ARKit: problems with orientation of nodes in scene on iPhone and iPad












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I have a very strange behavoir with placing and rotating SCNNodes in an ARKit app (based on SceneKit). I detect vertical planes and if a vertical plane was found I show a focal node with some images. I have to rotate the node so that the images are shown in the correct plane and therefore are visible to the user facing him/her. I mostly tested with an iPad Pro but recently I was using an iPhone X. Although I have no specific code for phone or pad, the appearance on both devices was totally different. When on the iPad I had to change the value of (for example) the x-value of the SCNVector3 to move the image to the left (x-axis) from the focal node, it was moving infront (z-axis) on the phone. Same with eulerAngles: changing one axis rotated a different axis on phone and pad. What might I doing wrong?



Thanks, Björn






ios arkit device-orientation







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    I have a very strange behavoir with placing and rotating SCNNodes in an ARKit app (based on SceneKit). I detect vertical planes and if a vertical plane was found I show a focal node with some images. I have to rotate the node so that the images are shown in the correct plane and therefore are visible to the user facing him/her. I mostly tested with an iPad Pro but recently I was using an iPhone X. Although I have no specific code for phone or pad, the appearance on both devices was totally different. When on the iPad I had to change the value of (for example) the x-value of the SCNVector3 to move the image to the left (x-axis) from the focal node, it was moving infront (z-axis) on the phone. Same with eulerAngles: changing one axis rotated a different axis on phone and pad. What might I doing wrong?



    Thanks, Björn






    ios arkit device-orientation







    share|improve this question

























      0












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      0








      I have a very strange behavoir with placing and rotating SCNNodes in an ARKit app (based on SceneKit). I detect vertical planes and if a vertical plane was found I show a focal node with some images. I have to rotate the node so that the images are shown in the correct plane and therefore are visible to the user facing him/her. I mostly tested with an iPad Pro but recently I was using an iPhone X. Although I have no specific code for phone or pad, the appearance on both devices was totally different. When on the iPad I had to change the value of (for example) the x-value of the SCNVector3 to move the image to the left (x-axis) from the focal node, it was moving infront (z-axis) on the phone. Same with eulerAngles: changing one axis rotated a different axis on phone and pad. What might I doing wrong?



      Thanks, Björn






      ios arkit device-orientation







      share|improve this question














      I have a very strange behavoir with placing and rotating SCNNodes in an ARKit app (based on SceneKit). I detect vertical planes and if a vertical plane was found I show a focal node with some images. I have to rotate the node so that the images are shown in the correct plane and therefore are visible to the user facing him/her. I mostly tested with an iPad Pro but recently I was using an iPhone X. Although I have no specific code for phone or pad, the appearance on both devices was totally different. When on the iPad I had to change the value of (for example) the x-value of the SCNVector3 to move the image to the left (x-axis) from the focal node, it was moving infront (z-axis) on the phone. Same with eulerAngles: changing one axis rotated a different axis on phone and pad. What might I doing wrong?



      Thanks, Björn






      ios arkit device-orientation




      ios arkit device-orientation






      share|improve this question













      share|improve this question











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      asked Nov 23 '18 at 8:20









      bjoernbbjoernb

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