Canvas Release: Canvas DocViewer

Document created by Erin Hallmark Administrator on Jun 12, 2017Last modified by Erin Hallmark Administrator on Aug 14, 2017
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This document introduces Canvas DocViewer as noted in the Canvas Production Release Notes (2017-06-24) 

 

Information regarding known behaviors will be updated as made available by our engineering team.

Canvas DocViewer automatically converts common documents types into web-viewable and interactive learning experiences. This feature replaces the current Box previewer and Crocodoc annotation tools in Canvas and provides improved performance.

 

 

Release Schedule

Canvas DocViewer will be released according to the following timeline:

 

Beta Environment: Friday, June 2
DocViewer will apply to all courses in all beta environments ([yourschool].beta.instructure.com).

 

Free-for-Teacher: Monday, June 5
DocViewer will apply to all courses in our Free-for-Teacher account (canvas.instructure.com).

 

Production Environment: Monday, June 19, through Friday, June 23

DocViewer will apply to all courses in all production environments for paid accounts, including all international regions. Admins will be notified about production availability from Canvas Support.

 

Supported File Types

The following documentation and image types are currently supported in DocViewer:

 

  • Fixed Layout Formats: PDF
  • Microsoft Word: DOC, DOCX
  • Microsoft PowerPoint: PPT, PPTX
  • OpenDocument Formats: ODT, OTG, ODS, ODP, ODF, SWX, SXC, SXI, RTF
  • Text: TXT
  • Zip Files: ZIP

 

In SpeedGrader, supported file types are rendered as PDFs and support annotations.

 

Files can also be viewed full screen.

 

Canvas DocViewer interface in SpeedGrader

 

DocViewer Annotations

While the submission details page and SpeedGrader both allow users to create general comments about a submission, annotations allow users to create and highlight specific comments within a submission. Both assignment graders and students can add annotations to a supported assignment file; however, annotations are not supported in anonymous peer reviews.

 

A DocViewer session is active for up to 10 hours after a submission is viewed for a student. A session can be restarted at any time by refreshing the submission page.

 

Annotation Types

DocViewer includes a modern interface that looks and feels like Canvas and supports a variety of document and image types. The DocViewer toolbar displays the number of pages for a document, zoom in and out of the file, and use one of six annotation types for commenting: point, highlight, free text, strikeout, free draw, and area.

 

Users can create an annotation by clicking an annotation type. All annotation types support a variety of annotation colors.


Annotation selection is persistent, so the toolbar retains the current annotation type until another is selected.

 

Annotation Comments

All annotation types can be created without comments. Point and area annotation types display a comment text field immediately in the sidebar, but a comment is not required. Highlight, strikeout, and free draw annotation types display a document icon next to the annotation in the sidebar that can be clicked to create comments as necessary. All comments can be deleted by selecting the comment and clicking the comment’s Delete icon.

 

Hovering over the annotation displays the name of the person who made the comment.

 

Example of Strikeout Text annotation type in DocViewer

 

Comment Replies

All users can reply to any comments in the document by clicking the comment. However, comments and annotations can only be deleted by the user who created the comment or annotation. Annotations can be deleted by the user by selecting the annotation in the submission and clicking the Delete icon. Deleting the annotation will also remove any associated comments for the annotation.

 

Downloads

Documents with annotations and comments can be downloaded from the menu bar. However, currently replies to comments are not included in the download. 

 

Community Resources

Future Enhancements

DocViewer will continue to receive additional feature enhancements over future releases as indicated by the docviewer tag in Canvas Release Notes

 

Accessibility Improvements

As originally released in Free-for-Teacher (FFT) and Beta environments, DocViewer included minimal accessibility included in all other document viewing and annotation applications.

 

On Friday, June 16, DocViewer released improved accessibility functionality that enables students to access annotations and comments with a screen reader, including information about the annotation type, author name, comment, and any reply comments at the end of the document. This release makes Canvas the first accessible annotation and document viewing service available.

 

The release of this functionality is only the first step of a larger goal to create an exceptional feedback experience that is accessible for all Canvas users. DocViewer will continue to be improved with in-document annotations and accessible author-created annotations.

 

Customer Feedback

Community feedback for DocViewer is welcome per Canvas Community Feedback Guidelines, which outlines general feedback, broken functionality, and feature enhancements.

 

For DocViewer, feature enhancements should include the DocViewer tag. Before submitting a new idea, please review all existing DocViewer feature ideas.

 

Feature Documentation

All current feature functionality is noted in Canvas Guides DocViewer documentation. Comments are also welcome for functionality clarification. Lessons will also be updated with all future enhancements as indicated in release notes.

 

 

Known Behaviors

Known behaviors are being triaged by the Canvas engineering team—feature ideas do not need to be submitted regarding their functionality.

 

Information in this document will be updated as behaviors are resolved by the Canvas product team. The following immediate notable behaviors have been identified in DocViewer:

 

General

  • DocViewer does not adjust comment boxes for size or placement, especially across multiple pages, and some comments may overlap.

 

File Types

  • Advanced image and advanced document file types are currently not supported.
  • Excel files do not render content outside the spreadsheet print area.
  • PDFs that include forms with content added to them are not viewable in DocViewer.

 

Annotations

  • Annotation comments can be downloaded, but replies to any annotated comments are not included in the download.
  • Free text annotations cannot be resized. Additionally, the name of the user obstructs viewing the file in the background.
  • Annotations cannot be anonymous.

 

For specific updates regarding the progress of DocViewer behaviors, please view DocViewer Plan .

 

Other behaviors may exist in DocViewer that are not included in this document. To receive updates as available, please submit a support case as noted in our Canvas Community Feedback Guidelines.

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