Gradient>choose black&white such as FG to BG>drag from left to right outside image size

2. Filters>Blur>Pixelize>4>ok

3. Image>Mode>Greyscale

4. Filters>Newsprints>cell size 10, Angle 0.0, oversample 15>ok.

5. Choose select by colour tool>click on black dots

6. Select>feather>5.000>ok

7. Image>mode>RGB

8. Choose gradient (Abstract 2)>drag across image.

9. Select>none

10. Click on Text>write text in bold carachters

11. Layer>layer to image size

12. Right click on text layer>alpha to selection

13. Select>invert

14. Click on background layer>delete

15. Click select by colour tool>click on white background>select>invert

16. Copy>new transparent layer>copy

17. Click on black text layer>filters>Gaussian Blur>25-30

18. Position blurred layer underneath and move to create shadow.

19. Flatten Image

HOW TO CREATE A REFLECTION OF AN IMAGE IN GIMP

First of all the images need to be resized  to be able to create the right proportion between the background image and the foreground image. The last can be in black&white or in colour. I haven't found a particularly interesting or suitable one at the moment.

The images need to be on different layers so that they can be manipulated individually. Make a copy of the image used as reflection and flip it with the Flip Tool. Also it is good to apply a small angle to the reflected image using the Rotate Tool.

The image at an angle (the reflection); Layers Mode>Hard Light and Colours>Hue-Saturation>Saturation -30>ok

The image as background: Colours>Hue-Saturation>Saturation -30

 

HOW TO CREATE A PICTURE IN WARHOL STYLE

Open an image to be transformed into multicolored silkscreen style picture.

1.  If necessary with  Free Select Tool select the area of the picture to be transformed into multicolours. Open Paths Dialog on Layer Pane.>selection to path ( round red icon)>right click on level that just appeared>Path to selection>select>invert>delete>select>select none.

Now the background will be white. Now  the image needs to be converted into greyscale:

2. Colours>Hue-Saturation>Saturation slide to -100>ok

Now the picture needs to more contrast using brightness and levels. This settings will be different according to the quality of the image used:

3. Colour>Brightness and Contrast>contrast slide towards 30-40>ok

4. Colour>Levels>Imput Level slide to right towards 40-50>ok

5. Filter>Blur>Gaussian Blur>5>ok

At this point the image needs well difined shade of grey to work on late. The posterise setting above 4 will create 3 shades of grey. Light, medium and dark plus black&white. It is personal preference. With the posterise value at 4 there is light grey, dark grey and black&white.

6. Filter>Posterise>4>ok

At this point each colour (white, light grey, dark grey and black) need to be copied from the background image and pasted into its own brand new layer. Other layers can also be created. In this case I created a Lip Layer isolating only the lip area.

Inthe layer Pane select white paper icon and create new layer with transparency. Name first layer "white", second layer "light grey", third layer "dark grey", fourth layer "black" and any addition layers such "Lips".

The tools used for selecting different part of the image is the Fuzzy Select Tool (red square to make first selection and two red square to continually add at your selection)

7. Select background image>Select Fuzzy Select Tool (red square)>select white area on image>select Fuzzy Select Tool (two red squares) and continue selecting all the white areas

Now the selection nedds to be sent to its own layer. The one named White.

8. Edit>Copy>select "white" layer>edit>paste (or use anchor icon)

9. Select background image> Fuzzy Tool>select light grey areas>edit>copy>select "light grey" layer>edit>paste (or anchor)

This process needs to be done for all the colours. Each colour need to be pasted into its layer.

Now all layer contain shades of greys plus black&white. Now each grey shade will be assigned a new and exciting colour. (experiment!)

10. Select "white" layer>Bucket Fill Tool>click foreground colour>choose colour>Ok>click on white area on white image layer.

11. Select "light grey" layer>Bucket Fill Tool>click foreground colour>choose colour>ok>click in light grey areas

Keep doing the same process until all layers have the different colours. When finished delete the background (original image) and flatten the image.

12. Filters>artistic>apply canvas>4>ok

 

 

 

 

HOW TO CONVERT AN IMAGE TO HALFTONES 1

In order to perform a convertion to halftones the image needs to be black and white and with high contrast.

This first video shows a black and white image where the contrast levels are kept unchanged.

Open an image in Gimp then convert the image in grayscale :

1.       Image>mode>greyscale

Now after a bit of experimenting I have discovered that the end result will be much better if the image dpi is changed to 300.00 pix.

2.       Image>scale image>enter in X and Y 300.00 pix.

This will make your image quite large, but it is worth it in the end. After raising the resolution apply halftones:

3.       Filters>distort>newsprint

Now the image has halftones and needs to be scaled to your preferred size. I normally work on A4:

4.       Image>scale image> in image size change pix into cm or other> enter desired size.

This will blow up the scale of your image. Here the halftone dots show pixalization. One way to have better results is to make them darker:

5.       Colours>imput levels> slide left triangle towards right about to a 100

Save image.

 

 

 

 For this picture I changed contrast on the original image as per tutorial 2.

 

 

HOW TO CONVERT AN IMAGE TO HALFTONES 2

This tutorial is very similar to the one above. For this black and white image I also changed the contrast:

1.        colour>brightness-contrast> set contrast aroud 40-60 (it will depend on the image)

I also twigged curves as the image was a bit dark:

2.        colours>curves>adjust as desired

 

 These halftone images are quite small and therefore ae better viewed on a big screen or at original size A4.

 

 

HOW TO ADD COLOURS TO HALFTONE IMAGE AND ITS BACKGROUND

In this tutorial I started with a black and white image cutout and used white as background.

I then enhanced the white&black contrast.

1. Colours>Brightness&constrast>adjust the contrast towards a higher number until the image is satisfactory (around 40)

Then the image needs to be converted into greyscale image.

2.  Image>Mode>Greyscale

In this tutorial I added an extra Filter to experiment a bit with rendering the image slightly more pixelated.

3. Filters>Blur>Pixelize>2

Now the image needs to be resized to 300.00 pix so that the newsprints dots will be more round and neat. The image will be a bigger size but this is how I get better results.

4.Image>Scale>type 300.00 for x and y>scale

Then apply the neswprint filter. Depending on the desired end result some experimenting is necessary:

5. Filters>distort>newsprint.  Input 200, output 7.2, cell size 4, angle 45 degrees, antialias 15>ok.

I now enlarged my image for two reasons. First, I usually work on A4 size, second, that will give me the change to have better defined halftone that I can darken.

6. Image>scale>risize bigger (I normally need A4 size, and I choose to work in cm)>scale

Now that the image is much bigger you can see the definition of the halftones. It very difficult to make them complitely round and well defined using pictures. For this reason I then make them slightly darker.

7. Colours>Levels>Input around 100

The image is now ready to be coloured. This stage is very exprimental as you need to adjust the threshold of the bucket according to the image you are working on. After several attempts for this image  the threshold I use was 171.6. It will change for every other image you will use.

8. Bucket>choose a colour>select threshold towards a high number (here I used 171.6)

Finally, REMEMBER TO CHANGE THE IMAGE TO RGB and click on a well defined area of the image. I clicked on the darkest bit.

9. Image>Mode>RGB!!!!!!!!!!!!!!>click bucket on black area. Change colour and repeat by clicking on white area.

 

 

 

HOW TO ADD COLOURS TO THE HALFTONE IMAGE

Once you converted image to halftones it is possible to change the its colour.

Open the converted image and make sure it is in RGB mode. If not go to image>mode>rgb Select the bucket tool and select a colour:

bucket>select colour>colours>map>gradient map.

 

 

 

 

 

 

 

 

 

 

 

 

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