Lighting – How can I illuminate a large group photo at night on a stage outside?

For the choice of the lens: Visit the site in advance. In my opinion, use the lens with the longest focal length, which allows you to equip the entire stage with the right frame.
You want to prevent people with wide-angle lenses from being in the corners. This kind of distortion makes people look fat – nobody will thank you for it.

Bring a tripod so you do not have to choose the shutter speed for how long you can keep the camera still, but how long people normally keep their bodies motionless. In my experience, with 1/30 in most cases you get a safe, sharp shot. If you're lucky, you can try slower shutter speeds. But in any case: Take several shots with each shutter speed you try.

Do not rely on automatic exposure. Use the manual mode and check the histogram.

It goes without saying, but I say it anyway: Shoot RAW.

The lighting will be the hardest. What equipment do you have and which equipment is on the stage? Is there someone who operates the stage lighting?
Ideally, you have diffused light from an angle.
If you have multiple flashes, you can place the flashes towards the walls and use the reflection of the flashes as a diffused light source.
For 200 people on a stage, however, there should be several objects on the stage from which you can reflect light. And you need at least 4 or 5 flakes.

When stage lights are present and can be operated: Strong light from one side, part of the light (75% or less) from the other side.

Good luck!

dnd 5e – Does the seventeenth stage of a light-cleric produce sunlight?

Yes, it is considered sunlight

Let's compare the cleric function with the spells sunbeam and Sunburst:

From level 17, your action can activate an aura of sunlight that lasts for 1 minute or until you close it with another action. They emit bright light in a radius of 60 feet and dim the light 30 feet beyond. Your enemies in bright light have the disadvantage that they ward off throws against any spell that causes fire or radiating damage.

A beam of brilliant light flashes from your hand in a 5 foot wide, 60 foot long line. Each creature in the row must make a constitutional save. On a failed turn, a creature suffers 6W8 Radiation damage and is blinded until your next turn. If the save is successful, it suffers half the damage and is not blinded by that spell. Undead and vast numbers have a disadvantage in this saving throw.

You can create a new radiation line as an action in each turn until the spell ends.

For the duration, a touch of brilliant radiance radiates in your hand. It emits bright light in a radius of 30 feet and dims the light for another 30 feet. The light is sunlight.

Brilliant sunlight flashes in a radius of 60 feet centered on a point you select within the range. Every creature in this light must make a constitutional saving throw. In a failed rescue, a creature suffers 12W6 of Radiation damage and is blinded for 1 minute. If the save is successful, it suffers half the damage and is not blinded by that spell. Undead and vast numbers have a disadvantage in this saving throw.

A creature blinded by this spell will make another save at the end of each turn. A successful save will no longer blind you.

This spell dispels any darkness in its area created by a spell.

We look sunbeam This sunlight can be described as dimming of bright / weak light. And we look Sunburst that something that is sunlight does not have to be explicitly stated as it is sunbeam, The light corona counts as well as these two spells as sunlight.

To further support the question "Does the sacred nimbus actually emit sunlight?" There is currently a well-rated answer mentioning the Holy Nimbus function does are considered as sunlight, though they contain only the following relevant text:

[…] Brilliant sunlight shines in a radius of 60 […]

Usability – Should I try to prevent the user from realizing at an early stage that there are not many others in hen-egg apps that require a network effect?

For example, in my user registry, the user can set preferences for other users, much like a dating app.

If these other users are filtered out, the user's first impression about the app may be, "Oh, there's no one here, is that thing dead?" -> close -> uninstall -> and they will probably never come back. Churn. Actually, it's just brand new!

So while I'm developing the app and there are not many available yet, I should take those settings out of the registry so they will initially see a lot of people and their first impression is not that it's dead and delaying the app so that you can choose the settings later? You could still take advantage of the app, even if it's not their straightforward preference.

I know that I can not do too much here, because they will eventually find out, but what is your recommendation?

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How can I deactivate the purple stage lighting for motifs?

You can counteract the strong influence of magenta, which is typical of LED stage lighting, by adjusting the fine-tuning of the WB camera for most DSLRs. Canon calls this feature White balance correction, It can be accessed under the WB Shift / Bkt Menu item in Canon cameras. Most other camera manufacturers have similar settings.

You may also need to adjust the exposure to compensate for a color channel that is much stronger than the others. A combined histogram (and automatic exposure of your camera) that averages all three color channels does not indicate the channel that is completely exhausted. Set your camera to display separate red, green and blue histograms on the LCD screen when viewing images and adjusting the exposure based on the strongest color.

From pages 172-73 of the EOS 7D Mark II user manual, Other EOS cameras are similar.

Move the cursor in the direction away from the colors on the four edges of the graph that dominate your images. When you exit the WB correction screen without pressing the button to adjust First, click on your changes Not be advertised!

You can use WB correction to create a single image, or WB bracketing to create three images, with WB correction included in magenta<--->green axis or the blue one<--->yellow axis.

Note that when using bracketing, three pictures are shot for each shutter release operation with the different exposure compensation adjustments made. This causes the write time on your memory card to be the same for each trigger operation as for three different pictures. This means that when using WB bracketing, the maximum number of bursts is reached before the camera's memory is full and the frame rate is about 1/3 lower than when using WB bracketing.

When photographing under an LED stage lighting that shows the characteristic pink as in the examples in the question, I usually use a white balance correction of about 8 or 9 steps towards green and about 2 steps towards blue (G9, B2). Each step with Canon EOS cameras is roughly equivalent to a filter with 5 color conversions. Normally, I adjust the color temperature manually by trying it out. At the bar I photograph most with 3700-4200K and a WB correction (G9, B2).

All you have to do is play around with it in each place you shoot and set the lights for each performance in the same location. When the lights switch between colors, I do not try to fade them out completely, but simply set a median value when all three colors of the LEDs (R, G, and B) are lit, and then let the variations persist throughout the performance. If only one color LED is lit, you can only use one black and white image, either in the color you are using or in black and white. Even if the red / magenta and blue LEDs are lit, it is always difficult if there is no green at all because Bayer masked digital cameras respond twice as sensitively to green light in the mid-visible range than to red and blue at both ends.

When you record RAW, all settings in the camera for color temperature and white balance correction can be changed later. When you record JPEG images, they are closer when you shoot them. With JPEGs, you can adjust the R, G, and B curves independently, and a good HSL tool can help remove color casts from JPEGs, but radical changes do not look very good. Saving the raw data gives you one amount more room for color correction in the post. If you are not using the raw conversion software of your camera manufacturer (Digital Photo Professional 4 for Canon), your WB fixes may not be applied automatically when you open the RAW file on your computer.

One of the biggest advantages of shooting raw data over JPEGs is the ability to use the color picker in raw data conversion. Another advantage is the correction beyond the limits of White balance correction Tool. If I have chosen a maximum of +9 for green in the camera and still wants more green, I can do that in a raw editor. If you get close enough to a white object under the stage lighting to take a photo suitable for the setting of a Custom white balance then you can do pretty much the same in the camera. However, you may not always have the option of shooting a white object under the stage lighting that is large enough to use on a camera-based camera CWB, With the color picker in the post, you can use a much smaller area of ​​the overall picture to adjust the color temperature / SW.

Even with your highly compressed JPEG image, I used white balance for clicks and then adjusted the hue, contrast, and saturation. I then used an HSL tool to reset the magenta, yellow, and green saturation while slightly increasing the green and yellow luminosity and decreasing the magical luminance (the singer's skin was blown out in the gastric canal). I got the following in a few minutes:

corrected jpeg

Here are two versions of the same image I took a few years ago. The first is how a JPEG in the camera would have looked like with "Auto WB" and the Canon "Portrait" Picture Style. The only difference in the second was the use of the "click white balance" eyedropper to adjust the color temperature and white balance correction to the raw data in one click. (The tools I'm using now are a bit more sophisticated, but only the "click white balance" can do it pretty quickly!)

straight out of the camera

Click WB

For more information, see the following related questions:
Blown blue / red light makes photos look blurry
How could I counteract the violet lighting?
What are suitable lenses for concert photography?
I'm having trouble getting sharp pictures while I'm photographing a concert from a press site
Best lens and camera settings for dance concerts with average lighting
Why do RAW images in editing programs look worse than JPEGs?

Deployment – Live users not found in Stage and Dev

Acquia works on a system with three environments. When working in such a system, code is moved up from dev -> stage -> prod while databases from prod -> stage -> dev are moved down.

You should always consider content on dev and stage as nodes, users, taxonomies, etc. to be temporary. This is because you are migrating content by migrating the entire database from prod -> stage / dev or sometimes stage -> dev.

To involve your user in all environments, you must create the user on prod and then migrate that database to stage and dev. In these environments, you can then log in with your user.

If you were a porn star, what would your stage name be?

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