1,492
edits
Difference between revisions of "Simple Image Editing, Cropping Suggestions"
Jump to navigation
Jump to search
m
Simple Image Editing, Cropping Suggestions (view source)
Revision as of 19:50, 31 August 2023
, 19:50, 31 August 2023→Cropping
Andrei.boiu (talk | contribs) |
Andrei.boiu (talk | contribs) m (→Cropping) |
||
| Line 30: | Line 30: | ||
<code>''Cropping discards a part of the picture, reducing resolution and potentially affecting the image aspect ratio, if the edited area is unevenly distributed on the horizontal and vertical side. Most modern websites work well if the aspect ratio is maintained, but some require the same resolution, as they do not carry out this process. Resizing an already cropped picture leads to less quality than the original one.''</code> | <code>''Cropping discards a part of the picture, reducing resolution and potentially affecting the image aspect ratio, if the edited area is unevenly distributed on the horizontal and vertical side. Most modern websites work well if the aspect ratio is maintained, but some require the same resolution, as they do not carry out this process. Resizing an already cropped picture leads to less quality than the original one.''</code> | ||
=== What is the aspect ratio === | |||
The aspect ratio, as the name implies, is a proportional relation between the horizontal and vertical dimensions of an image. Depending on the source of your image, you may have widescreen, square or narrow images. Most cameras, including the ones on smartphones, create pictures that are typically widescreen, when used on the landscape orientation. If the orientation is, instead, placed at 90 degrees, you end up with portrait images, that are much taller and narrower as well. | |||
Note that depending on the camera being used, the format that is preset on the camera and other conditions, you will end up with widescreen images. However, note that widescreen images are not necessarily having the exact same aspect ratio although they may look similar. | |||
To express the aspect ratio of an image, you divide the width of the image to its height, measured in pixels or inches/centimeters, if you have actual physical creations. For a typical photography or video clip, the aspect ratio is typically 16:9 and it is derived by dividing a resolution of 1920 to 1080. Then, the resulting value of around 1.78, which is what dividing 16 to 9 would result in. Note that you can also simplify your 1920 to 1080 division and you would end up with the same integer values that cannot be further simplified, 16 and 9. | |||
<code>''It is advisable to get used to thinking about your pictures also in terms of their aspect ratios, whether you actively use these estimations for editing or not. In this way you have a better perspective of what formats you work with and get used to different techniques of editing.''<code> | |||
=== Common aspect ratios === | |||
Many years ago, since 1950s and until the early 2000s, the 4:3 aspect ratio of PC displays and TV screens was very popular. In the late 2000s, such formats were superseded by the so-called widescreen one, 16:9, used in the film or movie industry. As a result of this transition, just about any camera, professional or consumer, as well as most displays, generally create images that are suitable for this purpose. | |||
Having a common aspect ratio simplifies content creation and editing but leads to issues when such formats must be exchanged, as there is no straightforward or easy way in which images can be changed from one aspect ratio to another. Such post-processing techniques require advanced image editors to reach adequate results. For video production, editing is even more difficult and time consuming than for individual photographs although, if you commonly edit many pictures, it can be tiring. | |||
<code>''Using the aspect ratio required by your publishing platform is simple and effective but it limits how you work with your photographs. It is better to use various aspect ratios, as needed. However, if you do not have specific requirements, using the typical widescreen format of 16:9 is a good start.''</code> | |||
=== Aspect ratio adjustments === | === Aspect ratio adjustments === | ||
| Line 39: | Line 57: | ||
<code>''Nowadays, 16:9, or the widescreen format is the most popular one but keep in mind that anything else but a TV, most display, projectors, require a different aspect ratio. Sometimes your platform will adjust your image, at other times you have to process the image yourself. It is advisable to experiment with different aspect ratios.''</code> | <code>''Nowadays, 16:9, or the widescreen format is the most popular one but keep in mind that anything else but a TV, most display, projectors, require a different aspect ratio. Sometimes your platform will adjust your image, at other times you have to process the image yourself. It is advisable to experiment with different aspect ratios.''</code> | ||
=== | === More advanced effects === | ||
Complex effects may be applied to images | Complex effects may be applied to images and result in interesting effects but keep in mind that some effects can be effective enough when used reasonably. Generally aim for edits that affect an image the least but can create a very good effect. Flipping images horizontally or vertically, mirroring them, rotating them at right angles such as 90 degrees or 270 degrees, can result in images that are surprising to your audience. Rotating pictures at arbitrary angles may be less straightforward, as it requires additional cropping to end up with usable pictures. However, such operations may be useful when you want to straighten an image or show a different perspective on the subject. | ||
<code>''Image flipping and rotation, with a potential subsequent cropping, is a good approach to end up with different photographs that present the perspective you want. It is always advisable to experiment with all sorts of effects and analyze the original to processed edits, by yourself or along others, for better feedback.''</code> | |||