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Thread: Serious zoom problem in 1.5 - in LANDSCAPE only

  1. #1

    Serious zoom problem in 1.5 - in LANDSCAPE only

    Hi guys,
    The new zooming system has quite a serious problem in a landscape painting that I never noticed until today. I'm trying to work on a painting and do some detailed work in the corner... but trying to zoom into a corner is nigh on impossible as the canvas seems to track away from my fingers as I zoom in.

    All I can say is try it... you'll see immediately what the problem is. It's actually stopping me painting so..

    Just try to zoom into a corner at 800% on a landscape canvas.. it seems as though beyond a certain size, the centre of the zoom (which should be between my fingers always) moves closer to the centre of the canvas and try as you might that corner that you want to see just moves further away.
    Last edited by beridane; 02-14-2011 at 03:30 AM.

  2. #2
    Join Date
    Jan 2011
    Rocky Mountains
    Not having that problem in landscape mode or otherwise.

  3. #3

    Did you create your canvas in a landscape orientation?

    I don't mean the physical rotation of the iPad, I mean the actual canvas.

    Create a new canvas and click the orientation button to make a new landscape canvas before accepting.

    The physical orientation of the iPad isn't relevant to this problem, just the aspect ratio of the canvas itself.

  4. #4
    Join Date
    Dec 2008
    No problem for me either.... Try flushing your memory. When wacky stuff starts happening that usually fixes it. (power off the iPad holding home and power button till it shuts off. Then turn on again... And it takes a while to turn on don't panic.)
    Susan Murtaugh satisfied user (ArtRage)

  5. #5
    Thanks Suzie.. however I already tried restarting the ipad.. are you absolutely certain you can do this without a problem...??

    1. create a new painting with a landscape shaped canvas say the default landscape size of 1024 x 768

    2. paint a blob in one corner

    3. try to zoom into that corner (I can just about get there if I keep zooming and panning, I counted, it takes me at least a full zoom plus about 6 full screen pans...

    4. Now try to zoom out a little and back in again.

    Having said all this, if it is only me with this problem I did notice a very odd bug yesterday when I was playing around.. but it was with a new portrait sized canvas... I had spent about 10 minutes painting and was just zooming a portion of the canvas when the whole canvas became rotated 180 degrees, I had to abandon it because there was nothing I could do to rescue it... I wonder if something has happened to my artrage internal settings because of that..? (guys?)

  6. #6
    Join Date
    Mar 2006
    Ambient Design
    Hi Beridane,

    I'm able to reproduce that and have taken a note regarding zooming in landscape mode to corners so that we can take a look at it for an update.

    Regarding the 180 degrees rotation, I haven't been able to reproduce this here, so feel free to let me know at if you see it again, together with the original ipad orientation and file aspect when created. What was it about the rotation which caused you to have to abandon the painting at that point? Just checking if it was just upside down or whether there was anything else you saw.
    Resident Bug-Hunter / Technical Support
    Ambient Design

  7. #7
    Join Date
    Mar 2006
    New Zealand
    Regarding rotation - When you say you had to abandon the painting, what happened to it when it flipped? Did the canvas rotate or did the layer contents flip?

    If the canvas rotated, if you rotated your iPad 180 degrees did that correct the problem or did the canvas keep flipping? If the contents flipped, could they be flipped back by transforming?

    Trying to get some details on why it needed to be abandoned, then we can look in to it in more detail.
    ArtRage UI
    Ambient Design.

  8. #8
    Hi Dave,
    Thanks for that.. I did try deleting and reinstalling ArtRage just to make sure it wasn't something that got corrupted in a settings file somewhere... I ruled that out. Since you can reproduce it I'll leave it with you then, thanks.

    About the sudden rotation, I believe I was just zoomed out to the minimum when it just happened... pop. I tried dozens of times to reproduce it but haven't been able to.

    I didn't 'have' to abandon it in reality.. it was upside down and theoretically I could have continued work on it.. but it was only a mess around and nothing worth keeping.. had it been I would have reoriented it on desktop ArtRage and put it back on my iPad.. but of course not everyone will have that luxury.
    I wondered if it were something to do with the scale factor suddenly going into the negative and not being able to go back to positive.. perhaps if you can't track the bug down based on reproducing it you might see if your code would treat it like that and put some auto-correction in just in case. Just thinking out loud

  9. #9
    Hi Matt,

    The entire 'canvas' was rotated.. or apparently rotated. The painting was then upside down in the gallery, I tried rotating the device, I went to the layer settings to try to do it manually but it only flips/rotates the defined section with paint on it.. and since it had multiple layers I would have had a very fiddly job to do it by hand..

    Nothing at that point changed the rotation of the canvas. If I turned the ipad upside down I could have continued painting on it.. but I abandoned it specifically because I doubted its integrity after that. I didn't know what caused the sudden rotation of both layers, whether it was an actual rotation or whether it was a scaling issue.. I suspected the latter, hence I put it down to a bug in the zooming system which had somehow corrupted the painting, so I left it, just in case.

  10. #10
    Join Date
    Jan 2011
    Rocky Mountains
    Wow, my bad, it does tug you back toward the center, doesn't it? Wouldn't cause me to abandon a painting but I can see how it would be mildly annoying.

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