Fbx models exported from 3DsMax as FBX in different version loads with black faces even with extremely high sources of light on them.
The version I am trying to load it from is Binary 7400, but I have also tried older/other versions to no avail. Sadly I can't post a picture of what it looks like since my company does not allow imgur on their internet policy... Imagine an FBX with the sides rendered with a material and the front and back side being black. I have other meshes in the scene that don't have that issue as well. Which makes it all the more confusing.
Alternatively I will try to move to GLTF format since that is the recommended step, though it will be hard to move a large amount of models. I was hoping it would work.
Edit: It seems to have to do with some weird behaviour on the meshphysicalmaterial when interacting with my lighting.
Well appears I messed up and forgot about a little detail. The shadowmapping uses the UVs of the mesh, and those were wrong since it was an extrude and I forgot to update my unwrap.
Related
My CodenameOne app is mainly intended to be the iOS counterpart of an existing Android app. It is for older devices, in fact, as soon as possible, or in the future, a Swift app is going to replace it for OS 14>.
I need some customised icons and I have the svg code for it.
Initially I had to use the Flamingo tool, that converts svg files in Java classes.
I used it like
ScaleImageButton appButton=new ScaleImageButton(new AppIcon().scaled(doubleButtonSize,doubleButtonSize).toImage());
It is cumbersome but it does not even work on iOS.
So now I resorted to create png images for every icon in every dpi level, as it can also be done on Android.
I renamed the files so they follow the standard I think it is proposed in CodenameOne.
The possible names are:
verylow.png
low.png
medium.png
high.png
veryhigh.png
560.png
hd.png
2hd.png
4k.png
In the end it has to be used like
Image icon = theme.getImage("icon.png");
It seems that the images can be imported in the project in more than one way.
I was said to include them in the theme.
According to the CN1 developer guide I have to set the size for each.
If I import them as a whole (selecting the folder or selecting all images and hitting the "Open" button) in the theme editor a dialog appears with all wrong sizes (but they resemble a particular set of choice, although very unlikely).
They are not always the same sizes but neither they are defaulted according to the provided set of images.
I provide images as 24px, 36px, 48px, 72px, 96px, 144px, 192px, 288px, 384px for normal size icons, and also I provide double sized images for double size icons in my app (the values are not doubled as expected).
I also have to check "Square image" and "Preserve aspect ratio" options (my images are already square).
Then the strangest part is that there is a percentage, I see it is 20 for example.
The caption reads "will affect all entries". I understood that it is to scale images, that is what a developer just do not want, unless the developer has wrong sizes, but still proportioned among themselves, that cannot be the case I think.
However I do not need any scaling, the images are right as they are. I created them on purpose.
The developer guide is not enough clear to me.
So I am asking
is it right to tweak the wrong size to match the right ones, and what about the percentage?
This specific UI is a bit out of date by now and wasn't used much even when it was added. Most users opted to do desktop scaling for multi images.
The scale option is designed to scale down from a high resolution image on the desktop. You don't want/need that.
You don't need to edit the file. Just make sure to turn on the XML team mode and make sure your images use the right file names. Then once you save the images will appear in the resource file.
I suggest adding a multi-image using the standard method of add in the menu. Then replacing all the generated images with your copies and reopening the file, then saving again (the last save is important as it will override the res file).
Im looking for a way of displaying a 3D Rectangle, which could be moved by the values a gyrosensor delivers from my arduino.
I just don't know where to start with the Implementation of the 3D Space, the communication works fine.
I did not find any useful information online, however, I just need a Window (Don't know, is JFrame enough for this) with a model that I can set x/y/z and yaw/pitch/roll etc.
Are there libraries or code-examples?
I did see one integration with JavaFX which I have never used yet, or the implementations were in other languages.
Unity worked out for this, even though i was getting buggy behaviour.
Therefore i tried out Processing, which turned out to work fine. There are some snippets online where you can pass in the values of your arduino and it just works out.
I cannot provide more details since the project was abandoned.
I have a data flow diagram (a diagram that looks like a flow chart). It has a set of specific geometrical components like rectangles, circles, ellipses and arrows.
What I'm trying to achieve is to detect these shapes and be able to know which component is connected to which component (through the lines) and finally read the text inside each one to extract data from the diagram and do further processing. It is also notable to mention that the diagram will not be drawn by hand but computer generated so we don't have to worry about angles and ratios being inaccurate.
I'm currently working in Java and I was wondering if this is going to be possible since Java is not the best language when it comes to image processing (correct me if I'm wrong). And if it's possible I'd you guys to point out where I should start looking.
I think Java is fine, and it has many libraries to process images. ImageJ is just one example. Personally, I like to use Python, so I write scripts in this language using Java API of the DMelt platform. Look at the documentation of this projecst, wiki. Here is a link to a few examples.
Doing this in Java wasn't a great idea because mainly the lack of online resources. After a good amount of research, I found that the best and the easiest approach was the use of C# and Emgu CV which is a cross platform .Net wrapper to the OpenCV image processing library.
This example helped me to get started with detecting basic geometrical shapes like Lines, Rectangles and Triangles.
Currently, I am working on a OpenGL project and here is the screenshoot what I did
The question is, I want to add texts(degrees) to compass and want to do that with pure OpenGl methods. I found TextRenderer class however, couldn't manage to download it and use it. How to use TextRenderer class in my Java project? If there is any other way of adding text besides TextRenderer, would love to hear it.
My second and most important question is about merging swing/awt methods with OpenGL and using multiple objects. I wrote the program with only using one GL2 object and worked perfectly, is it sensible to use multiple openGL objects on the same frame? Furthermore, using swing methods and openGL methods together is a good idea?
I want to add texts(degrees) to compass and want to do that with pure OpenGl methods.
Unless you can live with not very pleasantly looking center stroke fonts, you have no choice but to use help from some other library or API.
Theoretically OpenGL can collaborate with OpenVG, but so far overall support for OpenVG is very poor, and OpenGL interoperability even worse. But say you had a proper working OpenVG – OpenGL interoperability working, then OpenVG was the way to go.
Practically you have to something different. A very fruitful approach is to use a font renderer library (like FreeType) together with some layout engine (like Pango) to produce an outline stroke list of the text to be rendered, which in turn can be either rendered directly using some extension by NVidia (http://www.opengl.org/registry/specs/NV/path_rendering.txt available only on the most recent NVidia GPUs) or manually tesselated into triangles, either on the CPU or by a combination of GPU Geometry and Tesselation Shaders. A huge drawback of drawing glyphs as tesselated filled outlines with OpenGL primitives is, that they will look very dirty (due to aliasing) if the used framebuffer doesn't have a multisample format (full screen antialiasing)
The next best thing is rendering the text to an image and copying that to the GPU and overlay that over the scene by rendering a textured quad. You should apply all text transformations already when rendering the quad, so that the font hinting system can make the proper adjustments on the transformed glyphs before rasterizing them.
Another approach is using texture mapped fonts. I implemented two TMF engines myself so far, but personally I advise against using this approach these days, as TMFs are resource hogs. A 200kiB TTF font can blow up to several megabytes of texture data. Maybe one day I or somebody else implements a TrueType or OpenType rendering engine with OpenCL, CUDA or Compute Shader, but until then rendering text with OpenGL is dirty business.
It boils down to
Crisp Look
Memory Efficient
Computationally Efficient
→ choose 2
After doing little research, I ve figured out how to install it and use it correctly.
Firstly, go to that web site and download suitable version of jogl for your os in case you dont have any library:
http://jogamp.org/deployment/autobuilds/master/jogl-b1011-2013-06-19_05-41-38/
Then, download that jar file and add it to your user library.
http://www.java2s.com/Code/Jar/j/Downloadjogl20jar.htm
That file contains the TextRenderer class.
If you dont know how to make one, use that link:
http://riccardotramma.com/2011/04/setup-eclipse-to-develop-opengl-glut-apps-in-java-cc-on-windows-mac/
Then, follow the instructions: http://download.java.net/media/jogl/jogl-2.x-docs/com/sun/opengl/util/awt/TextRenderer.html
It's very easy to use, I perfectly added numbers to my compass. However, not efficient as far as I can tell.
So, I realize this might not be the right site, but I didn't think it would be respectful to ask it on the WorldWind forums. If it should be somewhere else, please let me know.
Anyways...
I have this Java application that currently uses WorldWind to display a globe and place bitmaps corresponding to an item's location. WorldWind was initially picked for the project as an alternative to Google's product and because it had the "3D" effect. However, requirements change, and the 3D Globe is no longer necessary. (Also, WorldWind was a little heavy for the project - we found out that we would really like just a 2 color version if possible.)
My question to you all is:
What would you suggest as an alternative to WorldWind? I'm looking for just a "flat" map (or even just an image of the world...) that is zoomable, and is possible to layer objects on top of it (and those objects can move over time).
I have not really done much with map/image programming so please take that into consideration when replying :)
Have you checked out GeoTools? I believe it should be more than capable for what you are trying to do, though like WorldWind, the actual content is what contributes to things like color and such. Check out the quickstart which even includes some sample shapefile content, and has an example of an application which displays the shapefile content in a map frame. You may have to get your hands a bit dirty to play with geo-referenced bitmaps, though...
EDIT: I also found this on the Google: JXMapViewer
(just for the record, WorldWind has a "FlatMap" option)