[OLPC library] [support-gang] Image sizes on the wiki was: working hard @ Boston's
sj at laptop.org
Sat Apr 21 20:09:12 EDT 2012
I think it is easier to just upload the high res version once, even if
you explicitly mean to use one of the smaller versions for some
Fred - you are right that the /directory trees/ of thumbnails are now
not browsable,but all of the individual thumbnails are world-readable.
On Sat, Apr 21, 2012 at 8:51 AM, Christoph Derndorfer
<e0425826 at student.tuwien.ac.at> wrote:
> On Wed, Apr 11, 2012 at 3:42 PM, Frederick Grose <fgrose at gmail.com> wrote:
>> On Sun, Apr 8, 2012 at 1:38 PM, Christoph Derndorfer
>> <e0425826 at student.tuwien.ac.at> wrote:
>>> On Sat, Apr 7, 2012 at 8:31 PM, S Page <skierpage at gmail.com> wrote:
>>>> On Fri, Apr 6, 2012 at 16:07, Christoph Derndorfer
>>>> <e0425826 at student.tuwien.ac.at> wrote:
>>>> > If jumping over these extra hurdles bring a lot of value and can be
>>>> > described
>>>> > in simple terms then I'm all for it
>>>> Good point. I see you're writing "MISSING IMAGE", that's fine too.
>>>> My alternative lets a writer show a placeholder image, see
>>>> http://wiki.laptop.org/go/User:Skierpage#Placeholder_images . Either
>>>> way makes it easy to find missing images.
>>>> I documented both under
>>>> I notice the instructions say 800px wide screenshots. I think it's
>>>> faster/better to leave them at 1200 wide and tell the HTML or markup
>>>> to display them smaller.
>>> Hi there,
>>> thanks a lot for adding the instructions
>>> to http://wiki.laptop.org/go/Help_Activity_refresh#Images, much appreciated.
>>> As for the width of the screenshots we chose the 800px wide because that
>>> works well for consumption on the XOs (as it leaves plenty of space for a
>>> menu, etc.).
>> When a 1200x900 pixel image is uploaded to the wiki and then displayed at
>> an alternate size, such as with the [[File:Screenshot
>> wanted.png|800px|ActivityName screenshot]] wiki code, then the wiki resizes
>> and saves a .png copy of the image at 800 pixel width in an /images/thumb/
>> branch folder.
>> See, for example, all the sizes saved here:
>> (Direct navigation to the thumb branches on wiki.laptop.org has been
>> blocked. One only sees the message, "Down for upgrades. Come back
>> The 120px and 320px images are saved for the thumbnail and preview on the
>> File page. The others are generated when a new cropping width is requested
>> by some wiki code. This allows the wiki server to cache the images for
>> better performance. This also means that the XO laptop, or any browser does
>> not need to process the original image size.
> Hi Fred,
> sorry for the slow reply.
> Re-reading your message now I'm not sure what exactly you're suggesting
> here. It sounds to me like getting the thumbails out of the wiki afterwards
> is a bigger hassle than taking the 15 seconds it takes to resize the
> original image and upload that one. Or am I missing something here?
>>> I see little value in keeping the 1200px wide version (with the exception
>>> of reducing one step in the image work) as we can't count on having the
>>> manpower to do extensive post-processing, resizing of all images, funky
>>> exporting, etc. once everyone leaves here in just over 48 hours...
>>> Christoph Derndorfer
>>> volunteer, OLPC (Austria) [www.olpc.at]
>>> editor, OLPC News [www.olpcnews.com]
>>> contributor, TechnikBasteln [www.technikbasteln.net]
>>> e-mail: christoph at derndorfer.eu
>> support-gang mailing list
>> support-gang at lists.laptop.org
> Christoph Derndorfer
> volunteer, OLPC (Austria) [www.olpc.at]
> editor, OLPC News [www.olpcnews.com]
> contributor, TechnikBasteln [www.technikbasteln.net]
> e-mail: christoph at derndorfer.eu
> Library mailing list
> Library at lists.laptop.org
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