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Resizer Details

All the different combinations of options in the Resizer are illustrated in the table below.  We have included a landscape photo, portrait photo and square photo to show how the operations work on each of these different image aspect ratios.  In the example below the original image is 250 x 150 (Image 1), 150 x 250 (Image 2) or 200 x 200 (Image 3) pixels in size.  The aspect ratio is 5 x 3, 3 x 5 or 1 x 1.  If the Resizer is configured to try to create an image that is 120 x 90 (an aspect ratio of 4 x 3) there will be a problem because the aspect ratio of the source does not match the destination.  The table below shows how the Resizer's settings affect the result.

Source Images

Original 250 x 150 image (5 x 3 aspect ratio)

Image 1
250 x 150 pixels
Landscape (5 x 3 aspect ratio)

 

Image 2
150 x 250 pixels
Portrait (3 x 5 aspect ratio)

 

Image 3
200 x 200
Square (1 x 1 aspect ratio)

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Operation Image 1 Image 2 Image 3
Match Long Side
Long Dimension = 120
Short Dimension = 90

The destination image will have a long dimension (120 pixels) that matches the desired size and the image maintains its aspect ratio.

250 x 150 (5 x 3 aspect ratio)
becomes
120 x 72 (5 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
72 x 120 (3 x 5 aspect ratio)
200 x 200 (1 x 1 aspect ratio)
becomes
120 x 120 (1 x 1 aspect ratio)
Match Short Side
Long Dimension = 120
Short Dimension = 90

The destination image will have a short dimension (90 pixels) that matches the desired size and the image maintains its aspect ratio.

250 x 150 (5 x 3 aspect ratio)
becomes
150 x 90 (5 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
90 x 150 (3 x 5 aspect ratio)
200 x 200 (1 x 1 aspect ratio)
becomes
90 x 90 (1 x 1 aspect ratio)
Match Width
Width = 90

The width (90 pixels) matches the desired size and the image maintains its aspect ratio.  This is equivalent to "Match Long Side" for images in the landscape orientation and "Match Short Side" for images in the portrait orientation.

250 x 150 (5 x 3 aspect ratio)
becomes
90 x 54 (5 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
90 x 150 (3 x 5 aspect ratio)
200 x 200 (1 x 1 aspect ratio)
becomes
90 x 90 (1 x 1 aspect ratio)
Match Height
Height = 90

The height (90 pixels) matches the desired size and the image maintains its aspect ratio.  This is equivalent to "Match Short Side" for images in the landscape orientation and "Match Long Side" for images in the portrait orientation.

250 x 150 (5 x 3 aspect ratio)
becomes
150 x 90 (5 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
54 x 90 (3 x 5 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
90 x 90 (1 x 1 aspect ratio)

Letterbox
Long Dimension = 120
Short Dimension = 90
Orientation = Either

With this setting any difference between the source aspect ratio and the destination aspect ratio is made up with black bars like a letterboxed movie.   In some cases the bars will be drawn on the side of the image.

250 x 150 (5 x 3 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

Letterbox
Long Dimension = 120
Short Dimension = 90
Orientation = Portrait

The image is forced to portrait with colored bars.

250 x 150 (5 x 3 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

Letterbox
Long Dimension = 120
Short Dimension = 90
Orientation = Landscape

The image is forced to landscape dimensions with colored bars.

250 x 150 (5 x 3 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

Stretch
Long Dimension = 120
Short Dimension = 90
Orientation = Either

Stretch makes up any difference in aspect ratio by stretching the image in the appropriate direction. 

250 x 150 (5 x 3 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

Stretch
Long Dimension = 120
Short Dimension = 90
Orientation = Portrait

The image is stretched to portrait dimensions.

250 x 150 (5 x 3 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

Stretch
Long Dimension = 120
Short Dimension = 90
Orientation = Landscape

The image is stretched to landscape dimensions.

250 x 150 (5 x 3 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

Crop
Long Dimension = 120
Short Dimension = 90
Orientation = Either

The image is cropped to match the desired aspect ratio.  Parts of the image that don't match the aspect ratio trimmed.

250 x 150 (5 x 3 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

Crop
Long Dimension = 120
Short Dimension = 90
Orientation = Portrait

The image is cropped to portrait dimensions.

250 x 150 (5 x 3 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
90 x 120 (3 x 4 aspect ratio)

Crop
Long Dimension = 120
Short Dimension = 90
Orientation = Landscape

The image is cropped to landscape dimensions.

250 x 150 (5 x 3 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

150 x 250 (3 x 5 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

200 x 200 (1 x 1 aspect ratio)
becomes
120 x 90 (4 x 3 aspect ratio)

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