5. Improving the results
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5.1. The horizon of my panorama is curved instead of straight
; y5 `; `$ V/ u3 |/ k D ~/ c5.2. I get color/brightness differences between the images in my panorama
8 \! k- Z o8 L: R2 C5 _9 d: E! u5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?& Q+ d. o( H; V h1 W. Q- Y
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
! t: @1 Z: T: g6 t- i5.5. Some control points in my project have a relatively high control point distance. Will the alignment of my panorama improve if I delete all control points with an error above a certain threshold?
& v' \. S* {3 |+ j( a6. How to...
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6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?: J" N3 M/ `$ ~( \: q1 j; }% M
6.2. How do I use the Horizontal line and Vertical line control points?
6 \" N. }+ a! w1 X% t- ~6 _6.3. How can I calibrate my lens parameters?: e7 {. b# g5 f6 g4 i7 u& R
6.4. Does PTgui allow stitching of photos that have the camera in different locations?0 V7 b. m1 a% q: h% C
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?
F0 o" O! U0 y: H& t6.6. My panorama was taken with the camera tilted up or down. Now there's a lot of unnecessary black space above/below the panorama, increasing the size of the output. Can it be cropped away before stitching?7 A5 Y1 n4 d1 F1 m. @5 C
6.7. How can I have better control of the overlap area (i.e. the location of the seams)?7 K1 Y" \& C# a+ a$ B' a
6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!6 q/ b7 C& s6 K3 O0 @5 o$ K* M$ h
6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?
3 Q# }& D, ?/ l' n" ^9 K6.10. How can I change the default settings for new panoramas?7 N; p$ R; Q& B/ T' c
6.11. How can I stitch extremely large panoramas?6 X* t8 n* {" y% ~3 U: W$ }% e
6.12. How can I align a set of images, all taken in the same direction (not a panorama)?! I$ k( U. `7 o R
6.13. How can I use exactly the same stitching settings for different sets of images?
0 T W) K5 Y3 O6.14. How can I correct a single image for lens distortion?
9 I& N3 _* |; _- U6 L5 @6.15. How can I show a panorama on my website?3 C6 t6 y: S, \. a+ d& l
6.16. How can I publish a panorama to Facebook?
0 s# C& T4 T( S2 K* B6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?9 Z- k& U( g2 Q! D* V
6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?
( M& U+ ?# n( }( O6.19. How do I level/straighten a panorama using horizontal / vertical line control points?
7 `% \/ c4 @) a9 B6.20. How can I correct a single image for vignetting in PTGui Pro?9 q1 G; H0 z3 Y
6.21. My spherical panorama still has a hole in the top and/or bottom. How do I fill the missing parts to make the panorama truly spherical?2 I+ e& x9 u ~
6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?
$ u" R& c. [, }& H' | C6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?( C; X4 `1 ^$ M( N# h
6.24. How can I tell PTGui to output panoramas at a specific size?
/ a8 W. f, a* K- V; w4 w6.25. How can I defish a fisheye image in PTGui?
3 z0 _9 A& {* A& u* m) f6.26. How can I extract a 'flat' image from a spherical panorama?
$ v+ b8 O9 t# U, A( |( u6.27. I have taken multiple panoramas from the same viewpoint, to create a time lapse movie. How can I ensure that subsequent panoramas are aligned when played back in sequence?) N) ~( k) _4 Y; [! Y
6.28. My project contains one or more images without any recognizable detail and it's impossible to place control points. How can I stitch my panorama?
1 @( h; I$ I* a- r9 B6.29. How can I view a finished panorama interactively on my computer?1 x2 x1 ?* ~& `" _0 l
6.30. I would like to send a panorama to a friend/client/... Is it possible to view a panorama interactively without needing to install a plugin first?8 C% c% r' ^" C h0 @
6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?
. @7 V$ m2 R4 N6.32. How can I stitch a PTGui project from the command line?
) a! V) h9 E. u9 X5 Q6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?% C- B$ ~# }2 q7 S' ~$ Z0 g
6.34. How can I display spherical panoramas on my iPad?
$ c( ?6 \3 w# k1 v9 ?6.35. How can I stitch panoramic video in PTGui?
3 k" n4 I' `2 F4 ]8 P6.36. Is there a way to stitch many panoramas using the same settings?" I q# U Z3 K
6.37. How can I make 'little planet' images in PTGui?
& o6 b, V- K3 _$ a- l Z$ @6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
/ e) W# k. B8 C( l9 X/ Z9 ]6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?% Y, c3 ^$ D* N9 _
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?
7 i* t v+ I% [; o* x. c0 O6.41. How can I stitch two back-to-back circular fisheye images?0 L' ?1 O3 a1 J) H$ \& v$ I4 S
6.42. How can I retouch the nadir of a spherical panorama?
, z* o' N) L; Q1 i6.43. How can I stitch images taken with a 360° one shot camera in PTGui?# I9 M. R" H" H# m7 Z) l- ^
6.44. How can I prevent PTGui from placing control points in certain areas?1 r' U2 e* \8 _! M# Y& G. y
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7. PTGui Pro and HDR
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. t+ Q' T+ w- Z% V m, K7.1. What is the best way to take images for HDR stitching in PTGui Pro?
. @4 F) M) ^ n l: M$ u7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?
4 v, V* f8 S" `$ s* ^7.3. PTGui Pro doesn't recognize my bracketed exposures!, @# X5 i8 P a+ V( A7 K
7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.
) p) R5 t5 Z/ Q7.5. So I forgot to switch my camera to M mode; my bracketed images are taken in auto exposure mode. Can I still stitch them to HDR in PTGui Pro?' W* J; U4 [' S+ B
7.6. Why should I use manual exposure mode? Isn't it much better to use automatic exposure, so that every image is optimally exposed?* d% v9 G% b8 y2 @4 L8 L
7.7. PTGui Pro displays the wrong EV values! My images were taken at -2, 0, +2. This is confirmed by the EXIF data but PTGui shows something else in the Image Parameters tab.% F% T3 W' `2 L& Y- x5 d
7.8. What's the deal with linked images?
4 `2 A( V& p( [) b5 W, _+ P7.9. Should I link my bracketed exposures or not?
8 A1 a1 z. ?6 c7 o; h Z7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?
. ~: A/ T7 z$ J# q# z- j# H7.11. I would like to stitch my panorama in PTGui Pro, but use another application (e.g. Photomatix or Photoshop) to create the HDR.
) C* a: O# y; }- h9 W7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
. ]( s7 Z+ n* L3 A7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
7 }" D4 y% m0 F6 k# c- W5 ~) P7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!
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8. GPU acceleration# G# R1 J2 |, Q6 r" w
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8.1. Which GPUs are supported by PTGui?" _* Q2 ^, g1 U/ ?" q3 a9 i
8.2. Which graphics card should I buy?
1 Y6 ?, L8 ?( \; k% T& [, _# G" T8.3. Does PTGui support using multiple GPUs?. y! R" @' _: j% L1 w$ f
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