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Shaders to remap colours in texture?

@anselan wrote: I have been using openFrameworks for quite a few years, but GLSL programming is a little new to me. I’m trying to implement an approach similar to...

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ofTheadChannel callback

@pandereto wrote: Hello Im trying to implement a thread uploader to amazon S3 server. Im able to upload and without threads i can get a fire an event on success or on failure, the problem is that the...

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How to send/receive images between OF and python

@stephanschulz wrote: Hi Forum. My OF app connects to a USB cam, finds faces, extracts them and in the end has to show all processed results. But I want to use python to do extra analysis and...

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Saving values using ofXml

@aliva666 wrote: Hi! i’m using ofXml example, trying to set a value but is not saving any value is this the right way to do it? bg = drawing.findFirst("background[red and green and blue]"); if(!bg){...

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FaceTracker2 on Ubuntu

@edapx wrote: Hello, I’m trying to have the FaceTracker2 working on ubuntu. As the problem that I’m having it is something related to a missing library (that comes with the addon), I’m reporting it...

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Drawing a 3D line

@Samset wrote: Hi, Is it possible to draw a simple 3D line? For example: line (x, y, z, x1, y1, z1); as in processing? Thank you Posts: 1 Participants: 1 Read full topic

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Zeno and Interpolation

@sevdavis wrote: Ok, so I’m trying to create a object that moves to the mouses position via interpolation or Zeno, in addition to that, the object which is a square in this case should spin in place....

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ofParameter instead of ofxIntSlider etc

@lethalrush wrote: Why is ofParameter encouraged to be used over ofxIntSlider / ofxToggle / etc and others? Posts: 1 Participants: 1 Read full topic

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Convert from RGB to BGR w/o OpenCV for ofVideoGrabber frame

@rudycazabon wrote: Greetings everyone - I need to use ofVideoGrabber as opposed to OpenCV to VideoCapture. In previous code I wrote I used Mat::data to pull the actual pixel of the frame as a uchar*...

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Ableton Live 9 Lite and openFrameworks

@edapx wrote: Hello, I want to send OSC messages to Ableton from my OF app, in order to trig sounds in ableton. I have looked into this addon https://github.com/genekogan/ofxAbletonLive but the...

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MPEG Transport Stream using GstUtils

@drPickles wrote: I’m trying to get pixels from a DVB-T receiver, tuned using tzap. Is there a way to get pixels into openFrameworks from an MPEG transport stream filesrc? I’ve tried multiple...

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SaveImage() or ofSaveScreen() part of window

@jmhan wrote: Hi all, I’m working on a project where I save out a image every 100 frame (of what’s currently drawn on the screen). This works fine with the ofSaveScreen() function but it saves out the...

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Qt openframework BadMatch invalid parameter attributes

@Jhovarie_Guiang wrote: I install qtcreator in my azure server with ubuntu operating system. the problem’ if I run my code there is error message. current_error.png913x546 70.5 KB Error message is X...

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Audio examples ftt windowing function?

@Julian1 wrote: my question is basically if its possible to use a windowing function for the basic fft used in the openframeworks audio examples? i was hoping somebody could guide me in the right...

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Simple sceneManager, problem with c++ polymorphism?

@sorrentix wrote: Hello everyone, I’m try to develop a very simple sceneManager. I know there are many options on the web, I’m simply doing it to better grasp some c++ concepts. I’m facing a problem...

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ofParameterGroup does not accept ofParameter< ofVec2f > but ofParameter<...

@pierre_tardif00 wrote: Hi, I noticed that when trying to add an ofParameter < ofVec2f > to ofParameterGroup, i got this error: [warning] ofxBaseGroup; no control for parameter of type...

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Sending just one midi message with ofxMidi

@lcpcarter wrote: Hi, I am trying to create a generative audio piece where when objects collide, midi information if sent from OF to Ableton Live. I have everything connected and making sound but...

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Mpeg2 ts stream gstUtils

@drPickles wrote: Hello! Does anyone know if it is possible to get pixels from an mpeg2ts stream to use within OF? This is now week #6 of my excruciating attempt to get pixels from my dvb-t receiver...

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Noobie Go Pro Camera unwanted noise

@GiorgioEdmundoJonaso wrote: Hello dear List, noobie and first time poster, I’m having trouble with some unwanted jitter and a lot of noise, I’m using a Go Pro Hero 6 Camera through an AGPTek USB 3.0...

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Help with mesh color vs. material vs. light color

@bob97086 wrote: I have a mesh with vertices representing a nearly flat heightfield. For test purposes the field has one significant lump. The mesh was built with an intrinsic color defined. For...

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