Technical FAQs

Question

Currently we are using PAS for viewing packages and it is pointed to our Accusoft Cloud subscription API key. PAS is installed locally and we store the viewing package artifacts in our S3 bucket. We are using 600 GB of storage on S3 for the viewing package artifacts we already have converted.

We would like to start using Accusoft’s Cloud PAS API to create viewing packages and no longer wish to host our own PAS and have the following questions:

  1. Is there a way we can migrate our current artifacts from our S3 bucket to Accusoft’s S3 bucket?

  2. Is there an additional charge for storing the artifacts at Accusoft?

  3. Is there a way to point the Cloud PAS to our existing S3 bucket?

Answer

Q: Is there a way we can migrate our current artifacts from our S3 bucket to Accusoft’s S3 bucket?

A: We do not currently offer an API for directly importing your existing viewing packages. However, you can re-create your viewing packages in PrizmDoc Cloud using the original source document.

Q: Is there an additional charge for storing the artifacts at Accusoft?

A: At this time there is no additional charge. However, this is
subject to change.

Q: Is there a way to point the Cloud PAS to our existing S3 bucket?

A: There is currently no setting available to configure your PrizmDoc Cloud account to use an S3 bucket which you own. If you use PrizmDoc Cloud, the storage is managed by Accusoft. If you need to own and manage the storage yourself, you’ll want to use your own Self-Hosted PAS.

Question

I know the coordinates and dimensions of the content I would like to highlight, but the highlight annotation only works on text. Is there a way to create an annotation that highlights a specific area of a document?

Answer

The best way to do this would be to create a yellow rectangle annotation with 50% opacity (these are the same default values used by the text highlight annotation). The code below demonstrates how to do this in the viewer:

//Create a new rectangle annotation
var rectangleMark = viewer.viewerControl.addMark(1,  PCCViewer.Mark.Type.RectangleAnnotation);
//Set the coordinates and dimensions of the annotation
rectangleMark.setRectangle({x: 100, y:  100,  width : 200, height: 200});
//Set fillcolor to yellow
rectangleMark.setFillColor("#FFFF00");
//Remove the border
rectangleMark.setBorderColor("transparent");
//Set opacity to 50%
rectangleMark.setOpacity(127);
Question

What’s the difference between a Viewing Session and a Viewing Package?

Answer

Viewing sessions require source information for the document that you want to view. There are 3 types of sources to choose from: File, URL, and viewing package.

A viewing package is a file you want to view that is stored in its already “converted state”, which we call “pre-conversion”. This is different than a file or URL because these sources are converted and set in a temporary cache folder for use until the cache is cleared out.

Viewing package information can be set to never expire which is useful if you have documents that will be viewed over and over again by many clients. This allows the server not to have to convert the file every time and increases performance.

Question

In some other viewers, there are highlights or markers that appear on the UI to indicate that annotations are available for a given page or document. Is there a way to implement this in PrizmDoc?

Answer

Sure can, you just need to make a MarkupLayerRecords request to determine if there are marks that pertain to the given Viewing Session. Keep in mind that documents don’t really have a specific set of annotations associated with them though — Markup IDs do, and you can specify any Markup ID you want when you create a viewing session:

// Add rules to your CSS for the following classes.
// The actual style information can be whatever you like.
//
// .mark-indicator {
//     background-color: gold !important;
// }
//
// .marked-page-indicator {
//     background-color: gold !important;
// }

let pasUrl = "http://localhost/pas-service"; // Example PAS proxy URL
let viewingSessionId = <%= viewingSessionId %>; // Example viewingSessionId
let thumbnailButton = $(".pcc-icon-thumbnails");
let pageIndicatorsAdded = false;
let thumbnailsClicked = false;
let marksRetrieved = false;
let markedPages = {};

async function addPageIndicators() {
    console.log("Attempting to add page indicators...");
    if (thumbnailsClicked && marksRetrieved && !pageIndicatorsAdded) {
        console.log("Conditions met.");

        let wrappers = $(".pccThumbnailWrapper");

        wrappers.each(function(index, wrapper) {
            if (markedPages[index]) {
                $(wrapper).addClass("marked-page-indicator");
            }
        });

        pageIndicatorsAdded = true;
    } else {
        console.log("Conditions not met");
    }
}

thumbnailButton.click(function() {
    console.log("Thumbnails button clicked.");

    thumbnailsClicked = true;

    addPageIndicators();
});

async function apiCall(type, url, body = {}) {
    return await $.ajax({
        "type": type,
        "url": url,
        "contentType": "application/json",
        "data": JSON.stringify(body)
    });
}

async function createMarkIndicators() {
    let output = await apiCall("GET", `${pasUrl}/MarkupLayers/u${viewingSessionId}`);

    if (output.length > 0) {
        console.log("Found layers.");

        thumbnailButton.addClass("mark-indicator");

        let layers = await Promise.all(output.map(function(element) {
            return apiCall("GET", `${pasUrl}/MarkupLayers/u${viewingSessionId}/${element.layerRecordId}`);
        }));

        layers.forEach(function(layer) {
            layer.marks.forEach(function(mark) {
                markedPages[mark.pageNumber - 1] = true;
            });
        });

        marksRetrieved = true;

        console.log("Marks retrieved.");

        addPageIndicators();
    } else {
        console.log("No layers found.");
    }
}

createMarkIndicators(); 
Question

We are trying to create new viewing packages, however, in the [prizmdoc_process] table we see the process is 100% complete. However, the error code field indicates an Internal Error.

The document does not display in the viewing session and gives a 480 error. The following error code is:

{errorCode: “ViewingPackageNotUsable”}

What might be the issue?

Answer

When creating viewing packages, the PrizmDoc Application Services (PAS) uses the PrizmDoc Server to do the conversion work. In order for the viewing package to be created successfully, the PrizmDoc Server needs to be licensed and healthy.

If you see an error “ViewingPackageNotUsable” this can be related to the PrizmDoc Server either not being healthy or specifically not being licensed.

To verify the PrizmDoc Server status and if it is licensed, you can run the following command on the PrizmDoc Server in a web browser:

http://localhost:18681/admin

Question

My PrizmDoc Cloud hosted server is reporting as unlicensed even though the license lease file is being written to the S3 bucket, what could be causing this?

Answer

This issue can occur when using a single S3 bucket for both licensing files as well as additional document storage. When our cloud licensing module attempts to search for the expected lease file inside of this S3 bucket, it requests the list of objects in that directory. However, whenever there are more than 1,000 objects in this bucket, this call only returns a list of the first 1,000 objects.

If there are over 1,000 objects in the bucket, then this could cause the Licensing Service to not see the license lease file when it gets the list of files. The result is that no lease file is found, which in turn causes the service to go unlicensed.

The solution for this issue is to make sure the bucket you are using for licensing is only used for that purpose. Should you encounter this issue, try moving all other files out of the bucket. If that is not possible, you may need to contact Accusoft Support to request changing the bucket your license uses for licensing.

Question

When viewing an Excel document with hidden content in the viewer, the content remains visible when otherwise expected to remain hidden. Is this intended behavior?

Answer

Short answer: Yes.

Currently, both PrizmDoc Cloud and PrizmDoc Viewer (Self-Hosted) are configured to render hidden content by default, so this is expected behavior.

For PrizmDoc Viewer (Self-Hosted) users, this rendering behavior is configurable using the central configuration file.

The file paths for the central configuration file are:

  • Linux: /usr/share/prizm/prizm-services-config.yml
  • Windows: C:\Prizm\prizm-services-config.yml

Simply add/modify the following parameter:

fileTypes.excel.renderHiddenContent: false

Setting the render option to false will hide content as expected, whereas true will render it.

Question

How does the PrizmDoc print function work exactly?

Answer

Every page of the specified print range is being loaded and sent to the printer. This occurs in an iframe separate from what is shown in the Viewer so the user does not actually see this happening.

The actual method being used is one of the following, depending on the browser:

  • _iframe.contentWindow.document.execCommand('print', false, null);
  • _iframe.contentWindow.print();
Question

When doing a text search in a document in PrizmDoc, the highlight color for the search results is a light blue background. Is there a way to change the highlight color for search results in the PrizmDoc Viewer?

Answer

You can change the highlight color specifically in the PrizmDoc Viewer file viewer.js file located in the viewer-assets\js folder of your project/application.

You will need to locate 2 instances of the search term “highlightColor: undefined” in the code block below located close to line 4400. The actual line number will vary depending on the version of viewer.js you are using. You can replace “undefined” with a hexadecimal color value which you can look up from the following site: https://htmlcolorcodes.com/

// This is a request for a new searchQuery triggered by the search input field.
// Generate new search terms, and save them globally.
prevMatchingOptions = _.clone(matchingOptions);

if (matchingOptions.exactPhrase) {
    // We need to match the exact string, as is
    if (queryString.length) {
        searchTerms.push({
            searchTerm: queryString,
            highlightColor: undefined,
            searchTermIsRegex: false,
            contextPadding: 25,
            matchingOptions: matchingOptions
        });
    }
} else {
    // Split up multiple words in the string into separate search term objects
    var queryArr = queryString.split(' ');
    queryArr = _.unique(queryArr);
    _.forEach(queryArr, function(query){
        if (query.length) {
            searchTerms.push({
                searchTerm: query,
                highlightColor: undefined,
                searchTermIsRegex: false,
                contextPadding: 25,
                matchingOptions: matchingOptions
            });
        }
    });
}         
Question

We are using PrizmDoc and may be adding more end users, so we wanted to verify whether there is a limit to the number of viewing sessions that can be active at one time.

Answer

PrizmDoc does not specifically limit the number of viewing sessions that can be active at any given time. However, when opening a viewing session with a document, a conversion does take place. The number of conversions that can be handled simultaneously is based on the hardware constraints of your server.

Various factors, such as the size of documents, the number of conversions, and the hardware being utilized may impact the performance of your PrizmDoc server.

We provide server sizing and performance documentation that is designed to provide guidance and approximate server size based on the number of conversions you plan to do per minute.

Please refer to our documentation page:

https://help.accusoft.com/PrizmDoc/latest/HTML/webframe.html#prizmdoc-server-sizing-servers.html

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