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c++ Programming Glossary: rectangleAlgorithm improvement for Coca-Cola can shape recognition http://stackoverflow.com/questions/10168686/algorithm-improvement-for-coca-cola-can-shape-recognition see a sample below with the can recognized in the green rectangle with scale and rotation. Some contraints on the project The.. derive the scale and rotation and then plot your little rectangle around it final scale and rotation factor will obviously be..
C++ static constant string (class member) http://stackoverflow.com/questions/1563897/c-static-constant-string-class-member of the sort. class A private static const string RECTANGLE rectangle Unfortunately I get all sorts of error from the C g compiler.. one of the implementation files const string A RECTANGLE rectangle The syntax you were originally trying to use initializer inside..
Inheritance or composition: Rely on “is-a” and “has-a”? http://stackoverflow.com/questions/453738/inheritance-or-composition-rely-on-is-a-and-has-a cited example is the relationship between a square and a rectangle. A square is a rectangle but it will be bad to design code that.. between a square and a rectangle. A square is a rectangle but it will be bad to design code that inherits a Square class.. of the sub class must be preserved. In the square rectangle example we must ask whether a client of rectangle can operate..
http://stackoverflow.com/questions/4705593/int-vs-const-int glance pretty safe P2d is a bidimensional point Rect is a rectangle and adding subtracting a point means translating the rectangle... and adding subtracting a point means translating the rectangle. If however to translate the rectangle back in the origin you.. translating the rectangle. If however to translate the rectangle back in the origin you write myrect myrect.tl the code will..
Executing cv::warpPerspective for a fake deskewing on a set of cv::Point http://stackoverflow.com/questions/7838487/executing-cvwarpperspective-for-a-fake-deskewing-on-a-set-of-cvpoint effect I'm using the image below for tests and the green rectangle display the area of interest. I was wondering if it's possible.. will change a little bit to fit into the rotated rectangle and that's not very cool . #include cv.h #include highgui.h.. 0 255 0 3 CV_AA imwrite draw.jpg draw Assemble a rotated rectangle out of that info RotatedRect box minAreaRect cv Mat not_a_rect_shape..
OpenCV C++/Obj-C: Detecting a sheet of paper / Square Detection http://stackoverflow.com/questions/8667818/opencv-c-obj-c-detecting-a-sheet-of-paper-square-detection rect cv Rect rect boundingRect cv Mat squares i cv rectangle image rect.tl rect.br cv Scalar 0 255 0 2 8 0 draw rotated rect..
How does the C++ compiler know which implementation of a virtual function to call? http://stackoverflow.com/questions/203126/how-does-the-c-compiler-know-which-implementation-of-a-virtual-function-to-cal int a int b width a height b virtual int area void 0 class Rectangle public Polygon public int area void return width height class.. public int area void return width height 2 int main Rectangle rect Triangle trgl Polygon ppoly1 rect Polygon ppoly2 trgl ppoly1.. My question is how does the compiler know that ppoly1 is a Rectangle and that ppoly2 is a Triangle so that it can call the correct..
http://stackoverflow.com/questions/28080/how-bad-is-dynamic-casting handy. There is a base Shape class and classes Circle and Rectangle derived from it. In testing for equality it is obvious that.. equality it is obvious that a Circle cannot be equal to a Rectangle and it would be a disaster to try to compare them. While iterating..
Determine if two rectangles overlap each other? http://stackoverflow.com/questions/306316/determine-if-two-rectangles-overlap-each-other does the following Gets all the vertices for Rectangle 1 and stores them in an array arrRect1 point 1 x arrRect1 0.. 1 y arrRect1 1 and so on... Gets all the vertices for Rectangle 2 and stores them in an array arrRect2 rotated edge of point..
Inheritance or composition: Rely on “is-a” and “has-a”? http://stackoverflow.com/questions/453738/inheritance-or-composition-rely-on-is-a-and-has-a be bad to design code that inherits a Square class off a Rectangle class. My suggestion is to enhance your is a has a heuristic.. width of a rectangle leaves the height unchanged. void g Rectangle r r.SetWidth 5 r.SetHeight 4 assert r.GetWidth r.GetHeight 20..
Can a pointer to base point to an array of derived objects? http://stackoverflow.com/questions/7196172/can-a-pointer-to-base-point-to-an-array-of-derived-objects Shape public virtual void draw const int radius class Rectangle public Shape public virtual void draw const int height int width.. draw const int height int width int main Shape shapes new Rectangle 10 for int i 0 i 10 i shapes i .draw c pointers share improve.. You cannot index like that. You have allocated an array of Rectangles and stored a pointer to the first in shapes . When you do shapes..
samsung bada development without using pointers http://stackoverflow.com/questions/7481968/samsung-bada-development-without-using-pointers Create a Label Label pLabel new Label pLabel Construct Rectangle 50 200 150 40 L Text pLabel SetBackgroundColor Color COLOR_BLUE.. on the form. Create a Label Label pLabel pLabel.Construct Rectangle 50 200 150 40 L Text pLabel.SetBackgroundColor Color COLOR_BLUE.. Color COLOR_BLUE AddControl pLabel Note Rectangle class which is used creates an object on the fly without pointer...
http://stackoverflow.com/questions/8834147/c-signal-to-qml-slot-in-qt QString the relavant part of my qml File Rectangle objectName contentView function updateViewWithItem string console.log.. Items' slot Error Object connect No such slot QDeclarativeRectangle_QML_2 updateViewWithItem QString c qt qml signals slots share..
http://stackoverflow.com/questions/885819/fun-c-library-that-interprets-ascii-figures-in-code-what-is-it-called-m using in code ASCII art Line x x is 5 Line y y is 3 Rectangle r r is 3 by 1 and IIRC it even had support for 3D figures..
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