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WAV file header
@synchromaStudio wrote: I’ve just started using openframeworks and I’m trying to interpret a .wav file header byte-by-byte. I’m getting some really wierd output for my little-endian conversions! The...
View ArticleofxCv - ofxCv::ObjectFinder and scaled images problem
@steeley wrote: I’m using a downscaled image from my live cam with ofxCv::ObjectFinder (as a face tracker). this works well to get good performance. However, the Object finder will draw the region of...
View ArticleMacbook camera sometimes not available in OF - bug?
@steeley wrote: OSX 10.12.6 OF 0.9.8 Macbook camera quite often is not available to ofVideoGrabber. To reset you have to go into terminal and type: sudo killall VDCAssistant Then open quicktime player...
View ArticlePositioning effectively with ofNode and ofMesh
@aceslowman wrote: I’m currently working on a procedural terrain toolkit, and running into some quirky problems with local/global positioning. I’m curious if/how ofNode could be useful in this...
View ArticleInstantiation of function 'x' required here, here but no definition is available
@hamoid wrote: Hi! Why are these warnings shown by qtcreator in the editor, but it still compiles fine? How should the code be changed so the warnings are gone? gui.setup();...
View ArticleUnique Blob Identifiers using Kinect
@Nedelstein wrote: Hi All, I am using a kinect (model 1414) for a project and have a question regarding blob detection. I understand how to detect blobs through ofxContourFinder but am wondering how...
View ArticleofPrimitive and getMesh not drawing
@edapx wrote: I am creating a class that inherits from of of3dPrimitive. it is like this: Stairs.h class Stairs : public of3dPrimitive{ public: Stairs(); void drawDebug(); private: void load();...
View ArticleHaarcascade files -can you use alternatives?
@steeley wrote: Is it possible to use other opencv haarcascade files with OF (ofxCv ofxOpenCv)? I tried a few with the ofxCv facetracker example but they do nothing. haarcascade_frontalface_default...
View ArticlegetPointAtIndexInterpolated float value
@matttang7 wrote: I am using getPointAtIndexInterpolated to draw a circle moving in a path. I created the polyline like this ofPolyline poly; ofPoint p1(400, 400); ofPoint p2(500, 300); ofPoint...
View ArticleMoving a-rectangle and changing direction
@BeginnerOF wrote: Hi, I am a complete beginner so bare with me! I have created a rectangle using ofRectangle and I would like to the rectangle to constantly be moving around the screen and change...
View ArticleDrawing inside a for loop - How?
@steeley wrote: need to draw some stuff inside a loop but it doesn’t work (doesn’t draw anything at all) for(int i; i< 50; i++) { verdana14.drawString(data[i], 10,i*15); } where data is a string...
View ArticleControlling a movie via OSC
@Feenai wrote: Hi forum, this is my first post and my first project in of and c++, so please be gentle. I’m using the of download on Linux and edit the code in Visual Studio Code. I took the...
View ArticleUsing a grid and placing objects
@BeginnerOF wrote: I am trying to place objects randomly within the boxes with a grid. I am using this method to draw the grid: ofDrawGrid(…) void ofDrawGrid(float stepSize=1.25f, size_t...
View ArticleHelp! release the memory after using malloc?
@hanscenica wrote: Hello everyone would it be makes sense if I’m not release the memory after using malloc/new) in mouseDragged function? void ofApp::mouseDragged( int x, int y, int button){ myClass*...
View ArticleIs it possible to make a spinner?
@matttang7 wrote: I want to make a spinner that can spun by dragging the mouse in a circular motion and track the revolutions. Is this possible to implement in openframeworks? Posts: 1 Participants: 1...
View ArticleSet ofParameterGroup closed
@edapx wrote: Is it possible to keep an ofParameterGroup closed when the application starts? I did not find any methods in the documentation...
View ArticleInvert image with ofxToggle doesn't work
@FreddyGump wrote: I’m trying to create a GUI that holds some basic image “filters” I load an image from my system and then store it in an vector from the example fileOpenSaveDialogExample. After this...
View ArticleGetting the camera to follow an object
@BeginnerOF wrote: How would I get a camera to follow a moving cube. The cube is controlled by arrow keys? would lookAt(); work, if so what parameters would i put in that method? Posts: 2...
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Kinect Drawing Extra Vertices/Indices
@Nedelstein wrote: Hi All, I am working on an OF kinect project to essentially draw people covered in fur. I’m creating a mesh and getting the normals, and then drawing the vertices and indices to...
View ArticleopenGL vs openframeworks : GPU vs CPU
@bobby wrote: Hi dear colleges, I’ve been diving into computer graphics, openframework and openGL for some weeks now. I now know that graphics ought to be computed as much as possible in the GPU. So,...
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