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Pho is a lightweight utility for viewing, rotating, or deleting large numbers of images quickly, and making notes about what to do with each of them. It is particularly useful for processing hundreds of images after uploading them from a digital camera.

This are Text utilities for use with the GD drawing package. This package provides three modules: GD::Text: Provides information about a font, irrespective of whether the font is a TTF or builtin font. GD::Text::Align Align a string around a coordinate, left, right, center, top, bottom or center. GD::Text::Wrap Wrap a long string between a right and left margin, starting at a certain y coordinate. Layout the text flush left, flush right, center, or justified.

This a thumbnail maker. Thumbnails are smaller versions of the original image/graphic/picture and are used for preview purposes, where bigger images can take a long time to load. They are also used in image galleries to preview a lot of images at a time. This module also has the capability to add information strips about the original image. Original image's size (in bytes) and resolution & mime type can be added to the thumbnail's upper and lower parts. This feature can be useful for web software (image galleries or forums). This is a Yet Another type of module. There are several other thumbnail modules on CPAN, but they simply don't have the features I need, so this module is written to increase the thumbnail population on CPAN. The module can raise an exception if something goes wrong. So, you may have to use an eval block to catch them.

p5-Geo-EOP is a perl module to process earth bservation products meta-data.

This port is the Perl binding for GDAL (Geospatial Data Abstraction Library).

p5-Geo-KML is a perl module to process GML(Geography Markup Language) file.

p5-Geo-Gpx is a perl module to Create and parse GPX files.

Geo::Point tries to abstract coordinate systems. It does not try to solve all the problems itself, but will call-out for helper modules when computation has to be done. The module is heavily resting on Math::Polygon.

The Open Source PROJ.4 library converts between geographic coordinate systems. It is able to convert between geodetic latitude and longitude (LL, most commonly the WGS84 projection), into an enormous variety of other cartographic projections (XY, usually UTM).

Geometry::Primitive is a device and library agnostic system for representing geometric entities such as points, lines and shapes. It provides simple objects and many convenience methods you would expect from a geometry library.