pixel Questions

6

Solved

I am trying to build a pixel that would track the current URL the user is on when they visit. I can use either JS (preferred) or a 1x1 image pixel. With JS I am assuming that I'd need to run an AJA...
Sifuentes asked 26/10, 2012 at 1:37

3

I try pixel fonts from http://www.fontsquirrel.com/fonts/list/style/Pixel but It's not perfect in the browser and disable anti-aliasing is not an official CSS property (or don't find good sample). ...
Cowell asked 5/9, 2012 at 9:55

5

Solved

For some reason, I can't get these tilemaps to come out like they were created in Unity... The pixel art is imported to Unity from Tiled. The pixel art in Tiled: The same pixel art imported to U...
Dropforge asked 10/4, 2017 at 8:12

5

Solved

Is it possible to get the RGB color of a pixel using PIL? I'm using this code: im = Image.open("image.gif") pix = im.load() print(pix[1,1]) However, it only outputs a number (e.g. 0 or 1) and no...
Outlay asked 16/6, 2012 at 15:32

9

Solved

Is there a reliable equation to work out pixel size to MM? Or is that not possible cross device? We are working with a bespoke system that delivers content to many devices with different screen si...
Poly asked 4/10, 2011 at 15:36

2

Solved

I have numpy array and I want to use power series like taylor series of e^x, and I am wondering how to implement this in python. For the simplicity purpose, I think I can use maclaurin series at x0...
Hallowmas asked 9/7, 2020 at 13:58

3

Solved

Okay, first off, yes I have read many many articles (Should I use px or rem value units in my CSS?) and forums about this. I know that 1px is not a physical pixel but rather a CSS pixel, and rem i...
Thrasher asked 21/5, 2015 at 13:14

12

Solved

I have a need to convert Pixels to Points in C#. I've seen some complicated explanations about the topic, but can't seem to locate a simple formula. Let's assume a standard 96dpi, how do I calulate...
Squalor asked 26/9, 2008 at 13:57

9

Solved

How can I get the RGB value of a particular pixel in a UIImage?
Cupid asked 19/7, 2010 at 19:10

2

I am trying to render two svg lines using path element. The first line has 1px width and it is sharp The second line has 2px width and it is blurred The stroke-width is the same for both. How to ...
Farmann asked 24/10, 2013 at 6:23

3

Solved

I'm trying to do some image processing in Android. I need to get a chunk of pixel information of a bitmap. So I tried to use one of the Bitmap class method getPixels(). However, it seems like I'm n...
Condign asked 18/11, 2012 at 20:22

2

Solved

I have a window that designed at WPF and I used that on center of a WinForms owner. Now, I want to move the owner form and at the moment my WPF window has also to be moved in the center of the form...
Revolting asked 24/5, 2015 at 15:7

5

Can anyone help me to find out the top 1% (or say top 100 pixels)brightest pixels with their locations of a gray image in opencv. because cvMinMaxLoc() gives only brightest pixel location. Any he...
Noto asked 6/9, 2010 at 3:51

3

Solved

So basically, I need a method in which I can pass values of red, green and blue and the method should return whether that combination of RGB values result in a visibly Red-ish color Green-ish color...
Bittencourt asked 22/1, 2020 at 9:36

1

Solved

I am working on a script with OpenCV (Python) to split up an image into different sections in order to run OCR on each section on it later. I've got the script splitting up the source image into al...
Truehearted asked 15/1, 2020 at 20:12

7

Solved

I need to access each pixel of a Bitmap, work with them, then save them to a Bitmap. Using Bitmap.GetPixel() and Bitmap.SetPixel(), my program runs slowly. How can I quickly convert Bitmap to byt...
Hendrick asked 13/10, 2009 at 21:36

6

Solved

I want to build an app that lets the user select an image and it outputs the "average color". For example, this image: The average color would be a greenish/yellowish color. At the moment, I g...
Chambermaid asked 23/4, 2016 at 0:50

1

React Native components are unitless, and represent density-independent pixels according this page. However, when I create an image, what should be its ideal resolution, in pixels? Let's say I hav...
Charmeuse asked 22/7, 2017 at 10:1

4

Solved

Need to change the white pixels to black and black pixels to white of the picture given below import cv2 img=cv2.imread("cvlogo.png") A basic opencv logo with white background and resized the...
Nevers asked 10/8, 2017 at 12:18

2

I would like to use Smalltalk (Pharo) to better refactor my image processing and computer vision code/algorithms, written in other languages. I have not found a lot of examples online where Smallta...
Sheerlegs asked 23/4, 2016 at 0:6

5

Solved

I am trying to develop a small application. In it, I need to detect the color of a pixel within an UIView. I have a CGPoint defining the pixel I need. The colors of the UIView are changed using Cor...
Ohm asked 21/7, 2009 at 16:18

2

So there is are a lot of examples on how to write an entire pixel from a Uint32Array view of the ImageData object. But is it possible to read an entire pixel without incrementing the counter 4 time...
Incised asked 21/5, 2013 at 20:43

4

Solved

I am not asking what is the difference between dp,sp and px. I am designing a website based on google's new material design, all the measurements are in dp (for grid) and sp(for text). My questio...
Acclimatize asked 1/7, 2014 at 4:16

4

Solved

val margin = 8 ConstraintSet().apply { connect(anId, ConstraintSet.START, anotherId, ConstraintSet.START, margin) } Is margin applied as pixels or density-dependent pixels? Various articles sca...
Phlogopite asked 22/5, 2019 at 21:16

2

Solved

I am trying to convert positions in a raster representing a .tif to the corresponding global coordinates. Converting the whole array to a tif and load it to QGIS everything is referenced fine, but ...
Anesthetic asked 21/9, 2018 at 12:34

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