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  2. List of GIS data sources - Wikipedia

    en.wikipedia.org/wiki/List_of_GIS_data_sources

    Data from Conservation International on areas of the world with especially high endemism and high numbers of threatened species. Pilot Analysis of Global Ecosystems: Forest Ecosystems: Data from the World Resources Institute includes: percentage tree-cover, population density and tree cover, share of wood in fuel consumption, etc.

  3. GIS file format - Wikipedia

    en.wikipedia.org/wiki/GIS_file_format

    Raster datasets record a value for all points in the area covered which may require more storage space than representing data in a vector format that can store data only where needed. Raster data is computationally less expensive to render than vector graphics; Combining values and writing custom formulas for combining values from different ...

  4. Data model (GIS) - Wikipedia

    en.wikipedia.org/wiki/Data_model_(GIS)

    A hybrid topological data model has the option of storing topological relationship information as a separate layer built on top of a spaghetti data set. An example is the network dataset within the Esri geodatabase. [23] Vector data are commonly used to represent conceptual objects (e.g., trees, buildings, counties), but they can also represent ...

  5. Raster graphics - Wikipedia

    en.wikipedia.org/wiki/Raster_graphics

    A raster image is technically characterized by the width and height of the image in pixels and by the number of bits per pixel. [1] Raster images are stored in image files with varying dissemination, production, generation, and acquisition formats. The printing and prepress industries know raster graphics as contones (from continuous tones).

  6. Category:Raster graphics editors - Wikipedia

    en.wikipedia.org/wiki/Category:Raster_graphics...

    Main page; Contents; Current events; Random article; About Wikipedia; Contact us; Help; Learn to edit; Community portal; Recent changes; Upload file

  7. Raster graphics editor - Wikipedia

    en.wikipedia.org/wiki/Raster_graphics_editor

    Darktable, a raw photo post-processing application GIMP, a feature-rich general-purpose raster graphics editor. A raster graphics editor (also called bitmap graphics editor) is a computer program that allows users to create and edit images interactively on the computer screen and save them in one of many raster graphics file formats (also known as bitmap images) such as JPEG, PNG, and GIF.

  8. Comparison of raster graphics editors - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_raster...

    Deluxe Paint* Efficient bitmap and true-color paint program with rendering features and advanced animation capabilities. Dan Silva 1985: 5.2 1995: Proprietary: Deneba Canvas X3 Graphics editor and creator supporting both raster graphics and vector graphics.It also work on GIS data. Jorge Miranda, Joaquin de Soto, Manny Menendez September 1987: ...

  9. Category:GIS raster file formats - Wikipedia

    en.wikipedia.org/wiki/Category:GIS_raster_file...

    Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. Help. Pages in category "GIS raster file formats" The following ...