Flickering and HTML vs Flash

[JFrehr]

Hi all you panorists!

I made a flashVR of a church, but I am having trouble because there is a flickering when I am rotating.
Flickering is perhaps not the correct word. I mean "not smooth"
When i exported in HTML though - it is much more smooth
View the differences here:
The picture is 8000x4000 px

FLASH
http://jesperfrehr.dk/Panoramas/output2 ... ama_1.html
HTML:
http://www.jesperfrehr.dk/Panoramas/out ... orama.html

First question? Am I missing something? Have I done something wrong? - or is it just that way because of the size of the flashfile?
I can see on this link http://www.panoramaphotographer.com/com ... isons.html that other Flash players are smoother when playing Flash e.g. KRpano and Flash Panorama player. Are they better in interpreting the flash file?


I probably want to use the HTMLversion on my site. Because of the Jagginess (is that the correct word?)
Question two: why should I not use HTML? It can be viewed on multiple platforms (ipad, android) and...
Is there a security problem in people watching the code?

Looking forward to hear your answer

Regards
Jesper

[smooth]

If you wish to emulate your Flash panorama to others you must build it in the same way.
The others use cube faces not equirectangular. Also you will learn to use different interpolation filters and compression (file size plays its part).
Your Flash file should be displayed via a HTML file with the correct parameters (always).
The build size (dimensions) of your Flash should not exceed regular screen sizes. 800x600,1024x768 is normal. Full screen options in 100% can be looked after by the html code.

When I attempt to view your panoramas via your HTML link, it is forcing HTML5 format (thus cube faces).

Regards, Smooth

[JFrehr]

Hi Smooth

Thankyou for your quick reply!
I have some follow up questions

I hear you say: "use cubefaces instead of equirectangular" - is that right?
That will give me the butter effect when panning
Why hasn't anybody told me that . All tutorial I have seen uses equirectangular projections

Why are you unhappy about HTML5 - compatibility issues?
If I want to play my VR's on an ipad - I have to make HTMLfiles right? Ipad wont play flash.
How do I do that? - In pano2VR ver 4 I do not have the option to just use HTML.

I tried to reduce size to 1024x768 - and it looked like this http://jesperfrehr.dk/Panoramas/output3 ... orama.html
Better?

Still I see a much smoother flow in my HTML5 link in previous post.

Jesper

[360Texas]

Hmmm LOLLLLL can not get there using this email/website URL mashup. Might give it another try and we will go look.

http://www.jesperfrehr.dk@jesperfrehr.dk/Panoramas/output3/IMG_6655-Panorama.html

[JFrehr]

Sorry - link now corrected.

How could you see that the images on the http://www.panoramaphotographer.com/com ... isons.html was made out o cubefaces and not flash (or am I completly missing something?

Jesper

[360Texas]

Looks like an FPP projection.

Used Firefox, Chrome and IE 9. Saw flash assembled cube faces.

Used Safari 5.1.7 for PC [with Flash plugins disabled] used for HTML5 cube face tiles output. Saw blank white screen with [GET FLASH VIEWER] button upper left corner.

[smooth]

Jesper,

I know that they (other software) use cube faces because I understand the programs and what they require.
Panning is no better with the others once you know how to build your Flash panorama. There are subtle differences, but in generally not a lot.

View my website and see if they pan the way you want. http://www.omnipix.com.au

As for HTML5 it is an infliction of Steve Jobs and Cr"apple". The world has been talking this format up for the last 18 months - 2 years and so far all we have is a product that works "sometimes" depending on the time of release and the browser viewing it. Just when you think you have it sorted Apple does an "update" and all the rules change once again. This is fact. It is still a million miles away from Flash offerings in my eyes. But if your into mobile devices - this is your punishment for the moment!

OK, understand this:

Flash requires a HTML page to work via a browser correctly.
HTML5 uses CSS3 and WebGL to display via HTML page.
HTML5 uses Cube Faces
Flash can use Cube Faces or Equirectangular input images. (One is not necessarily better than the other) But the other software you wished to compare it with does use Cube Faces.
If you use cube faces you can compress the cubes individually.
It doesn't matter what size (dimension) you output the flash movie as the HTML Flash parameters controls the display size.
The larger the cube faces the more RAM is required.
The higher the image quality (meaning the least compression) the higher the memory required.

To get you going try a cube face at 1800px and a compression level of 70. This will be good enough for most fullscreen display and should keep the Flash panorama file size down to around 2 - 3mb total.

Regards, Smooth

[JFrehr]

Hi Smooth

Thankyou for your reply. You are a wise man!
I clicked on to your website. Noticed I had been there besfore. Nice " car at night"-picture. A little flickering though.

Right now I am looking, not from my own PC, perhaps thats why. (memory, graphicscard).

I will go on with the cubeface, with compression level 70.

Regards
Jesper

[smooth]

I think you are referring to juddering/jerky movement more so than flickering. I.E: Panning not so smooth?
This is to do with Memory and CPU. The tiles in my panoramas are larger than I suggested.

I would class Flickering with Shimmering effect, this is where highlights flicker with bright/light in the highlight areas.
Normally due to over-sharpening of the image or using the wrong interpolation filter with an already sharp image.

Regards, Smooth

[JFrehr]

Hi Smooth

YES - that was the words i have been looking for. "Jerky movement"
Thankyou

Jesper