Save 10 png images in one minute

Hi,
I have basic knowlegde of how to use labview and I like labview very much. therefore, I am desperate to know how to save several (at least 10) png images (using wrtite to PNG vi) in a directory in a minute. any help would be greatly appreciated.
Thanks

Hi naserkhan,
the filename never changes, so you write the same file several times. (Why do you need a FOR loop to generate a file name like "01234.png"? Why do you need to build filenames using string functions whenn all you need is StripPath and BuildPath?)
Is the filepath you generate correct in all parts? Did you (double-)check that?
How often does your loop iterate per minute?
Best regards,
GerdW
CLAD, using 2009SP1 + LV2011SP1 + LV2014SP1 on WinXP+Win7+cRIO
Kudos are welcome

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===========================================
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Would a moderator please change this topic back to not solved.
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Open image...
image.*width* = 2550;
image.*height* = 3300;
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read(File input)
read(ImageInputStream stream)
read(InputStream input)
read(URL input) You can use which ever method you want. But first you need to install [JAI-ImageIO|https://jai-imageio.dev.java.net/binary-builds.html]. The default ImageReaders that plug themselves into the ImageIO package are BMP, PNG, GIF, and JPEG. JAI-ImageIO will add TIFF, and a few other formats.
The downside is that if clients want to you use your program on their machine then they to will need to install JAI-ImageIO to read the tiffs. To get around this, you can go to your Java/jdk1.x.x_xx/jre/lib/ext/ folder and copy the jai_imageio.jar file (after you've installed JAI-ImageIO). You can also obtain this jar from any one of the zip files of the [daily builds|https://jai-imageio.dev.java.net/binary-builds.html#Daily_builds]. If you add this jar to your program's classpath and package it together with your program, then clients won't need to install JAI-ImageIO and you'll still be able to read TIFF's. The downside of simply adding the jar to the classpath is that you won't be able to take advantage of a natively accelerated JPEG reader that comes with installing JAI-ImageIO (instead, ImageIO will use the default one).
*2)* Once you've installed [JAI-ImageIO|https://jai-imageio.dev.java.net/binary-builds.html] and used ImageIO.read(...), you'll have a BufferedImage. To resize it you can do the following
BufferedImage newImage = new BufferedImage(2550,3300,BufferedImage.TYPE_BYTE_BINARY);
Graphics2D g = newImage.createGraphics();
g.setRenderingHint(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g.drawImage(oldImage,0,0,2550,3300,null);
g.dispose();Here, I simply drew the old image (the one returned by ImageIO.read(...)) onto a new BufferedImage object of the appropriate size. Because you said they were black and white TIFF's, I used BufferedImage.TYPE_BYTE_BINARY, which is a black and white image. If you decide to use one the BufferedImage types that support color, then a 2550x3330 image would require at least 25 megabytes to hold into memory. On the other hand, a binary image of that size will only take up about one meg.
I specified on the graphics object that I wanted Bilinear Interpolation when scaling. The default is Nearest Neighbor interpolation, which while fast, dosen't look very good. Bilinear offers pretty good results scaling both up or down at fast speeds. Bicubic interpolation is the next step up. If you find the resized image to be subpar, then come back and post. There are a couple of other ways to resize an image.
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*3)* Now we save the "newImage" with the same class we read images with: ImageIO . It has these static methods
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write(RenderedImage im, String formatName, ImageOutputStream output)
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[SOLVED] GIMP is unable to save an PNG

Hello,
when I try to save an PNG within GIMP I get the following message:
Saving '/home/alex/test.png' failed:
Error while saving '/home/alex/test.png'. Could not save image.
This is my commandline output:
libpng error: known incorrect sRGB profile
(file-png:5692): GLib-WARNING **: (gerror.c:390):g_error_new_valist: runtime check failed: (domain != 0)
I reinstalled gimp and deleted my profile, but it didn't work.
Does anyone have the same problem?
Greetings
Alex
Last edited by oelfe (2013-05-28 13:08:55)

I've been having the same problem for a while now, since the libpng update a couple of weeks ago.
The day before the update, I was able to open a png, apply changes to compression, interlacing, etc., and export it to the same filename, overwriting the original. (Not the best workflow, I know)
After the update, the export would just simply blank out (0KB) the original file and give the same error message.
libpng error: known incorrect sRGB profile
Here's an example of a png file that does not work - https://dl.dropboxusercontent.com/u/937 … rabian.png (107 KiB)
My workaround was to convert the colour profile to Adobe RGB, open it in Gimp and convert it back(?) to sRGB.
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Last edited by adrianx (2013-05-27 21:22:42)

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Good morning,
There could be a few reasons why the burn doesn't finish. iDVD needs a lot of hard disk space to create the DVD -- 10-15 Gigs is starting to get low and under 5 G is virtually impossible. Reduce the load on your Mac by quitting other applications while you're trying to burn. Also, you may wish to break down your workflow into two steps (I do this routinely):
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>I have a 48 slide presentation that has a small .png image in the "slide
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PowerPoint only has to store one instance of the image even thought it is
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The file is .m4v and 71 min long.
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About double on DL DVDs.
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I captured the movie from a VHS tape; I'm converting old home movies. By the end of the tape the audio is not in sync with the video.
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Use of FinalCut - and project set up as HOW ?
AND - way from this to iDVD - I NEVER use "Share to iDVD" as result will Suffer.
As You see - there are lot's of info needed to be able to be of help.
I use a A/D-Box (Canopus/Grass Valley ADVC-300) as this has two Major functions not found on cheaper solutions
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a. No Baby-sitting during Capture
b. Audio keep in Full Sync.
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I'm not sure how to fix that other than to capture in smaller segments and link them together in iMovie. I have already captured all the segments and am now in the process of creating the movie file to use in iDVD.
• Might work but way to tedious for me.
Yours Bengt W

Save 10 png images in one minute

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