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6 votes
Accepted

How do I fit a 16:9 or other non-square photo into a 1:1 image without cropping on iOS?

Your options for resizing the 16:9 image mentioned to be 1:1 in size are Crop it Letterbox it Stretch it Let's pretend the image is 16x9 instead of 16:9 (units are irrelevant.) Crop, taking the ...
PhotoScientist's user avatar
5 votes
Accepted

How accurate are the GPS coordinates in an exif from an Iphone photo and does the exif tag also provide the bearing?

GPS data varies wildly in accuracy depending on location. In big cities, GPS can be very inaccurate because of the urban valley effect and the resulting multipath interference. Often, the best ...
dgatwood's user avatar
  • 2,255
5 votes

Is there an app that shows location-specific times of sunrise, while considering line-of-sight obstructions, such as terrain?

I found this partial solution here at StackExchange. While I am not sure of the precision to which this calculation is made, it is a first step. Now, if only the results could be calculated for a ...
Martin's user avatar
  • 263
5 votes

Is there an app that shows location-specific times of sunrise, while considering line-of-sight obstructions, such as terrain?

The Photographer's Ephemeris is a very popular app used by landscape photographers who need to know when the Moon/Sun is going to be at specific spots. It may be of great help to you.
Frank's user avatar
  • 674
5 votes
Accepted

I'm a sculptor & need a 3d photosphere of a human head for reference, is that possible?

I believe that what you want is to create a 3D model from a series of photographs of your subjects head. The process of doing this is technically a form of photogrammetry This can be done reasonably ...
Peter M's user avatar
  • 2,036
4 votes

Is there an app that shows location-specific times of sunrise, while considering line-of-sight obstructions, such as terrain?

Interestingly, Google Earth Pro allows you to change the time of day in 3D mode to see a representation of how the shadows will fall due to topographical features. I can't say that it's the best, but ...
BobT's user avatar
  • 6,744
3 votes

I'm a sculptor & need a 3d photosphere of a human head for reference, is that possible?

I think you're looking for a "bullet time camera array" also called a "timeslice camera array". It allows you to take a picture of a person or object from many angles at the same ...
Saaru Lindestøkke's user avatar
3 votes

Can the canon r5 and r6 connect to a phone without that phone disconnecting from the internet

This is most likely an issue on the phone end, not the camera end. Most (all?) phones assume that if WiFi is enabled, that it can use that for internet connectivity, instead of shuffling internet ...
twalberg's user avatar
  • 5,138
3 votes

Batch Scanning / iPhone apps?

Not a task I've ever needed to do, but why not kill two birds with one stone & just outsource the job to a decent photo lab? They could provide full-scale images & thumbs [contact sheet ...
Tetsujin's user avatar
  • 23.4k
3 votes
Accepted

Can one use the iPhone X's (and newer models) infrared camera for photographic purposes?

According to the (currently only) answer at the recent StackOverflow question, Is it possible to access the infrared camera on iPhone X?, not via the approved iOS API library calls. But ...
scottbb's user avatar
  • 32.8k
3 votes

How do I fit a 16:9 or other non-square photo into a 1:1 image without cropping on iOS?

I just did a very quick google for "enlarge image canvas ios" and the first result was Photo Canvas Size Increaser.
osullic's user avatar
  • 12.4k
3 votes

Are there any apps for "eye training" (e.g., visual perception of white balance/color temp)?

With experience you become more aware as to how lighting and the color of the illuminant will change the way a vista will reproduce. You begin to see that shadows on snow have a blueish tint and you ...
Alan Marcus's user avatar
  • 39.2k
3 votes

How can I measure a height in an image using a person's height as reference?

With Gimp you can define the image definition to about any arbitrary value, and the measure tool can display measure in the corresponding physical units. For instance in this picture the woman is ...
xenoid's user avatar
  • 21.4k
3 votes

How can I measure a height in an image using a person's height as reference?

I would just use a ruler... Scale (zoom) the image on your screen so that the person is a simple ruler measurement tall, like 1 inch... the scale of the image is now set as 1in = 1.8m. Then measure ...
Steven Kersting's user avatar
2 votes

Are there any apps for "eye training" (e.g., visual perception of white balance/color temp)?

I rather doubt it, since perceived color has little to do with actual color balance. That's why you tend to interpret the color of an object as immutable whether you observe it in direct sunlight, ...
Carl Witthoft's user avatar
2 votes

Are there any apps for "eye training" (e.g., visual perception of white balance/color temp)?

You can receive training to help you become more aware, but not more perceptive, in the way you mean. Perception is not absolute with fixed values; but, is relative to the abilities of your senses on ...
Stan's user avatar
  • 5,521
2 votes

Are there any apps for "eye training" (e.g., visual perception of white balance/color temp)?

I've never seen any apps that can train you that way, but I have seen a smartphone colorimeter apps that identify colors, as well as an actual smartphone colorimeter/light meter (or at least its ...
inkista's user avatar
  • 52.2k
2 votes
Accepted

How to copy EXIF metadata on Android from one photo to another?

I found on the Google Play Store a port for Android of exiftool, named (no surprise) ExifTool, that gives you a command line interface to the well known tool. It'...
gerlos's user avatar
  • 726
2 votes

Using bulb mode with EOS Remote app without having to hold down shutter button possible?

If you are in the bulb mode you just need to press the shutter button once on your phone in the camera connect app and it starts the timer and you press the shutter button again in the app to release ...
user78433's user avatar
2 votes
Accepted

What is this low-quality, fuzzy filter called? And does anyone know how to apply it to your own photos?

I don't think there's a filter here, per se. The images are fairly dark ­— one might say "underexposed", although that's subjective — so you'll want to choose exposure settings below what your camera'...
mattdm's user avatar
  • 143k
2 votes

Can the canon r5 and r6 connect to a phone without that phone disconnecting from the internet

A few can. For instance, for Canon cameras that have an external Wireless File Transmitter (WFT) module available, the external WFT module will allow an encrypted connection to an external WiFi ...
Michael C's user avatar
  • 175k
2 votes

Can the canon r5 and r6 connect to a phone without that phone disconnecting from the internet

Using som old cameras I hade to connect to the cameras built in wifi network to remote control it and download images to my smartphone. This the resulted in my smartphone loosing internet access until ...
null's user avatar
  • 8,514
1 vote

How can I measure a height in an image using a person's height as reference?

If the reference object is the same distance as the unknown object, then it's simple ratios. (HR in pixels) / (HR in metres) = (HU in pixels) / (HU in metres) Where: HR is the height of the reference ...
qrk's user avatar
  • 3,016
1 vote

Can I use my Samsung A51 smartphone camera to look at the red/near-infrared region?

-I assume near-infrared pixels will be labeled in most software as 'red'. Would there be any app which enables me to separate (even false-color differently) shorter-wavelength red from longer-...
Kevin Reid's user avatar
1 vote

App that tracks sun AND incorporates topography?

Yes there is an App called Peakfinder. It's showing you exactly when the sun is coming up behind a mountain. https://www.peakfinder.org
Sac Lenca's user avatar
1 vote

Is there an app that shows location-specific times of sunrise, while considering line-of-sight obstructions, such as terrain?

For the Sun and most major celestial objects, this US Naval Observatory tool may be what you want. However, I suspect it is not exactly what you are seeking, as you seem to be interested in local ...
WayneF's user avatar
  • 12.9k
1 vote

How to copy EXIF metadata on Android from one photo to another?

Here is a workaround that is not optimal for your problem but better than nothing. You can tell A Photo Manager to store meta data changes in jpg and in external xmp file. When your external app ...
k3b's user avatar
  • 131
1 vote

App for aligning with old picture while taking new picture (Samsung Galaxy S7)

The feature you're looking for is called onion skinning. Available apps are constantly changing. You can search Google Play to find a suitable app.
xiota's user avatar
  • 27k
1 vote
Accepted

What filter was used on this photo?

What I see is an increase in saturation, a raised black point and some film-like grain. It looks like the colors are slightly flat looking, not very contrast-y. Especially the grass which looks ...
clabacchio's user avatar
  • 2,219
1 vote

Oil Paint Effect app or Software

If you have Adobe Photoshop you can find this effect under the filters tab. Go to Filters>Oil Paint... Adjust the sliders to get the desired effect.(Keep the 'Shine' slider at zero).
teja cs's user avatar
  • 11

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