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tutorials:rgg-code-structure [2024/12/04 10:19] – [Working with several Files] tim2tutorials:rgg-code-structure [2025/01/10 11:16] (current) gaetan
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 ==== Queries ==== ==== Queries ====
  
-In GroIMP the project graph is considered to hold almost all information on the simulation. Therefore it can also be seen as a knowledge graph. To retrieve this knowledge rgg uses the [[tutorials:common_graph_queries|XL query system]]. To use this queries in a java block they have to be framed by ''(*...*)'' as shown in the examples below. In that way they return a collection object, which then can be like other java objects. Moreover GroIMP comes with a set of predefined  [[groimp-platform:xl-operators|Analytical Operators]] to analyze this collections.+In GroIMP the project graph is considered to hold almost all information on the simulation. Therefore it can also be seen as a knowledge graph. To retrieve this knowledge rgg uses the [[tutorials:common_graph_queries|XL query system]]. To use this queries in a java block they have to be framed by ''(*...*)'' as shown in the examples below. In that way they return a collection object, which then can be like other java objects. Moreover GroIMP comes with a set of predefined  [[:groimp-platform:xl-builtin-methods|Analytical methods]] to analyze this collections.
  
 As shown in the example below in ''%%count((*M*))%%'' this queries work with the concept of java objects. Therefore ''(*M*)'' is selecting all instances of Branch because Branch extends M. This also works with interfaces.  As shown in the example below in ''%%count((*M*))%%'' this queries work with the concept of java objects. Therefore ''(*M*)'' is selecting all instances of Branch because Branch extends M. This also works with interfaces. 
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 ===== XL Blocks ===== ===== XL Blocks =====
  
-While using XL rules mainly two operators are used: replacement rules(''%%==>%%'') and   execution rule (''%%::>%%''). +While using XL queries mainly two rules are used: replacement rules(''%%==>%%'') and execution rule (''%%::>%%''). 
    
  
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 ==== Working with several Files ==== ==== Working with several Files ====
  
-{{ :tutorials:file_explorer.png?200|}}+{{ :tutorials:file_explorer.png?260|}}
  
 In GroIMP it is possible to split your code into several files and folders to improve the structure and keep an overview. In GroIMP it is possible to split your code into several files and folders to improve the structure and keep an overview.
 +<color #ed1c24>It is highly recommended to only have public void functions in one file. Otherwise your project will have several rest buttons that do different things... </color>
 +
 +
 To use function from another file this file needs to be imported similar to a java class or package. To use function from another file this file needs to be imported similar to a java class or package.
 Yet in the case of GroIMP all files are imported by their name without the directories, therefore to import all modules, and classes in ''param/parameters.rgg'' you just write: Yet in the case of GroIMP all files are imported by their name without the directories, therefore to import all modules, and classes in ''param/parameters.rgg'' you just write:
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 <code java> <code java>
 public static int length = 1; public static int length = 1;
-public static float daimeter = 0.1;+public static float diameter = 0.1;
 module Leaf() ==> leaf3d(1); module Leaf() ==> leaf3d(1);
 module Shoot() extends F(1); module Shoot() extends F(1);
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 </code> </code>
  
 +Finally you can import all modules with the * operator:
 +<code java>
 +import parameters.*;
 +protected void init ()
 +[
 +Axiom ==> Shoot() Leaf()[RL(180) Leaf()];
 +]
 +</code>
  
 +This can also be done with the static variables using static import:
 +<code java>
  
- +import static parameters.*; 
- +protected void init () 
- +[ 
- + Axiom ==> F(length,diameter); 
 +
 +</code>
  
tutorials/rgg-code-structure.1733303976.txt.gz · Last modified: 2024/12/04 10:19 by tim2