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Pass 'this' pointer from parent to child object: scheduler/ofTimer system
After re-reading your ofThread chapter in the ofBook, it dawned on me that we have 16000 microseconds to play with in-between frames. That is plenty of time to execute a full timer update, even as...
View ArticleEmpty project compile Error
Hi I tried to compile an empty project,got error Error 47 error MSB8020: The build tools for v140 (Platform Toolset = 'v140') cannot be found. To build using the v140 build tools, please install v140...
View ArticleofxCv background substraction and HoughLines …
Hey folks, I’m searching for horizontal and vertical HoughLines in my camera images/frames. Could you please point me to an example or how to, how those HoughLines are only drawn after background...
View ArticleError compiling ofxCV
Hello! I am on Ubuntu and have been trying to compile ofxCv, but it isn't working. Could you help please!
View ArticleHow to get the current frame (pixel buffer) to record a video
Hi, I would like to use ofxVideoRecorder to record a video of my oF applications. Right now I use the particles example to get started. In the example that comes with ofxVideoRecorder ofVideoGrabber...
View ArticleHow to get the current frame (pixel buffer) to record a video
Hi! If you use an FBO you can just draw whatever you want into it and then grab the pixels using: http://openframeworks.cc/documentation/gl/ofFbo.html#!show_readToPixels
View ArticleHow to get the current frame (pixel buffer) to record a video
Thank you hahakid! I solved it like so: ofImage img; img.grabScreen(0, 0, ofGetWidth(), ofGetHeight()); vidRecorder.addFrame(img.getPixels()); Now I have problems recording the audio. My code looks...
View ArticleofxSVG Get path's id?
Hi there oF community! I need to read the id of each path in a SVG file I'm loading with ofxSVG. I haven't found anything related to IDs neither in the forum nor in ofxSVG source, am I missing...
View ArticleEmscripten - how to see JS console exceptions?
Emscripten people helped me out here. It seems that the flag needs to be set at the final step of compilation, when the .html file is generated. The PROJECT_CFLAGS are only using the flag when .cpp...
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Using ofNode to build an L-System
@arturo Do you mean something like this? for (int i = 0; i < _instruction.length(); i++) { char c = _instruction[i]; if (c == 'F') { branching = true; }else if (c == '+') { auto jointBranch =...
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Perlin Noise examples ( + GPU particles and misc)
Hello, I am trying to run the solution files provided for the particleCloudGPU example. I am using Visual Studio 2015 and the latest version of OF. But I am getting several errors regarding the POCO...
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Transparency FBO with Bloom/Glow
Hey guys, I am trying to perform a bloom effect, but when I draw my FBO with blur shader result it looks wrong, see attached Screen Shot 2016-01-16 at 20.58.18.png832x614 312 KB Source code :...
View ArticleAdjusting system volume using OF
hey, ... and how can I 'insert' a variable into this appleScript?I mean, on this case, what if I want to convert an int to string to use just a line for every volume changing values?I tried something...
View ArticleOFW + Applescript?
hey, ... and how can I 'insert' a variable into an appleScript?I mean, what if I want to convert an int to string to use it inside the script or just like a line for every volume changing values?...
View ArticleAdjusting system volume using OF
Hi moebiussurfing, I've used something like this: string cmd = "osascript -e \"set Volume "+ofToString(new_volume)+"\""; system(cmd.c_str()); cout << cmd.c_str() << "\n"; hope this helps!
View ArticleEmscripten - how to see JS console exceptions?
you should be able to add them in PROJECT_LDFLAGS
View ArticleIssues with pixel ratios in ofVideoPlayer
Hello, I'm trying to make a simple video player in OF but I'm having trouble with videos recorded in HDV. These videos appear the correct size however the image within the frame appears to be squashed...
View ArticleofxSIMDFloats - addon for SIMD accelerated array operations
Hi people, i've just released thishttps://github.com/npisanti/ofxSIMDFloats it's an addon for allocating memory-aligned arrays of floats and make operation on them using the SIMD instructions present...
View ArticleExamples show black screen
I'm having the same problem. I get a black window and nothing happens when creating an openframeworks application. Im using openframeworks version 0.9.0 on a Lenovo laptop running Linux Mint 17.2. The...
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