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How to Delete Images in Capture One Pro 7

Often, one of the first tasks to do after importing images into Capture One Pro 7 is to delete those images that you don’t want to keep.  Doing so early in the workflow makes it easy to focus on the good images.

Capture One has always offered an easy and convenient trash concept when organizing images in a Session. When you delete an image from a Session, the image will be moved to the Session Trash folder.  You can always look in the Trash folder and move files back if you regret your deletion. You only delete the files for good if you use the option “Empty Session Trash”.

When organizing your images in a Catalog, Capture One Pro 7 has a similar concept for deleting images but it works a little different and is dependent on whether the original files are stored inside the Catalog or on an external location.

Deletion of images stored inside the Catalog

When working with images stored inside the Catalog, Capture One Pro 7 also provides an easy method of handling trashed images.  When you delete an image, it will be removed from the Catalog and added to the Trash Collection.

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As with a Session, you can look in the trash collection and move the files back into any other user collection or into the All Images Collection, if you regret your deletion. If you want to delete the images permanently from the Trash Collection, you can right click on the Catalog Trash and select the “Empty Catalog Trash”.

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When you delete an image, for instance from your Recent Imports Collection, you will get a warning telling you that the image will be removed from the Catalog and put into the Catalog Trash (as shown above).

Deletion of images stored outside the Catalog

When your original files are stored outside the Catalog, you will typically have organized the files into a structured folders system – e.g. by using year, month and event name in the folder names.  One of the benefits of using images stored outside the Catalog is that you don’t need to have access to your images in order to work and search within the Catalog (check out this previous post to learn more about storing your images outside the Catalog) This allows you to bring a smaller Catalog with you on the road more easily. Another benefit of using images stored externally, is that you can have different Catalogs referring to the same original file, while you have total freedom to adjust the image in different ways in different Catalogs.  For instance, you could create a Black and White Catalog, as well as a Catalog for Color versions of the same raw files.

When deleting an image that’s stored outside the Catalog, Capture One Pro 7 does not use the Catalog Trash but gives you 2 options.  You can either remove the image from the Catalog but leave it at its location or you can remove it from the Catalog and into the OS System Trash.  The first option makes sense if you have another Catalog that uses the same image folder.

Tip709-Img6Warning dialog when deleting a file where the raw image is stored outside of the Catalog

Deleting multiple images

Right after import, I typically browse through the Recent Import folder and delete all those images, I for sure don’t want to keep.  If I delete the files as I browse through them, I need to choose the deletion option for each image. To avoid this, I simply use the shortcut for tagging the images I don’t like with the Red color Tag (short cut “-“).  After sorting, I use the filter to show only the Red Tagged images. I quickly double-check that all the Red tagged images should be deleted before I select and delete them at once.

Tip709-Img7Red color tag has been used to tag images for deletion. The Filter tool is used to show the images with a red tag.

Removing from a Catalog Album

If you have organized your images into albums, and you decide that a specific image should not be part of that album later, you can remove the image.  When doing so, you do not remove it from the Catalog but just from the selected album. The file is still part of the Catalog and you won’t get a warning.

If you want to remove the file totally from the Catalog, you need to locate the file in the “All Images” Collection and delete it from there.

All the best,

Niels

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Preview Sizes and Offline Editing in Capture One Pro 7

One of the great benefits of working with Catalogs in Capture One Pro 7 is the ability to work on your images – even when they are ‘offline’.

When you work with a Catalog in Capture One Pro 7, you can choose to store your original images inside the Catalog itself or you can store them at their existing location, for example on external hard drives.

The Catalog contains a preview image of every raw file in the Catalog, so even if you don’t have access to your storage media, you can still work with your image Catalog, edit metadata, organise it and even make visual adjustments.

Why do we use Previews in Capture One?

Every time an image is imported into a Catalog, Capture One Pro 7 creates an exact preview of the raw file and stores it within the Catalog.  Most operations in Capture One Pro 7 actually work with the preview, as it is much faster to use the smaller preview file than constantly having to read the much larger raw file.

Therefore, the images you see in the Browser and Viewer are the preview images. Capture One Pro 7 only needs to access the full raw file in order to show the image in the viewer if you need to view the image at 100% or if you work on a monitor with an extremely high resolution.  Capture One Pro 7 also does some smart caching, by reading images before and after the currently selected image thus making the shift to the next or previous image faster.

The preview will of course visually match the output image based on the adjustments made in Capture One Pro 7.

Preview Sizes in the Capture One Catalog

The size of the preview inside the Catalog file can be controlled by the Preferences Dialogue under the Image Tab.

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By default, the preview size is set at 2560 pixels in Capture One Pro 7 while the preview size was only 1024 pixels in version 6. Because Capture One Pro 7 now uses a much smarter method for compressing the preview files, the new default preview at 2560 pixels takes up roughly the same space as the old preview at 1024 pixels in Capture One 6.

The new high resolution default preview in Capture One Pro 7 really gives you great benefits when you work with offline files. The 2560 pixels give such a high resolution that you may not notice that you are working with offline images. Typically, you can even zoom into the images to about 50% without missing details in the images.

If you are working a lot with your images offline, it makes sense to use a larger preview size. A large preview will increase loading times for previews in the application, but on more powerful computers this will be less noticeable. Larger preview image sizes will also increase the general size of the Catalog.

Catalog Size Comparison

The following table shows the Catalog size for different number of images and preview sizes for Canon 5D Mark III raw files placed outside the Catalog.

Nr. of images

1000

5000

10000

25000

%

RAW size( Gbyte)

28

140

280

700

100%

preview size = 2560 (default)

1.62

8.12

16.24

40.6

5.8%

preview size = 1440

0.53

2.63

5.26

13.15

1.9%

preview size = 1024

0.28

1.41

2.82

7.05

1.0%

preview size = 640

0.15

0.76

1.52

3.8

0.5%

From the table, you can see that using the default preview size at 2560 pixels only takes up 5.8% more space than the original raw files but you get such a nice and large preview file for working with offline files.  On the other hand, the Catalog will take up 40.6 Gbyte if you have added 25000 images.  So, if you find that the “offline” preview quality is good enough with 1440 or 1024 pixels, then your catalog can actually be considerably smaller.

Changing Preview Sizes

To change the preview size, simply select a new value in the pull down menu.

Any changes made here will only affect images imported after the change has been made.  The previews of existing images will have the size set in the preferences at the time of import.

If necessary, you can update existing images with a smaller or larger size preview by :

1. Choose the new preview size

  1. Select the images in the Catalog to be updated
  2. Go to File>Regenerate Previews.  The Activity Monitor will show the progress of the preview generation.

Existing previews will be replaced with the new preview size.  Subsequent imports will also be made with the new size.

This may be useful to do if you have in the past chosen a smaller preview size and would like the benefit of a larger preview size.

All the best,

Niels

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Powerful Search & Filtering in a Session or Catalog

Capture One Pro 7 introduced a much improved toolset for searching and filtering your images – not only in a Catalog but also in a Session.

By default, the Filters tool is placed in the Library tool tab, containing the basic filters of Rating, Color Tag, Date and Keywords.

Whenever you browse to a collection of images, the search filters show a corresponding number to the right, which represents how many images match those criteria. For example, in this collection we can see that twenty images are rated at five stars and ten images are tagged with Green.

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To filter the Browser view to a certain criteria, simply click on the button next to the value.  In this case, we have selected to show only the five star rated images.  The browser view will be instantly filtered.

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Combining Search Criteria

To activate more than one filter simultaneously, simply click on the filters you want to activate whilst holding the Option key (Mac) or the CTRL key (Win).  This will filter the results in the browser based on all the selected filters.

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So consequently, only images with a Green tag and a Five star rating will be shown in the Browser.

Using the ‘Date’ Filter

The Date Filter acts as a very useful timeline on a collection of images.  It is split into Year/Month/Day so it is very easy to locate images shot in a particular period.

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Here we have selected to view the seven images that were captures on the 17th March, 2012 – with just one click.

Adding Other Filters

Besides from the default set, a whole host of other filters can be used to search an image collection.  Click on the arrow in the Filters tool bar and choose Show / Hide Filters.

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This will show the complete list of available Metadata filters.

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Simply check any of the boxes to make them available in the Filters tool.

Saving Searches as Albums

It is very simple to save a search using the filters as an Album or Smart Album.  Whenever there is an active filter, the Advanced Search option in the Filters tool search input bar is colored orange.  Clicking this will show the currently selected search criteria in the Advanced Search window.

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To save this as an Album (of the filtered images) or a Smart Album (of the current criteria) use one of the options in the window. The Album or Smart Album will then appear in the User Collections as shown below:

smartalbum

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