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Some of you may think that this format is unoptimizable. Well, in this post well try to debunk this myth. This post describes some techniques that may help you optimize your PNG-images. (tags: png graphik)
* Fast and easy map generation, different output formats * Fast extraction of needed data out of *.osm files (place=*) * Easy style file handling * Street and place directories * Keep it simple (easy invocation with only 2 mandatory parameters) * Keep it powerful (by using more parameters)
The Portable Network Graphics (PNG) is a format for storing compressed raster graphics. The compression engine is based on the Deflate method [RFC1951], designed by PKWare and originally used in PKZIP.
Draw Freely, Open Source vector graphics editor, with capabilities similar to Illustrator, Freehand, CorelDraw, or Xara X using the W3C standard Scalable Vector Graphics (SVG) file format. Supported SVG features include shapes, paths, text, etc
* Fast and easy map generation, different output formats
* Fast extraction of needed data out of *.osm files (place=*)
* Easy style file handling
* Street and place directories
* Keep it simple (easy invocation with only 2 mandatory parameters)
* Keep it powerful (by using more parameters)
Pngcrush is an optimizer for PNG (Portable Network Graphics) files. It can be run from a commandline in an MSDOS window, or from a UNIX or LINUX commandline.
Its main purpose is to reduce the size of the PNG IDAT datastream by trying various compression levels an PNG filter methods. It also can be used to remove unwanted ancillary chunks, or to add certain chunks including gAMA, tRNS, iCCP, and textual chunks.
This site is all about a JavaScript-based PNG fix for Internet Explorer 5.5 and 6 on Windows. The fix allows IE to properly render PNG alpha transparency.
"This must be the easiest way to get full support for PNG-transparency in Internet Explorer 6. The technique even works for PNG-transparency in CSS backgrounds."
Media-Convert is 100% free online file conversion. No installation, no registration, no viruses or spyware. Select input and output formats, submit the online form, and voila! your converted file!
Media-Convert is 100% free online file conversion. No installation, no registration, no viruses or spyware. Select input and output formats, submit the online form, and voila! your converted file!