Tag: Raw

raw – What information is contained in “filename.jpg.out.pp3” file?

raw – What information is contained in “filename.jpg.out.pp3” file? – Photography Stack Exchange

raw transaction – How are the unlocking script + locking script executed?

I just wanted to verify the input of transaction 7de75. The related output is index 10 of transaction 00f64.

The locking script defined in 76a91 (index 10) is:

OP_DUP
OP_HASH160
7ddb236e7877d5040e2a59e4be544c65934e573a
OP_EQUALVERIFY
OP_CHECKSIG

The unlocking script in 7de75 is:

3045022100b7393ff959120e3ccb5284e3cf2eaa200235643a1549a4e6faaa911619089e2b02207b677827c7beeb53503e016a8dd29164d07cb79f0f1e058df9b8dfa3568d029001
04c4b7a7f7bb2c899f4aeab75b41567c040ae79506d43ee72f650c95b6319e47402f0ba88d1c5a294d075885442679dc24882ea37c31e0dbc82cfd51ed185d7e94

I’ve concatenated both:

3045022100b7393ff959120e3ccb5284e3cf2eaa200235643a1549a4e6faaa911619089e2b02207b677827c7beeb53503e016a8dd29164d07cb79f0f1e058df9b8dfa3568d029001
04c4b7a7f7bb2c899f4aeab75b41567c040ae79506d43ee72f650c95b6319e47402f0ba88d1c5a294d075885442679dc24882ea37c31e0dbc82cfd51ed185d7e94
OP_DUP
OP_HASH160
7ddb236e7877d5040e2a59e4be544c65934e573a
OP_EQUALVERIFY
OP_CHECKSIG

and executed it via bitcoinIDE. However, OP_EQUALVERIFY failed. Could somebody explain to me where I made a mistake?

edit: I think Rene Pickhard explains the issue here but I cannot follow the explanation 😅

metadata – Why shouldn’t raw files be rotated?

You can’t actually rotate any file. You only can rotate images, then save those images to a file.

But it is usually not possible to write RAW files; it would be possible theoretically, of course (your camera does it), but no software i’m aware of does it, not even the proprietary ones of the camera manufacturers.

What might be possible, with tools like exiftool, is to set a metadata flag in the EXIF data which indicates camera orientation to rendering software. Usually this isn’t terribly useful since RAW files aren’t practical for direct viewing anyway, you typically open them in some image conversion software and save them eg. as JPEG. Or you apply all edits you like “virtually” in software like Lightroom which applies those edits on the fly when viewing the image.

raw – Why does my Lightroom/Photoshop preview change after loading?

The image in the preview comes from an embedded JPEG inside the raw file which was generated by the camera, while the image you see when you open the raw file in Lightroom is generated by Lightroom based on the raw data itself.

The raw image data is captured from the camera at a point before the contrast and color settings are applied by the camera, so any difference in appearance will be from differences in the way the camera, and Lightroom, decided to render the color and contrast.

Every manufacturer’s cameras come with embedded color profiles and contrast curves which dictate how colors and contrast should look when transferring from the raw image data into a full color image, as is done when the camera generates its own JPEG image or the embedded JPEG inside a raw file. These color profiles have subtle differences between manufacturers, for example some of them emphasising skin tones or blue colors, and others taking a more “natural” approach vs wanting their own characteristic “look”. Even the “normal” contrast setting can vary between camera manufacturers.

When using third-party raw editors to generate an image from the same raw data, that third-party raw editor probably won’t use exactly the same color profile and contrast curve as your camera. It also won’t necessarily honor the same contrast curve (or contrast setting) that you selected in-camera. Thus, the image will look different: brighter, darker, less or more contrasty.

If you use raw editing software by the same manufacturer as your camera, you may be able to use the same color and contrast settings that are baked into your camera, ensuring a good result. However, just because something looks “the same as in camera” doesn’t mean it looks better – ultimately, a raw editor will give you greater control over color and contrast than your camera’s built-in settings will, resulting in greater scope to modify the final product.

dnd 5e – Is there a RAW way to allow the PCs to recover only some of their spell slots, HP, hit dice etc?

This is a class feature of Wizards and Warlocks.

Wizards have a class feature called Arcane Recovery:

You have learned to regain some of your magical energy by studying your spellbook. Once per day when you finish a short rest, you can choose expended spell slots to recover. The spell slots can have a combined level that is equal to or less than half your wizard level (rounded up), and none of the slots can be 6th level or higher.

And the Warlock’s Pact Magic feature says:

You regain all expended spell slots when you finish a short or long rest.

So I would be quite hesitant to just give these class features to other casters for free.

Either give them a proper long rest or only a short rest, and adjust the difficulty accordingly.

I’ve run this both ways. I’m sure many DMs know what this is like: either your party blows everything early in your dungeon, or they play conservatively and it looks like the end of your dungeon won’t even be a challenge.

Here’s the thing: your players don’t know what tomorrow holds. You’re only having this issue because you’re the DM and you know what you have planned. So change your plans. If you don’t want them to get their spells back, adjust your encounters accordingly so as to be manageable, but still engaging. Or maybe you think they would better enjoy a significant challenge on a fresh set of spell slots. Adjust your encounters accordingly.

I’ve never implemented a half-rest sort of mechanic where every gets some of their spells back, so I won’t speak to how that might work, but I can say this: I’ve never needed to. I’ve had success both ways, either giving them a full rest or giving them nothing back. You just have to be flexible.

For what it’s worth, I see no reason from your description not to give them a proper long rest. A long rest requires 8 hours of down time and at least six hours of sleep. I’m usually somewhat flexible with those numbers, but the rules do not say it has to be good sleep.

nikon – RAW Photo of the Moon – How to take pictures of objects in front of a (bright) moon?

I have an object in front of the moon and I wanted to take a RAW (NRW) photo including the moon and the object in front, thinking that I can fix the illumination/overexposure later in Lightroom.

But I can’t get the moon out properly. It seems to be overexposed. Or the foreground is really dark. What would be the best way to take this picture in a balanced way? Is it only possible by combining the pictures in Photoshop?

Moon by itself (without color correction):

Moon by itself (without color correction)

NRW file with the overexposed moon: NRW file with overexposed moon

Attempt to show them both in one shot, but the foreground is still underexposed (this was from one single NRW):

Attempt for best of both worlds

I am using a Nikon P950.

dnd 5e – Is there a RAW way to allow the PCs to recover only some of their spell slots etc?

This is a class feature of Wizards and Warlocks.

Wizards have a class feature called Arcane Recovery:

You have learned to regain some of your magical energy by studying your spellbook. Once per day when you finish a short rest, you can choose expended spell slots to recover. The spell slots can have a combined level that is equal to or less than half your wizard level (rounded up), and none of the slots can be 6th level or higher.

And the Warlock’s Pact Magic feature says:

You regain all expended spell slots when you finish a short or long rest.

So I would be quite hesitant to just give these class features to other casters for free.

Either give them a proper long rest or only a short rest, and adjust the difficulty accordingly.

I’ve run this both ways. I’m sure many DMs know what this is like: either your party blows everything early in your dungeon, or they play conservatively and it looks like the end of your dungeon won’t even be a challenge.

Here’s the thing: your players don’t know what tomorrow holds. You’re only having this issue because you’re the DM and you know what you have planned. So change your plans. If you don’t want them to get their spells back, adjust your encounters accordingly so as to be manageable, but still engaging. Or maybe you think they would better enjoy a significant challenge on a fresh set of spell slots. Adjust your encounters accordingly.

I’ve never implemented a half-rest sort of mechanic where every gets some of their spells back, so I won’t speak to how that might work, but I can say this: I’ve never needed to. I’ve had success both ways, either giving them a full rest or giving them nothing back. You just have to be flexible.

For what it’s worth, I see no reason from your description not to give them a proper long rest. A long rest requires 8 hours of down time and at least six hours of sleep. I’m usually somewhat flexible with those numbers, but the rules do not say it has to be good sleep.

magento2 – How to display an image using raw controller?

I’m new to magento and learning hard thesedays.
I have a task to display an image using raw controller but couldn’t really find out how to do this.
I have my image on etc/frontend/web/images as shown on the screenshot.
(1): https://i.stack.imgur.com/JMNmW.png

and my raw controller code is as below.

”’

class Raw extends Action
{
protected $raw;

public function __construct(
    Context $context,
    Raw $raw
){
    $this->raw = $raw;
    parent::__construct($context);
}

public function execute()
{
    $result = $this->raw->create();
    $result->render('<img src="https://magento.stackexchange.com/etc/frontend/web/images/Japan_bg.png"/>');
    return $result;
}

}

”’

I know this code is really bad… I have found a way to print image URL but display…
is there anyone who can help me out with this please?

Many thanks!!

Can you cast a raw pointer to reference with lifetime in Rust?

I’m doing something hacky but useful for my specific project in Rust. I know we can cast from reference -> raw pointer -> address (usize), but can we do it backwards especially with lifetime annotations? For example, I have following code:

struct Name<‘a> {
    name: &’a str,
}

impl <‘a> Name<‘a> {
    fn to_address<‘b>(&’b self) -> usize { ... }
    fn from_addr<‘b>(address: usize) -> &’b Name<‘a> {
        // assuming the address is valid, is this even possible to return an reference with both lifetime?
    }
}

DigiKam: Exclude raw files in slideshow

In my folders I store images as raw and as jpg as I’m not comfortable with a pure raw photography workflow yet. I regularly group the files by filename when applying operations such as rating or face tagging, which works pretty well.

The only thing which does not work well is having a slideshow (full screen view) for the JPEG’s only.

How can I avoid seeing raw + jpg in the slideshow and only get the JPEG’s?

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