How can I have better control of the overlap area (i.e. the location of the seams)?
To get full control over the location of the seams in the stitched panorama, stitch to a layered output format. Choose Photoshop output format, and select ‘Layers: individual and blended’. By editing the blend masks in an image editing program like Photoshop, you can determine which parts of which source images are used in the blended panorama. See the Post processing tutorial. Alternatively you can make the unwanted parts of the source images transparent in a graphics editing program before stitching the images in PTGui. The PTGui blender recognizes the transparent areas and will place the seams around them. You need a graphics editing program to add a transparency mask to the image; in Photoshop you can do this as follows: • Open the image in Photoshop • Right-click on the ‘Background’ layer in the Layers palette and choose ‘Layer from background’ • In the Layer menu choose ‘Layer Mask -> Reveal All’ • In the Layers palette, click on the layer mask thumbnail (the white rectangle) • S
