What's new GiD 18

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What’s new

Main news from version 17 to version 18. (See 'Detailed changes' for the full list of news).

General:

• New feature to create geometry from volume mesh elements.

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  • New feature to draw terrain images as 3D (View->Background image->Create projected on mesh).

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• Run simulation:  command.exe is not required now to start the process.

• Added option in Snapshot/animation save file dialog to save files in project.gid/gallery/ folder which is accessible from the Model Manager as Gallery:

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• Use internally vcpkg (C++ package manager) to handle third part libraries, and a lot of them have been updated to latest versions.

• Linux + latest NVidia drivers : improved starting time of GiD.

• Internal replacement of vector and matrix objects by eigen3 library.

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• Multiple views allow ‘Link views’

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• 3 optional clip planes parallel to X, Y or Z

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•  New tool: View → View → Link external process… to link with other GiD process and move them from this master GiD, to visually compare models:

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• New tool: View->Explode…

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• Refactor Copy/Move window

• Auxiliary tool to to facilitate find in disk models and open, save image,... (-np- ExplorerModels::Window)

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Pre-process

• Join volumes, allow multiple creation.

• RESQML™ mesh import (standard format from ENERGISTICS™ used for earth description for oil and gas uses)

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• New feature to collapse 3D points considered in 2D projection (to import xyz cloud of points of terrain and connect with triangles by Delaunay).

• Parasolid import updated to 36001 version

• Edit mesh->Cut plane

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• Edit geometry->Move->Move Lines z raster (to set z coordinates of curves from a raster image)

• New menu "Mesh->Preview line mesh" to interactively test mesh sizes and see the line nodes

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• New plugin to import OpenSees mesh (and some other data if problemtype OpenSees was loaded)

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• OpenCascade BREP CAD format import.

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• Insert GiD project now also import the classic problemtype data (conditions and materials)

• Create volumes search all, and enhanced create surface search and volume search

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•  Join lines allow join also if have structured number divisions

• Join surfaces option to join also its curves

• New tool intersection volume-surfaces

• Mesh draw mesh quality of elements with color contour fill.

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• STEP import, new experimental implementation using OpenCascade reader, and set variable Step(ImportStrategy) as the default method.

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• IGES import, new experimental implementation using OpenCascade reader.

• Create parametric lines window enhanced facilitating examples (sin, helix)

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• Variable DetachMeshFromGeometry added to preferences window

• Import topography tool enhanced, and new create buildings feature

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• Hexahedra smoother enhanced (minimize the element's distortion)

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Post-process:

• RESQML™ mesh import and also properties as results

• VTK format import and export of mesh and results rewritten from scripting to native C++, and updated to VTK 9.3 version

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• Reducing memory and CPU time if many threads are selected in preferences-->other-->parallelism and when reading big meshes, or passing from pre

• New plugin Files->Import->PyNastran… to import NASTRAN mesh in .bdf format with results in .op2 format (using the PyNastran Python library)

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• Faster updates of Display Style Windows when using big meshes.

• Multiple views, allow show a different style by view

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• Create result window enhanced (more simple GUI, fixed bugs and proc CreateResult::Create to be invoked without GUI).

• New Delete result window:

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Customization:

• GiD_Project db save background_image <filename>

• Classic problemtype predefined TKWIDGET: GidUtils::TkwidgetButton {-command {W "hello world"} -text "Press me"} 

• New GiD_GetFlag <flag> Tcl command to get some start flags

• New optional <problemtype>.ini , used with flags -p and -c2 to use it as alternative to scritps/gidDefaults (e.g. to start with non-standard layout or settings)

• GiD_Layers get bounding_box <layer_name> geometry|mesh

• GiD_Sets get bounding_box <set_name>

• New Tcl package gid_bounding_box

• GiD_Info mesh -post and GiD_Result get_nodes with extra flag -deformed to return deformed coordinates of nodes, now by default the original coordinates are returned

• objarray package v 1.19 new command objarray extract

• new GiD_OpenGL subcommands

  • New subcommands useful for high resolution captures.

  • Wrap GiD_OpenGL draw logicop Tcl command, and related constants colorlogicop to enable and enum of logical operations: clear, set, copy, invert, …

• objarray_numpy pure python package to facilitate transfer arrays between Tcl and numpy.

• python.bat / python launch scripts in main GiD folder to be more visible.

• New Tcl command GiD_Tools mesh slice <A B C D> ?<element_ids>?

• New Tcl command: GidUtils::execPowershellCmd {cmd} for MS Windows, to execute PowerShell commands

• New Tcl command: GidUtils::getGraphicsInformation to get information about installed graphic cards

• Windows and Linux register gid:// URL protocol handler.

• New subcommands GiD_Geometry get point|line|surface|volume <id> label_position , and GiD_Mesh get node|element <id> label_position

• New subcommands GiD_Geometry get point|line|surface|volume <id> interior_position|layer

• VTK Tcl import/export plugin and vtk Tcl packages were removed (can be obtained from old GiD’s)

• GiD_WriteCalculationFile connectivities now allow point element (1-node)

• CustomLib fixed some bugs and limitations drawing symbols of conditions of different categories

• CustomLib tree allow use .svg vectorial images, and scale them with better quality

• New GiD_Event_AfterSetDisplayStyle and GiD_Event_AfterSetResultsView

• New GiD_Event_BeforeDrawModel to allow more GiD_OpenGL control

• Added tcl3dogl package: an alternative to GiD_OpenGL draw allowing more OpenGL wrapped commands and better syntax

• GidUtils::CreateMeshFromSet convert quadrilaterals degenerated (repeating a node) as triangles.

• GiD_Result and GiD_Info Postprocess Get results_list: instead <step_value> double value is possible to specify “-index <step_index>” (index from 0).

• GiD_Project set disable_draw_set ?<0|1>? to draw or not the model and draw a custom version.

• GiD_Tools mesh classify_node_connected_parts ?<element_ids>

• GiD_Tools mesh elements_mean_center ?<element_ids>?

• GiD_Tools mesh elements_bounding_box ?<element_ids>?

• GiD_Raster create {from_raster_cells_to_nodes <raster>} to create a new raster_nodes averaging the values on cell centers to the nodes

• Add tcl3d 1.0.2 basic packages of OpenGL wrapper

• New subcommand GiD_Info mesh -post HasRepeatedElementId

• New subcommand GiD_MeshPost edit renumber elements consecutive

• New GiD_Sets edit, delete, list, window, exists subcommands:

• New GiD_Result list subcommand

• Preliminary version of a VS Code extension to debug Tcl based on ramdebugger (<gid>\scripts\ramdebugger\vscode-tcl-debug\tcl-ramdebugger-0.1.0.vsix)

• Updated all Tcl related packages to latest versions.

• GiD and all packages ready to a future replacement of Tcl 8.6 by Tcl 9.