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Questions tagged [visual-artifacts]

Visual artifacts are anomalies during visual representation of graphics and imagery.

64 questions
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Optimizing a web interface for touchscreens (dealing with unwanted mouse-drag, etc)

I'm building a small web-based kiosk interface to be used on a 7-inch touchscreen. I won't get into detail about the system itself, but the browser on the touchscreen is a permanently full-screened Firefox running on Ubuntu. After I got the…
Mike Turley
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MTKView refresh issue

I am compositing an array of UIImages via an MTKView, and I am seeing refresh issues that only manifest themselves during the composite phase, but which go away as soon as I interact with the app. In other words, the composites are working as…
Plutovman
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SVG Transform: Scaling Text to Very Small Causes Weird Overlap Effect

I am drawing an SVG group with a circle and a piece of text. As part of an animation, I scale the group up and down. When the group is scaled relatively small, everything looks fine. However, once it gets very small, you start getting some nasty…
speedplane
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opengl es 2.0 alpha blending

I'm using the following to enable alpha blending glEnable(GL_BLEND); glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); The transparency is taken from a texture which seems to work, using the simplest of fragment shaders: void main(void) { gl_FragColor…
cboe
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How do I avoid moiré patterns on dae models in Three.js loaded with ColladaLoader

I use the Three.js library to load and display objects from a single dae/Collada scene file. The file is loaded using the ColladaLoader (example code from Three.js) and I then find the individual objects using the function…
Aycox
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Removing OpenGL texture artifacts

I am creating a simple opengl application which obviously includes some 3d-objects and textures. My problem is however that artifacts appear on every texture. These come in the form of triangles along the edges. I have noticed that it disappears as…
Håkon
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Vertical lines appear in Chrome when moving a div across (and on top) SVG

I am using a qTip2 div as a tooltip when hovering over an SVG element. In Chrome, white vertical lines appear over the SVG (to the left of my qTip div) whenever I move the mouse and the tooltip follows it. They disappear only when the tooltip…
ShayDavidson
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What can cause UIPickerView display bug on iPhone?

I am subclassing UITextField to be able to set UIPickerView as an inputView. When my text field becomes first responder, UIPickerView shows up in place of keyboard. The problem is, in some cases (especially when I set custom component widths),…
Lukasz
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Heavy artifacts in Debian/Bulleye, mainly on video playback, and esp. Youtube

Artifacts can be seen in the image below. Most prominent in YouTube videos, but sometimes on system icons. This is what I've tried: 3 different video cards (all Nvidia), using 2 different PCIe sockets nouveau, 470.161.03, and 510.108.03 nvidia…
Zendel
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WPF 3D close items seems "wobbly"

I'm writing a 3D globe control in WPF. Most of it works good, but when I look at a mountain from too close (say, 10 meters or less), it becomes "wobbly" (meaning - every tiny movement of the camera changes the vertices of the mountain model, so it…
Itai Bar-Haim
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jscrollpane has trailing image

I have a JPanel inside the JScrollPane and it does that whenever I try to scroll. Please help! How do I fix this? EDIT JScrollPane pane; .... pane = new JScrollPane(GC.createGraph()); pane.setPreferredSize(new Dimension(480,480*2/3));
if_zero_equals_one
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Visual artifacts when resizing PanedWindow in tkinter

I am working on an App in tkinter. Can not post the code because it is too complicated and the artifacts would not be visible in simplified version. You can see on the attached video that if I resize the whole window, it looks not bad. It is not…
BTjacker
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Screen Artifacts in Atom on Linux Mint

In the Atom editor on Linux Mint 19.1, I am seeing artifacts on the screen amongst the text, both in the editor as well as in the menus. See screenshot. You can see little "junk" in between letters, such as things that look like an exclamation…
Kurt Wurthrop
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How to remove artifacting from text being drawn into a bitmap

I have a background bitmap if you will and I'm drawing another bitmap with font into the background bitmap. When just drawn on top of each other and zoomed in the level I'm needing they appear perfectly without artifacting and exactly how I want it.…
honeal
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nullpointerexception in wyswig xml layout in eclipse for android and visual-artifacts

I'm currently developing an application for Android which needs to use a custom made Tabs. I have encountered two problems: I will start from my first problem: java.lang.NullPointerException at…
LazyBones
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