![]() ![]() Right-click into the rectangle and click “Generate Control Points Here”. ![]() Generate multiple new control points by pressing shift while dragging a rectangle with the left mouse button.Select and delete bad points and possibly create new points in the same area. Below the image pair, click to order the list of points by distance.In such image pairs, delete and add control points as needed: Use the control point table to find and edit image pairs which have points with large distances. This may bring you down to an average distance of about two pixels. In the tab “Optimizer”, in the field “Minimize lens distortion:”, select “Heavy + lens shift” and press “Run Optimizer” in the lower left. In the tab “Project Assistant”, select “Advanced”. ![]() This can be brought down to below one pixel within a few minutes. Usually you start with an average control point distance of about 4.5 pixels. It is convenient to reuse previous settings with “File”, “Save as template …” and “Apply Template”. Your input value for the focal length will be automatically optimized by PTGui during stitching.
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