The graphics tag has no wiki summary.
0
votes
0answers
45 views
OpenGL .obj parser skews textures on model [closed]
This is a cross-post from game-dev because it seems more general to graphical programming than game development.
I have written a simple .obj parser for my OpenGL game engine that reads vertices, ...
-1
votes
0answers
34 views
selecting images that make good viewing geometries [closed]
I have to work with multiple aerial images. the objective is to reconstruct 3d features.
for a particular object, i want to find the images which are giving good viewing geometry than others. so ...
0
votes
1answer
81 views
How to compute barycentric coordinates in a systematic and efficient way?
As part of a ray tracer implementation, I need to compute the barycentric coordinates in a triangle in 3D in order to decide if a ray hits the triangle or not. In theory this could be done by simply ...
-3
votes
1answer
79 views
imagepng is not working? [closed]
imagepng is not showing the image on browser. I don't know what is the problem in this code
$image = imagecreatetruecolor(200, 400) or die("a");
$bg = imagecolorallocate($image, 255, 255, ...
22
votes
1answer
607 views
Why have hardware-accelerated vector graphics not taken off?
I'm working on an app that involves real-time manipulation of vector paths at 60fps, and I'm very surprised by how little information there is on the subject. At first, I tried to implement my idea ...
1
vote
3answers
174 views
combining (something like) Flash in a windows form application
I know this is a place where people ask advice for designing code.
I am at a bit strange side on my coding quest, on one side people send me design stuff.
Special graphics and ideas on how they should ...
-1
votes
1answer
111 views
Technical interview graphics-related concepts fundamentals [closed]
I'm having a technical interview with a graphics society in a few time and I'd like to expand my knowledge related to the following subjects:
TLB (translation lookaside buffers and their role)
low ...
1
vote
2answers
301 views
What is the best way to plot 3D/2D plots with real time data? [closed]
First of all, I like to use Python, because it is easy to work with. I am not a programmer, so I prefer anything that is easy to use and understand. I understand that it might be faster to program 3D ...
0
votes
0answers
125 views
Appel's algorithm implementation
I'm trying to implement the version of Appel's algorithm for vector hidden line removal (i.e. I'd like to avoid any form of rasterization). I found the description of this algorithm here - ...
3
votes
1answer
242 views
Encapsulate bitmap (*.bmp) as C++ class
How would you implement / design a class which has to represent a bitmap?
I'm stuck at handling the different possible color modes and I keep thinking that this should be somehow implementable using ...
6
votes
3answers
210 views
Scale an image with unscalable parts
Brief description of problem: imagine having some vector picture(s) and text annotations on the sides outside of the picture(s).
Now the task is to scale the whole composition while preserving the ...
-1
votes
1answer
247 views
How to move a car around an environment with hills in C++?
I don't have any code for this since I don't know how I am meant to do this.
I have a car and I am able to move it around on a flat plane and I have that working correctly. However, I want it to also ...
1
vote
1answer
345 views
OpenGL programming vs Blender Software, which is better for custom video creation?
I am learning OpenGL API bit by bit and also develop my own C++ framework library for effectively using them. Recently came across Blender software which is used for graphics creation and is in turn ...
0
votes
1answer
128 views
Can graphics in the public domain be used in commercial software?
For example: http://commons.wikimedia.org/wiki/File:Epithalamus.png
Could I take an image file like that, splice it apart, and use it in an application that would be sold?
1
vote
0answers
80 views
Add text to graphic: Looking for inspiration [closed]
I have to redesign a report (web-based) that basically adds text on top of a map. It relies on some parts which are no longer supported by 64bit systems and is too unreliable and complex to just ...
0
votes
3answers
91 views
Working with vectors and transformations
I am going to write an graphical 2D application that allows user to create polygons and transform them through transformation such as rotation an so on. I was hoping someone can give pro and cons ...
1
vote
3answers
672 views
Computer Graphics: Principles and Practice in C ( in Python? )
I am attending a Computer graphics course after the summer. I have read lots of good things about the book "Computer Graphics: Principles and Practice in C" for people who are willing to put in some ...
1
vote
2answers
254 views
Efficient way to compare scene-graph trees
I'm designing a scene graph system, where it is required to compare two trees. The trees are populated with individual objects, each with varied number of children; and they have a root.
Eg: Parent: ...
0
votes
2answers
263 views
Cairo Rotate Text : Transformation Matrix
http://www.cairographics.org/manual/cairo-Transformations.html
I have been using Cairo Vector Graphics Library for some work, and I can't quite understand some parts:
What is the default value of ...
0
votes
1answer
359 views
Win32 and Win64 programming in C sources?
I'm learning OpenGL with C and that makes me include the windows.h file in my project. I'd like to look at some more specific windows functions and I wonder if you can cite some good sources for ...
7
votes
3answers
318 views
How would you unit-test or perform the most effective automated testing on graphics code?
I'm writing a game and the accompanying graphics engine on top of OpenGL in C++. Im also a fan of good coding processes and automated testing. Graphics code + testing seems pretty immiscible, since ...
2
votes
11answers
276 views
Build functionality around the design, or the other way around?
When you build an application, is it better to design the UI first (in Photoshop or whatever), then implement the functionality following the UI you just designed, or do the programming and build the ...
0
votes
1answer
128 views
Tool for work between UI/UX Designers and developers to show animations [closed]
Are there any standard tools for work between designers and developers, especially for designer to explain flow and animations (e.g. animation of components on ipad)?
1
vote
2answers
141 views
Rotate, Scale and Transform in video games
IF a 3 dot vector and a 3x3 matrix can rotate, scale and transform things in a virtual 3D space, could you use a 3x3x3 matrix and a 3.3.3 vector to do something to the games sense of time?
1
vote
3answers
632 views
How to import an image using openGL [closed]
I am new to openGL C++ and what I wanted to know is if there was a pre-existing function in the OpenGL library that would allow me to import a 3d or 2d model?
For example, if I make a 3d image ...
39
votes
6answers
2k views
I can't draw. How can I make polished applications?
I'm not a graphic designer. I'm pretty bad at drawing anything. I struggle to build things that look even as nice as "sample" applications bundled with development tools; primarily because I don't ...
9
votes
1answer
148 views
How do graphics programmers deal with rendering vertices that don't change the image?
So, the title is a little awkward. I'll give some background, and then ask my question.
Background: I work as a web GIS application developer, but in my spare time I've been playing with map ...
2
votes
2answers
1k views
Low level Linux graphics
For educational purposes, I'd like to write an application on a Linux environment that can process keyboard events and draw graphics without huge dependencies like X or SDL. I presume that this must ...
1
vote
6answers
796 views
Java or c++ for math intensive graphics application? [closed]
Lets say my friend needs to write an incredibly math heavy application. He has thought about using C++, but he wants to write it in Java. Just how slow is Java compared to C++? His application will ...
15
votes
2answers
236 views
Getting A Logo And Graphics For An Open Source Project
I have been working on an open source project for about 2 years.
I would like to create a web site, but I am on essentially a zero budget. I also need a logo.
My question: How should an open source ...
3
votes
5answers
272 views
How would you architect an application which is largely a collection of flowcharts?
I am working with a history teacher on a history app. He has like 200 flowcharts that he wants to put into the app (among other things). The two likeliest-looking ways to do it:
HTML/CSS. The big ...
5
votes
4answers
9k views
How can I get into C++ graphics library?
I'm 16 years old, have been programming for a year so far and I know 2 languages: C and C++. I've covered the basics, I've written functional windows programs, and I've written complicated bits of ...
4
votes
1answer
80 views
Retexturing a model via API on the web
I'm looking at creating a site where a user could see our product and configure the options or look of it and see an image that represents that.
The way I'm doing it now is if you have Piece A ...
2
votes
2answers
648 views
Drawing Ellipse from a bounding box?
Does anyone know a good algorithm for drawing an ellipse from a bounding box?
draw_ellipse(int s1, int s2, int s3, int s4, color c);
I don't need something optimized to incomprehendable , ...
5
votes
2answers
388 views
Image color/grayscale classification
I am trying to classify a set of images into grayscale or color groups. I have been using ImageMagic to do that, comparing the color image to a grayscale version of itself and then using the Peak ...
3
votes
3answers
183 views
Filling a scene with cubes
I am trying to design a solution for simulating gaseous fluids in confined areas, I am using naiver-stokes equations for fluid dynamics but since it only covers incompressible fluids like liquid, i ...
0
votes
2answers
278 views
Who can change the View in MVC?
I'm working on a thick client graph displaying and manipulation application. I'm trying to apply the MVC pattern to our 3D visualization component.
Here is what I have for the Model, View, and ...
18
votes
4answers
2k views
The perfect crossfade
I find it hard to describe this problem in words, which is why I made a video (45 seconds) to illustrate it. Here's a preview of the questions, please have a look at it on Vimeo: ...
1
vote
1answer
322 views
Best practices for graph representation of a system architecture?
I don't really know the nomenclature regarding these matters, but here is a brief description of what I want. Please let me know if I should substantiate more.
So I have this larger project involving ...
4
votes
2answers
113 views
Incremental and partial drawing of the large graphs
I have the following problem: I'm developing a software for data visualization where I get a graph structure and represent it in 3D space. So far, I've been using force-based algorithms to draw graphs ...
6
votes
6answers
3k views
Rendering trillions of “atoms” instead of polygons?
I just saw a video about what the publishers call the "next major step after the invention of 3D". According to the person speaking in it, they use a huge amount of atoms grouped into clouds instead ...
3
votes
5answers
2k views
Can we technically un-blur images?
Since there is an algorithm to blur images, so that part of it cannot be recognised, can we reverse the algorithm and unblur part of than image?
Is there a program that already does that, is that ...
9
votes
5answers
693 views
Good at Backend, but bad at front end
I want to start web development, I have been learning php.
I have experience in Java, Python, and C++
This experience has made me good at the back end side of web development.
But I am terrible at ...
4
votes
4answers
180 views
What kind of data visualization targeted for non-tech users have you used?
I work for a non-tech company and am getting lots of requests for "portals" and complaints about how our SSRS reports look, so I was poking around for some quick data visualization products that look ...
5
votes
6answers
264 views
How likely is it for a programmer to become a good designer?
I'm a programmer, and I'm pretty good at programming. I can easily pick up most technical topics such as Linux, Systems Administration, Databases and of course, new programming languages. I even ...
2
votes
1answer
289 views
What graphics engine is used in Photoshop
I am wondering what is the default graphics engine used in Photoshop?
It's great tool. And I don't know how they make it?
I mean, if I want to create a simple tool like it, I will use MFC/GDI+.
So, ...
3
votes
2answers
3k views
What good graphics libraries are there for Python, not necessarily having to be about games? [closed]
I would like to try out a simple graphics programming framework for Python. It mustn't be game specific or anything, nor does it have to support 3D. I just want to use it for drawing graphs, charts ...
8
votes
4answers
199 views
Learning graphical design as a developer
I'm mostly a developer and have been offered a job as webmaster. It's likely that I'll be asked to make some cosmetic changes to a website every now and then.
Has anyone made this transition? If so, ...
4
votes
3answers
483 views
Animation languages (or tools or libraries)?
What language, tools or libraries do you suggest for prototyping applications that use a lot of animation? For example:
Conway's game of life
Solar system simulation
Signal propagation
Good ...
5
votes
7answers
731 views
From console to GUI applications
I'm a beginner programmer and all I've worked with so far are console applications in C++. Coding wise, how is the graphical side of programs created? I understand the logic that I am using from ...
