<p>Q1. No<br>
Q2. No<br>
Q3. No<br>
The angle of view is the problem, and that is determined solely by the position of the camera. Moving the camera further away is the solution, if possible.</p>
<p>Q4. Linear panoramas only work for flat subjects. You could shoot the multiple images from inside the boundary fence, but that would give you a very boring image, and there's still the sticky out bit at the entrance to cope with.</p>
<p>In PTGui, you can choose the output projection in three ways:<br>
1. Switch into Advanced mode (button to the right of the Project Assistant) and select the Panorama Settings tab.<br>
2. On the Panorama Editor window, click on the Projection menu.<br>
3. On the Panorama Editor window, click one of the projection icons (sphere, cylinder etc).</p>
<p>However, in Photomerge, instead of selecting the Auto format, you should select the Perspective option - which shows the familiar bow tie thumbnail.<br>
Another stitcher you can try is the free Microsoft ICE, which will give you just the same result.</p>