Article ID: 981 - Last Modified: December 4, 2010
What are Canvas custom views, and how can I use them?
When you import structures into Canvas or open an existing project, the view of the project that you see is the "master view". This is a window with a spreasheet that gives you access to all the data in the project and all the functionality in the GUI. The master view allows you to change the data and the structures. You can change the visible rows and columns in the master view, but you can only have one such view visible at a time.
Custom views are snapshots of a particular set of rows and columns from the spreadsheet, arranged in a particular way. You can create as many custom views as you want, which allows you to have multiple views visisble at the same time. They are stored in the project, so you can recall them at any time.
Custom views thus provide a convenient and powerful way of organizing your data, and saving that particular organization. For example, you can create a custom view after sorting, filtering, or clustering the data, from the results of a query, or from a search for the maximum common substructure of a set of structures.
You can combine custom views with logical operations. For example, you might want to see the structures that match a query on the structure and belong to a particular cluster. You can run both operations on the master view and create custom views from them, then perform a logical AND on the two views to see the structures that have both.
You can apply the selection of rows or columns in a custom view to the master view. This allows you to run an application on the structures that are shown in a custom view.
Custom views can be changed after they are created, and you can undo the changes. When you make changes, you must save them if you want to keep them.
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