5. Improving the results
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8 g, L' P6 n6 O) M8 I5.1. The horizon of my panorama is curved instead of straight6 d+ D0 W- g2 j2 h. q8 s& g8 \
5.2. I get color/brightness differences between the images in my panorama
# W3 p4 N0 h! p8 C1 j' V$ F5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?
2 O& y* M) ?9 _& G; ~3 R5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
$ E* c" D9 g6 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?* f! \( @, X1 q& ^6 D' d6 W! r$ U
6. How to...
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* V! c' |5 _- o2 Y+ n+ O2 r7 i$ E6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?
6 T' p# Q2 H3 h6.2. How do I use the Horizontal line and Vertical line control points?
2 U% J* w: H6 \9 Z6.3. How can I calibrate my lens parameters?& K! w+ p" F2 U, o4 c5 t; j, ~
6.4. Does PTgui allow stitching of photos that have the camera in different locations?0 p$ e0 f. W. }$ k8 O
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?% _, Z2 `) v" J$ g
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?+ l3 r& c$ F2 L
6.7. How can I have better control of the overlap area (i.e. the location of the seams)?
: W8 {* f. R2 a3 e* C' d7 ]6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!
" p8 {# M2 T- }6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?
M0 Q. W6 u) u5 e, a3 t6.10. How can I change the default settings for new panoramas?4 Y+ W+ ~$ S1 ]+ t& Y5 M7 H; ?+ H
6.11. How can I stitch extremely large panoramas?" Y3 v" r* \: `# c, E/ ]
6.12. How can I align a set of images, all taken in the same direction (not a panorama)?$ N0 O" V4 e! n6 G+ M" G4 H
6.13. How can I use exactly the same stitching settings for different sets of images?
5 y7 F/ c0 ]/ g" _/ H; B, v6.14. How can I correct a single image for lens distortion?
! X6 M0 y: A5 ~6.15. How can I show a panorama on my website?
: P- _9 X7 r5 N# U6.16. How can I publish a panorama to Facebook?
0 y8 P5 r# j& T4 e1 Y2 ?; {8 D6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?$ x. a- K5 p& u+ S& |* f
6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?
+ X3 v5 Z' c: y$ I `6.19. How do I level/straighten a panorama using horizontal / vertical line control points? ]/ K- j, e9 a( E T& ?
6.20. How can I correct a single image for vignetting in PTGui Pro?- Y6 P# ^# `% s5 j
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?4 K! e+ u) Z2 _: B& M0 X1 p
6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?
$ i* {& [: z s2 M! W, G' j6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?- R) b0 o& i3 p O T
6.24. How can I tell PTGui to output panoramas at a specific size?! m% |' a) O0 P
6.25. How can I defish a fisheye image in PTGui?0 R, v- X. J# R% {8 Y2 q* S, J
6.26. How can I extract a 'flat' image from a spherical panorama?+ h# T* L0 I) L
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?
5 N; w: o+ p- n& ~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?% ? z1 n# q5 h. C0 j+ {
6.29. How can I view a finished panorama interactively on my computer?
9 T- f2 o0 {# o, P* e: R6.30. 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?: ^& d% R! b# B
6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?9 N& U& Z3 \9 O9 Z) C
6.32. How can I stitch a PTGui project from the command line?* S* g- E3 O, ^5 q) L( Q5 X
6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?/ d+ G" P e5 N, v j$ B- K! k
6.34. How can I display spherical panoramas on my iPad?0 u& f# I' ]/ Y2 m2 T! x
6.35. How can I stitch panoramic video in PTGui?
+ L2 L$ v6 f3 ]4 `6.36. Is there a way to stitch many panoramas using the same settings?
, ?: a$ X! \. o* K! I) C4 @1 Y6.37. How can I make 'little planet' images in PTGui?8 C! S; X y( ^4 w
6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
. ^+ `5 N- s9 @6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?, ~) m# _( |, f
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?3 r( g' m# W- N* H
6.41. How can I stitch two back-to-back circular fisheye images?7 g, J" X) k3 f
6.42. How can I retouch the nadir of a spherical panorama?
6 d# \/ ~4 P6 a4 Q' y6.43. How can I stitch images taken with a 360° one shot camera in PTGui?8 ]4 Q4 g! V+ [' f
6.44. How can I prevent PTGui from placing control points in certain areas?3 L. F( j5 d D* p, _
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7. PTGui Pro and HDR
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; J9 _* y1 ?' F( K6 ?( m! ~' v b7.1. What is the best way to take images for HDR stitching in PTGui Pro?. u* t# k# h5 E* Z7 u6 u: N. C
7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?% b! V5 I+ C1 J& s( j5 y
7.3. PTGui Pro doesn't recognize my bracketed exposures!9 Y) \$ V- h' ]' l4 |
7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.
h3 c$ ]! J# F% J$ J, e7.5. 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?- G2 E7 {0 \$ h& w, f
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?# h) E4 H8 \9 h5 ? t8 u) p7 G" B
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., @* [ g3 C8 [0 S2 Z5 g
7.8. What's the deal with linked images?
% Z. a, k o H7 ], f% ?% Q- W7.9. Should I link my bracketed exposures or not?" \# a5 c; |* |* h/ W$ A
7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?5 Y" ~" M# p1 B( q7 s( Q/ j
7.11. I would like to stitch my panorama in PTGui Pro, but use another application (e.g. Photomatix or Photoshop) to create the HDR.; ]! P b9 \- I
7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
' q6 ?4 |4 D1 p" E8 ~7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
% F, H: p, V7 T. u3 e9 C4 n7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!3 l3 P; ~! ]4 ]0 ]. R# {
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& c6 T( l& @# r- c8. GPU acceleration% G) h' f' @! U3 A6 |* A2 P, O, P) z
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8.1. Which GPUs are supported by PTGui?
" z* i; O: h5 ^) d8.2. Which graphics card should I buy?' o3 @# F3 P w+ ^# P
8.3. Does PTGui support using multiple GPUs?) C1 _, [ _' R! Z8 Y6 W- |( G
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