5. Improving the results
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5.1. The horizon of my panorama is curved instead of straight
: Z, _1 j$ q9 H( q0 `7 `, G! V2 k3 D P5.2. I get color/brightness differences between the images in my panorama
T' W3 ?% _! H3 y! F7 V5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?! L/ O5 ^# h' a: _: ?
5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
/ K& T) [' }! v; _/ O5.5. 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?& G, m* [* ?- X/ o- {
6. 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?
+ H: i' Y. ^7 A2 G9 j6.2. How do I use the Horizontal line and Vertical line control points?
K5 [& t- t4 O7 |. h$ p8 z, ~! D6.3. How can I calibrate my lens parameters?" H) a$ b0 G5 m' u, c9 O* s- r1 {/ \) {
6.4. Does PTgui allow stitching of photos that have the camera in different locations?: A. _2 j' B) ^+ U* @( H
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?
/ u7 N5 \! Y: u' F+ s' l2 ]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?2 \$ l/ O7 m! P9 I& k2 [! a
6.7. How can I have better control of the overlap area (i.e. the location of the seams)?
+ [5 b- o1 O: p1 b) ~) i& Z' M k" x6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!
- |! d3 A0 x, C% K/ C6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?
) R. V0 G* ~4 r% k6.10. How can I change the default settings for new panoramas?
* p6 X( W7 k8 L4 |4 b$ `7 G6.11. How can I stitch extremely large panoramas?
) Z/ D0 N6 K6 D6.12. How can I align a set of images, all taken in the same direction (not a panorama)?. O$ O' j! R- j$ f3 t9 s# @
6.13. How can I use exactly the same stitching settings for different sets of images?
) B4 A: j. [- ^; F( q6.14. How can I correct a single image for lens distortion?
8 @6 ^4 N6 i1 n$ y6.15. How can I show a panorama on my website?$ `7 s$ H9 _) B
6.16. How can I publish a panorama to Facebook?$ ^1 n- D/ L8 s2 Y3 h6 E# c: x' ^
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?3 L2 N; m; _& y- k, ^6 M
6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama? m5 A6 {- F, [ M6 W
6.19. How do I level/straighten a panorama using horizontal / vertical line control points?- y3 h$ Z8 ]1 @
6.20. How can I correct a single image for vignetting in PTGui Pro?
* }2 U% M4 G7 e6 z6.21. 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?& |" J& X2 E/ `, P" M7 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?5 u3 Z' T0 r. M- Q
6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?
! x9 l5 b5 Q: [" G6.24. How can I tell PTGui to output panoramas at a specific size?- L6 m4 ?* M2 y
6.25. How can I defish a fisheye image in PTGui?
% D B( z" J" M2 T& ^9 U6.26. How can I extract a 'flat' image from a spherical panorama?
4 s, p( o+ D6 L& h6.27. 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?& K- C+ i) D9 f+ A2 f. q1 W& V0 \
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?9 m9 ]* ?0 m; p7 o' U# A5 \
6.29. How can I view a finished panorama interactively on my computer?8 f% V% u2 E; F" L! I1 \9 l' a
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?
4 R1 _3 A; A' E. k+ ^4 W) B6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?
4 n. ?" R" @ j0 a6.32. How can I stitch a PTGui project from the command line?
7 C; T# j2 g3 B( Y0 X6 Y6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?
/ k* N! w$ z2 A6.34. How can I display spherical panoramas on my iPad?
. ] ?) V6 s5 C6.35. How can I stitch panoramic video in PTGui?
) M4 k0 O* `; @4 O& i* u5 C0 J6.36. Is there a way to stitch many panoramas using the same settings?& ^ w: p* y, t+ f- ?
6.37. How can I make 'little planet' images in PTGui?
' Q: u, g# ?1 T1 E% L6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?/ O3 ]# S. r6 Y+ `: z2 }; s
6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?
: m) F' b% C5 j7 l/ J$ Y6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?
" n/ ~4 I7 [ j% G6.41. How can I stitch two back-to-back circular fisheye images?
5 x) C" b L# q. e6.42. How can I retouch the nadir of a spherical panorama?
1 _# O0 k* H2 _! g6.43. How can I stitch images taken with a 360° one shot camera in PTGui?
, ^8 F1 H. x3 j: z7 W: Q8 y6.44. How can I prevent PTGui from placing control points in certain areas?
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7. PTGui Pro and HDR/ E# {- A- Y( P8 ~/ z
( F. k8 \/ B" G" n- d& t: M* m& N7.1. What is the best way to take images for HDR stitching in PTGui Pro?3 w7 a8 f; p% S r: `/ f7 d* L
7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?9 s+ f& }5 b+ |2 N7 ^
7.3. PTGui Pro doesn't recognize my bracketed exposures!* F; k$ Q3 B2 T9 Q- c
7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.
" I, Y( p+ k# A/ B$ x$ }8 e" X7.5. 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?% C2 ~2 A+ C" ]( A2 B# 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?
/ x2 K+ m1 Q$ O. F. r$ 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.
; r5 M( H2 N( R* c7.8. What's the deal with linked images?: i/ x+ Q3 W5 @! O. p1 ^; a" u1 D1 r
7.9. Should I link my bracketed exposures or not?1 e& R. w/ _* B% L3 v2 w
7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?6 k9 {6 N4 c' r' t7 B3 X5 a' h: I, P
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.
0 a7 Z0 C4 S% ]) M8 B# m; n7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?5 a- m# S$ k6 Q" G
7.13. Can I extract artificial bracketed images from my (non bracketed) RAW files and have PTGui Pro assemble those into an HDR panorama?
2 X& d$ m4 M- l9 ^/ E) u7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!7 y" h5 h' @( s7 E, q
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9 q8 I% j$ T+ r m# v: D6 B9 K8. GPU acceleration
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( S* J5 W/ G% z, r& Y) ~) F, s8.1. Which GPUs are supported by PTGui?1 t# e/ d) o% g$ r9 k2 w- b
8.2. Which graphics card should I buy?
" E0 i8 {7 x) x+ k& w: |( A8.3. Does PTGui support using multiple GPUs?
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