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Default is 90.Įxample of the rendering of a seamless map out of file map1.tif and map2.tif into tiles with internal palette with optimal colors with higher visual : webp_alpha_quality The quality of WebP alpha channel compression. webp_quality The quality of WebP compression. If you experience issues with the visual quality of generated tiles with quantization involved try to set -quant_speed to lower values. Speed 10 has usually 5% lower quality, but is 8 times faster than the default. Speed 1 gives marginally better quality at significant CPU cost. Higher speed levels disable expensive algorithms and reduce quantization precision. quant_quality The quality of quantization. jpg_quality The quality of JPEG compression. There are some options to specify parameters of the conversion into image formats, which can significantly reduce size of produced tiles by degrading the output. Default background color is white (255,255,255), but you can specify your own with the option: -bg The color of the background replacing transparency in the non-transparent tile formats. If partly transparent tiles are saved into a tile format without support for transparency (such as JPEG specified with -f jpg option) then the background color is applied. Otherwise the tile is marked as partly transparent with alpha. opaque, maximum alpha is 255), the alpha channel is discarded and the tile is marked as non-transparent / opaque. If all of the pixels are fully visible (eg. If the tile is completely transparent it is never saved to the disk to save the storage space.
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The transparency can come from the image itself as an alpha channel (with support for partly transparent areas), it can be derived from a selected color (so called NODATA color), or can be just a result of the transformation with the GDAL warping algorithm - for areas without available input data. No matter what input datasets you specify, after transforming them into the tiling profile projection, MapTiler will handle them as RGBA images. Tile transparency or a background color ¶ kmz and save it into the device.Įxample: command for producing tiles for use with Google Earth: garmin To produce format for Garmin GPS devices, with a size 1024x1024 pixels and output to. raster Rendering raster files without a need of georeference is possible as well. See the appropriate section under the Advanced options chapter for more information. custom You can specify your own tiling system. gearth Tile profile specific for Google Earth according the KML SuperOverlay definition. Compatible with most existing WMS servers, OpenLayers base map. These are the alternatives: -geodetic WGS84 Plate Caree / Unprojected. In case you wish to use other tiling system, you must specify it as the first command on the command line. To create high-resolution Retina / HiDPI tiles with double pixel resolution. It uses coordinate system defined as EPSG:3857 or EPSG:900913. The spherical mercator tile profile compatible with Google, Bing, Yahoo Maps, MapQuest, OpenStreetMap, and mobile maps on iOS and Android. MapTiler comes with three predefined most popular systems and possibility to specify a custom profile. Supported Linux distributions are: Debian, Ubuntu, Redhat and Fedora (the rpms are dependent on GDAL from EPEL repository).Īnother option for running the latest MapTiler Engine with the latest GDAL on any Linux distribution is via the Docker container.A global option defining the output system of tiles - the target coordinate system, tile pixel size, etc. In case a different version of the GDAL library is required for your project, we can provide you with binaries compiled for such a version on request. The packages are compiled against the standard out-of-the-box GDAL installation available for your Linux distribution (typically it is the package gdal automatically available via apt or yum/dnf).
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rpm) for your Linux distribution from the link sent by an email. Linuxĭownload the installation package (.deb or. The command line interface can be started from Terminal application as: /Applications/MapTilerDesktopPro.app/Contents/MacOS/maptiler.Īll versions of macOS higher than 10.9 (Mavericks) are supported. macOSĭownload the installation disk image (DMG, sent by an email) and after opening the disk image in macOS you should drag the "MapTiler Desktop Pro" icon into your "Application" folder. After it is finished a new section is added to Start -> All Programs -> MapTiler Desktop Pro, and it is possible to use the command maptiler from the standard Command Prompt application in Windows. MapTiler Engine is part of MapTiler Desktop PRO, available as command line utility maptiler Windowsĭownload the setup.exe (sent by an email) and start the installation wizard.