irfanview presentation error

Hi everyone,

I am wondering if someone can help me with running slideshows on a PC using Irfanview.

Here is what I am trying to do:

All my photos are kept on a server in my house, most of them are Lightroom’s dng RAW images, some are jpegs. I want to run a slideshow on my PC using the images on the server. I also want to load the previews inside dng files (because they show the version of the image I have modified using Lightroom).

So far, the only software which lets me do all this is Irfanview. Here is what I do:

• I create a text file containing the list of images on my server.
• Then I launch Irfanview using a script which reads that text file.

Details of those scripts are below.

It works but I want it to do more:

• I want to be able to run two slideshows simultaneously. I have two monitors attached to my workstation here. The left side one is in the landscape orientation (regular) the right side one is in the portrait orientation, (vertical).
• What I really would like to do is to show a slideshow of photos which were taken in the landscape orientation on the left monitor and show a slideshow of photos which were taken in portrait orientation on the right side monitor.

Still with me?

Strictly technically speaking, what I want should be do-able. After all:

• Irfanview lets you run multiple slideshows simultaneously.
• Irfanview also lets you run slideshows which specify which monitor to run on (if using fullscreen slideshow), and/or the position of the window where irfanview will run slideshow in (if using windowed slideshows)
• The orientation of images could be read from EXIF data embedded inside the images. A list of files could be created based on the orientation of the photo.

Here is where I run into issues:

• I am not able to actually run two Irfanview slideshows while specifying which monitor to run on. It seems like it does not read the switch I specify in the command line.
• What tool can I use to create a list of files in portrait and landscape mode?

Anyone has any ideas?

PS: I tried to post this question to Irfanview’s own forums but new user registration is closed there.

Scripts and settings which I have been using:

To create a list of photos on my server:

"dir /s /b /a:-d "\\SERVER\Photos and Videos\2013\*.jpg" "\\SERVER\Photos and Videos\2013\*.dng" >c:\temp\imagelist.txt"

To run slideshow using Irfanview:

"C:\Program Files (x86)\IrfanView\i_view32.exe" /slideshow=c:\temp\imagelist.txt /reloadonloop /closeslideshow /monitor=1

Slideshow settings:

Set Random slide advancement and time

Show text: $D[27-100]$F $E36867

Does anyone have any response? Anyone? Bueller ?

Or, maybe someone can respond with an alternative software (to Irfanview) that they use to run slideshows?

What you require is much more than I would even think of attempting, however I found this and hope its of help.

http://arstechnica.com/civis/viewtopic.php?f=20&t=537087

Faced with a similar problem, I simply opted to show the few portrait-orientation images on the landscape screen; less than ideal, but workable. Hardware was nothing more than a USB stick running on a 40" U-HDTV.

Would it be too much of a compromise to have two monitors (portrait + landscape) and just run the slide-show to both, relying on the audience to switch their view as appropriate?

I understand the aim of your solution, but it seems complex. Could a script be developed (based on EXIF) to distribute the images to slave computers running the correct orientation? Extra computers are cheap these days.

So yes, that script is my goal! I just do not know how to achieve it, yet. I wish Irfanview's forums would be open. People there could help me quickly.

As for distributing it to slave computers...not sure about that but these days with stuff like chrome cast , it should be do-able.

I have been sitting on this project where I want to convert old laptops into wall mount photo frames running slideshows off my server. Do-able, YES, just need to get off my butt and work on it.

(snip) Could a script be developed (based on EXIF) to distribute the images to slave computers running the correct orientation? Extra computers are cheap these days.

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How to Create a Slideshow Using IrfanView

Last Updated: July 1, 2021

wikiHow is a “wiki,” similar to Wikipedia, which means that many of our articles are co-written by multiple authors. To create this article, volunteer authors worked to edit and improve it over time. This article has been viewed 64,090 times. Learn more...

A slideshow can be a nice way of sharing your pictures with others. Well, you should know you don't have to spend a lot of money to do that. IrfanView lets you do it for free! Read this article to learn how to create a slideshow.

• This will take you back to IrfanView, but don't worry, your selected images will still be there.

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IrfanView > Slideshow

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A subreddit centered on the image editing program IrfanView. Feel free to post images you've made/enhanced using Irfanview, ask questions about the program, or just make posts on this topic in general.

Irfanview and Windows 11

I am totally frustrated. I have a new PC running Windows11. I've spent hours trying to force Windows to open photos in Irfanview, but I have failed. There is no option in Windows 11 for raw. although if I double-click on a Nikon nef file, it opens in MS Photos. I have followed all of the steps in the Irfanview site to no avail.

Is there any way to use Irfanview in Windows 11?

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Using IrfanView: a step by step guide

Knowing the image editing programs is key to making adequate quality retouching for your projects. Using IrfanView is very easy, especially if you carry out a step by step guide. In this guide we will explain each necessary step to follow to effectively manipulate your images with IrfanView so that they can reach a high level of quality.

1. What is IrfanView?

IrfanView is a free and open source image viewer. This tool is capable of opening and reading different image formats such as JPG, GIF, BMP, PNG, TIF, ICO, and PSD. Furthermore, this tool can also read vector image formats such as EMF, WMF, and SVG, as well as different video and audio formats. IrfanView is an important tool for those who work with images as it allows you to quickly edit and modify images without the need for expensive professional software.

IrfanView also includes a wide variety of additional functions. , allowing you to convert images between formats, take screenshots, create slideshows, crop, rotate, crop and much more. The app's simple interface is intuitive and easy to navigate, with well-organized tools and buttons so users can accomplish most tasks without hassle.

In addition to all the mentioned features, IrfanView is also compatible with version for Windows, MacOS and Linux . This tool is updated frequently, which means that users receive new features over time to enhance their experience with the tool. It is easy to use and can be downloaded for free from its official website.

2. How to download and install IrfanView?

IrfanView program download. To download IrfanView, users can access the official download site of IrfanView . Once the user reaches the download section of the site, he can download IrfanView by clicking the "Download" button. This download will automatically start on the computer, allowing the user to run the installer later.

Installation of IrfanView. To install IrfanView, you simply have to run the EXE file that is downloaded from the IrfanVIew website. Doing so will open a small installation wizard. The user will have to follow the steps of the wizard to install the program. During installation, the user will need to confirm the trust period and other details by clicking the “Continue” button or the corresponding keys on the keyboard. You will also have the option to change the location where temporary files are hosted.

Completion of the installation. Once all the steps have been completed, the IrfanVIew program will have been successfully installed on the computer. By clicking on the "Finish" button, the computer will open the program automatically. At first, a configuration screen will be displayed with which the user can adjust the basic parameters of IrfanView according to his preference. Once these options have been set, the program is ready for use.

3. How to use the basic functionalities of IrfanView?

Step 1: Learn the basics of IrfanView The first task is to understand the basics of IrfanView. To do this, we recommend watching the IrfanView video tutorial, which is available on YouTube. This tutorial provides a clear explanation of the basics of the application. This is an easy way to understand how the app works. If you are interested in learning more, there is also a wealth of documentation available on the web.

Step 2: Download and install the application After familiarizing yourself with the basics of IrfanView, the next task is to download and install the application. The download and installation process is very simple and the application is compatible with most of the popular operating systems. Once the download and installation is done, you can start using the app.

Step 3: Exploring the app's features Now that the app is installed, the next step is to explore its features and functionality. To do this, you can examine the menu bar at the top of the main application window. The menu bar contains all the possible functionalities of IrfanView. There are different tools to perform different tasks like copy, crop, change brightness, etc. Various hints can be found in the application's online help to familiarize yourself with its basic functionalities.

4. Use advanced features of IrfanView

Resize images with IrfanView

IrfanView is an easy to use image editing program that also offers some advanced functionality. If you're looking for a more sophisticated way to change the size, format, or other aspects of your images, here are some tips for .

The first and easiest of these advanced features is the option to resize an image. This can be done directly from the main menu, by selecting the “Image Size” option, which appears in the “Image” menu. This option allows you to change the image size to a predefined one, as well as being able to specify new sizes manually with your own specifications. To more accurately adjust the image size, options such as scaling percentage, aspect ratio, and target size are also included. Once you have selected your parameters, you can click the “OK” option to confirm the changes.

In addition, within the "Effects" section there is a "Resize" option. This feature of IrfanView allows you to change the values ​​including the ability to adjust the process so that it preserves the edges of the original image. This option is useful to fit the image to a predetermined size without distorting it, or to resize the image to a specific size.

Finally, a useful tool included in IrfanView is the "Cropper". This tool allows you to crop the selected image to fit within the desired boundaries. Once you have selected your boundaries, you can save the changes made to crop the image. With this tool it is possible to exactly adjust the limits of your image without cropping important parts.

5. Taking advantage of IrfanView's format support

IrfanView is one of the most popular and versatile image preview programs out there for Windows users. Among its functionalities, its support for a large number of image formats stands out, from the common ones such as .jpg, .png, .gif to the lesser-known ones such as .dds, .cmx, .plt, etc. This makes it ideal for users who want to view and edit images of different formats efficiently.

How to take advantage of IrfanView's format support There are many ways in which you can take advantage of IrfanView's format support to improve the quality of the images that users view. For example, the program allows the user to change the format of an image from a familiar one to a new and more compact one like .webp or .heif, which means better image quality with less weight. In addition, IrfanView also allows image conversion between different versions of the format, thus allowing images to be exported in newer versions of the format.

In addition, IrfanView supports the creation of files with multiple images, which makes it easier for users who want to compile multiple images together into a single file. This is useful for users who want to share images with other users but don't want to store them in an external file. Finally, the program also allows the creation of animated gifs from individual images, which makes it easier to create visual content for the web.

In short, IrfanView offers users an easy and efficient way to view, edit and convert different image formats. Support for a large number of formats and conversion functions makes it ideal for users who want to improve the quality and optimization of their images.

6. How to handle IrfanView export options?

Use and know the different types of export options in IrfanView It's a great way to get optimal results when transforming images for a variety of everyday uses. While IrfanView can be used in most normal image formats, there may be a variety of files that offer unique export settings. Learning these steps will help you understand how you can use these options to get the best results.

To get started, open the IrfanView program. After opening it, you will find a screen where you are allowed to upload image files. The most common image formats will be available by default. Once the image has been uploaded, you can click on the 'Export' option. This will allow you to choose between the different export options available.

Once the desired export option has been selected, you can start tweaking the different image parameters to get the best performance. This includes resizing, compressing the image, changing the resolution, and adding different effects. Once all the settings are ready, you can click the 'Export' button to perform the final export. The file will now be ready to be used in the different image formats.

7. Get free help when needed

Find professional advice: To help the entrepreneurial community, there are several organizations that offer free career counseling sessions. For example, the Center for Entrepreneurship and Business Development (CEDE) offers advice to businessmen, entrepreneurs and small businesses in different areas such as finance, administration, leadership and marketing.

Community help and support through the media: The media such as the Internet, radio, television, and newspapers are a good source of information for entrepreneurs. Many radio and television programs focus on promoting the development of the entrepreneurial community and offer important tips and information for those who are interested in starting their own business. There are also specific radio and television programs focused on entrepreneurship.

Business associations and online services: Business associations offer a wide range of services with the aim of helping entrepreneurs develop their businesses. These services include advice, technical assistance, seminars on topics related to entrepreneurship, as well as educational resources on labor laws and business strategies. On the other hand, online advisory services companies also offer consulting sessions at affordable prices to entrepreneurs.

With IrfanView it is very easy to create professional images with the default Windows image viewing and editing software. This step-by-step guide has provided users with the necessary information to have a great experience with this program. If you followed the steps above, you should now be able to use IrfanView like a pro. Experiment and have fun with IrfanView!

You may also be interested in this related content:

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[solved]Irfanview Problem

• Add to quote

I have used Irfanview for a long time and just started having a problem. I am on a laptop with limited a viewing area and when I do a PrtScreen and open Irfanview and paste it in I get the whole screen with a scroll bar on the side to be able too see the enture capture. I use to be able to crop something out even though some of the image would scroll out of view as I was cropping it and after selecting "crop selection" I would be able to see all of it with an available scroll bar and could post it somewhere like here and have the whole image available for viewing. Now when I do this what scrolls out of the range, even though it is still in the cropping borders is gone when I click "crop selection". I uninstalled Irfanview and reinstalled it to no avail. What am I missing.  

I have kept fooling around with this problem and came up with a work-around but still can't understand why it will not show the whole image inside the cropping box. I cropped it like I have been doing and then re-cropped the same image and used the scroll bar to get it back centered and below is the results. This wasn't necessary before and I am just wondering what I could have done to cause this problem.  

Attachments

maybe try a newer or older version  

As the saying goes "Been There Done That".  

Hiya Deke! I haven't the foggiest idea why this has happened to you, but let me suggest a work-around . . . Go to View, Display Options, and select Fit images to window and then close IrfanView to save the setting. now, every time you open IrfanView, and paste an image (or open one) it will fit within the window space, with no scrollbars. hitting the + and - keys will zoom in and out Hope that helps.  

Good Afternoon Randy I had it set to the default 1:1 and changed it to the one below as you suggested. The image is not quite as clear but your suggestion works for the bigger ones. Thanks and have a great day even though you are working(scary word for me) and take care.  

Just tried some of my stored images of the grandkids and your suggestion works great and the images are clear and I don't have to scroll. I thought I had tweaked all the settings in Irfanview for maximum benefits but just goes to show that a fresh perspective is very beneficial.  

Yeah, shrinking the image down to fit in the window will give you bad quality, but that is only viewable quality. The actual dimensions of the image are unchanged, just the way you are viewing it. Also, if do Alt+PrtScreen, it will only capture the active window, not the entire Screen. last option would be to use a screen Capture program. I use Gadwin PrintScreen so I can manually select the area I want to capture.  

Irfanview has a fairly good screen capture but I haven't needed to use it much,  

Thank again for the info. Will have a look at the program you mentioned. I am running on an old Acer with only 457mhz and I have to watch what I install.  

Randy After I click PrtSc I get the preview window of the clipboard with the various control buttons on the right side to continue capture and so forth. I am having trouble doing the "select and double click for a capture. I tried using Irfanview as the device to open with. Should I leave everthing set at the default to capture as you mentioned. PS-I finally found the Help file in that preview window so maybe I will now get it set up correctly.  

yo yea randy if you make a bigger file small it will have better quality, you'll notice it in games  

Deke said: Randy After I click PrtSc I get the preview window of the clipboard with the various control buttons on the right side to continue capture and so forth. I am having trouble doing the "select and double click for a capture. I tried using Irfanview as the device to open with. Should I leave everthing set at the default to capture as you mentioned. PS-I finally found the Help file in that preview window so maybe I will now get it set up correctly. Click to expand...

J-Son said: yo yea randy if you make a bigger file small it will have better quality, you'll notice it in games Click to expand...

Thanks Randy. You might know the only the only "Capture" item I didn't try was "Rectangular". Just gave up to soon. Works like a charm. Thanks for sticking with me on this. PS-This works great on text I want to save. Before I had to copy and paste to a text file. :up: :up:  

Randy-One more thought on this. I thought I had read all the help file but missed this: "Rectangular capture areas are not automatically captured after you press the hot key. You must specify the area of the image that you want to capture. Position the cursor where you want to anchor the user-defined area drag to create a rectangular area capture. You can fine tune your capture by moving the sizing handles. After making any adjustments, press Enter or right-click anywhere to finish the capture."  

Yes, and you can also double-click the captured area. If you change your mind, or p[ressed the Print Screen by accident, then pressing Escape will close the capture screen.  

RandyG said: but back to your opening problem . . . do you care about solving it?? It must be a setting somewhere that has changed, becaue it I try to crop int he scrollbar areas, the image moves with the click and drag. If you don't care, then maybe we can let this thread die? Click to expand...

I finally got the Hot Key to change to F12 as I wanted to save the PrtScr key for Irfanview. I notice Gadin does not scroll when selecting but that is just a minor thing.  

I can't duplicate your problem, and am using IrfanView 3.91 on a Win2k system. If uninstalling and resinstalling didn't work, nor did using different versions, I'd say it has something to do with another program that is running at the same time conflicting with it somehow??  

One other slight difference is I am running 3.92 instead of 3.91. I will just use Gadin for most of my captures. The only downside is if they don't fit on this pisant size laptop screen. My wife is about ready to strangle me because I will not upgrade to a full desktop. Thanks for all the info.  

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IrfanView stopped recognizing any scanner driver / TWAIN source after either Windows 11 22H2 update or after installation of faulty scanner driver

When I select File > Select Scan/TWAIN Source... menu item, I see an empty box with zero items / TWAIN sources / scanner drivers.

I have three scanner drivers installed in my Windows 11 Pro 22H2. I use two other programs (NAPS2 and Paint) and both of them recognize both sources / drivers without any problems and can scan images from these sources.

It all started a week or two ago with installation (and then deinstallation) of what turned out to be an incorrect printer driver. Ever since then all drivers are gone (fron IrfanView only).

Restarted computer many times. No effect. I have uninstalled my old 4.35, deleted C:\Program Files\Irfan View folder and installed back the newest 4.60 64-bit. No effect.

What else can I try to resolve this issue?

The story in details (if needed) goes like this:

• I had two scanners (bundled with HP multi-devices: HP LaserJet 1530 and HP LaserJet M426) and IrfanView 4.35.
• I've been scanning using this software-hardware setup for ages (years). All OK.
• Tried to install third (old Plustek flatbed scanner), but I used wrong driver (so I wasn't able to scan from it using any software).
• Uninstalled the faulty driver and trashed the old scanner (no Windows 11 scanner or support available).
• After 2-3 days I noticed that IrfanView sees no TWAIN sources (where previously it saw two).
• I have uninstalled IrfanView 4.35 completely and installed 4.60 in its place.
• No scanner / TWAIN sources again.
• I have installed drivers for my third scanner.

And the story returned back to point 5th. IrfanView sees neither this new scanner nor two older ones, while Windows 11 Pro and all other image-related software (Paint and NAPS2 in my case) sees all three drivers and is able to scan from all these TWAIN sources without any problems.

There's also a chance that the above story has nothing to do with this and that IrfanView stopped seeing any TWAIN source after recent update to (the newest) Windows 11 Pro 22H2. As these two events (Windows update and scanner access lost in IrfanView) happened in the fairly the same moment of time.

Has anyone of you already updated Windows 11 to 22H2 and can confirm that TWAIN sources are still there, as there were before this update?

• windows-11-v22h2

2 Answers 2

https://irfanview-forum.de/forum/program/support/95958-irfanview-does-not-recognize-any-installed-scanner

I signed up here, because I had the same issue, and I actually managed to fix it. It's actually caused by an incorrect copy of the twain selector .dll (TWAINDSM.dll) that some scanner drivers add in the system folders. Irfranview then ends up loading it instead of the correct twain_32.dll that comes bundled with Windows.

To fix this, open a cmd prompt with admin rights and navigate to system32. Then run the following commands:

regsvr32 /u TWAINDSM.dll (this unregisters the dll if it's in use, if you get an error just ignore it, it probably wasn't registered then)

del /f TWAINDSM.dll

Repeat the same process for syswow64 folder. The scanner select window should work again.

• I managed to fix this issue some other way (really don't remember, how; one day, out of nowhere all my scanners has returned). But, I am accepting your answer since it can be a valuable source od solutions for others. –  trejder Commented Aug 10, 2023 at 15:19

I can confirm that after the update to Windows 11 22H2 the TWAIN drivers have disappeared. Now I can use in IrfanView 4.62 32-bit only with the Canon Lide 400 Driver

My Windows 11 is 22H2 (OS Build 22610.1)

I had a suggestion that the drivers were 32-bit, so I installed the 32-bit IrfanView to make sure it works better with them.

• I am accepting your answer, because it partially resolved my issue. Installing 32-bit IrfanView did forced scanners to appear in "Select Source" window. But selecting any of it and then clicking OK in TWAIN Acquire window brings no effect. As an effect, my IrfanView stopped being usable for any kind of scanning. –  trejder Commented Dec 18, 2022 at 13:42
• I would proceed with the installation of the drivers of the scanner, then. If after selecting the scanner it cannot proceed - re-installing the scanner-drivers should help. One more, but important thing is to install the IrfanView Plugins (32-bit), they contain support for numerous formats, and may help for scanning to work too. irfanview.com/plugins.htm –  Victor Ivanov Commented Dec 20, 2022 at 13:16

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Question   Error opening webp graphic files in IrfanView

• Thread starter kacper6768
• Start date Nov 7, 2023
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• Published: 03 September 2024

Complexity and order in approximate quantum error-correcting codes

• Jinmin Yi   ORCID: orcid.org/0000-0001-6948-2464 1 , 2 ,
• Weicheng Ye 1 ,
• Daniel Gottesman 3 &
• Zi-Wen Liu   ORCID: orcid.org/0000-0002-3402-9763 4  

Nature Physics ( 2024 ) Cite this article

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• Information theory and computation
• Quantum information
• Theoretical physics
• Topological matter

Some form of quantum error correction is necessary to produce large-scale fault-tolerant quantum computers and finds broad relevance in physics. Most studies customarily assume exact correction. However, codes that may only enable approximate quantum error correction (AQEC) could be useful and intrinsically important in many practical and physical contexts. Here we establish rigorous connections between quantum circuit complexity and AQEC capability. Our analysis covers systems with both all-to-all connectivity and geometric scenarios like lattice systems. To this end, we introduce a type of code parameter that we call subsystem variance, which is closely related to the optimal AQEC precision. For a code encoding k logical qubits in n physical qubits, we find that if the subsystem variance is below an O ( k / n ) threshold, then any state in the code subspace must obey certain circuit complexity lower bounds, which identify non-trivial phases of codes. This theory of AQEC provides a versatile framework for understanding quantum complexity and order in many-body quantum systems, generating new insights for wide-ranging important physical scenarios such as topological order and critical quantum systems. Our results suggest that O (1/ n ) represents a common, physically profound scaling threshold of subsystem variance for features associated with non-trivial quantum order.

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Acknowledgements

We thank A. Anshu, Y.-C. He, H. Ma, S. Sang, B. Yoshida, S. Zhou, Z. Zhou and Y. Zou for valuable discussions and feedback. J.Y. would like to thank A. Burkov for his support. D.G. is partially supported by the National Science Foundation (RQS QLCI grant OMA-2120757). Z.-W.L. is partially supported by a startup funding at YMSC, Tsinghua University. Research at the Perimeter Institute is supported in part by the Government of Canada through the Department of Innovation, Science and Economic Development Canada, and by the Province of Ontario through the Ministry of Colleges and Universities.

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Jinmin Yi & Weicheng Ye

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Joint Center for Quantum Information and Computer Science (QuICS) and Computer Science Department, University of Maryland, College Park, MD, USA

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Z.-W.L. conceived and designed this project, drawing inspiration from conversations with J.Y. and W.Y. and especially D.G. J.Y. led the technical development of this work, which was supervised by Z.-W.L. All authors contributed to the discussions that shaped this work. J.Y. and Z.-W.L. are primarily responsible for the technical content and writing of the paper.

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Yi, J., Ye, W., Gottesman, D. et al. Complexity and order in approximate quantum error-correcting codes. Nat. Phys. (2024). https://doi.org/10.1038/s41567-024-02621-x

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Accepted : 24 July 2024

Published : 03 September 2024

DOI : https://doi.org/10.1038/s41567-024-02621-x

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