Pdf and fast web view
In the past, a Viewer could stream arbitrary large documents for viewing optimization using standard PDF linearization , but we have extended this concept to support fast viewing of complex pages which are slow to render as well.
DocPub is a command-line utility which provides an alternative way of generating viewer optimized PDF files. By default, the Viewer is able to recognize a PDF that is Viewer optimized and will utilize this enhancement.
Get the answers you need: Support. View All. Get Started. Thus, compared to painting raster images, which already have pixel values defined, the rendering process takes longer, especially on machines with a small CPU and RAM. Other documents might not have any of the above complexities; instead, they may simply contain too much data due to the presence of high resolution images or multiple embedded fonts. PDFs with these objects take longer to download, especially for users without high-speed internet, and thus delay the initial rendering of pages.
Two methods can help you compensate for slowness -- linearization and flattening. Most PDFs generated today are not linearized. That means the information relating to a particular page is not organized sequentially but is stored in a giant dictionary. The information about this linearized structure then becomes available at the beginning of the file, making it possible for the viewer to determine what chunks of information to fetch and render first, without needing to wait for a large, complex PDF to fully download.
To build a prototype, first download a free trial. Then set up your backend to linearize and save documents. The second method, flattening, as its name implies, can dramatically decrease both the complexity and size of a document by streamlining the file.
There are two different types of flattening: annotation flattening and content flattening. Step 2 , installs this software procedure in your computer, and remember to register user, because if you do not register, it is just a trial version. Some functions will be disabled. Make sure you had successfully finished the installation. It will appear an icon in your desktop if you store it in this location. Please look this picture. When you finish these steps, you need to save the change.
Please look at picture 1. Removes all file attachments, including attachments added to the PDF as comments. Removes links to other documents. Links that jump to other locations within the PDF are not removed.
Strips information from a PDF document that is useful only to the application that created the document. This does not affect the functionality of the PDF, but it does decrease the file size. Decreases file size. The options in the Clean Up panel of the PDF Optimizer dialog box allow you to remove useless items from the document. These items include elements that are obsolete or unnecessary for your intended use of the document. Removing certain elements can seriously affect the functionality of the PDF.
By default, only elements that do not affect functionality are selected. If you are unsure of the implications of removing other options, use the default selections. Object Compression Options. Discard Invalid Bookmarks. Discard Invalid Links. Discard Unreferenced Named Destinations. Removes named destinations that are not being referenced internally from within the PDF document. Because this option does not check for links from other PDF files or websites, it does not fit in some workflows.
Optimize Page Content. Fast Web View restructures a PDF document for page-at-a-time downloading byte-serving from web servers. This option is especially important with large documents that can take a long time to download from a server. Check with your webmaster to make sure that the web server software you use supports page-at-a-time downloading. In the Preferences dialog box under Categories , select Documents. Select the same filename and location. When a message appears asking if you want to overwrite the existing file, click OK.
See Run an action. Legal Notices Online Privacy Policy. User Guide Cancel. Quickly reduce the size of a PDF file online. Try now for free. Some methods of compression may make images unusable in a print production workflow. Quick video tutorial.
0コメント