What resolution do I choose when exporting a png?

I Have created a vector graphic that will be used as an app screen. My document size is 1080 x 1920 (HDTV 1080). When exporting to png, should the resolution be 300 or 72?

I chose the HD configuration because it was the same dimensions I am required to work in, that is 1080 x 1920 for an Android screen.
Can you point me in the right direction to these developer guides? My background is in print, not web, so I have asked this question on the forum in order to receive some practical guidance.
Thanks!

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  • Color differentiation when exporting to PNG

    Hello!
    This is just driving me crazy and I'm dying to find a solution. Whenever I export my artboards to the PNG format, I receive a slight change in the bitmap colorization.
    In Illustrator, my colors are perfect, but when exporting to PNG, the end result shows an increase in color vibrance - making a light blue (for example) show as slightly more turquoise/sharper light blue.
    Example:
    (This is a screenshot capture. Illustrator artboard is on the left hand side, the exported PNG example is on the right hand side.)
    So, my question is if I am doing something wrong with my color settings?
    My settings have been set in my Adobe Bridge to:
    Europe General Purpose 3
    RGB Space: sRGB IEC61966-2.1
    CMYK Space: Coated FOGRA39 (ISO 12647-2:2004)
    PS: I constantly switch between creating graphics that are used for the web and other on-screen web applications (such as GUI's) and printed booklets and posters, etc. I've always had immense trouble finding a perfect working space with web and printed material. If anyone has an advice for color settings or some kind of best-practice working environment to create consistent color, I would be very appreciative.
    Thank you!

    Chrome is not a color managed browser. From the several browsers I have installed on my pc only Firefox has color management capabilities that can match the color with the Adobe color managed programs.
    You have to understand that there are color and non-color managed programs. Non-color managed programs always display the colors with the color space of your monitor. Take for example a color recorded in the file say, pure red R=255, G=0, B=0. The non-color managed program will send to your video card the same number and your monitor will display the most saturated red it is physically capable of. When a color managed program reads this value, first it checks the color space of the document, which can be defined with a color profile, a soft proofing color space, or when there is no color profile with the color settings set for the working space. Then it checks the color space of your monitor which is defined in your system and translates the values from the color space of the document to the color space of your monitor which can result in a different value other than 255, 0, 0 sent to your video card. In other words color management is simulating on your monitor a color space different than your monitor's color space. The result from this is different color displayed by color managed and non-color managed programs when reading the same file.
    You can't make non-color managed programs to match a color managed programs, but you can make the color managed program match the non - color managed programs on your monitor by setting you document color space to the color space of your monitor. To do that from the Edit menu, choose Assign Profile and select the color profile of your monitor. This will match the color in Illustrator to the color displayed by the non-color managed programs. This in effect turns the color management off because the color management is translating between the same color spaces which results in zero difference.
    However have in mind that this is not a very professional way of working with color and it only ensures a color consistency between color managed and non-color managed programs on your current monitor. What color you are actually creating that others will see or the color that will print is unpredictable with this setup.

  • Save error when exporting to PNG in Illustrator using a Macbook with Yosemite

    Anybody experience the issue of png being saved with "/" in the beginning of the file name when exporting to png in Illustrator? This only happens when I use my mac not my PC.
    Due to the save error my PC cannot identify the files and when the files are linked in Indesign they are not copied when packaging the indesign file.
    Any advice on the issue are most appreciated

    I don't have a lot of experience with this kind of problem, but the first thing I'd check is the parameter block you're passing the action call. I don't know why it would matter if the dialog appeared or not, unless the export settings block wasn't being filled in with everything it needs?
    You might try recording an export you perform manually via the action palette, and then saving it to a file. You can open it up manually and compare it (even if it's a binary block) to what you're doing in code. You might spot something that way.
    I don't know what else to suggest though. It's unlikely to be an SDK bug, though it could be a bug in the action-aware part of the exporter.

  • Illustrator CS4 crops my artwork when exporting to png

    Illustrator CS4 crops my artwork when exporting to png (it always crops on the right side). It doesn't happen everytime but often enough to be annoying. Sometimes centering my artwork in the artboard solves the problem but not always. Do you have any idea why it's happening, and what I can do to avoid that problem?
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    @Jacob & Mylenium: I don't have any stroked path in my artwork. I've tried to add a no fill/no stroke rectangle (same size as my artwork and then a bit bigger) but it didn't work.
    Your advices gave me an idea though: I've added a filled rectangle slightly bigger than my artwork, centered it and dropped its opacity to 0%, it worked.
    I'm glad I know that trick now, because even when my artwork wasn't badly cropped, it was touching the edges of the picture (png). Then I had to open it in Photoshop and increase the canvas size in order to leave some transparent space between the artwork and the edges of the picture. Now I can do that in Illustrator
    Thanks a lot for your help !

  • Save error when exporting to Png i Illustrator

    Anybody experience the issue of png being saved with "/" in the beginning of the file name when exporting to png in Illustrator. This only happens when I use my mac not my PC.
    Due to the save error my PC cannot identify the files and when the files are linked in Indesign they are not copied when packaging the indesign file.
    Any advice on the issue are most appreciated

    Hi,
    I am moving your posting to Illustrator Forum from Acrobat.com Forum.
    Thank you
    Hisami

  • How to make white shapes turn transparent when exporting to .png?

    I'm trying to cut out parts of my image with white shapes, but when exporting to .png with transparent backgrounds, the white shapes remain as white shapes instead of becoming transparent and applying the cut.
    How do i fix this?
    Thanks,
    Rokas

    Use a mask, most probably an opacity mask should help.

  • What Rendering intent is used when exporting with a different color space?

    Hi,
    I would be ever so grateful if any one can tell me what rendering intent is used by LR4 when exporting using a custom colour space as there is not an option as there is with the print module.
    Thanks.
    Message title was edited by: Brett N

    Jeff Schewe wrote:
    Bob_Peters wrote:
    The rendering intent in the Export dialog is Perceptual.
    Actually, an RGB color space to RGB colorspace is always only Relative Colorimetric...and adding Perceptual would only work with certain V4 ICC color spaces (you can find perceptual V4 color spaces for sRGB and ProPhoto I think but I'm not sure they would work in Lightroom anyway).
    When using an RGB print output profile you can select either Perceptual or Relative and have the intents actually applied.
    True.
    The case of interest to me is when I have to print a lot of files using a third-party profile and maintain the original filename so it appears on the back.  That is why I made the request more than a year ago.
    The problem with the Print module is that it clobbers the filename but does allow 2 choices for the rendering intent.  Having to deal with weird filenames creates a mess when matching, say, 50 prints with custom notecards.

  • What PPI should I use when exporting for a video project?

    I shoot RAW photos.  I like and use Premier Elements 11 to make video.  Frequently I insert photos in the videos and enjoy using the Pan and Zoom technique (frequently credited to Ken Burns).
    Resizing photos helps Premier Elements to run smoothly.  The LR Export command makes it easy.  Using PSD files works well in Premier Elements.  However, I am confused about settings.
    My understanding is that if no Pan&Zoom or cropping is to be done in the video the export should be 1920x1080.  If Pan&Zoom is planned, the setting should be higher by about 50%.  LR makes it simple by letting you specify the "Long Edge" so the setting would be 2880.   The short edge will match the original. 
    What about "Pixels Per Inch" for a HD 1920x1080 video project that may be played on a big HD TV or smaller YouTube?  There is plenty of information about PPI for printing and computer monitors, but not HD Video. 
    Here is screen capture for reference:
    What should the pixels per inch be set at to match 1920x1080 video?  The 140 setting is a complete guess!
    Thanks in advance!
    Bill

    whsprague wrote:
    My understanding is that if no Pan&Zoom or cropping is to be done in the video the export should be 1920x1080.  If Pan&Zoom is planned, the setting should be higher by about 50%.  LR makes it simple by letting you specify the "Long Edge" so the setting would be 2880.   The short edge will match the original. 
    The above sentence from your first post is the correct answer with a few changes as to what settings you need to use in LR's Export module.
    Anytime you "resize" an image it will lose sharpness unless you apply Output Sharpening. I have no idea if Premier Elements applies sharpening, how much it applies, or how much using large raw images slows it down. The best suggestion is for YOU to resize the raw images and apply Output Sharpening that meets YOUR taste as to "crispness." That way Premier Elements will use the properly sized TIFF or JPEG images (no PNG Export in LR) with no further modifications.
    For 1080p (1920 x 1080) Videos:
    Don't use the 'Long Edge' option in LR's Export module since you want both portrait and Landscape images to have the same height. Instead simply enter W: 1920, H: 1080, and Resolution as mentioned doesn't matter. For the Output Sharpening LR's Screen Standard setting should work fine, but review the resized images at 1:1 and adjust to your taste. LR's Develop module Sharpening settings should NOT be used for this purpose. This is for the initial "capture" sharpening only.
    As you mentioned when using Zoom & Pan you will want to increase the file size proportional to the actual Zoom setting you are using inside Premier Elements:
    150% = 2880 x 1620
    200% = 3840 x 2160
    300% = 5760 x 3240
    For best results I'd limit your Zoom to 150%, especially if you’re having performance issues. You also don't want to make your image larger than its native camera raw resolution, which will reduce the sharpness. For higher Zoom settings simply Export the images full-size without using ‘Image Sizing’ or ‘Output Sharpening.’ Use 'File Settings' JPEG, sRGB, with 80 Quality setting, which will provide good results.

  • What happens to LAB color when exported to cmyk

    I have a workflow at work that goes like this: We work color in Photoshop in Adobe RGB (1998) and convert to our cmyk space only upon output. I've found that, in many cases, I like to work in L*a*b. What happens when an LAB images is placed in InDesign and exported to a pdf to our cmyk space? Thanks!

    InDesign can place PSD and TIFF files which are in the LAB color space.
    What happens when you export to PDF depends on which PDF preset you use. If you choose PDF/X-1a, the Lab color will be converted to the working CMYK color space (by default US Web Coated SWOP v2, same as in Photoshop). You can test this by examining the resulting PDF in Output Preview in Acrobat 8 Professional or Acrobat 9 Pro.
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  • What causes corruption of video when exporting?

    I have a project in Premier Pro 1.5 that plays fine in the program monitor but a stretch of the video gets corrupted when I export it as an AVI file. I'm not sure how to descibe this corruption so I've attached a screen shot of a typical example. It's like when a tv satelite signal weakens because of rain or whatever and you get square pixellated atifacts on the screen. I am an animator, and the video sequences are made from gif files which I export as MOVs and import into PPro for editing. For this sequence I went back to the gif source and re-exported it, etc. The artifacts changed slightly but were still there after exporting from PPro. I've made a lot of movies in this program and never had this problem before. Does anybody have a clue what could be causing it?
    Those red and yellow squares are not supposed to be there!
    PS. I can't try this in PPro CS4 because I can't get that program to export video at all, which is the subject of another thread I have open on this forum, waiting an answer.

    Sorry ... Didn't know I could search my old questions on here. Thanks anyway.

  • What Codec Do I choose for Export?

    O.K. I got another one for ya...
    I'm getting ready to export back to FCP. How do I choose the right codec? I want the absolute best resolution.

    You can't really. About all you can do is use the Apple "calibration tool" and hope for the best. The iMac is great as a standalone desktop computer... I'm sitting in front of one right now. But it is also an island and completely internalized and very few interventions are going to be possible.
    The application now known as COLOR was developed and marketed initially as Final Touch with the professional colorist in mind, working with outboard Grade quality monitors.
    Accurate color comes with investment.
    Setting accurate reproduction with good old 7-stripe color bars is also getting to be a bit of a myth. Nothing indicates if the brightness is correct. Color Bars with pluge helps with blackpoint a bit. You can set "phase" and"saturation", which are almost irrelevant now that we are virtually post-composite NTSC. But as far as gamut-tracking is concerned, totally useless.
    Think about it, of the 255x255x255 theoretical values available (at least in 8-bit), you get to see only 7 of them -- RGB, R+G, B+G, G, R+B, R, and B. All at full blast and chroma-desaturated (hopefully) to match 75% NTC. And on a screen ( at least this is true of the iMac LCD) that can only reproduce the equivalent of about 6-bit. Not very encouraging.
    But if, on the other hand, all your work is destined for display on iMacs you'll be fine, though.
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  • What compression type to use when exporting?

    I need to export a Final Cut Pro Movie File to a QuickTime Movie file. There are so many copression types to choose from. Which should I use so that people with both Mac and PC could open the file? Some friends have complained that they can´t open files that I´ve exported using H.264 which is the default I get in QuickTime.
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    Backward compatibility has always been a QuickTime strong suit. Files made in version 3 still open just fine in version 7.
    But H.264 (and the preset export options) make this a bit more confusing.
    MPEG-4 Video codec will open in version 6, or higher and, since version 6 has been available since 2002, it is a very good chance your viewers have version 6 to view it.
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    If you have a lot of videos to share or are making files to be used in a Web page you'll probably get the best results by choosing:
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    Learn more by experimenting with one minute exports to various codecs and settings.

  • Which resolution can I get when exporting to iMovie?

    I exported a slideshow to iMovie. But I found that the quality - whith regard to resolution - is much worse than the original photos. Is there a way to improve the resolution? (I want to keep the rresult on my MAC, only display it with the same high resolution as in iPhoto.
    Hans

    If you export a slideshow to iMovie then the photos are compressed in the process. Better to make the slideshow in iMovie entirely.
    Regards
    TD

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