Question on png's, gif's, and jpg's as imageSources in WDJ and WDA

If you go to MIMEs in SE80, you will find that the WDA imageSources for the WDA version of the WDJ/NWDS Quiz tutorial are a mixed-bag: gif's, png's, and I think one jpg.
In NWDS/WDJ, on the other hand, the Quiz tutorial (#2) calls for all images to be jpg's.
If I download the gif's and png's using the download function in SE80, can I declare the imageSources in NWDS/WDJ using these two suffixes as well as the jpg suffix?
Or does NWDS/WDJ require all imageSources to be jpg's ???

You can use any of the mentioned images types in WD Java.
Armin

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This is a crosspost.
Chances are that you won't get a resonable response when you do that. Try reading How to Ask Questions the Smart Way. That will give you plenty of pointers on getting reasonable responses.
The response in your other post is a literal answer to you question, google is your friend.
For a direct answer, here's the the Jpeg FAQ. If what you are actualling requesting is "how do I use images in Java" take a look at the ImageIcon class, the javax.imageio package and search this forum for examples. You could also check the How to use Icons in the Java Tutorial.

Color difference between PNG and JPG in Save For Web

I am working on a website and I while building images for the site I am using a mix of png and jpg images. When I "Save for Web" the same source image creates two different color images when I save them as either png or jpg. How do I make sure the images are saving with identical colors in both png and jpg. Thanks

>My working space is Adobe RGB but I'm not opening the sRGB PNG into Adobe RGB. I am choosing "Leave as is (don't color manage)" this should preserve the PNG's RGB numbers.
are you certain it is not being converted when you open it?
The numbers you quoted are the numbers I get if I open an untagged sRGB image into Adobe RGB (assuming Adobe RGB), and then convert to sRGB.
If I open my sRGB images, either PNG or JPEG, into sRGB, they always match. I've been working on a web site for the past 3 weeks, doing this regularly.
If you are working in Adobe RGB with sRGB images that are not tagged, you add a level of complexity that requires you make the right decision at every step. You need to open them without conversion, then assign sRGB, to keep working.
Or just open the images in Firefox 2, which cannot color manage, and see if the sRGB jpeg and the sRGB PNG match. This is the acid test.

What's the difference between PNG and JPG for exporting .idea files from the Adobe Ideas app?

What's the difference between PNG and JPG for exporting .idea files from the Adobe Ideas app?
What situations are better to export to to .PNG or .JPG?
J

iPad apps are designed specifically for the iPad and will not run on the iPhone or iPod Touch. iPhone/iPod apps will run on the iPad, but will only take up an iPhone sized portion of the iPad screen (though you get a 2x button which effectively doubles each pixel in both directions so may appear pixelated). There are also 'universal' apps (which have a '+' symbol against them in the store) which have processing in them to recognise the device that they are on and will tailor the display accordingly (so will make use of the iPad's larger screen).

How can I invalidate everything except .gif and .jpg

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I need to invalidate every page except the static objects as gif jpg. Can I create a rule that invalidates everything except gif and jpg.
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currently webcache invalidation does not have the expressive power to describe "anything but".
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GIF and JPG become damaged

I have a weird problem with some GIF and JPG images which I
use in a RoboHelp project. They appear to get damaged, but I nor
anyone else changes them. The bottom part becomes scrambled or
entirely black. The strange thing is that when I put the project on
my local hard disk, nothing happens, but when they are on the
server (with RAID disk sytem), then trouble begins.
Until now, nobody else who's wordking on the server reported
damaged files, so it seems that I'm the only one so far.
The trouble began on Sept. 11. Some projects I worked on
since that day have problem files. Most projects are RoboHelp, but
there's also a Word-project involved with a damaged JPG-file.
Anyone?

Hi Peter
I've indeed already experienced that some RoboHelp projects,
mainly large onces, are better run on the local hard disk.
But this is a different problem I think. The project is run
locally, which goes well, but when I copy it to the server disk for
backup reasons, then some GIF-files get damaged after a while,
while nobody opens the project on the server. When I copy the same
files to another server's disk, then the files do not get damaged.
I also have a Word project that has a JPG file that has got
damaged.

Some GIFs and JPGs appearing with yellow "wash" when loading in Safari

Hi,
I've flicked through forums, google, and called my top graphics people but nobody can seem to help, or has ever even heard of, my issue.
Here it is in a nutshell:
Some GIFs and JPGs appear with a yellow "wash" when being loaded in Safari. I can confirm this is happening on 3 different Macs, and even on a PC running Safari.
Safari 3.1.1 on Windows XP
Safari 3.1.2 on Mac OSX 10.5.5
Here's some examples of it occurring:
http://staging.tomatosource.com.au/test/bad.jpg
http://staging.tomatosource.com.au/test/bad.gif
You might need to refresh the page in Safari a couple of times to see the flicker but it's there.
I've tried:
- resaving images with and without "progressive" and "interlaced"
- a variety of different colour palettes
- taking a screenshot of the image, putting back into Photoshop and resaving
Has anybody seen this issue before? Unfortunately I can't go live with this site until I fix this very strange error.
Any comments would be greatly appreciated!
Cheers,
Jase.

Totally independently from your current problem, Safari is cr@p. Dump it.
All Apple applications, from the Finder through Preview and iPhoto to Safari, assign Monitor RGB to ALL untagged images, even if they were created or saved in sRGB.
The only current properly color-managed web browser is Firefox 3.0.1. Just keep in mind that you have to enable color management deep inside the guts of Firefox.
See this existing thread in the Adobe Photography forum:
Ramón G Castañeda, "Beware of using Adobe Web Galleries" #49, 14 Sep 2008 4:52 pm

LR 4.4 (and 5.0?) catalog: a problem and some questions

Introductory Remark
After several years of reluctance this March I changed to LR due to its retouching capabilities. Unfortunately – beyond enjoying some really nice features of LR – I keep struggling with several problems, many of which have been covered in this forum. In this thread I describe a problem with a particular LR 4.4 catalog and put some general questions.
A few days ago I upgraded to 5.0. Unfortunately it turned out to produce even slower ’speed’ than 4.4 (discussed – among other places – here: http://forums.adobe.com/message/5454410#5454410), so I rather fell back to the latter, instead of testing the behavior of the 5.0 catalog. Anyway, as far as I understand this upgrade does not include significant new catalog functions, so my problem and questions below may be valid for 5.0, too. Nevertheless, the incompatibility of the new and previous catalogs suggests rewriting of the catalog-related parts of the code. I do not know the resulting potential improvements and/or new bugs in 5.0.
For your information, my PC (running under Windows 7) has a 64-bit Intel Core i7-3770K processor, 16GB RAM, 240 GB SSD, as well as fast and large-capacity HDDs. My monitor has a resolution of 1920x1200.
1. Problem with the catalog
To tell you the truth, I do not understand the potential necessity for using the “File / Optimize Catalog” function. In my view LR should keep the catalog optimized without manual intervention.
Nevertheless, when being faced with the ill-famed slowness of LR, I run this module. In addition, I always switch on the “Catalog Settings / General / Back up catalog” function. The actually set frequency of backing up depends on the circumstances – e.g. the number of RAW (in my case: NEF) files, the size of the catalog file (*.lrcat), and the space available on my SSD. In case of need I delete the oldest backup file to make space for the new one.
Recently I processed 1500 photos, occupying 21 GB. The "Catalog Settings / Metadata / Automatically write changes into XMP" function was switched on. Unfortunately I had to fiddle with the images quite a lot, so after processing roughly half of them the catalog file reached the size of 24 GB. Until this stage there had been no sign of any failure – catalog optimizations had run smoothly and backups had been created regularly, as scheduled.
Once, however, towards the end of generating the next backup, LR sent an error message saying that it had not been able to create the backup file, due to lack of enough space on the SSD. I myself found still 40 GB of empty space, so I re-launched the backup process. The result was the same, but this time I saw a mysterious new (journal?) file with a size of 40 GB… When my third attempt also failed, I had to decide what to do.
Since I needed at least the XMP files with the results of my retouching operations, I simply wanted to save these side-cars into the directory of my original input NEF files on a HDD. Before making this step, I intended to check whether all modifications and adjustments had been stored in the XMP files.
Unfortunately I was not aware of the realistic size of side-cars, associated with a certain volume of usage of the Spot Removal, Grad Filter, and Adjustment Brush functions. But as the time of the last modification of the XMP files (belonging to the recently retouched pictures) seemed perfect, I believed that all my actions had been saved. Although the "Automatically write changes into XMP" seemed to be working, in order to be on the safe side I selected all photos and ran the “Metadata / Save Metadata to File” function of the Library module. After this I copied the XMP files, deleted the corrupted catalog, created a new catalog, and imported the same NEF files together with the side-cars.
When checking the photos, I was shocked: Only the first few hundred XMP files retained all my modifications. Roughly 3 weeks of work was completely lost… From that time on I regularly check the XMP files.
Question 1: Have you collected any similar experience?
2. The catalog-related part of my workflow
Unless I miss an important piece of knowledge, LR catalogs store many data that I do not need in the long run. Having the history of recent retouching activities is useful for me only for a short while, so archiving every little step for a long time with a huge amount of accumulated data would be impossible (and useless) on my SSD. In terms of processing what count for me are the resulting XMP files, so in the long run I keep only them and get rid of the catalog.
Out of the 240 GB of my SSD 110 GB is available for LR. Whenever I have new photos to retouch, I make the following steps:
create a ‘temporary’ catalog on my SSD
import the new pictures from my HDD into this temporary catalog
select all imported pictures in the temporary catalog
use the “File / Export as Catalog” function in order to copy the original NEF files onto the SSD and make them used by the ‘real’ (not temporary) new catalog
use the “File / Open Catalog” function to re-launch LR with the new catalog
switch on the "Automatically write changes into XMP" function of the new catalog
delete the ‘temporary’ catalog to save space on the SSD
retouch the pictures (while keeping and eye on due creation and development of the XMP files)
generate the required output (TIF OR JPG) files
copy the XMP and the output files into the original directory of the input NEF files on the HDD
copy the whole catalog for interim archiving onto the HDD
delete the catalog from the SSD
upon making sure that the XMP files are all fine, delete the archived catalog from the HDD, too
Question 2: If we put aside the issue of keeping the catalog for other purposes then saving each and every retouching steps (which I address below), is there any simpler workflow to produce only the XMP files and save space on the SSD? For example, is it possible to create a new catalog on the SSD with copying the input NEF files into its directory and re-launching LR ‘automatically’, in one step?
Question 3: If this I not the case, is there any third-party application that would ease the execution of the relevant parts of this workflow before and/or after the actual retouching of the pictures?
Question 4: Is it possible to set general parameters for new catalogs? In my experience most settings of the new catalogs (at least the ones that are important for me) are copied from the recently used catalog, except the use of the "Catalog Settings / Metadata / Automatically write changes into XMP" function. This means that I always have to go there to switch it on… Not even a question is raised by LR whether I want to change anything in comparison with the settings of the recently used catalog…
3. Catalog functions missing from my workflow
Unfortunately the above described abandoning of catalogs has at least two serious drawbacks:
I miss the classification features (rating, keywords, collections, etc.) Anyway, these functions would be really meaningful for me only if covering all my existing photos that would require going back to 41k images to classify them. In addition, keeping all the pictures in one catalog would result in an extremely large catalog file, almost surely guaranteeing regular failures. Beyond, due to the speed problem tolerable conditions could be established only by keeping the original NEF files on the SSD, which is out of the question. Generating several ‘partial’ catalogs could somewhat circumvent this trap, but it would require presorting the photos (e.g. by capture time or subject) and by doing this I would lose the essence of having a single catalog, covering all my photos.
Question 5: Is it the right assumption that storing only some parts (e.g. the classification-related data) of catalog files is impossible? My understanding is that either I keep the whole catalog file (with the outdated historical data of all my ‘ancient’ actions) or abandon it.
Question 6: If such ‘cherry-picking’ is facilitated after all: Can you suggest any pragmatic description of the potential (competing) ways of categorizing images efficiently, comparing them along the pros and contras?
I also lose the virtual copies. Anyway, I am confused regarding the actual storage of the retouching-related data of virtual copies. In some websites one can find relatively old posts, stating that the XMP file contains all information about modifying/adjusting both the original photo and its virtual copy/copies. However, when fiddling with a virtual copy I cannot see any change in the size of the associated XMP file. In addition, when I copy the original NEF file and its XMP file, rename them, and import these derivative files, only the retouched original image comes up – I cannot see any virtual copy. This suggests that the XMP file does not contain information on the virtual copy/copies…
For this reason whenever multiple versions seem to be reasonable, I create renamed version(s) of the same NEF+XMP files, import them, and make some changes in their settings. I know, this is far not a sophisticated solution…
Question 7: Where and how the settings of virtual copies are stored?
Question 8: Is it possible to generate separate XMP files for both the originally retouched image and its virtual copy/copies and to make them recognized by LR when importing them into a new catalog?

A part of my problems may be caused by selecting LR for a challenging private project, where image retouching activities result in bigger than average volume of adjustment data. Consequently, the catalog file becomes huge and vulnerable.
While I understand that something has gone wrong for you, causing Lightroom to be slow and unstable, I think you are combining many unrelated ideas into a single concept, and winding up with a mistaken idea. Just because you project is challenging does not mean Lightroom is unsuitable. A bigger than average volume of adjustment data will make the catalog larger (I don't know about "huge"), but I doubt bigger by itself will make the catalog "vulnerable".
The causes of instability and crashes may have NOTHING to do with catalog size. Of course, the cause MAY have everything to do with catalog size. I just don't think you are coming to the right conclusion, as in my experience size of catalog and stability issues are unrelated.
2. I may be wrong, but in my experience the size of the RAW file may significantly blow up the amount of retouching-related data.
Your experience is your experience, and my experience is different. I want to state clearly that you can have pretty big RAW files that have different content and not require significant amounts of retouching. It's not the size of the RAW that determines the amount of touchup, it is the content and the eye of the user. Furthermore, item 2 was related to image size, and now you have changed the meaning of number 2 from image size to the amount of retouching required. So, what is your point? Lots of retouching blows up the amount of retouching data that needs to be stored? Yeah, I agree.
When creating the catalog for the 1500 NEF files (21 GB), the starting size of the catalog file was around 1 GB. This must have included all classification-related information (the meaningful part of which was practically nothing, since I had not used rating, classification, or collections). By the time of the crash half of the files had been processed, so the actual retouching-related data (that should have been converted properly into the XMP files) might be only around 500 MB. Consequently, probably 22.5 GB out of the 24 GB of the catalog file contained historical information
I don't know exactly what you do to touch up your photos, I can't imagine how you come up with the size should be around 500MB. But again, to you this problem is entirely caused by the size of the catalog, and I don't think it is. Now, having said that, some of your problem with slowness may indeed be related to the amount of touch-up that you are doing. Lightroom is known to slow down if you do lots of spot removal and lots of brushing, and then you may be better off doing this type of touch-up in Photoshop. Again, just to be 100% clear, the problem is not "size of catalog", the problem is you are doing so many adjustments on a single photo. You could have a catalog that is just as large, (i.e. that has lots more photos with few adjustments) and I would expect it to run a lot faster than what you are experiencing.
So to sum up, you seem to be implying that slowness and catalog instability are the same issue, and I don't buy it. You seem to be implying that slowness and instability are both caused by the size of the catalog, and I don't buy that either.
Re-reading your original post, you are putting the backups on the SSD, the same disk as the working catalog? This is a very poor practice, you need to put your backups on a different physical disk. That alone might help your space issues on the SSD.

Photoshop Transparencies not working in Save for Web (png or gif)

Hello..
I've been searching the forums and google for a while, but everything I've found really seems unrelated. I have a little X icon (all gray) against no background, and there aren't any other layers. It doesn't work if there are either.. I'm really frustrated right now =(
Help please anyone?
Screenshots:

Ok this definitely has to be a localized bug on my machine.
I just went back into check - your comment about it looking perfectly normal got me thinking that maybe it's SUPPOSED to show the white area just to identify where color/opaque pixels are used - or something like that - but when I went in to look at the web preview I noticed two very strange things:
1. The preview area (at the bottom where it shows the filetype, size and estimated download time) was showing "GIF IMAGE", however I had PNG selected as my preset... I fiddled around and it fixed itself, and magically..
2. fixed my main issue here. That stupid white background is gone. HALLELUJAH!
You sir have the magic touch Here's what it SHOULD look like:
Best,
s

Photoshop wont open PNG or GIF files

i have recently encounter a problems that when i tried to opened the PNG or GIF files that i save earlier, photoshop CS3 just wont open it. It keeps giving me a messages saying "Could not complete your request because the file-format module cannot parse the file". I even reinstall the photoshop, but still receiving the same problem. If there any way i could fix it?
Thanks,

I just figured out my problem with this as I was gettig the same error message. Not sure if the following information will help with other's problems or not - I am using Photoshop CS3.
First, I made sure my plug ins for png were updated. You can find the instructions for manually updating this direct from adobe site..... http://www.adobe.com/uk/support/security/bulletins/apsb07-13.html
Though my plug in for png was not updated, I realized that my mistake was rather simple. I was creating png's in photoshop by saving as, and just typing in .png after the filename instead of choosing .png from the file extension drop down. I wasn't choosng png from drop down extension list because it wasn't appearing as an option, I thought this was weird but I just typed it in myself. It seemed to save just fine, however upon trying to reopen the png file, I was getting the same error message in phtooshop as Kelly.
The solution - Photoshop does not give you the option to save a file as .png if it is in CMYK image mode. It must be in RGB, which makes sense since .png is a file format created mainly for web viewing. Once you change your image to RGB (menu option: Image/Mode/select RGB), the .png file extension will appear in the drop down and you should not get an error message when opening the file.
If you were not the creator of the .png file, then you may need to contact whomever saved this file and let them know they need to resave it as mentioned above.
hope this helps!

Best way to Export and Run a CS2 action/plug-in and save to a JPG?

Can someone help me with this? I am new to actions and droplets and LR/CS2 for that matter. :) sorry if this is basic beginner questions.
Please let me know if this is not correct?
* My assumption is I will get the best quality if I Export as a PSD,16-bit,300ppi file and then run my CS2 Plug-in and action ... then save to a JPG?
If this is true ... this is my question.
1) In LRv1 ... how do I Export the file as a PSD 16-bit ... and have a Action/droplet that will ultimatly save a JPG for me ... in another folder labled JPG?
(prefer not to have a bunch of psd files that I have to go back and delete.
2) p.s. I also would like to know I can do the same thing ... but this time configur my Action/droplet to save a "minimize embedded metadata' sRGB, constrained to 800px ... "save for WEB" JPG ... in a folder named WEB.
3) The key question here "I guess" is when Exporting from LRv1 .. and running a action on LR Export ... Do I have to Export the "Same" type/size of file I plan to End up with???
* So, If I want to end (after the action/droplet) with a 800x600 sRGB I need to Export it that way ...then LR will Run my Plug-in,& Sharpening Action on a smaller , lower bit file?
Thank you all, who have helped me on LR
* I am "trying" to automate LR ... my hope is true time savings :)

I've used JSmooth to make exe file from jar file, and it worked good. It was so along ago though I can't recall how to use it anymore.
Here's an example how to make a jar file from command line
http://forum.java.sun.com/thread.jspa?threadID=740310&messageID=4246794#4246794
There are plenty of others that can be found by using the search.
kari-matti
Message was edited by:
kari-matti

How can I do to convert a ".PNG" image file to a ".JPG" or ".BMP" one?

My problem is to save an image (after processing and with overlay information!) to a standard file (JPG, BMP, ...); if I do it directly with the related VI's, the overlay information is lost; I can save the image in a ".PNG" file, which contains the complete information with overlay, but is not displayable on a LabView-less PC ! How can I do?
Thank you for your prompt answers.
Francois

Hello Francois,
As you noted, BMP and JPG file formats do not support overlay information. There are two approaches to your problem.
1. Write to PNG file. PNG is not a LabVIEW specific file format. It cannot, however, be read by simple programs such as Windows Paint. Paint Shop Pro, Photoshop, among other more robust image viewing and editing programs can handle PNG files that LabVIEW generates.
2. Flatten the overlay information into the main image before writing to BMP or JPG. I don't believe this functionality is built-in to LabVIEW, so this would require some programming, perhaps quite difficult. That is why LabVIEW supports PNG files.
Jeff Boettcher
National Instruments

Hidden .avi and .jpg files

I see that I have some .AVI and .JPG files that are hidden in iphoto that I thought I had deleted. Some are in a folder that is labeled "untitled folder". I googled and searched to see if there is any way to retrieve these pictures and movie clips and delete them for good but so far I haven't found any answers. I can get to the untitled folder by doing a seach in finder for .avi or .jpg. There are acutally a couple I would like back in my iphoto library but it won't let me drag them in there. I'd be glad if anyone has ideas! Thanks

Hi LN. When I mentioned the untitled folder to someone from Apple when I had some other problems with iphoto they told me that somehow in a previous version of iphoto that my pictures had been saved some other place then the original and modified folders and that it had created it's own folder- either at that time or when I upgraded. So now I have this folder with no way to access what is in it. They wouldn't address the question when I called because we were dealing with this other issue and so it has been left unresolved... thanks!

Photoshop cs3 cant open Png or Gif formats?!? a.s.a.p please help!

i have photoshop cs3 and for some reason every once in a while photoshop cant open gifs or pngs? when i try to save one on the format options it doesnt show either png or gif as an option? i know you can save as web and devices but i really need to get it fixed beacuse i need to open my gif and png pictures please help?

Can you open them in other programs?
They are not Photoshop-only formats.

Question on png's, gif's, and jpg's as imageSources in WDJ and WDA

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