![]() ![]() The parameters RA, Dec and Dist can be adjusted in SE in the Edit mode (see below). RA - right ascension in hours, in decimal format or formatted as HH MM SS.SSS Dec - declination in degrees, in decimal format or formatted as DD MM SS.SSS Dist - distance from the Sun in parsecs. Nebula catalogs */catalogs/nebuale/*.sc can have only Nebula tags. Star cluster catalogs */catalogs/clusters/*.sc can have only Cluster tags Galaxy catalogs */catalogs/galaxies/*.sc can have only Galaxy and Quasar tags This has been noted in the Introduction to SE scripts: Also keep in mind that you must describe a galaxy in a galaxy catalog, it is not allowed in the nebula or star cluster catalog. They are very similar, though some parameters are allowed only for certain types of object. Here we will describe all the parameters which can be used in scripts for galaxies, star clusters and nebulae. in the galaxy catalog to remove a galaxy, and so on): Remove "name" - delete a previously defined object. ![]() Use this parameter in the corresponding sc file (i.e. object defined in some older catalog files). You can also remove the previously defined galaxy/quasar/cluster/nebula (i.e. Rename it to mycluster.sc (the file name doesn't matter). Go to the addons/catalogs/clusters/ directory (create it if it does not exist) and create a new text document there. Star clusters can be added/modified by the same way. SpaceEngine will update the old object with the new data (it's also possible to change its type - from To add a new galaxy or modify a galaxy which has already been described in the catalogs, simply define a new object ( Galaxy or Quasar) with the same name in the galaxy script. ![]() Note that in the current version of SpaceEngine quasars do not differ from regular galaxies (except designation in the interface). In the galaxy catalog, you can use only these two tags to add a new object or modify the old one: Galaxy "name" - to add/modify a quasar. Rename it to mygalaxy.sc (the file name doesn't matter, but make sure it doesn't match some existing file, otherwise your file will override it). Go to the addons/catalogs/galaxies/ directory (create it if it does not exist) and create a new text document there. Let's consider you want to create a new galaxy called "MyGalaxy". They differ only by location on the disk, main tag name, and a few parameters specific for only some types of object. Galaxies, star clusters and nebulae have very of catalog file formats. It is a script-like text with 'tags' used to describe an object and its various parameters. The sc format is designed to specify any possible data that SE can use to describe an object. It is just a table with values separated by commas. It is more compact and loads faster than sc, but has limits to the types of data which can be specified in it. The csv format for a catalogs is designed to create a large list of objects with similar data. SpaceEngine has scripting options to modify and remove objects from the default catalogs, or to add new ones. If you want to update a galaxy, remove it, or add a new one, create your own sc or csv file in the addons/catalogs/galaxies/ folder. These default files should not be modified or changed in any way. Some other galaxies are stored in few sc files in the same system pak file. This is the NGC/IC galaxy catalog with about 10,000 galaxies. The majority of galaxies in the default SpaceEngine installation are stored in the csv file data/catalogs/ Catalogs0980.pak/galaxies/NGC-IC.csv. If you add new models to the types of galaxies/nebulae, some fraction of these objects in SpaceEngine will use your models. Note: the current version of SpaceEngine does not support procedural generation of galaxies and nebulae, therefore all galaxies/nebulae uses one of the standard models. You can make a custom model and assign it to a specific galaxy/nebula, or tell SE to assign it procedurally to all galaxies/nebulae which have a certain type (for example, "Sa" galaxies). Otherwise SpaceEngine will use one of the standard models, assigning it to your object based on its type. You can also create a custom 3D model for galaxy or nebula. You can add multiple object scripts to the sc file. To add a new object, create the sc file in the needed subfolder in the addons folder, and type the script in it (see below). They are stored in the virtual folders */catalogs/galaxies/, */catalogs/clusters/ and */catalogs/nebuale/, respectively. Galaxies, star clusters and nebulae have a similar format of catalog file. Before continuing, it is recommended that you read this manual: Introduction. This manual describes how to add a galaxy, star cluster or nebula to SpaceEngine. ![]()
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