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line not straight during viewing

nonchiedercilaparola

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Sunday, August 12th 2012, 7:41pm

line not straight during viewing

hi, i'm a problem with the visualization of line in my pano. The equirettangolar image are ok not error stitching all is good but when converted it by kolor panotour pro demo (same result with krpano toools) the visualization are bad: all the line are sacled (not stright) but if i zoom this error disapear.

so i think there is a interpolating problem. I choose 2200 cube face size (512 for tiles) and 8 for the jpeg quality. where is my error? or it is a way to reduce this problem?

thanks

This post has been edited 1 times, last edit by "nonchiedercilaparola" (Apr 11th 2013, 4:23pm)

Zephyr

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Monday, August 13th 2012, 10:19am

try increasing the display.details to 32 or set display.flash10 to on

klaus.krpano

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Monday, August 13th 2012, 6:16pm

Hi,

do you maybe use a partial pano with the horizon not in the middle of the image?
or provide a link or screenshots about the problem...

best regards,
Klaus

nonchiedercilaparola

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Thursday, April 11th 2013, 4:21pm

Quoted from "klaus.krpano"

Hi,

do you maybe use a partial pano with the horizon not in the middle of the image?
or provide a link or screenshots about the problem...

best regards,
Klaus
it's a full panorama (360x180) and the problem also remain with maximum jpeg quality(12)
http://www.photospherical.it/VT/2012/Lid…ocristallo.html

i tryed to add
set(display.flash10, on); and set(display.details, 32); to all actionview but nothing change. i noticed that when click on architectural view the problem decreases on vertical line.

i also tryde to add this code (from Straight line problem in VR) to my global xml file:

<display fps="30"
details="32"
tessmode="3"
movequality="low"
stillquality="HIGHSHARP"
flash10="on"
movequality10="low"
stillquality10="HIGHSHARP"
stilltime="0.25"
/>

problem remain:(

p.s. naturally i know that this issue is impossible to complitly resolve (i saw this problem in pano of great master of panoramic photography) but in my case i think it is too obvious. isn't it?

This post has been edited 3 times, last edit by "nonchiedercilaparola" (Apr 11th 2013, 5:00pm)

klaus.krpano

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Thursday, April 11th 2013, 6:24pm

Hi,

Please make also a screenshot and describe your problem with it.
The projection itself is fully okay in your link.

If you mean the normal perspective-distortion - try using using a small fov value.

Best regards,
Klaus

nonchiedercilaparola

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Monday, April 15th 2013, 9:24am

Quoted from "klaus.krpano"

Hi,

Please make also a screenshot and describe your problem with it.
The projection itself is fully okay in your link.

If you mean the normal perspective-distortion - try using using a small fov value.

Best regards,
Klaus

jschrader

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Monday, April 15th 2013, 10:08am

Your edges are too much pronounced through oversharpening and jpg artefacts due to high compression.

nonchiedercilaparola

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Monday, April 15th 2013, 4:30pm

Quoted from "jschrader"

Your edges are too much pronounced through oversharpening and jpg artefacts due to high compression.
thanks for the reply. What's your jpeg compression? i have use high compression to get a 2-3mb pano. What's your jpgcompression-sizeMB ratio?

nonchiedercilaparola

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Monday, April 29th 2013, 5:36pm

jpgcompression-sizeMB ratio?

nonchiedercilaparola

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Thursday, May 16th 2013, 7:00pm

so?

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Thursday, May 16th 2013, 10:15pm

I just put my aprox 10000x5000 or much bigger 16 bit tifs on the droplets..

Tuur *thumbsup*
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klaus.krpano

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Friday, May 17th 2013, 4:05pm

Hi,

Quoted from "nonchiedercilaparola"

thanks for the reply. What's your jpeg compression? i have use high compression to get a 2-3mb pano. What's your jpgcompression-sizeMB ratio?

Quoted from "nonchiedercilaparola"

jpgcompression-sizeMB ratio?

Quoted from "nonchiedercilaparola"

so?


Just as note - Panotour and the krpano tools/droplets are working different when creating the images - there is different resampling, different oversampling, different filtering and also different jpeg compression, so the results or settings can't be directly compared.

The default setting of the krpano tools are a balance between image-quality and filesize.

Best regards,
Klaus

nonchiedercilaparola

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Tuesday, June 4th 2013, 4:03pm

Quoted from "Tuur"

I just put my aprox 10000x5000 or much bigger 16 bit tifs on the droplets..

Tuur *thumbsup*
in this moment i try to compare this two workflow:
a) equirettangolar 16bit max resolution (es. 10000x5000) --> resize to max resolution for the web (es. 2200x1100) --> sharpening --> 8bit conversion tiff --> krpano droplet --> tiles in jpeg;

b) equirettangolar 16 bit max resolution (es. 10000x5000) --> sharpeining --> krpano droplet --> tiles in jpeg (Tuur workflow)


with a) i get imeges a little more blurred;
with b) i get imeges a little faded).


this is certainly due to color spece.


other considerations:
- my monitors aren't compatible with 16bit images so is it unusefull to work in 16bit?

klaus.krpano

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Tuesday, June 4th 2013, 6:55pm

Hi,

try this:
1. CONVERT (not assign!) your images to sRGB color-space (saving as 8bit would be enough after this step)
2. NO RESIZING
3. NO SHARPENING
4. drop the images on the MAKE VTOUR (NORMAL) droplet

If you want smaller cube sizes, edit in the templates/vtour-normal.config file the maxcubesize setting (with any texteditor).

Best regards,
Klaus

nonchiedercilaparola

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Thursday, June 27th 2013, 9:53am

Quoted from "klaus.krpano"

Hi,

try this:
1. CONVERT (not assign!) your images to sRGB color-space (saving as 8bit would be enough after this step)
2. NO RESIZING
3. NO SHARPENING
4. drop the images on the MAKE VTOUR (NORMAL) droplet

If you want smaller cube sizes, edit in the templates/vtour-normal.config file the maxcubesize setting (with any texteditor).

Best regards,
Klaus
do you apply sharpnening on jpeg tiles?

klaus.krpano

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Tuesday, July 2nd 2013, 1:35pm

Hi,

Quoted from "nonchiedercilaparola"

do you apply sharpnening on jpeg tiles?
Do you mean if the krpano tools or the krpano viewer would add sharpening?
The answer is no, and that shouldn't be necessary normally.

Best regards,
Klaus

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