Questions tagged [rectangles]

A rectangle is a geometric shape: any quadrilateral with four right angles

1373 questions
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Half Rounded rectangle in C# Path

I've got question, I have rounded rectangle. It's only rounded on right side, and straight on left. I want to make that in other way - left rounded, right straight. What should I change? int ArcWidth = 10 * 2; int ArcHeight = 10 * 2; int ArcX1 =…
boski
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Calculating area of intersection of rectangles in java

I have a problem with one algorithm. I suppose to calculate the area of intersection of 2 rectangles(both are paraller to the OX and OY). The rectangle(let's call it A) is described by (x1,y1,x2,y2) upper left corner(x1,y1) and lower right corner…
Yoda
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I am trying to understand the different syntax of creating rectangles

I understand this code here. The point of origin is 0,0 or top left of the JFrame and the width of the rectangle is 9 and height covers from bottom to top. Rectangle left = new Rectangle(0,0,WIDTH/9,HEIGHT); But I don't quite understand this. What…
Martin Marino
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What are the int and multiplication signs doing here?

Can anyone explain what the purpose of the ints are in Rectangle center and Rectangle obstacle? I already understand that an int is a positive or negative whole number. Also why don't I need any ints in Rectangle left and Rectangle right if they are…
Martin Marino
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Draw large numbers of rectangles on map (Gmaps API/leaflet.js)

I am trying to draw colored cells on a JS map API, at very large scale ~(70k rectangles). NOTE: There is no reasonably short amount of example code i can show you for this isnt a "coding issue" so much as it is a request for direction in library…
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Java: Drawing two rectangles breaks

I filled two rectangles in this way: graphics.setColor(Color.RED); graphics.translate(0, 150); graphics.fillRect(0,0,65,65); // First rect graphics.dispose(); // If remove this line, nothing will change graphics.translate(0,…
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A selection-rectangle (drawn by mouse on canvas) does not recognize rectangles, which are inside that selection-rectangle (C# WPF)

I am now really desperate. I just can't get any further and in principle it shouldn't be that difficult. I tried solving it the last 2 weeks. The following task/problem: I have a canvas in my C# WPF project called “MarkPointsMap”, on which there are…
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Defining 4 co-ordinates from 2 in a rectangular shape (python)

so I currently have 2 points in the format [(x0, x1, y0, y1)] which I know are a rectangular shape but I am looking to have this list updated so that it is all 4 points of the rectangle. Note: the rectangle can only be drawn vertically or…
Jack Timber
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Why won't Pythagorean theorem work for me?

How do i check if the follow is a right angled triangle? I have: A = 5 B = 1 C = ? How do i know if this IS or ISNT a right angle? please help!
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How to draw a rounded rectangle with width less than height? C#

I have been looking for quite a while for an already pre-made function for creating a rounded rectangle that doesn't cause tearing/glitching like the one below. Credits to @György Kőszeg. This function works fine if the rectangle is big enough. When…
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How to get each value of x,y,w,h in this crop image?

i want to ask something. In opencv there is cv2.rectangle to build a rectangle of object interest. After I got the object interest which is represent with rectangle, I want to get the region of interest box. To do that I used crop = frame[y:y+h,…
Ines
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Rectangle/Rectangle Collision Detection

I am trying to solve an issue when two rectangles intersect/overlap each other. when this happens, i want to know if intersection is True or False. I found a solution, however it is written in C or C++. I want to write these code in Python. Here is…
skylon
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What algorithm is used in this animation from Yojouhan Shinwa Taikei?

Is there a name for the type of effect where rectangular shapes are increased/decreased in size relational to each other? I'm looking for a general algorithm, formula, diagram, etc so I can re-create it in d3.js. Here it is (originally made in After…
Sosa
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Find whether two rectangles overlap

I am trying to find whether two rectangles overlap each other or not. I have the following rectangles represented as [x1,x2] x [y1,y2] Rect 1 = [0.0, 1.0] x [0.0, 1.0] Rect 2 = [0.7, 1.2] x [0.9, 1.5] I just need a pseudo code that I can implement…
shahmeer arhsad
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Not setting variable to rectangle in canvas

I am trying to get the rectangle to move when you click a button by adding 1 to the x/y pos of the rectangle but the speed variable keeps saying undefined. // . . . // function component(width, height, color, x, y) { this.width =…
Tjtorin
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