Most 2D-maps are used to represent topographic metrics: distances and areas measured on the map (multiplied by the map scale) give traveling distances and land surfaces. In some cases, this information is irrelevant or even misleading [see an example]. As a cartographer, you may wish to use map metrics to represent other data, such as […]
Category Archives: Tools
TinEye – Find an Image With an Image
The TinEye search engine allows you to find images on the web based on an image-file URL.You can also upload the image to search for. Basically, the serch engine finds copies of your image scattered around the web. The algorithm has an excellent tolerance for resolutions and color variations. Here an example with one of […]
Design you color scheme
Searching for an harmonious color scheme starting with a givent color? I recomend Petr Stanícek’s “Color scheme designer“. Using a simple yet powerfull graphical interface, you can find complementary, triadic analogic and many other methods to any web color. Colors can be directly copied to your CSS. I recommend combined use with ColorZilla Firefox plugin.
List all methods of an object in PHP
echo get_class($my_class_instance) . ‘<br/>’; foreach (get_class_methods($my_class_instance) as $method) {echo ‘———>’ . $method . ‘<br/>’;}
Stocking machine readable data in a ‘td’ tag
To stock ‘machine readable’ information about a table cell use the abbr tag: Useful for example when you try to give jQuery a handle on specific table cells when id and class tags are already in use. The ‘abbr’ attribute is an official attribute of the td tag in HTML 4.01/XHTML 1.0 DTD in compliance […]
Force Windows trash (recycler) to empty itself
Sometimes, stuff gets stuck in Windows trash. Mouse-click trash emptying doesn’t work any more. If that happens, use the following DOS code in the command line: rd /s /q C:\RECYCLER If something’s really stuck in the recyler, you will get the following error message (or equivalent in your operationg system installation language): Problem – Le […]
Calling ‘Program Files’ folder by its real name
Trying to call R from, say Java? C://Program Files/R/R.exe returns an error as the Windows command line has trouble interpreting spaces. Use this call instead: C://program~1/R/R.exe
Draw what you’re looking for with an image search algorithm
The written language, made of letters, words and phrases, is how we mostly do internet search. It doesn’t have be that way though. It is very possible, for example, to search a photograph by drawing its approximation. This is shown by ‘retrievr’, the graphic search engine of System One Labs. In retrievr, you can do […]
3D without eyes
The limits of desire in terms of screen resolution have been reached with full HD. This is the point where more isn’t better, ‘more’ simply doesn’t make sense. Beside planned obsolence, the manufactorors only hope is to come up ‘next big thing’. This is precisely why 3D is becomming this year’s keyword of hi-fi retailers. […]