https://wiki.grogra.de/ 2026-04-13T21:57:38+00:00 https://wiki.grogra.de/ https://wiki.grogra.de/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2025-04-03T08:16:41+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:coolbar&rev=1743668201&do=diff Customizable toolbar The plugin Coolbar enables to use and customize a toolbars for GUI interactions in GroIMP. The Coolbar The customizable Toolbar can be used to create shortcuts and macros to improve your GroIMP experiences. To add or remove an item from the coolbar you can use the the gear button on the coolbar. This allows in the base configuration to add panels or XL macros. text/html 2024-04-12T12:30:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:dtd-format&rev=1712925045&do=diff The .dtd format english: (descriptive tree data format) * The dtd data format of the Grogra and GroIMP software systems is only used to read Plant structure data. The data coded in this format are usually derived from empirical images of individual branches or complete crowns or root systems. A dtd file (file name extension text/html 2025-01-14T14:29:34+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:extents&rev=1736864974&do=diff Graph Extents A special feature of the graph management is the manipulation of extents. For each used node class in the graph, there exists an Extent which collects all nodes of this class and also has a link to the extent of its superclass and to the extents of its subclasses. This feature is currently used within the RGG plug-in for a fast processing of queries which specify node type patterns like in the rule text/html 2024-04-29T10:29:51+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:gpuflux&rev=1714386591&do=diff List of reports on GPU computing in GroIMP: * Stochastischer GPU-Strahlenverfolger fur GroIMP * Spektrales Raytracing auf der GPU * [Unbiased physically based rendering on the GPU] text/html 2025-07-28T15:32:16+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:graphexplorerstructure&rev=1753716736&do=diff Graph Explorer Plugin Following the basics of the Graph Explorer plugin which holds GraphObjects and SecGraphs, are described. Objects GraphObject A GraphObject can be used to load graph structures from file into the GraphObeject explorer and use them as read only assets. The graph structure can either be cloned and then added to the graph or only an instance of it can be used in the graph. A GraphObject is stored in the original file format and can be viewed from the GraphObjectExplorer. T… text/html 2025-01-22T14:54:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:gs-project&rev=1737557686&do=diff GroIMP Project The main entity you work on in GroIMP is the project. A project may consist of various parts, e.g., files, source code, a scene (2D, 3D, or other), resource objects like data sets, 3D materials or the like. Several projects can be open at the same time, each in its own main window. text/html 2025-01-15T11:19:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:input-and-output-in-groimp&rev=1736939962&do=diff Supported format for Objects Object can be imported in GroIMP using the “object>import>from file”. The list of supported format is: * PLY * XYZ * OBJ * X3D * RSML * QSM * DTD * DTG Input and output in GroIMP It is possible to add file type readable for groimp (see text/html 2024-04-12T12:32:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:leaf-objects&rev=1712925165&do=diff Leaf objects english: Instructions * Pick a leaf from the tree to be digitized and place it on a (optionally checked) paper. * Transfer significant corners to the paper. If possible also saddle points of curved edges. The more detailed the result is. text/html 2024-04-12T12:26:06+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:platform-registry-structure&rev=1712924766&do=diff Platform registry The platform is structured by the registry, which has a tree structure. All elements loaded by the platform have to be defined in the platform registry. Upon startup GroIMP load the platform registry based on all the plugin.xml files defined in the project repositories. text/html 2024-12-02T15:37:47+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:pointcloud&rev=1733153867&do=diff Point Cloud The objects and tools presented in this wiki mostly comes from the plugin Pointcloud. See here to see how install plugins in GroIMP. The wiki is up to date with the version 1.8 of the plugin. Tools: * Point cloud tools * Point cloud shape fitting Tutorials: * Import/Export point clouds * Validating growth model on measured point cloud * Using point clouds with meshes as organs Object design text/html 2024-11-11T11:15:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:pointcloudfitting&rev=1731323725&do=diff Point cloud fitting functions All functions described here require one or multiple point clouds selected in the current 3D view. Otherwise, an error dialog is shown. If point clouds are selected, a dialog box asks for the fitting mode. In case of a cylinder, a frustum, a cone, and the automatic mode also the precision parameter is requested. Another dialog box asks whether the selected point clouds should be kept or removed. After confirming one of the options, the objects are created, displaye… text/html 2024-12-06T11:04:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:pointcloudtools&rev=1733483073&do=diff Point cloud tools This wiki present the base tools included in the Pointcloud plugin. The version used in 1.7. Every tools presented here are available both from GUI or from RGG code. The projects used to create the images are available from the example explorer embedded in GroIMP. The tools consider the local transformation of the point cloud. The coordinate of the Point are local in relatively to the Point cloud Node. text/html 2024-04-12T12:42:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:resource-converter&rev=1712925763&do=diff Resource Converter Resources defined in the property files are loaded with _ResourceConverter_. See how to define resources in bundle. Resources Object Resources are defined in a .property file. By default loaded as String. If the resource if set as `type value`, it is read through a resource converter. The type and value are separated by the first space. The resource definition must be surrounded with `. text/html 2024-04-12T12:38:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:resources-bundle&rev=1712925480&do=diff Resources Bundle GroIMP uses a bundle approach to link resources and Registry items. String resources Most resources used in GroIMP defined in property files are String. The two main examples are: * Name of registry item, usually the name are defined at the plugin level (in text/html 2024-11-13T15:32:05+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:turtle_commands&rev=1731511925&do=diff Command Description F(x) creates a Cylinder of the length x F(x,d) creates a Cylinder of the length x and the diameter d F(x,d,c) creates a Cylinder of the length x the diameter d and the color c M(x) moves the turtle state for a distance x without creating an object text/html 2024-11-06T16:46:18+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:visit-resolution&rev=1730911578&do=diff Display visitor resolution To display a scene (2d or 3d) the graph is visited by a DisplayVisitor. The display visitor visit all Nodes that are connected through Branch and/or Successor edges to the root (see more on the 3d display visitor). The DisplayVisitor is used at every display update: highlight, picking, graph update, navigation in the scene, text/html 2025-01-10T13:55:33+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-additional-java&rev=1736517333&do=diff Additional operators These operators are addition to the java syntax. They can be used in a java block. text/html 2025-01-10T10:13:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-builtin-methods&rev=1736503980&do=diff XL-Operators are designed to simplify the usage of XL queries and rewriting rules. Moreover these operators can improve the performance of a query due to there deep integration into the model. In the following the operators a separated into Analytical and selection operators to either get a value for analysis or a node/ a collection of nodes for rewriting. text/html 2025-01-24T07:12:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-lambda&rev=1737702730&do=diff XL Lambda function Since the java version used in GroIMP does not yet support the java lambda functions, GroIMP comes with a set of own lambda functions. A Lambda function or anonymous function is a function that is not connected to an identifier and can be handled like a variable. text/html 2025-01-08T10:34:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-language-graph&rev=1736332462&do=diff Graph modifications According to the XL language specification, the XL queries are applied in parallel. In order to make sure the queries and rules are applied in parallel without concurrency access, GroIMP implementation use transactions and queues. Transaction GroIMP transactions work as buffers of operations on the graph. A transaction includes a set of queues that contains the list of modifications to be applied on the graph. text/html 2024-09-26T13:18:20+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-language&rev=1727356700&do=diff XL language The programming language XL is our implementation of relational growth grammars. XL is built on top of the programming language Java: This combines the advantages of the rule-based paradigm with the strength of Java, including the rich set of existing Java libraries. text/html 2025-01-10T14:08:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-operators&rev=1736518118&do=diff Production operators Production operators are operators that can be used in a production statement. Edge operators whitespace add node and connect with previous node, if any, by a successor edge > connect node with previous by a successor edge text/html 2025-01-10T14:38:32+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-predicates&rev=1736519912&do=diff Query predicates These predicates are used in the queries. Note that the description of the predicate is simplified. Please refer to the XL specification to see the complete definition. All of the examples are part of patterns (on the left hand side in rule query, or in expression query text/html 2025-01-24T08:51:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-query&rev=1737708716&do=diff see also: Graph queries in XL In the following a set queries is listed and the results of them applied on the graph in the image. This graph is created by the turtle query: A[F A][R F A] F A ; Query Result Description Basic A or a:A {a1,a2,a3,a4} addresses all instances of module A text/html 2025-01-20T17:06:04+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.grogra.de/doku.php?id=groimp-platform:xl-rules&rev=1737392764&do=diff GroIMP includes four sorts of rules. Rule symbol What it does ==> Rule in Lindenmayer-form. Graph replacement rule, where one subgraph (often only one object) is replaced by another graph. The connections between the host graph and the newly-inserted graph are recovered. That means that if, e.g., in a one-dimensional graph [ A B C D ] the node B is replaced by a node G, then G will be inserted into the graph with the original connecting edges to the neighbourhood of the node B: [ A G C D ]. …