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    • RE: Delete a Photmatch photo WITHOUT deleting the scene

      Digging up an old thread...

      The reason for this is that, like with forced 2-point perspective in sketchup, when you zoom in on a matched photo it is not a true 3d zoom like in a normal view. In order to keep the perspective the same, sketchup is effectively cropping the view. If it let you zoom in normally, it would change the perspective (the zoom tool effectively moves the camera towards whatever you're zooming in to).

      The way round this would be to 'zoom in' in the sense that a zoom lens on a camera zooms in - by changing the field of view. This can be done by typing in a focal length in mm into the input box when you're in the zoom tool, or by holding down shift and then zooming.

      Give it a try, let me know if it helps!

      posted in SketchUp Discussions
      A
      abugintheground
    • RE: 2 point perspective photomatch

      From the sketchup help

      "Do not crop photos. Match Photo currently requires that the point you aimed the camera at is located in the center of the image (also called the center of projection). Although it may seem possible to use a cropped image, typically vertical lines will not align well across a cropped image and the results will be unsatisfactory."

      This implies that cropped photos, those taken with a shift lens, or those adjusted in post will not work. I've found the same.

      For a 2-point image taken with a shift lens (where the shift lens is effectively cropping the image before it hits the sensor) you need to 'un-crop' it - you can assume that if it is true 2-point then the horizon should be in the vertical centre of the image, so extend the crop of the image to align the horizon with the centre and you should be able to get things working.

      You need to be very careful with adjustments to avoid skewing the vertical off. It helps a lot to 'nearly' match the view of the model before you open the image to be matched.

      posted in SketchUp Feature Requests
      A
      abugintheground
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