How to get all rgb pixel values of an image in 3 dimensional array in C# ? Code sample appreciated.

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kindly tell me its solution. i stuck to it.

Posted 22-May-14 8:33am

mishal khan

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 22-May-14 14:53pm

Did you try something and got stuck?

mishal khan 23-May-14 2:32am

Yes i tried. i am working on visual stdio. i did something like

Bitmap myBitmap = new Bitmap(FILE_NAME);
int n = myBitmap.Height;
int m = myBitmap.Width;
int[, ,] arrayImg = new int[n, m, 3];
for (int x = 0; x < myBitmap.Width; x++)
{
for (int y = 0; y < myBitmap.Height; y++)
{
Color pixelColor = myBitmap.GetPixel(x, y);
r = pixelColor.R;
g = pixelColor.G;
b = pixelColor.B;

arrayImg[x, y, 0] = r;
arrayImg[x, y, 1] = g;
arrayImg[x, y, 2] = b;

}
}

but the problem is, it is giving error on myBitmap and pixelColor. i have made the application in console application and i have also added the reference to system.drawing.dll.

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Rob Philpott · Accepted Answer · 2014-05-22T22:32:00

Solution 1

You need to be more specific. As you had actually tried something, why not paste the code at first. Even now it would help a lot if you told us what the error was and on what line it occurred. Give us some help here!

One thing I can see is your multidimensional array has m and n the wrong way round, which will likely lead to an out of range index. Is that what you're getting?

Posted 22-May-14 22:32pm

Rob Philpott

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mishal khan 23-May-14 5:45am

yeah i should be specified. =) u r right that my array has m and n the wrong way round but i have figured out this problem already. now the issue is when i do it all in windows form on stdio it runs correctly but in case , when i do it all in console application on stdio it gives error on bitmap and pixelcolor though i have added system.drawing.dll already. whats the way to use this bitmap class in console app on stdio ?