5. Improving the results
" D v6 S K6 M" r/ z6 O- }& [0 C. o) Z6 W1 t; r- r0 X
5.1. The horizon of my panorama is curved instead of straight
0 v6 f# S+ e! l, ^! N# M5.2. I get color/brightness differences between the images in my panorama: I( q% H+ |0 C3 _! N
5.3. How can I change the resolution (ppi or dpi value) of the generated panorama?
; S. ]# w \# F" v5.4. I see misalignments in the stitched panorama. What can I do to improve the result?
# _, P. Y( ]! J* W# 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?
; E' E0 `( j4 E* i6. How to...; ~" q- u- T( _! [ f& T m
4 q' S0 i: @/ i% W7 H/ K# l6.1. My panorama contains curved lines. How do I get straight lines to remain straight in the panorama?
9 ?9 ]! m; f8 B$ e6 K6.2. How do I use the Horizontal line and Vertical line control points?
4 {: D! d2 G* ~' \- x% m" i) J6.3. How can I calibrate my lens parameters?& ? d- m/ \( C, W* c" x) n1 g
6.4. Does PTgui allow stitching of photos that have the camera in different locations?9 x2 r* o* `, W
6.5. How can I stitch mosaics, like partial scans from a flatbad scanner of a large image?
) ?1 z) o2 D" Z- I2 M" c6.6. 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?
. ~8 l5 V6 V5 _1 {$ R, Y6.7. How can I have better control of the overlap area (i.e. the location of the seams)?. i/ F( @* ~1 H% n/ N m3 |- ]) Y
6.8. How can I create a vertical panorama? PTGui rotates my panorama 90 degrees!
8 D+ c' X7 @9 D* N: e$ L! D6.9. I want to cover the tripod in my (360x180 degree) spherical panorama. How do I add a nadir cap?
& k1 t5 D( _3 [6.10. How can I change the default settings for new panoramas?: Z( S6 D3 w l) s0 q
6.11. How can I stitch extremely large panoramas?
& i8 {2 Q: ~) o$ ~3 @+ P+ j: R6.12. How can I align a set of images, all taken in the same direction (not a panorama)?) o" {( e0 x) j: P6 m. Z
6.13. How can I use exactly the same stitching settings for different sets of images?
; a) l0 U" y* P7 U& M6.14. How can I correct a single image for lens distortion?
8 ]) Q4 P9 H( n6 p* v8 k6 i6.15. How can I show a panorama on my website?! z7 z- m2 x8 Y% o) t4 R7 O: U+ d6 F
6.16. How can I publish a panorama to Facebook?, ?6 P6 q# P7 Q$ z+ G( e
6.17. Why does Facebook display my panorama as a flat image, not as an interactive panorama?
- d$ l3 E& ~7 q' i9 V; L8 w4 J6 b6.18. How can I use PTGui to add the metadata required by Facebook to an already stitched panorama?
. ]5 E! C* f6 _) A+ R5 `! C0 h9 w6.19. How do I level/straighten a panorama using horizontal / vertical line control points?- V- m# r0 y* A+ q0 F- ]
6.20. How can I correct a single image for vignetting in PTGui Pro?0 l; U$ m! w3 r2 ?; K: o0 f! _
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?1 o1 g: k/ N+ B' z* j
6.22. After running Publish to Website my panorama has black holes at the top and bottom; how do I get rid of these?
$ R$ g/ U8 P! f5 |) O6 j9 M6.23. PTGui leaves some blank space around my panorama. How can I crop the panorama so that it fills the canvas entirely?/ D+ R- B& C3 I N% d
6.24. How can I tell PTGui to output panoramas at a specific size?" j. n/ j3 a5 T. F |
6.25. How can I defish a fisheye image in PTGui?" V. s6 l; U( e5 n
6.26. How can I extract a 'flat' image from a spherical panorama?
' G4 S4 \1 W0 o3 N- V, X6.27. 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?
0 o6 {" ]/ i# I/ t2 q, m6.28. 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?
: R) @$ @- l8 g/ Z4 v3 j; J! t6.29. How can I view a finished panorama interactively on my computer?" G1 I- v* Z& @
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 i1 ?' }4 }, q( L3 r) q) d; v; {% C6.31. I need to align/overlay an image to an already stitched panorama. How can I do this?3 J$ q5 O3 [) |- d+ t0 h) W" i
6.32. How can I stitch a PTGui project from the command line?
4 M: X' H8 g( F6.33. Can I use PTGui to arrange pictures into a collage? Can I disable the warping/distorting of images?
) i* l1 I% C* R9 F& F" B6.34. How can I display spherical panoramas on my iPad?
4 o4 `" G t# d, r6.35. How can I stitch panoramic video in PTGui?
: T- {& ~/ v% j' |( M' U3 {: Y) ]6 b6.36. Is there a way to stitch many panoramas using the same settings? m4 t8 K7 Z& t
6.37. How can I make 'little planet' images in PTGui?
0 c9 o. P; C2 u9 D$ p5 C6.38. How can I stitch images from Adobe Lightroom in PTGui? Do you offer a Lightroom plugin?% H! t. k' @+ S* [5 e
6.39. Can you tell me how to make 3d (stereoscopic) panoramas in PTGui?2 w; h G" J+ y' h- V7 _
6.40. How can I view a stitched panorama in a Cardboard VR viewer on my phone?5 V0 C \9 m" M8 `5 s4 L2 i; Y/ L1 u
6.41. How can I stitch two back-to-back circular fisheye images?
' \( o+ H+ B p. Z2 s3 m6.42. How can I retouch the nadir of a spherical panorama?
) A, B' t% N% C0 S. \6.43. How can I stitch images taken with a 360° one shot camera in PTGui?
) C# U4 P" r4 t7 ~& w& ]" ?( m9 e6.44. How can I prevent PTGui from placing control points in certain areas?
. ~, E( Z, C, N: s
9 w1 h& H, r8 l9 A; p) Q
+ {2 \2 G: A" m: i# e9 M7. PTGui Pro and HDR* x3 O5 R; \; X/ S7 k
5 v- A- k' A8 i* q7.1. What is the best way to take images for HDR stitching in PTGui Pro?
6 R; v8 ^7 q: S. ^( g7.2. My images don't contain EXIF exposure information. Can I still use them to stitch HDR panoramas?
, o4 j* w6 I/ h' _5 i2 }) U7.3. PTGui Pro doesn't recognize my bracketed exposures!
) s {! J/ J3 u- M* l/ E7.4. The stitched HDR panorama looks like it was not blended at all. I'm seeing hard edges between overlapping images.4 q) f7 f' ?% s5 o" l( t
7.5. 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?) y d+ R2 M* y( S
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?
; E9 J; h3 L; ]# g( w% T. F7.7. 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: |. i2 p% [7.8. What's the deal with linked images?$ y2 K4 z1 }0 Q* t5 I: c
7.9. Should I link my bracketed exposures or not?! O& M# O$ @8 Q5 e Y3 Q1 @4 H
7.10. Can I retouch an HDR panorama, e.g. to remove ghost images of moving people?: X+ u9 B9 N; _4 A! X5 i2 U
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.
, a0 {* ?2 b& A- |1 q& N4 Z7.12. Can I use PTGui Pro for exposure fusing / tone mapping / HDR generation of non-panoramic images?! R/ ^" S& v0 ~( [, B
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 t6 U6 u) a' w1 ^* e) T7.14. I have read the previous answer but I still would like to stitch my pseudo bracketed images generated from RAW files!2 ~( h' w( E/ h% E) D
# L* |- _# Y& P1 R% ]
3 @1 w$ Q& B, x, ~8. GPU acceleration
; I! @6 _8 Q6 ~0 ?8 M( D0 D( ^ D2 Y U. U2 p. N- {# r/ l; h
8.1. Which GPUs are supported by PTGui? ?8 v# Z. [) E; C q
8.2. Which graphics card should I buy?
- y' q, M6 h! x6 S) b, U; s0 `" w8.3. Does PTGui support using multiple GPUs?
7 z( u" p$ F2 g1 i% ? |