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• Image annotation with Inkscape, Pointer and explanation for objects in picture

  - by None

  I need straight paths with end markers for associating text to parts of the image. For better readability, it needs to be high-contrast, i.e. a white line with black outline. Stroke to path will create a group of a box and a circle from the line with end marker. This makes placement of the markers more difficult, as with the node tool it is just a matter of dragging the end nodes of a line segment. I will try to place the markers as line for now and only finally converting them to an outline.

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• Comparing 128MB GeForce 8600GT and 512MB Radeon X1650

  - by Synetech inc.

  Hi, I'm trying to determine which is the better of these two video cards: 128MB Nvidia GeForce 8600GT card while the other has a 512MB ATI Radeon X1650 card. Both cards are the upper-level mid-range versions of their respective series. On the one hand, the ATI has substantially more VRAM, but the Nvidia supports D3D 10 and SM4.0 as opposed to D3D 9.0c/SM3.0 that the ATI supports. Also, I have always heard better things about Nvidia cards compared to ATI cards. I'm trying to find some advice on which one is better, but I can't find any actual comparisons or anything for these specific cards (the comparisons I can find are only similar ones like the X1650 Pro or 8600GT PCI-E), so I figure that what I need to know is whether the extra VRAM is that important. Looking at the ATI table and the Nvidia table seems to indicate that the Nvidia is better, but then again, the Nvidia table also says that the GeForce 8600GT is a PCI-E card with at least 256MB even though the card in question is an AGP with 128MB. (:-?) (It looks like the ATI card is not supported in Windows 7 while the Nvidia card is, which I suppose is also a factor, though not quite as immediately relevant as performance.) Any ideas? Thanks a lot.

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• What components should I upgrade to squeeze more life of my pc? [on hold]

  - by Jared

  Hi my current specs are CPU: Intel Core i5 750 2.66 GHz, Socket 1156 Motherboard: Asus P7P55 LX Motherboard, Socket 1156, 4xDIMM DDR3, 2xPCIe-16, 3xPCI, 2xPCIe-1, 14xUSB2, Audio, 1xATA, 6xSATA, RAID, ATX HDD: Seagate Barracuda 7200.11 ST31500341AS Hard Disk Drive, 1500GB, 7200rpm, 32MB Cache, SATA-2 RAM: G.Skill Ripjaw F3-12800CL8D-4GBRM, 2x2GB, DDR3-1600, PC3-12800, CL8, DIMM Video: MSI Radeon 5850 R5850-PM2D1G Video Card, 1024MB, DDR5, PCIe-16, DVI, CrossFire, HDMI PSU: Vantec ION2, 620W ATX PSU, SLI Ready, Black Firstly I know it badly needs an SSD, for which I'm thinking of the Samsung 250gb 840 EVO series. The ram could do with another 4GB, for which I am thinking of replacing the 2x2GB for 2x4GB of the same type. My video card is struggling with the latest releases, so vitally should I ditch the video card and go for something newer (ATI 7850, GTX 660?) or try and get another 5850 for crossfire support? Bearing in mind 5850's are sort of hard to come buy now as they are not stocked in shops usually, which means they have to be bought second hand.

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• Display on secondary video card (Nvidia 8400 GS): horrible refresh, bogs system

  - by minameismud

  This is my work computer, but it's a small shop. We do business software development. The most hardcore thing we create is some web animations with html5 and fancy javascript/css. The base machine is a Dell Precision T3500 - Xeon W3550 (3.07GHz quad), 6GB ram, pair of 500GB harddrives, and Win 7 x64 Enterprise SP1. My primary video card is an ATI FirePro V4800 1GB in a PCIe slot of some speed driving a pair of 23s at 1920x1080 through DisplayPort-HDMI adapters. The secondary card is an NVidia GeForce 8400GS in a PCI slot driving a single 17" at 1280x1024 through DVI. On either of the 23" monitors, windows move smoothly, scroll quickly, and are generally very responsive. On the 17", it's slow, chunky, and when I'm trying to scroll a ton of content, Windows will occasionally suggest I drop to the Windows Basic theme. I've updated drivers for both cards, and I've gotten every Windows update relating to video. Specifically: ATI FirePro Provider: Advanced Micro Devices, Inc Date: 6/22/2014 Version: 13.352.1014.0 NVidia 8400 GS Provider: NVIDIA Date: 7/2/2014 Version: 9.18.13.4052 Unfortunately, new hardware isn't really an option. Is there anything I can do software-wise to speed up the NVidia-driven monitor?

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• constantly crash on video card

  - by Jason Paddle

  I have this problem with my graphic-card(video card). Video card constantly crash because driver stopped. This is the massage that i get: Display driver stopped responding and has recovered. Display driver NVIDIA Windows Kernel Mode Driver , Version 285.62 stopped responding and has successfully recovered. Video card : MSI GTX470 Twin Frozr Motherboard:Asus P8Z68 V-Pro Tried reinstalling drivers but doesn't help. Any ideas what can be ?

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• ATI HD 5970 display

  - by user55406

  Hello everyone i'm a little worry about my graphic card. before I get into that I will tell you my system specs. I have intel dx58so mainboard, 6gb corsair xms ddr3 ram, intel i7 960 cpu, and ati hd 5970. I'm also using a coolmaster haf92 case. My OS is vista X64. Here is my issue when I type in dxdiag in (Start Search) and I look into display. I see in (approx total memory) 716mb graphic memory. The ati hd 5970 is a 2gb graphic card. Am I being stuipd or is there an issue.

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• After installing Windows 7, there're lines on the screen

  - by user22589

  Hi, I've just installed Windows 7 on my Dell machine. Everything works fine except that there are one or two lines on the screen. The line is so random and I am sure that it's now the monitor problem. The graphic card is NVidia GeForce 7600. I replaced the default driver with the driver from the manufacturer and it didn't help. When I change screen setting, the line goes away for a while and it comes back in different location. Sometimes an app window has the line and if I move the window the line follows with the window. What can I do to fix it? Thanks. Sam

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• iPhone SDK: path and Inner Shadow

  - by JustMe

  Take a look of this image: http://imagebin.ca/img/b-W91wDU.png I have some CGPath like the image 1 and I would like to know how I can create an inner shadow effect like the image 2 I'm working with objective-c and Core Graphics iPhone SDK: 3.2

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• Reset custom region in winforms using C#

  - by Suriyan Suresh

  i have removed left portion of a form using graphics path and region command. when i am trying to show group box on removed portion, group box not appeared. how do i show the groupbox on removed region area ?. or how do i reset the region GraphicsPath shape = new GraphicsPath(); shape.AddRectangle(new Rectangle(200, 0, FormWidth, FormHeight)); this.Region = new Region(shape);

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• Java2d: JPanel set background color not working

  - by Algorist

  I am having the below code. public VizCanvas(){ { this.setBackground(Color.black); this.setSize(400,400); } } It worked fine and displays the panel in black background. But when I implement the paint method, which does nothing, the color changes to default color i.e gray. I tried to set graphics.setColor() but it didn't help. Thank you.

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• Why does this thumbnail generation code throw OutOfMemoryException on large files?

  - by tsilb

  This code works great for generating thumbnails, but when given a very large (100MB+) TIFF file, it throws OutOfMemoryExceptions. When I do it manually in Paint.NET on the same machine, it works fine. How can I improve this code to stop throwing on very large files? In this case I'm loading a 721MB TIF on a machine with 8GB RAM. The Task Manager shows 2GB used so something is preventing it from using all that memory. Specifically it throws when I load the Image to calculate the size of the original. What gives? /// <summary>Creates a thumbnail of a given image.</summary> /// <param name="inFile">Fully qualified path to file to create a thumbnail of</param> /// <param name="outFile">Fully qualified path to created thumbnail</param> /// <param name="x">Width of thumbnail</param> /// <returns>flag; result = is success</returns> public static bool CreateThumbnail(string inFile, string outFile, int x) { // Validation - assume 16x16 icon is smallest useful size. Smaller than that is just not going to do us any good anyway. I consider that an "Exceptional" case. if (string.IsNullOrEmpty(inFile)) throw new ArgumentNullException("inFile"); if (string.IsNullOrEmpty(outFile)) throw new ArgumentNullException("outFile"); if (x < 16) throw new ArgumentOutOfRangeException("x"); if (!File.Exists(inFile)) throw new ArgumentOutOfRangeException("inFile", "File does not exist: " + inFile); // Mathematically determine Y dimension int y; using (Image img = Image.FromFile(inFile)) { // OutOfMemoryException double xyRatio = (double)x / (double)img.Width; y = (int)((double)img.Height * xyRatio); } // All this crap could have easily been Image.Save(filename, x, y)... but nooooo.... using (Bitmap bmp = new Bitmap(inFile)) using (Bitmap thumb = new Bitmap((Image)bmp, new Size(x, y))) using (Graphics g = Graphics.FromImage(thumb)) { g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality; g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High; g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighQuality; System.Drawing.Imaging.ImageCodecInfo codec = System.Drawing.Imaging.ImageCodecInfo.GetImageEncoders()[1]; System.Drawing.Imaging.EncoderParameters ep2 = new System.Drawing.Imaging.EncoderParameters(1); ep2.Param[0] = new System.Drawing.Imaging.EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L); g.DrawImage(bmp, new Rectangle(0,0,thumb.Width, thumb.Height)); try { thumb.Save(outFile, codec, ep2); return true; } catch { return false; } } }

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• Xcode - Drawing Pixels

  - by Brett

  Hi guys; I am trying to draw individual pixels in xcode to be outputted to the iphone. I do not know any OpenGL or Quartz coding but I do know a bit about Core Graphics. I was thinking about drawing small rectangles with width and height of one, but do not know how to implement this into code and how to get this to show in the view. Any help is greatly appreciated. Thanks, Brett

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• smallest filesize for transparent gif

  - by zaf

  I'm looking for the smallest (in terms of filesize) transparent 1 pixel image. Currently I have a gif of 49 bytes which seems to be the most popular. But I remember many years ago having one which was less than 40 bytes. Could have been 32 bytes. Can anyone do better? Graphics format is no concern as long as modern web browsers can display it and respect the transparency.

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• CGRect in C code

  - by Leif Andersen

  A simple google search for: CGRect + C or CGRect in C brings back only Apple, iPhone, and Objective-C websites. However, I remember hearing that Core Graphics was part of C at my university. Did I hear incorrectly, or is CGRect something that I can use in C, or even C++ as it's Object oriented?

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• vector drawing canvas in GWT

  - by Limbic System

  Are there are decent implementations of a vector graphics canvas in GWT? I would like to be draw arbitrary shapes and have them react to user input (mouse in/out/click/etc). There are wrappers for the HTML canvas, but that feature is not supported in older browsers (read: IE).

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• UIImage change raw pixels from white to clear?

  - by christo16

  I've tried some code from each of these questions: How to make one color transparent on a UIImage? How to mask a UIImage so that white becomes transparent on iphone? but have come up unsuccessful, unfortunately working with Core Graphics and images is not my strong suit. How would I go about accessing a UIImage's raw data and changing the white pixels to clear? Thanks!

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• Delete rectangle using c#?

  - by C. Karunarathne

  Can I delete the old rectangle which I have drawn and draw a new rectangle? private void panel1_MouseClick(object sender, MouseEventArgs e) { Graphics g = this.panel1.CreateGraphics(); Pen pen = new Pen(Color.Black, 2); g.DrawRectangle(pen, 100,100, 100, 200); g.dispose(); }

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• ASP.NET/Vb.net: How to create a frame after an image is uploaded ?

  - by stighy

  Hi guys, i would like to create a fixed size frame for user photos uploaded. I've tought: i, can create a fixed sized image (200 width x 600 height for example), with my personal frame (top, left, bottom, right element graphics) , and in the center a transparency. Ok, but i don't know how to merge the photo into the frame and save the new photo format. Does anybody have some piece of code to help me ? Thank you!

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• Software to draw 3D geometry

  - by ilovekonoka

  Does anyone know any software that can draw 3D geometry like figures usually seen in computer graphics papers and articles(example: http://www.iquilezles.org/www/articles/sphereao/sphereao.htm)? I know it can be done in Inskcape or Illustrator but I'm not sure they're the only choices.

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• Delete rectangle using .NET?

  - by C. Karunarathne

  Can I delete the old rectangle which I have drawn and draw a new rectangle? private void panel1_MouseClick(object sender, MouseEventArgs e) { Graphics g = this.panel1.CreateGraphics(); Pen pen = new Pen(Color.Black, 2); g.DrawRectangle(pen, 100,100, 100, 200); g.dispose(); }

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• smallest filesize for transparent single pixel image

  - by zaf

  I'm looking for the smallest (in terms of filesize) transparent 1 pixel image. Currently I have a gif of 49 bytes which seems to be the most popular. But I remember many years ago having one which was less than 40 bytes. Could have been 32 bytes. Can anyone do better? Graphics format is no concern as long as modern web browsers can display it and respect the transparency.

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• Is DxScene the "WPF for Delphi"? Anyone used it?

  - by André Mussche

  I am playing with DxScene and VxScene: http://www.ksdev.com/dxscene/index.html It looks very nice and powerful: 3d accelerated vector graphics, cross plaform, nice effects, many 2d GUI controls (vector based), good scaling, transparency, rotating (x, y, z), 3d models, etc. Even with many effects, the CPU stays very low (0%)! http://www.ksdev.com/dxscene/snapshot/screen0.jpeg But can it be seen as a good WPF alternative for Delphi? And does anyone use it instead of normal Delphi VCL?

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• Inset selection in gimp? Reverse drop-shadow?

  - by DevDevDev

  I'm wondering how to achieve this effect that Apple uses. It looks as though the button is depressed into the bar, can't figure out how to do the same effect for my graphics. Thanks!

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• XSL Transform SVG to VML

  - by kzh

  I don't know anything about VML except that Internet Explorer and other Microsoft products use it and that it is a vector graphics format. Can one use XSLT to transform an SVG document to VML? Or are they too different from one another to make this possible? I know that there exist XSLT documents to transform SVG to XAML.

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• Resized image degrades in quality.

  - by Venkats

  I resized an image using Java2D Graphics class. But it doesn't look right. BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, type); Graphics2D g = resizedImage.createGraphics(); g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_HEIGHT, null); g.dispose(); Is it possible to scale an image without introducing artifacts?

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