Infoseite // Fields in the export as TGA sequence?



Frage von Florian Meiler:


Hello forum.

two quick questions for export from after effects 6.0 pro. I got a Targa sequence by copying factory, which I have now worked, and will return again as a TGA sequence.

Now my 2 questions:

1. when I got the TGA was the 24bit color depth. I should now take the export synonymous 24, right? brings 32 or what?

2. I have to render synonymous fields? I am not quite clear, as with the TGA-next process sequence then, if the copy factory they moved back to digibeta.

PS: sorry, but I am in hurry and export for the first time a Targa sequence.

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Antwort von Jörg:

Hi,
if the alpha channel are (will be) created, bit pick 32, because you've got progressive material, there is no? Due to export interlaced.
For large doubt I would rather ask.
Gruß Jörg

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Antwort von Florian Meiler:

many thanks, joerg. helped me a lot, that would have done so spontaneously synonymous. But with thy blessing sowas is obviously easier. Then again demanded and got everything is ok, so how shall I do.

now, when I first time working with material copied from the factory and the material is then synonymous back there again, I have noticed that I have a few things clear.
googelei parallel to my here I would like to make a couple of questions stand. maybe someone knows some tips or helpful links to it.

what exactly is happening in the copy factory? let's assume that it is at 24fps with 35mm film material: that we then moved on via FAT digibeta with the result of a copy of the film material on a cassette with digibeta 25fps. right?
how are you be next?
digibeta the material is likely gecapturet and then exported as a TGA sequence, which I get (again it further in my case on several data discs) on. then I'll get the TGA as a TGA sequence into after effects: interpret footage:

[list] 1 alpha: in my case is the section on alpha channels grayed out, so I can assume that None is integrated.

2. framerate: if I was right earlier (35mm film> digibeta> TGA sequence), is to select 25fps.

3. fields and pull-down:
[list] 3.1. separate fields: Now I just did not know exactly how with the half-frames at einzelbilsequenzen behaves. vsin the point I ask for an explanation.
3.2. remove pulldown: I read in another contribution that: "if your source material, the video editing project, to be issued and the video is PAL (25 fps), then it should be set to pull anything."
so if I with the above presumption (like my TGAs incurred) was right, my 25 fps source material, work on my project project thus as 25fps, my export is synonymous s.end again be 25fps (unless requested otherwise, for any base) . list [/ u: 8fd62937c4]

4. Other options:
[list] 4.1 pixel aspect ratio: in my case is a classic 4:3 material, here is where all clear PAL (1.07). [/ list: u: 8fd62937c4] [/ list: u: 8fd62937c4]
I would just like to very rough times were too high to understand the basic workflow. to grasp ever again, which I ask myself, had to ask because when I copy material from the factory and get this, it reproduces.

I would be very on reply and / or are left to the theme.

Florian

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Antwort von Markus:

"Joerg" wrote: ... because you've got progressive material, there is no? Due to export interlaced.
Are Targas been rendered as progressive? One can easily see when you open a TGA file from a movie section with movement in an image editing program. Interlace stripes, yes or no? ;-)

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Antwort von Florian Meiler:

fall in this material was interlaced. And so did ichs synonymous interpreted in the project worked and re-issued.

I would be very interested in the principle only once, as with my then finished, machined TGA sequence will proceed in the next copy werk. I only know that they will be there again drawn on digibeta.
So I still would have in any case (if I am a conscientious man), the TGA sequence interlaced output, though I know that is pulled on digibeta or DV. no preference whether I got the sequence originally interlaced or progressive.

And another question on this:
Quote: if the alpha channel are (will be) created, take 32-bit itself has a "conversion" of from 24bit to 32bit TGA TGA on the quality? I do not appreciate it around, right? (in contrast to 32bit to 24bit). they probably remain the same, but is not better?

Space


Antwort von Markus:

"Florian Meiler" wrote: I would be very interested in the principle only once, as with my then finished, machined TGA sequence will proceed in the next copy werk. I only know that they will be there again drawn on digibeta.
If I would receive a Targa sequence to play off on video tape, I would go as follows: Import TGA sequence into video editing program, playback of the timeline and simultaneous recording means connected VCR. More is not.

"Florian Meiler" wrote: fall in this material was interlaced. And so did ichs synonymous interpreted in the project worked and re-issued.
If the material delivered was interlaced, and will later be recorded on video, then you have done everything right.

Space


Antwort von Florian Meiler:

Many thanks for the reply again.
Quote: If I would receive a Targa sequence to play off on video tape, I would go as follows: Import TGA sequence into video editing program, playback of the timeline and simultaneous recording means connected VCR. My last step is not to play the band, but the export of the project as a TGA sequence. The TGA then come back again on a DVD copy to the factory. then take over the recording of the band (in which case: digibeta).

so I wanted to know how to play well into the fields in such a case does matter. because if my TGAs band to be put back on, I would have even half-frames with export (?).
another way: if I would give the fields copied TGAs WITHOUT factory, this means yet qualitästverlust one, if the copy factory reinrechnen even then the first field must be (?).

And in conclusion actually my all-important presumption: as a Targa sequence so will probably never be the end of the processing chain, but it makes sense to pass it always WITH fields.

Space


Antwort von Markus:

You were asked to point B, but wanted to really know A. How do I know that if you do not write? ;-)

"Florian Meiler" wrote: another way: if I would give the fields copied TGAs WITHOUT factory, this means yet qualitästverlust one, if the copy factory reinrechnen even then the first field must be (?).
No, it must count for playout no fields. During the playout of a progressive sequence of TGA on videotape, the 25p video broadcast on the interlacing. Two consecutive half-frames is so under the same (identical) frame. This procedure is called synonymous 25f.

Whether it makes more sense in the case described, render with or without half-frames, I would depend on the nature of the processing. If you are performing as a color correction, and the material delivered was progressive, then I would be synonymous progressive rendering. Fields driving up in this particular case, only the rendering time without any material impact on the outcome. The 25p full namely, looks exactly like the corresponding full-25f and the corresponding full-50i. In none of these cases were seen interlace strips to the frame.

If the material delivered to a progressive and you render it as text into a moving picture, I would render for the raffle on videotape with interlaced. This has the advantage that the movement of liquid looks. The frames are different: In the picture you can see 50i interlace strips in the appropriate 25p-Picture no.

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Antwort von Florian Meiler:

Many many thanks.

And please excuse the poorly targeted questions, but I honestly do not really seem to even know what answer I'm looking for. Now that I got them, I know that it is the one I hear synonymous (did I'll do it again) everything so complicated.

find out but at google, I was simply not possible. therefore again very many thanks.

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