Relates to versions - 22.0+
Micromine Origin & Beyond 2023.5-2024
Micromine Origin & Beyond 2023.5 has incorporated software improvements to allow for the detection of the Source Coordinate System in certain import functions and formsets:
- File > Import > Vector (GIS/GPS)
- Vizex > Display Layers > Image
When using the File > Export > GIS command, it is possible to write a new Source Coordinate System to the exported file as per the image below.
These new features provide users a point of reference when converting coordinate systems for imported data and allow exported files to be encoded with a new coordinate system, similar to a .PRJ file.
Micromine Origin & Beyond 2022-2023 (Coordinate Agnosticism and .PRJ Files)
In order versions of Micromine, (2022-2023), coordinate conversions for data files and images require additional consideration.
It is important to understand that in other GIS packages, such as QGIS, a user must define what coordinate system they are working in for a project. Micromine does not require this setup, allowing users to create a project and begin the loading of files.
Micromine Origin & Beyond, in this sense, can be described as projection / coordinate system agnostic; in that it treats coordinates as a raw number and relies on the user to understand what projection their file is in.
For example, shapes in WGS84 will range from -90 to 90 degrees for latitude and -180 to 180 degrees for longitude. When a shape file in WGS84 is drawn in another packages, each point will have a coordinate with the range (-90 to 90, -180 to 180).
When Micromine brings in this file drafted in WGS84, the latitude and longitude fields will be treated as a raw number, placing the shape/image near a (0,0) origin since the raw numerical range for WGS84 latitude/longitudes doesn't extend very far.
Micromine Origin and Beyond offers the ability to readily convert the coordinates of a file easily from one system to another; under the proviso that you know what system your original file/drawing/shape is in. Given this capability, Micromine doesn't need a .prj file that contains datum/projection information/flags and currently doesn’t support the creation of .prj files.
While it is understood that other GIS programs sometimes requires a .prj file or table containing a datum information to load files in the correct location, users will need to create the file in QGIS or another GIS package if 3rd party users are encountering import issues. When importing Micromine processed files into another GIS package, import settings may need to the manually specified with the absence of the .prj file.
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