ofxOpenCv Thresholding Manually
@Serbin wrote: Hi, I’m currently trying to manually threshold an image so that I can threshold a HSV image based on color of objects. To begin I’ve got a simple threshold like so: for (int i=0;...
View ArticleGive function a color/size depending on the value
@afp wrote: Hey! I’m trying to draw circles with certain colors and sizes depending on the value of my functions. My functions come from a json file in my bin/data folder, which is working well (I am...
View ArticleCompilation error with Boost
@INT-K wrote: I’m trying to add some libraries from Boost (1.66) to oF. So far, in config.make I’ve only added: PROJECT_LDFLAGS=-Wl,-rpath=./libs -L/usr/local/lib/ -lboost_system and then included the...
View ArticleHelp with 'width' is a protected member of 'ofImage_'
@Erevan_Airola wrote: Hello !! Im learning with the Mastering Openframeworks BOOK. doing the excersice number 5 "video Synthesizer " and i got this error ‘width’ is a protected member of ‘ofImage_’ in...
View ArticleTrying to use ofxVideoRecorder: No video, just audio
@lethalrush wrote: No video is recorded when I use ofxVideoRecorder, just Audio. The VideoGrabber’s dimensions are always (0,0), no matter what I set them to (ex: 640,480). Stepping through the code,...
View ArticleMy sketch going slower with OF_FULLSCREEN than OF_WINDOW
@jcalderon wrote: I’m developing an sketch that create circles like waves when users press a key, it works fine with OF_WINDOW, but when I set OF_FULLSCREEN on main.cpp and I press many times the key,...
View ArticleSignal linux ofSignalHandler
@kashim wrote: Hi guys, I’d like to add a check on some closing signals for my program, I did a grep in libs/openFrameworks/app/ and i found ofSignalHandler which is called in ofInit() with:...
View ArticleArduino Heart Rate Sensor Outputting
@HarryLee186 wrote: Hi, Not sure what I’m doing wrong but I’ve got the below code yet it just outputs “Heart Rate: 10” and outputs 10 in the console, too. I’m using a heart rate sensor from...
View ArticleAlternative to Community Core Vision (CCV)
@omarojo wrote: Hi there everyone, Is there a modern alternative to Community core Vision for blob tracking and calibration.?? I dont know what happened in the last couple years, that this...
View ArticleFor statement - string
@afp wrote: I have a variable that is a string called tone_id, and I am trying to make a for statement when a value of ‘joy’ then draw this circle (the values come from a json file). Can anybody tell...
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OF0.9.8 macOS Poco/AtomicCounter.h missing files
@omarojo wrote: I downloaded the OSX version from the website. of_v0.9.8_osx_release.zip I followed the Xcode setup instructions from the website too. But I cant run the examples....
View ArticleErasing an Image
@pranavb104 wrote: Hey , I have an image (.png) whose pixels I want to erase. And when it is erased (or when all the pixels are gone) , I want an interaction to happen (like a video, image appearing)....
View ArticleEmscripten on Windows
@Jupiter_Moll wrote: Hallo, i install emscripten (exe) for windows and want to convert oF Projects based on this tutorial. But it says that there are no make files. Where I can find the make files of...
View ArticleAbout API address in one project
@JingSHE wrote: Hi masters! I want to ask, could I use two or three api address in one programme? I am working on Pinterest api, I want to add account api and pins api in my project, how to make it...
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Draw within a cricle
@Jelle_Hoogenberg wrote: Hi, I was wondering is there any way to draw within an circle? I want to draw multiple shapes at random positions within the green area. Is there any good way to do this?...
View Articlecam.enableOrtho() -- when to call this fn
@bob97086 wrote: The plan: create an initial mesh surface in setup() then apply user-induced modifications in the update()/draw() loop. I want to use orthographic projection and enable user...
View ArticleIfstream Caption draw text over ofVideoplayer
@Bulgama wrote: Hello , How would I go about stream from file and overlay text to draw over a movie playing in the background-- like a custom version of close captioning… I am already thinking i can...
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ofxVideoRecorder horizontal lines
@edapx wrote: Hello, I’m currently trying to use ofxVideoRecorder to record the video of an OF application. The only thing that I get on the screen until now are a bunch of horizontal lines moving...
View ArticleEXC_BAD_ACCESS in ofTessellation
@I_am_Alex wrote: Ported a processing sketch to oF (sooo easy), really happy with the results and performance. Love it! I do however run into this problem where my sketch crashes at...
View ArticleHow to rotate ofQuaternion by 180 degrees around Z axis?
@cuinjune wrote: Hi, I’m trying to find a way to flip the orientation of the lighting as if the window is displayed upside down. I simply tried to multiply ofQuaternion(180, ofVec3f(0,0,1)) to the...
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