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Entangle: Tethered Camera Control & Capture

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the change in the mood of the user and the user's you will tend to
do this would mean that users using this to get to the engine and the
thing is that it is the only thing you have about the program of work on the side of the border and tangled in the hands of the simplest this is basically just a way to control your digital camera from a laptop with a digital camera at the beginning and that's a lot of work in the cone can do our best supported the usability of some compact cameras that you can control on the computer but a lovely people can have seen it's a cripple firmware so you can go
longer to move in the control it from the
from the computer and so that we have a lot of of what this program works with
all of all of this and and sorry technical trouble with that
occurred and so what I consider the following usage scenarios for this program for the the first one was the reason why I started developing its that was built through macro photography a material that is in the auditory at all familiar with what about the the the challenges is getting the focus points just right to the very narrow field of because of the local bacterial camera little LCD screen this guy out of what you've done that rifle not that there's much much easier if you can really images immediately displayed on on huge laptop screen or desktop screen obviously disappointing judges so straight away in the 2nd sentence scenario a studio model publicly and this was something a and sort of photography club that belong to and they're doing a lot of time the model should on stage movement with an equivalent program to this and so you could see the Schultze as they were at the we're taking In the 1st instance I started writing this program to my surprise the number of people turning and saying that the you need to do stop motion animation and that's that's 1 1 useful use case you can have that and finally i'm astrophotography just recently started doing a bit of astrophotography again it's useful because you want we also see the ridges you're taking a big screen with many taking pictures of the nite sky the start the title spots on the right from on
your image and you take that
you will see the start of a little LCDs feel like
we all the camera and just like your
your image displayed on a big screen right away and
you get to the cold call capabilities of the program and solve with it if
you've got your camera connected to the laptop and our USB cable you press the shutter only camera and the region really downloaded to the laptop and display you can also trigger shadow directly from the of the and you can turn on the light the light preview mode if your cameras suppose that the user continuously refreshing the view of what you can receive the nodes in the in the in the 2nd was basically as fast as the camera rolled down the ridges will will display it on on on the screen you can control the variety of the camera settings this depends on what how where you've got a lot of decent quality SLR camera from can you can basically control every possible setting and from the from the top of the photography program color management is of course of important services has color-management built in and again of course we support all the various roles file formats the
cameras produced you do this in monitoring or in
the woods the the of secondary
we
don't really need the architecture in
the past and it's kind of like we not have a talk at the where the program was put into
that going to be 2 separate pieces that molecule the back which is all the interaction with the camera
this this uses the meiji factor which is a which is an open-source library for controlling digital cameras that
also level just of communication of the
camera and GTK export is a lot we use such as manipulating the
images we downloaded and LC-MS there's a lot of lot we are used to doing the color management and stuff and the GE accent which is a library for
extracting metadata from image files and finally the liberal of processing all the role models that of the camera and then in the
2nd part of the code base is workable front-end the moment this is a GTK 3 desktop application and the reason that a lot about the between the back and front and that is that eventually there will be multiple front-ends and the 1 that got in mind so as the 2nd alternative would be a good looking so you could take shots
directly from came of download straight and so your image editing program you could be being we have a lot
reported the and the In the front-end and it makes use of a recent features in
GTK than when the war and more specifically in g objects and produces a psychology object introspection which is a way of taking the C code accessing it from more than a dynamic language that
you might care to use to access all the CAP ideas from JavaScript of Python and I of others that so we make use of this technology to allow you to write the
plug-ins application so users can customize the cost of the graphical display them and that the set of scripting the UI all any kind of fancy
features they might wish to the language that you you you you you you know that the the the the model of a model of a couple
of years but is still the the functionality is of the basic level and as a bunch of ideas of lots of things that I'd like to work on these these things I
ideas of plug-ins that I'd like to write about if you use if you use digital cameras you this is mostly about the feature cold water marketing would likely other to a similar kind of things of that so not
just restricted to think about what is restricted to the bracketing the expression values you could placards the ISO sensitivity all the aperture of the camera or even but it's a different
Flach power levels that more even some combination of all all 3 or 4 different settings and with another another and the like to write and to helping in the
macro world is to focus stacking this is the idea where you going to take a series of images macro images and assume the focus points to a different set of local distance between each shot and you can get this and then you can combine
all these images of thinking about the words that creates and 1 which is really wide depth of field service and we want have to get to a single shot and the
last the last idea what there is some
kind of a patch which is just like a serial series of shots fired
exposure the time gap between the shots this is kind of a useful thing you need to do astrophotography they were taken from
your take 100 shots but over the course of
an hour or 2 and then the only thing you II side of things that I mentioned here is again like
to to write a letter and give a plug
in about controlling control we can work directly from him the you
can support so far is all done the USB that because Mr. because
that's the way of can work that I've got to see you as the controlled 1 but still a new and aniconic can unless a lot of us have the ability to control them and directly over Wi-Fi by using them I mean something that's
the support for the making this work and to the left of the user interface simplification customization work we can move on on the program because of the initiator
of the 2nd you'll see so you like it's but suboptimal a we so that the that there was actually work in a a rejected think it's a good student you will do it again
you know we say we you know we we we know that we do that we do what we do
in the multimodal the we
are use this to be the use of the thing that mirrors the lowest what we were doing this that actually detect the world in a we wouldn't time you because we started taking 2nd most users can evolve in the development of the body and it I have to say the phase we got a website that called to entangled but that's entangled quantum physics as adults older and from the web sites and the final links to mailing lists to find a link to the digital repository so that that the table you really
hit in the end we use it in their work in the words we
know that this is a really good because they give you the website entangled 1st of all you
see a bunch of screenshots and of the program and you'll find links to the care of using a for the oracle so what areas of the the solid oriental
repositories so you can just install it and try that with your digital cameras in the say about a
bit of the Russian economy questions about the kind of question said in the interface regions the cameras are used the you would like ingredients in PTT user enough to be able to use those with entangled were not a bad thing that uses that it is it is
the goal of so if the
Android about so this is the average the the and the theory that would work work in the case of the school I don't think you dimensions in the in the usage of doing so
for that we have and
Open Source
Motion Capturing
Kontrollstruktur
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Leistung <Physik>
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Tabelle <Informatik>
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Metadaten

Formale Metadaten

Titel Entangle: Tethered Camera Control & Capture
Serientitel FOSDEM 2014
Autor Berrange, Daniel
Lizenz CC-Namensnennung 2.0 Belgien:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/32517
Herausgeber FOSDEM VZW
Erscheinungsjahr 2014
Sprache Englisch

Inhaltliche Metadaten

Fachgebiet Informatik
Abstract Entangle is an open source project that provides a Linux desktop application for "tethered shooting". It uses the ligphoto2 library to trigger the camera shutter, preview shots via the camera's "live view" capability, download captured images and access all the live camera settings. It is useful for a variety of use cases including studio model shoots, macro still life, stop motion animation shoots, astro-photography and more. The talk will be targeted at Linux users & developers who are photographers interested in any of the aforementioned use cases. The talk will provide an overview of the important capabilities of the program and, if all goes to plan, a live demonstration of the application in use. The aim is to demonstrate the potential of the application to users who are not already aware of its existence, and attract open source developers to contribute to the project

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