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Intelligent point label placement in R
...rlapping text labels
addTextLabels(x, y, ShortSci, cex=0.9, col.background=rgb(0,0,0, 0.75),
col.label="white")
It works by automatically selecting an alternative location from a fine grid of points. The closest points on the grid are visited first and selected if they don't overlap ...
Why is DarkGray lighter than Gray?
...closer to "Silver". However, the W3C defined Gray (more appropriately?) as RGB 50%.
Here's some more Wikipedia on the subject:
Perhaps most unusual of the color clashes between X11 and W3C is the
case of "Gray" and its variants. In HTML, "Gray" is specifically
reserved for the 128 triplet (...
Random / noise functions for GLSL
...pixel value
vec3 luma = vec3( rand ); // Expand to RGB
fragment = vec4( luma, 1.0 );
}
Screenshot:
I inspected the screenshot in an image editing program. There are 256 colours and the average value is 127, meaning the distribution is uniform and covers the expec...
What would be the Unicode character for big bullet in the middle of the character?
...You can use a span with 50% border radius.
.mydot{
background: rgb(66, 183, 42);
border-radius: 50%;
display: inline-block;
height: 20px;
margin-left: 4px;
margin-right: 4px;
width: 20px;
}
<span class="mydot"></span>
...
Why doesn't C have unsigned floats?
...s isn't useful, you may want to clamp values to a given range, for example RGB calculations.
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How to create a custom-shaped bitmap marker with Android map API v2 [duplicate]
... draw more complex and fancier stuff:
Bitmap.Config conf = Bitmap.Config.ARGB_8888;
Bitmap bmp = Bitmap.createBitmap(80, 80, conf);
Canvas canvas1 = new Canvas(bmp);
// paint defines the text color, stroke width and size
Paint color = new Paint();
color.setTextSize(35);
color.setColor(Color.BLACK)...
How does JavaFX compare to WPF? [closed]
...hat can be defined and used elsewhere E.G.
.button {
my-custom-color: RGB(234, 44, 78);
}
.my-control {
-fx-background-color: my-custom-color
}
It also provides a couple of functions that allow you to derive colours from other previously defined colours which is useful for creating thing...
How can I create a UIColor from a hex string?
...our header and it's available throughout your project.
#define UIColorFromRGB(rgbValue) [UIColor colorWithRed:((float)((rgbValue & 0xFF0000) >> 16))/255.0 green:((float)((rgbValue & 0xFF00) >> 8))/255.0 blue:((float)(rgbValue & 0xFF))/255.0 alpha:1.0]
uicolor macro with he...
Java - get pixel array from image
...s. I currently know of two ways for doing this:
Using BufferedImage's getRGB() method as described in @tskuzzy's answer.
By accessing the pixels array directly using:
byte[] pixels = ((DataBufferByte) bufferedImage.getRaster().getDataBuffer()).getData();
If you are working with large images an...
Chrome developer tools: View Console and Sources views in separate views/vertically tiled?
...t;
height: auto !important;
z-index: 1;
border-left: 1px solid rgb(64%, 64%, 64%);
}
#-webkit-web-inspector.show-toolbar-icons #drawer[style*="height"]:not([style*="height: 0"]) {
top: 56px !important;
}
The result looks like this:
...