5. Improving the results
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5.1. The horizon of my panorama is curved instead of straight
2 k$ R0 P3 V$ U" t4 y3 O! X5.2. I get color/brightness differences between the images in my panorama
g/ j- M4 d7 Y v1 H5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?
8 \1 d5 P" B0 I O9 ?* y, w5.4. I see misalignments in the stitched panorama. What can I do to improve the result?& O, n+ H8 `& ^8 p7 Z
5.5. 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?% ?# r- z' E: g4 Y
6. How to...( r- F, n6 @; V q4 B, V
- \; n9 q3 W5 b6 a I$ I6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?
+ s& O$ s8 ~8 w7 Z& v7 J8 y8 ~6.2. How do I use the Horizontal line and Vertical line control points?
1 g' C7 C/ E; P/ P' Y6.3. How can I calibrate my lens parameters?
( r4 c$ Y- j* a* H$ K6.4. Does PTgui allow stitching of photos that have the camera in different locations?) H' }1 j; h8 m" L
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?+ z9 U+ \0 i! Y0 ]1 r/ m$ X
6.6. 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?
& p- m7 ?- a5 i! \" O6.7. How can I have better control of the overlap area (i.e. the location of the seams)?
2 O5 ^5 L$ O" [. w5 t8 g7 F6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!
& ~6 ? i6 e. G" z* N/ m; H! J6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?
4 P9 |8 I3 a! u& c! \6.10. How can I change the default settings for new panoramas?
& p' ]2 _5 L' n4 p4 V% W6.11. How can I stitch extremely large panoramas?& @( g) G- A3 e4 j. M
6.12. How can I align a set of images, all taken in the same direction (not a panorama)?" ?% b* v, L1 O2 g: | E& A* n
6.13. How can I use exactly the same stitching settings for different sets of images?
1 T8 v+ k N) W) v6.14. How can I correct a single image for lens distortion?
0 F" ~, ^7 ^4 G6.15. How can I show a panorama on my website?5 c4 @1 n0 `8 o) Z ?6 Y5 [
6.16. How can I publish a panorama to Facebook?! ~. F6 ?% g( R- f/ o5 e0 W& g
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama? p5 H" R; W Z2 b
6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?$ z: j2 n- M8 n7 u5 s! C9 X
6.19. How do I level/straighten a panorama using horizontal / vertical line control points?" n; u; \9 l, C( m4 ?
6.20. How can I correct a single image for vignetting in PTGui Pro?
" R5 J1 @/ t# }( D6.21. 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?8 M) [! e7 J8 {
6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?
! ]7 @3 x' W* ]: y6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?
' A; K- ~* Q; e& O' H4 [8 x6.24. How can I tell PTGui to output panoramas at a specific size?
& k$ D! b* c9 w' ^4 b2 u- [0 p. r# H! W* w: u6.25. How can I defish a fisheye image in PTGui?
/ ], B* C3 h6 t. U6.26. How can I extract a 'flat' image from a spherical panorama?; b* N' g" f, \2 A( D" e# a
6.27. 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?
- Q* U O9 {; J) r6.28. 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?
7 f8 U O- @1 E7 O* U: Z6.29. How can I view a finished panorama interactively on my computer?! D+ h2 f n1 _) v, O9 b
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?
; W/ w1 t: F9 j) g6.31. I need to align/overlay an image to an already stitched panorama. How can I do this? u4 O' Q! a1 ~* ^, g6 K t
6.32. How can I stitch a PTGui project from the command line?& V: b0 N4 Z9 [* U( J
6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?1 `! ^% o" r) d7 _( B4 X# H
6.34. How can I display spherical panoramas on my iPad?
! r4 n+ s6 n' O# G6.35. How can I stitch panoramic video in PTGui?
1 Z1 ]/ k' N; {8 G8 @. R7 J& q( ^6.36. Is there a way to stitch many panoramas using the same settings?
2 v) h8 F6 v7 ^4 p. A4 I5 ]6.37. How can I make 'little planet' images in PTGui?
# ~+ g2 I. |6 u6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
% k6 v, U, p5 {; V6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?/ y# f* R- W' Y4 x8 @; F
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?
8 e( h% M& C8 `8 X8 Y, B6.41. How can I stitch two back-to-back circular fisheye images?! X1 \2 r$ f/ Z3 F1 ~0 g0 U6 J
6.42. How can I retouch the nadir of a spherical panorama?
, l5 v9 u- t0 |8 e4 L. p6.43. How can I stitch images taken with a 360° one shot camera in PTGui?9 \ x0 J$ p* B. }7 c k s) \& x
6.44. How can I prevent PTGui from placing control points in certain areas?6 ~( _% m) k9 M- T5 M7 }9 a
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$ T5 c% Q9 g5 Y0 m% k/ L) D! X8 K7. PTGui Pro and HDR; e& B; a) C" F
( }8 N/ G6 ?/ o* [' c x( r" R7.1. What is the best way to take images for HDR stitching in PTGui Pro?
% w- _# a( F/ D/ v2 F9 z( R7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?
! o m$ f" b0 |7.3. PTGui Pro doesn't recognize my bracketed exposures!
+ |% R7 B* Z. e6 ^# Q6 [& u, e o7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.
5 H4 Q1 p. }5 ?9 h0 Z* I7.5. 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?; i3 z5 Q& }' |' 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?
, Q! i* `9 a- S1 l7.7. 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.. y: o7 p% ^% e9 i d$ I5 z
7.8. What's the deal with linked images?
6 p( w* ^5 G4 V- L L! m7.9. Should I link my bracketed exposures or not?0 ?- [/ z! I7 O, T$ S3 j$ k
7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?
) k: ~ j0 _- l2 u, A7.11. I would like to stitch my panorama in PTGui Pro, but use another application (e.g. Photomatix or Photoshop) to create the HDR.
* R2 {9 Q7 `' R2 |' F3 K, @7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
7 g; F: _ Y0 r h/ K7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?5 l; @* m' n! R5 f6 \5 `3 K: }
7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!# x" `) P. A! r# \2 T2 C' C
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+ ?" r+ x- W5 q$ k. y* V z8. GPU acceleration
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$ \* p+ x# t! R( ?' r$ \2 a+ A8.1. Which GPUs are supported by PTGui?
5 A) y7 F% @0 R1 ^7 J* F8.2. Which graphics card should I buy?$ N. ]' x+ X9 t5 L. u5 ~. D5 x
8.3. Does PTGui support using multiple GPUs?* z/ u, L$ [- V
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