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5. Improving the results6 X+ r# m5 U3 u' V. C
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5.1. The horizon of my panorama is curved instead of straight7 f) K- B6 f% a7 u. s
5.2. I get color/brightness differences between the images in my panorama
; V3 g$ B$ O" u' C& Z5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?' J- o- a8 {7 j5 _& z, J0 ~
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?7 l2 }5 I' g8 L
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?0 N( j& f* S: }) I* L* u
6. How to...
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* t3 e" h' c# ]+ D+ V1 I# A6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama? S8 W4 P; i5 _3 G- }
6.2. How do I use the Horizontal line and Vertical line control points? 4 c. b- ?4 h. U# R
6.3. How can I calibrate my lens parameters?$ H" N! x, `0 s
6.4. Does PTgui allow stitching of photos that have the camera in different locations?# }* L( X3 s" J
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?
1 L* M* d J' h9 v/ q1 l( W# n* |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?
: Y( A( C; P. x% b6.7. How can I have better control of the overlap area (i.e. the location of the seams)?
( C( u D3 X3 s( P( z/ Y. j6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!
; i) e! p1 v3 w/ U4 j8 j5 I6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?9 l; J6 f( \" y9 j% _
6.10. How can I change the default settings for new panoramas?6 K* g' s! d- W( R& n* ?3 ~+ c! r
6.11. How can I stitch extremely large panoramas?
3 ^* i' \' {" u5 F& I6.12. How can I align a set of images, all taken in the same direction (not a panorama)?% k6 p6 F! z, o& d% E( F
6.13. How can I use exactly the same stitching settings for different sets of images?/ A8 E& y5 v/ A0 E/ R3 P4 e( t
6.14. How can I correct a single image for lens distortion?* P f1 l ]* g( s
6.15. How can I show a panorama on my website?) A. v2 r$ q0 D; ~2 ^$ J1 V
6.16. How can I publish a panorama to Facebook?
% z: j1 L* G0 b5 Y9 @" S, v6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?
# a2 }; S) K* d; w3 z% b) E6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?3 f1 _) N$ Q0 s( B O) P$ o3 f
6.19. How do I level/straighten a panorama using horizontal / vertical line control points?1 n( V2 e- {. k4 s
6.20. How can I correct a single image for vignetting in PTGui Pro?) L- t6 ^* y7 E# E5 a7 |( q$ g
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?& Y4 x) m& v$ l& c ^ |" @
6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?% k% S0 C/ l* I( j7 \
6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?
% i; s& V8 D9 Y6.24. How can I tell PTGui to output panoramas at a specific size?7 C: _* k; w$ S+ N7 b
6.25. How can I defish a fisheye image in PTGui?+ Y7 Z* o. t) X% E l* q
6.26. How can I extract a 'flat' image from a spherical panorama?
8 V9 u3 t1 |. a8 h. |' H3 Z6.27. 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?
; }! Y# ]& L2 w i" D% t' @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?
; u. ^% B; e7 M1 X$ |. Q6.29. How can I view a finished panorama interactively on my computer?$ I8 f8 H9 C$ {7 W
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?, k& X; V2 a0 V
6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?. [. b, E( ]9 }& W1 z
6.32. How can I stitch a PTGui project from the command line? p6 u, T6 n' f3 x2 ^. `$ l
6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?$ d) x2 I" W0 k, y% E. }
6.34. How can I display spherical panoramas on my iPad?
9 U$ Y9 i$ f1 K* Z- r5 k2 Z6.35. How can I stitch panoramic video in PTGui?# g/ w) p3 q8 Y' l1 D( @
6.36. Is there a way to stitch many panoramas using the same settings?
- O5 M! n2 P& H6.37. How can I make 'little planet' images in PTGui?
, Z3 g& I/ U2 }- O- l5 b4 t6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?
; c6 A4 F# k, b6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?; H: u ^0 o/ D6 Z: N
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?7 v9 L; I5 m. ~( I) ^3 y* ` q
6.41. How can I stitch two back-to-back circular fisheye images?7 c2 A, }0 r6 \/ N* b/ b0 W
6.42. How can I retouch the nadir of a spherical panorama?
* H, } t* z# d8 r/ `. { j6.43. How can I stitch images taken with a 360° one shot camera in PTGui?; S! a0 \3 `. K% I: s
6.44. How can I prevent PTGui from placing control points in certain areas?
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7. PTGui Pro and HDR
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7.1. What is the best way to take images for HDR stitching in PTGui Pro?1 t* l/ L+ r2 \; k( v$ [% T
7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?6 [2 D7 n( L! H! ^4 J* \) y
7.3. PTGui Pro doesn't recognize my bracketed exposures!
$ {( v5 l" @, R% c7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.
0 C- ^& I* T7 O( K* V7.5. 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?
% O6 F- Q0 R4 o9 S" m! }3 P- _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?
* Y& s8 n d, y! Y3 O# s7.7. 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.
. i, P. d) z$ f* }: d# q, G7.8. What's the deal with linked images?& _, H" q3 I& F* y7 [
7.9. Should I link my bracketed exposures or not?4 S0 \9 M, W2 Q' h( `% J
7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?+ D' u' j2 a5 [! A! 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.
: `+ D4 F1 W3 W7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?
: O" ^6 N5 U2 \- L7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?. T( X, r1 A {) [+ F$ M6 _3 C j& C
7.14. 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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+ x# T7 l, v) }8 N1 v& Y8. GPU acceleration( F; x0 `1 f' Y4 X9 m% G
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8.1. Which GPUs are supported by PTGui?0 [ P3 L- a' j `- w0 P# S
8.2. Which graphics card should I buy?1 {1 U7 V, j5 H9 t8 \
8.3. Does PTGui support using multiple GPUs?
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