Hi all,
Received my Merlin panohead and papywizard two weeks ago and set it up, using a MacbookPro and a Nikon D7000. A few problems understanding the directions to start with but worked it out. I wrote a couple of presets in papywizard for a VR using a fisheye lens and one for a rectilinear 70mm zoom, all working fine, good results (I have a software background).
Then I went to write some presets for gigapixel photos with a rectilinear 200mm zoom, which we've done before by hand. I find that if the increments in pitch in the preset are 8 degrees or more, all works fine, but of course that's not close enough to stitch the photos and I need about 5 degree intervals. When I set the increment to less than 8 degrees, at the end of the first row the camera just goes out of control and moves upwards continually, moving out of the shooting pattern shown in papywizard. In all cases the display on papywizard is correct in all respects and the panohead behaves perfectly until that point.
I tried the preset generator on the web which assumes zenith at 0,0 and has very small increments and the panohead goes out of control as soon as it starts.
I'm stuck. Given that I hear the panogear can use intervals of 0.1 degrees, what is the problem? The timing is bad as I was intending to have these presets ready for a commercial shoot next week. Can anyone help with suggestions?
xml is:
<preset name="0_40_fl200TRIAL">
<tooltip>
focal length: 200mm
horizontal FOV: 0 to 40
vertical FOV: 20 to -20
initial position 0,0
planar projection
</tooltip>
<shoot>
<!-- row 1 -->
<pict yaw="0." pitch="20."/>
<pict yaw="10." pitch="20."/>
<pict yaw="20." pitch="20."/>
<pict yaw="30." pitch="20."/>
<pict yaw="40." pitch="20."/>
<!-- row 2 -->
<pict yaw="40." pitch="15."/>
<pict yaw="30." pitch="15."/>
<pict yaw="20." pitch="15."/>
<pict yaw="10." pitch="15."/>
<pict yaw="0." pitch="15."/>
<!-- row 3 -->
<pict yaw="0." pitch="10."/>
<pict yaw="10." pitch="10."/>
<pict yaw="20." pitch="10."/>
<pict yaw="30." pitch="10."/>
<pict yaw="40." pitch="10."/>
<!-- row 4 -->
<pict yaw="40." pitch="5."/>
<pict yaw="30." pitch="5."/>
<pict yaw="20." pitch="5."/>
<pict yaw="10." pitch="5."/>
<pict yaw="0." pitch="5."/>
<!-- row 5 -->
<pict yaw="0." pitch="0."/>
<pict yaw="10." pitch="0."/>
<pict yaw="20." pitch="0."/>
<pict yaw="30." pitch="0."/>
<pict yaw="40." pitch="0."/>
</shoot>
</preset>
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Could this be anything to do with the alternate drive (?) being set at 7 degrees as in the default which I haven't changed? I tried some tests just taking the first two rows as examples:
Claude