<p align="center">
<img src="images/appicon_256.png" width="200px" align="center" />
</p>
# What is Mayo
Mayo is a basic 3D viewer inspired by FreeCad.
Current features are :
* Multi-documents support, user can open many parts in the session
* Support of STEP/IGES assemblies (colors and tree structure)
* Perspective/orthographic 3D view projection
* 3D clip planes with configurable capping
* 3D view cube providing intuitive camera manipulation
* Save image(snapshot) of the current 3D view
* Editable name of STEP/IGES entities
* Editable 3D properties of the imported items, eg. material, color, display mode, ...
* Area and volume properties for meshes and shapes
3D viewer operations :
* Rotate : mouse left + move
* Pan : mouse right + move
* Zoom : mouse wheel(scroll)
* Window zoom : mouse wheel + move
* Instant zoom : space bar
# Supported formats
Formats | Import | Export | Notes
--------------------------|-----------|----------|------------------------------
STEP | ✔ | ✔ | AP203, 214, 242(some parts)
IGES | ✔ | ✔ | v5.3
OpenCascade BREP | ✔ | ✔ |
OBJ | ✔ | ✗ | Requires OpenCascade ≥ v7.4.0
STL | ✔ | ✔ | ASCII/binary
# Build instructions
Mayo requires Qt5 and OpenCascade-7.3.0
Although only tested with VC++/Windows it should build fine on Linux and MacOS.
It uses the `CSF_OCCTIncludePath` and `CSF_OCCTLibPath` environment variables to locate
OpenCascade include and lib paths. On Windows these two variables are set by the `env.bat`
script which can be found within OpenCascade's base folder. You should run this batch before
building mayo :
`cd .../mayo`
`qmake`
`(n)make`
In case you don't want to run this file you can use the `CASCADE_INC_DIR` and `CASCADE_LIB_DIR` qmake
variables instead :
`qmake "CASCADE_INC_DIR=occ_include_dir" "CASCADE_LIB_DIR=occ_library_dir"`
To enable optional gmio library, add this option to the qmake command line:
`"GMIO_ROOT=path_to_gmio"`
# Screenshots
<img src="doc/screenshot_1.png"/>
基于OCC的3D查看器Mayo修改代码
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基于OCC的3D查看器Mayo修改代码 （601个子文件） 
cube.brep 5KB mayo_bezier_curve.brep 4KB moc_predefs.h.cbt 59B opencascade.conf 710B qt.conf 30B config 299B qrc_mayo.cpp 919KB qrc_mayo.cpp 919KB mainwindow.cpp 40KB io.cpp 33KB widget_properties_editor.cpp 28KB item_view_buttons.cpp 21KB test.cpp 19KB widget_model_tree.cpp 15KB gui_document.cpp 14KB dialog_inspect_xde.cpp 13KB theme.cpp 12KB widget_gui_document.cpp 12KB graphics_entity_driver.cpp 11KB widget_clip_planes.cpp 11KB moc_widget_shape_selector.cpp 10KB moc_widget_shape_selector.cpp 10KB application.cpp 9KB widget_model_tree_builder_xde.cpp 9KB moc_application.cpp 8KB moc_application.cpp 8KB moc_document.cpp 8KB moc_document.cpp 8KB widget_shape_selector.cpp 8KB widget_occ_view_controller.cpp 7KB moc_v3d_view_controller.cpp 7KB moc_v3d_view_controller.cpp 7KB moc_task_manager.cpp 7KB moc_task_manager.cpp 7KB dialog_export_options.cpp 7KB xcaf.cpp 7KB unit_system.cpp 7KB document_tree_node_properties_providers.cpp 7KB qwidget_utils.cpp 7KB main.cpp 7KB dialog_task_manager.cpp 6KB moc_gui_document.cpp 6KB moc_gui_document.cpp 6KB moc_gui_application.cpp 6KB moc_gui_application.cpp 6KB dialog_options.cpp 6KB document.cpp 5KB moc_application_item_selection_model.cpp 5KB moc_application_item_selection_model.cpp 5KB occt_window.cpp 5KB graphics_utils.cpp 5KB ais_text.cpp 5KB dialog_save_image_view.cpp 5KB moc_widget_file_system.cpp 5KB moc_widget_file_system.cpp 5KB moc_item_view_buttons.cpp 5KB moc_item_view_buttons.cpp 5KB mesh_utils.cpp 5KB button_flat.cpp 5KB moc_widget_message_indicator.cpp 5KB moc_widget_message_indicator.cpp 5KB moc_property.cpp 5KB moc_property.cpp 5KB moc_messenger.cpp 4KB moc_messenger.cpp 4KB widget_file_system.cpp 4KB moc_settings.cpp 4KB moc_settings.cpp 4KB string_utils.cpp 4KB moc_mainwindow.cpp 4KB moc_mainwindow.cpp 4KB qt_utils.cpp 4KB task_manager.cpp 4KB proxy_styled_item_delegate.cpp 4KB moc_button_flat.cpp 4KB moc_button_flat.cpp 4KB unit.cpp 4KB gui_application.cpp 4KB occt_enums.cpp 4KB qtgui_utils.cpp 3KB widget_message_indicator.cpp 3KB graphics_tree_node_mapping.cpp 3KB item_view_utils.cpp 3KB property_enumeration.cpp 3KB moc_widget_occ_view_controller.cpp 3KB moc_widget_occ_view_controller.cpp 3KB moc_win_taskbar_global_progress.cpp 3KB moc_win_taskbar_global_progress.cpp 3KB gui_document_list_model.cpp 3KB moc_dialog_save_image_view.cpp 3KB moc_dialog_save_image_view.cpp 3KB moc_dialog_task_manager.cpp 3KB moc_widget_gui_document.cpp 3KB moc_dialog_task_manager.cpp 3KB moc_widget_gui_document.cpp 3KB moc_dialog_inspect_xde.cpp 3KB moc_widget_clip_planes.cpp 3KB moc_widget_clip_planes.cpp 3KB moc_dialog_inspect_xde.cpp 3KB moc_widget_model_tree.cpp 3KB共 601 条
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资源评论
迷路的老男孩2023-05-31这个资源编译有点难改啊，改了工程属性的QT和OCC路径还是不行，最后自己用QT编译了，QT只需要小改一下
