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HISTORY
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Vrui change log
===============
Vrui-1.0-030:
- Beginning of history file
Vrui-1.0-031:
- Added image handling library (libImages) with PNG and JPEG support
- Added vislet plug-in API to Vrui to handle dynamic loading of
visualization plug-ins into unaware Vrui applications.
- Added prototype offset tool to translate the position of any input
device by a fixed vector and replicate one device button to the offset
device.
Vrui-1.0-032:
- Changed build system and some sources to provide preliminary support
for Mac OS X.
- Requires OS version 10.4.
- Requires X11 emulation.
- Can be configured to use Apple's OpenAL package.
- Can be configured to use libpng for PNG image file support and
libjpeg for JPEG image file support.
- Removed plug-in handling from Misc library and moved it to Plugins
library to remove dependency of Misc on libdl.
- Factory and FactoryManager moved from namespace Misc to namespace
Plugins.
Vrui-1.0-033:
- Changed behavior of Vrui windows to provide a consistent window into
the virtual world by panning their viewports across the maximum
viewport defined by the display containing the window.
- Still need to fix MouseNavigationTool such that it rotates/scales
around the current window center instead of the display center.
- Should change panning behavior to move a VRScreen inside the bounds
of the screen given in the configuration file instead of moving the
window inside the screen -- will simplify integrating moving windows
with other parts of Vrui.
- Changed behavior of modifier keys inside InputDeviceAdapterMouse such
that buttons and button keys are "sticky" when changing the current
button set with a modifier key.
- Added navigation/virtual device tool to better integrate SpaceBall
input devices into Vrui.
- Should implement generic HIDNavigationTool to convert valuators into
arbitrary translational/rotational axes.
Vrui-1.0-034:
- Improved build system to better handle debug and release versions of
the toolkit in the same installation directory; example application
makefiles now respect DEBUG make parameter.
- Started adding a very preliminary user's manual and library
documentation in HTML format in the Documentation directory.
Vrui-1.0-035:
- Added new barrier class to Threads library.
- Initial support for multi-threaded rendering to optimally use shared-
memory multipipe rendering systems such as SGI PRISMs.
- New windowsMultithreaded flag in Vrui root section to switch from
sequential multiwindow to parallel multiwindow rendering.
- Fixed OpenGL extension handling for the Mac OS X version.
- Improved behavior of panning viewport windows by relating mouse
navigation to the current window center.
- Fixed long-standing bug in font rendering when using convolution to
perform antialiasing.
Vrui-1.0-036:
- Added Mac OS X support to Misc::LargeFile class.
- Changed plug-in interface to use generic creator/destructor function
names instead of class-specific names.
- Added cross-platform support to create plug-in modules to makefile
fragment.
- Added several OpenGL extensions to GLExtensionManager.
- Added example program showing how to create application-specific tool
classes and register them with the Vrui tool manager.
Vrui-1.0-037:
- Changed API of GLFont to report average character width.
- Changed API of GLMotif::TextField to automatically format numerical-
value fields.
- Temporarily changed RayMenuTool and RayScreenMenuTool to double as
widget tools by setting interactWithWidgets to true in their
configuration file sections.
- Added new lower-resolution fonts (*12.fnt) that look better on low-
resolution displays and in desktop environments.
Vrui-1.0-038:
- Small improvements in Vrui's desktop embedding.
Vrui-1.0-039:
- Fixed typo in error message strings for Threads::Thread exception
classes.
- Added support for thread-local storage using POSIX TLS mechanism to
Threads library.
- Fixed bug in multithreaded rendering: current GLContextData object and
current GL extension objects were stored process-global instead of
local to each rendering thread.
- Seems to fix crashes when using OpenGL extensions and lock-ups when
exiting Vrui applications in multithreaded environments.
- Changed destination directory for plug-ins during build from Share to
library directory.
- Updated Vrui.cfg and VRDevices.cfg to most recent settings from IDAV
and KeckCAVES VR environments. Supported environments:
- Power wall in IDAV main lab (anaglyphic stereo or mono, with
spaceball)
- Tiled display wall in IDAV VR lab (with optional VR binoculars)
- Responsive workbench in IDAV VR lab (with new low-cost DLP
projector)
- KeckCAVES
- Desktop simulator with optional spaceball, optimized for 20" LCD
Vrui-1.0-040:
- Fixed bulk data transfer in Comm::MulticastPipeMultiplexer. Can now
reliably send large amounts of data across the broadcast/multicast
connection. Throughput for 100Mb/s Ethernet is stable at 11.34MB/s,
throughput for 1Gb/s Ethernet is fluctuating up to 91.4MB/s.
- Changed SpaceBallNavigationTool to additionally allow zooming.
- Changed build system to allow per-package compiler flags.
- Improved desktop embedding:
- Windows in panningViewport can be configured to keep the tool kill
zone in a fixed user-specified position when moved/resized.
- Windows in panningViewport moved can be configured to move the 3D
scene along with them.
- Mouse navigation in panningViewport windows zooms around the window
center and dollys in a line from the eye to the window center
- Changed API of Vrui::ToolManager and Vrui::ToolKillZone.
- Added function to Vrui.h to concatenate navigation transformations
from the left.
- Added function to Vrui.h to detect whether the local node is the
master (i.e., a single node or the head node of a cluster).
- Added Laserpointer tool to simplify pointing out features in 3D
displays (no more need to abuse the ray menu tool).
- Provided new navigation tool for desktop input devices such as
joysticks and spaceballs. Supercedes previous JoystickNavigationTool
and SpaceballNavigationTool.
- Fixed bug in VRWindow that reported a wrong window center in
SplitViewportStereo windows.
- Added option that InputDeviceTools create their own virtual input
devices when created.
- Rolled in most recent Mac OS X changed provided by Braden Pellett.
- Now supports HID devices using Mac OS X's HID API.
Vrui-1.0-041:
- Added library interdependencies to makefile to allow parallel build
using make -j <numjobs>.
- Added required environment variable for Mac OS X builds to Vrui
makefile fragment.
- Fixed bug in Comm::MulticastPipeMultiplexer causing a segmentation
fault when slaves are waiting on an empty send queue.
- Added new method to class Rotation that creates a rotation
transforming a "from" vector into a "to" vector.
- Added ValueCoder class for class Plane to geometry library.
- Added forward direction to Vrui environment state to help applications
that need a general direction pointing "into" the VR environment. Can
be queried using the Vrui::getForwardDirection() function.
- Added floor plane equation to Vrui environment state to help
applications that want to have a user walk on a virtual environment,
for example. Can be queried using the Vrui::getFloorPlane() function.
- Added WalkNavigationTool class to navigate immersive VR environments
by walking and gaze direction.
- Added accessor methods to Vrui::Glyph.
- Added generic waldo tool to scale translations and rotations of 6-DOF
input devices (generalization of WaldoLocatorTool and
WaldoDraggingTool).
- Added facilities for automatic garbage collection using reference
counting to Misc library (classes RefCounted and Autopointer), and
a thread-safe version of RefCounted class to Threads library.
- Added code to Vrui.General.cpp to re-normalize navigation
transformation on every set... and concatenate... call.
- Fixed a leftover bug in Misc::MulticastPipeMultiplexer that prohibited
opening/closing pipes dynamically and broadcasting high-bandwidth bulk
data. Multicast pipes now get average transfer rates of about 70MB/s
on 1Gb/s Ethernet, and are reliable to use for application-level data
streaming.
- Added shift() method to Geometry::Box to shift boxes by a given offset
vector.
- Fixed synchronization bug in Vrui: application time was only
synchronized after the first complete frame.
- Added isJoined() method to Threads::Thread.
- Added Vrui::Rotation class to Vrui/Geometry.h, to create a shortcut
when writing rotation code.
- Added Misc/Utility.h header file containing basic helper functions.
- Improved Geometry::Polygon class. Now has robust point-in-polygon test
for 2- and 3-dimensional general polygons.
- Improved Comm::TCPSocket class (reduced latency/increased through-put)
by adding methods to enable/disable TCP_NODELAY or TCP_CORK. TCP_CORK
momentarily only supported by Linux kernels >= 2.4.
- Added configuration file setting to specify the UDP port to use on a
multicast master, to simplify getting through firewalls. Still
defaults to dynamic port assignment by the OS.
- Changed Vislet API to allow vislet classes to read default settings
from the Vislet manager's section in the Vrui configuration file.
- CAVERenderer vislet class now reads texture file names and
rendering settings from configuration file; can still be overridden
by command line parameters.
- Added Vrui::getVisletManager(void) function to Vrui kernel
interface in Vrui/Vrui.h.
- Added shutdown method to Comm::TCPSocket to selectively close the
read or write direction of a connected socket.
- Slightly changed error handling in Comm::TCPSocket blocking read and
write to more reliably detect unexpected socket closures.
- Fixed Mac OS X version of HIDDevice input device driver module by
filtering out non-axis device capabilities (fix by Braden Pellett).
- Added clarification comment about Vrui::openPipe() returning NULL in
non-cluster environments to Vrui/Vrui.h
- Added header file Vrui/ClusterSupport.h with helper functions to
simplify writing cluster-aware applications.
- Finally fixed Vrui::WaldoTool to behave as expected.
- Fixed access privilege bug in converting copy constructor of
Geometry::AffineTransformation.
- Fixed several bugs in Comm::MulticastPipeMultiplexer, but still not
working reliably.
- Changed Vrui's shutdown behavior. Previous implementation destroyed
Vrui state before an application object's destructor was called,
leading to persistent crashes on shutdown. New approach has explicit
deinit() function. This change is transparent to applications using
the application object interface.
- Changed Vrui's internal cluster communication protocol to flush the
internal multicast pipe as early in the frame as possible to increase
parallelism between the master and the slaves.
- Added "multipipeRemoteCommand" setting to Vrui configuration file to
select the command used to start slave application instances
(defaults to "ssh").
- Changed order of Vrui state elements and initialization from
configuration file. Now properly reads physical unit size before
reading other sizes depending on it.
- Supported more key names in Vrui::InputDeviceAdapterMouse. Now
covering most keys on standard keyboards.
- Added a reference page listing all settings in the Vrui
configuration file to the HTML documentation.
- Enabled spinning animation for Vrui::MouseNavigationTool.
- Added Comm::ClusterPipe abstraction for transparent TCP communication
between clusters connected via Comm::MulticastPipeMultiplexer.
- Changed Comm::TCPSocket to optionally fall back to returning dotted
addresses if the peer's host name cannot be resolved instead of
throwing an exception. Default behavior is still to throw.
- Finished implementing behavior of Vrui::VRWindow for desktop
environments where panningViewport and navigate are enabled.
Navigation coordinates scale with the window size, and Vrui's display
center and size are updated such that applications can center their
displays properly.
- Added input device adapter to support the (proprietary) head tracker
on VisBox and VisWall immersive environments.
- Added Vrui::ButtonInputDeviceTool to manipulate virtual 6-DOF input
devices using keyboard keys or other buttons.
- Added Vrui::ToolKillZoneFrustum to simplify deleting tools in a
desktop environment.
- Added facility to draw fake mouse cursors to
Vrui::MouseNavigationTool.
- Replaced Images::RBGImage class with a templatized base class
Images::Image and specialized derived classes for RGB and RGBA images.
- Added function to read Xcursor cursor files in Images/ReadImageFile.h.
- Added missing template instantiation of value coder class for
Geometry::ComponentArray to Geometry/GeometryValueCoders.
- Fixed crash in Images::readImageFile when reading a PNG image with
alpha channel into an RGB image.
Vrui-1.0-042:
- Extended use of GLMotif::StyleSheet to assign default attributes
during widget creation. Deprecated widget constructors that expect
certain attributes (such as fonts) as arguments; all initialization
now done through the widget manager's style sheet.
- Added GLMotif::SubMenu class to more elegantly handle cascading pop-
up menus.
- API change in GLMotif::StyleSheet: public element sliderWidth is now
called sliderHandleWidth. Client code should stop using the now
deprecated method passing sliderWidth into the GLMotif::Slider
constructor and use the new constructor instead.
- Added convenience method to add new toggle buttons to
GLMotif::RadioBox and finished interface to completely handle radio
buttons using indices.
- Added Vrui::TransparentObject as a base class for objects that need
a second rendering pass to render transparency. Transparency pass is
called in physical coordinates, with alpha blending enabled and the
depth buffer locked, after the application's display function.
- Added per-chunk functor applicator to class Misc::ChunkedArray.
- Fixed shutdown behavior in Vrui; closes VR windows and destroys
context data items before returning from the main loop.
- Fixed layout bug in GLMotif::Slider: calcZRange method used sliderbox
and shaftbox before they were properly initialized.
- Fixed wrong setting names for Frustum tool kill zones in Vrui
configuration file.
Vrui-1.0-043:
- Added Images/GetImageFileSize containing a function to read the size
of an image file without having to read the entire image.
- Added getNode() method to Geometry::ArrayKdTree.
- Fixed method scope in GL/GLTransformationWrappers.cpp.
- Added GLFrustum class for software-based frustum culling and LOD
calculation to GLGeometryWrappers library.
Vrui-1.0-044:
- Changed BuildRoot/Packages to make it clearer how to find libraries
in non-standard locations.
- Added Geometry/Random.h with functions to create random points and
vectors such as random unit vectors or normally-distributed error
vectors.
- Removed superfluous semicola from all C++ files to get rid of warnings
when compiling with -pedantic.
- Changed return type of (obsolete) glGetFunctionPtr in
GL/GLExtensions.h from object pointer to function pointer.
- Added indirection workaround when using dlsym() to get rid of warnings
when compiling with -pedantic to Plugins/FactoryManager and
VRDeviceDaemon/VRFactory.cpp.
- Moved all Vrui tool plug-ins to Vrui/Tools directory.
- Fixed problem when trying to exit a window-less Vrui application
instance; now prints note and exits on ESC (or any other) key.
- Redesigned Vrui cluster startup process to send the application's
command line via a multicast pipe instead of the remote login
command's command line to get around command line length limitations
and double-globbing.
- Added simple timeout mechanism to Comm::MulticastPipeMultiplexer to
detect communication failures or master node crashes from the slaves
(to shut them down reliably in case of cluster failure).
- Added spinThreshold setting to Vrui::MouseNavigationTool. Spinning
animation is only enabled if the mouse moved by more than the given
threshold on the screen, measured in physical coordinate units.
- Added invertDolly flag to Vrui::MouseNavigationTool to invert the
switch between dolly and zoom mode for those who are so inclined.
- Added extension class for the GL_EXT_framebuffer_object OpenGL
extension.
- Fixed bug in Images::writeImageFile: PNG images were shifted downwards
by one pixel row.
- Added descriptions to many Vrui configuration file options in Vrui
configuration file reference HTML page.
- Added HTML page describing the Vrui input model to documentation.
- Added OpenGL extension class for GL_NV_point_sprite.
- Added OpenGL extension class for GL_ARB_point_sprite.
- Added virtual Jell-O example program to Vrui release. Contains several
versions of the same program to show how to develop cluster-aware
multithreaded applications.
- Changed makefile in ExamplePrograms to use pattern rules.
Vrui-1.0-045:
- Fixed bug in clipping algorithm in Geometry::Polygon.
- Added extension class for GL_ARB_shader_objects.
- Added extension class for GL_ARB_vertex_shader.
- Added extension class for GL_ARB_fragment_shader.
- Fixed typo in Misc::File::WriteError.
- Added Misc::MemMappedFile class to provide a Misc::File wrapper around
blocks of memory or memory-mapped files.
- Added Comm::TCPPipe to provide an endianness-safe pipe abstraction
over TCP sockets.
- Fixed missing endianness conversion in std::string read/write methods
in Comm::ClusterPipe.
- Added glCompileShaderFromFile() convenience function to
GLARBShaderObjects extension class.
- Changed API of Comm::TCPPipe to allow explicit specification of
network endianness during construction.
- Fixed bug in wrong endianness conversion in Comm::TCPPipe's write()
methods.
- Added VR device driver for Vicon Tarsus optical tracking system.
- Added resize() method to Images::Image; currently uses bilinear
interpolation and clamps against image borders.
- Added getAddress() and getHostname() methods to Comm::TCPSocket to
retrieve the dotted IP address and resolved host name of the local
socket.
- Added mutex to Vrui state to protect asynchronous calls to
Vrui::requestUpdate from multiple background threads.
- Added GL/GLShader, a convenience class for simple GLSL shaders
compiling any number of vertex and fragment shaders into a single
program object.
- Changed implementation of Vrui::VRWindow to pass eye position into
private render function instead of eye index; API unchanged.
- Added Autostereoscopic rendering capability to Vrui::VRWindow.
Vrui-1.0-046:
- Fixed include file names in Geometry/Cone.h; was obviously never used
or compiled.
- Added missing include file to GL/Extensions/GLARBVertexShader.h
Vrui-1.0-047:
- Added automatic detection of compiler version (works for gcc/g++) to
BuildRoot/SystemDefinitions. Sets proper values for COMPILERTYPE and
DEPFILETEMPLATE, and adds -ffriend-injection compiler flag for gcc
versions 4.1.0 and up.
- Fixed Vrui::InputDeviceDataSaver, did not store number of input
devices.
- Added value coder method for Geometry::OrthogonalTransformation to
Geometry/GeometryValueCoders.h.
- Changed transform calibrator in VR device daemon to use orthogonal
transformations to allow coordinate scale transformations.
Vrui-1.0-048:
- Removed definitions of __LITTLE_ENDIAN and __BIG_ENDIAN from the
compiler command lines and from BuildRoot/SystemDefinitions and
BuildRoot/BasicMakefile. Now uses endian.h header files found on Linux
and Mac OS X. This affects all applications that directly query the
value of the endianness #define macros.
- Added short-valued GLColor class and conversion operators from/to
short-valued colors to standard instantiations.
- Created new tool base class for transforming tools (offset tool, waldo
tool) to Vrui tool hierarchy.
- Added clutch tool that does not affect the controlled device's
transformation while a clutch button is pressed.
- Added Misc::FileLocator, a helper class to find files based on a list
of search paths. Contains methods to construct search paths for
Mac OS X application bundles (and implies bundle structure for Linux
applications).
- Added missing include file GL/GLVertexArrayTemplates.h to
GL/GLGeometryWrappers.h.
- Fixed wrong comment in Vrui/Tools/MouseNavigationTool.h.
- Removed extra forward declaration from Vrui/Tools/MeasurementTool.h.
- Added option of multiple DSO search paths to Misc::FactoryManager by
using a Misc::FileLocator. Constructor splits DSO name template into
base directory and name template, and initializes the FileLocator with
the base directory.
- Added multiple search paths to Vrui tool manager and vislet manager.
The tool manager reads an optional "toolSearchPaths" setting from the
configuration file and adds all directories to the search list after
the default directory parsed from the tool DSO name template; the
vislet manager does the same by reading a "visletSearchPaths" setting.
- API change in Vrui kernel: Vrui::setMainMenu now takes a pointer to
GLMotif::PopupMenu instead of GLMotif::Widget. Should not cause
problems with existing applications, since all are supposed to use
PopupMenus as their main menu shells anyways.
- Added "Vrui System Menu" that is either installed as the main menu, or
automatically added as a submenu to any application-provided main
menus. Vrui system menu content currently functionless; will be filled
in later.
- Fixed missing virtual destructor declaration in
Misc::HashTable::EntryNotFoundError; caused problem when declaring
hash tables from std::string due to wrong throw() specification.
- Changed API of Geometry::SplineCurve: Now has constructor that
automatically creates appropriate knot vectors.
- Fixed bug in Images::Image::resize method; would not actually write
resized image data.
- Removed superfluous include file Images/RGBImage.h from
Vrui/Tools/MouseNavigationTool.cpp.
- Added new "newbie-friendly" mouse navigation tool to Vrui tools. It
uses a single button on a mouse and a dialog box to switch navigation
modes between rotating, panning, dollying, and scaling. The tool's
configuration file settings are mostly identical to those of the old
MouseNavigationTool.
- Some updates to Vrui HTML documentation.
- Added OpenGL extension class for GL_EXT_texture_cube_map.
- Added OpenGL extension class for GL_ARB_texture_compression.
- Added OpenGL extension class for GL_EXT_texture_compression_s3tc.
- Fixed offset option of OffsetTool classes in Vrui.cfg configuration
file.
Vrui-1.0-049:
- Added VR device driver for raw Vicon Tarsus real-time data stream.
- Added navigation tool for multiple 3-DOF devices.
- Fixed misleading variable name in Vrui::MeasurementTool.
- Added file logging mechanism to Vrui::MeasurementTool. Controlled by
class settings of MeasurementTool.
- Added variable marker sizes to Vrui::MeasurementTool. Size defaults
to the previous setting.
- Added ViewpointSaverTool to save viewpoints in an environment-
independent format.
- Added ViewpointFileNavigationTool to play back viewpoints previously
saved with a ViewpointSaverTool.
- Added CurveEditorTool to define 3D polynomial curves in Hermite
format.
- Modified ViewpointSaverTool to store interval times for each
viewpoint.
- Added DenseMatrix helper class to Vrui/Tools directory; used by
ViewpointFileNavigationTool class.
- Modified ViewpointFileNavigationTool to read viewpoints with interval
times, and animate the viewpoint sequence using a C^2-continuous cubic
spline.
- Added dependency lines for Vrui tools derived from TransformTool to
makefile.
- Modified CurveEditorTool to create/edit viewpoint animations using
C^2-continuous cubic splines.
- Modified ViewpointFileNavigationTool to read viewpoint animations as
written by CurveEditorTool.
- Fixed bug in GLMotif::Slider when slider's value increment is 0.
- Added Vrui::getMainPipe() method to Vrui kernel API; returned pipe is
for simple synchronous cluster communication inside an application's
(or a tool's) frame method; user must call finishMessage() when done.
- Added safeguard to Vrui main frame method to call finishMessage() on
Vrui's main pipe in case an application forgets to do so.
- Changed Vrui.cfg to reflect most recent settings.
Vrui-1.0-050:
- Added Vrui::CoordinateManager to support scale bars and other
application-independent navigation support.
- Added function to retrieve pointer to coordinate manager to Vrui
kernel API.
- Added Vrui::HelicopterNavigationTool to navigate using a simplified
helicopter flight model.
- Changed Vrui initialization sequence to call initContext() method on
all GLObject-derived objects created in application constructor
before the frame() method is called for the first time.
- Added page describing GLContextData and GLObject from Vrui web page
to documentation directory.
- Added atan2 function to Math/Math.h.
- Added handling of relative axes to HIDDevice VR device daemon module;
removed "Abs" from AbsAxisSettings and AbsAxisConverter classes to
reuse them for relative axes as well.
- Added flag to Vrui::DesktopDeviceNavigationTool to invert navigation
behavior from configuration file.
- Added methods to access entire image data to Images::Image class.
- Optimized several oft-used methods in Geometry::Box class.
- Changed line and marker colors in Vrui::MeasurementTool to always
contrast the background color.
- Added Vrui::ComeHitherNavigationTool, to smoothly move the position
and orientation of an input device to the display's center.
- Made Vrui::MouseTool a subclass of Vrui::TransformTool to clean up
tool selection menu.
- Added new variables VRUI_TOOLSDIR and VRUI_VISLETSDIR to Vrui
makefile fragment to allow client application to find plug-in DSOs
for pre-linking.
- Added Misc::SelfDestructPointer, a simple class for self-deleting
pointers in cases where Misc::Autopointer's functionality is not
required.
- Added autoScreenSize flag to Vrui::VRWindow initialization; if set to
true, determines physical monitor size via X11 and adjusts the
configured size of the window's associated VR screen(s).
- Changed Vrui.cfg file to automatically detect screen size.
- Reordered user interface in Vrui::CurveEditorTool.
- Fixed Vrui::ScreenLocatorTool to use same projection formula as
Vrui::MouseTool; can now be used as replacement in most programs.
- Moved all Vrui tool classes to Vrui/Tools directory.
- Fixed some inconsistencies in makefile.
- Added different floating-point formatting modes to GLMotif::TextField
to improve displays of very large or small numbers.
- Improved display and file output in Vrui::MeasurementTool.
- Added Misc::createNumberedFileName, a helper function to create
unique file names based on a base file name.
- Added configurable curve file name and handle sizes to
Vrui::CurveEditorTool.
- Changed Vrui::MeasurementTool, Vrui::ViewpointFileSaverTool, and
Vrui::CurveEditorTool to save to uniquely named files.
- Changed Vrui::VRWindow to save screen shots to uniquely named files.
- Added buttons to load, store (save and push) and restore (pop)
navigation transformations to Vrui system menu. Navigation
transformations are saved in an environment-independent format.
- Quit button in Vrui system menu now actually quits from the
application.
- Fixed bug in GLMotif::Menu when adding new menu entries to an already
managed menu (used to cause vertical offsets in new entries).
- Added new tool base class UserInterfaceTool, derived MenuTool,
WidgetTool, and InputDeviceTool from it.
- Added new tool base class UtilityTool, derived all leftover tool
classes directly derived from Tool from it instead.
- Moved Vrui::TransformTool from a plug-in to the Vrui core DSO.
- Changed makefile and Vrui.cfg to reflect changes to tool hierarchy.
- Updated Vrui configuration files (Vrui.cfg and VRDevices.cfg) to
reflect newest environment settings.
- Changed name of default Vrui root section from "Simulator" to
"Desktop".
- Added missing Threads/Local.h, GL/GLFrustum.h, and GL/GLFrustum.cpp to
build / install portions of makefile.
- Moved directory containing MeshEditor sample application into
ExamplePrograms directory.
- Added simple VRML viewer to ExamplePrograms directory; shows how to
layer a scene graph on top of Vrui.
- Updated README file.
- Added workaround for OpenGL linking problem under Mac OS X 10.5 to
makefile and Vrui makefile fragment.
- Added missing Vrui tool header installation script.
- Added (experimental) code to makefile to automatically detect the
presences of libpng, libjpeg, and OpenAL.
- Fixed bug in VRWindow's automatic screen size adjustment code and
added method to update the navigation transformation if the display
size changed.
- Added method to GLMotif::Menu to query the index of a menu entry by
its widget pointer.
- Replicated GLMotif::Menu's API to GLMotif::SubMenu.
- Added option to draw GLMotif widgets in an overlay layer on top of
other 3D graphics. Option is enabled by setting drawOverlayWidgets
option to true in the widget section in Vrui's configuration file.
- Improved build system: Can now find libraries in a list of base
directories by searching for header and dynamic library files.
Currently only works if library headers and DSOs are installed under
a common base directory. Added autosearch facility for packages PNG,
JPEG, and OPENAL.
- Make variables to include support for PNG, JPEG, and OpenAL in Vrui
applications now depend on automatic search results; should work in
all realistic cases.
- Fixed bug in VRMeshEditor example application; now looks for Vrui tool
headers in proper directory.
- Added entries to create and destroy virtual input devices to Vrui
system menu.
- Added widget interaction capability to MouseNavigationTool as an evil
hack until a better tool chaining model comes along.
- Disabled widget interaction capability in menu tools in Vrui.cfg.
- Changed default binding for MouseNavigationTool to use the "z" key for
panning and zooming/dollying instead of the middle mouse button, to
make it work out-of-the-box for those MacOS X users who do not have a
working middle mouse button. Added remark in configuration file on how
to enable the middle mouse button.
- Added "popWidgetsOnScreen" flag to Vrui configuration file to always
align primary widgets with the screen plane, improving display in
desktop environments.
- Added documentation page on how to configure desktop input devices
like joysticks or spaceballs for use with Vrui applications.
- Improved documentation page on using Vrui applications.
- Fixed bugs in Vrui::InputDeviceDataSaver and
Vrui::InputDeviceAdapterPlayback. InputDeviceDataSaver now writes to
unique numbered file on each execution.
- Changed key handling in Vrui::InputDeviceAdapterMouse and
Vrui::VRWindow to ignore modifier keys for key mapping, i.e., using
modifier keys as Vrui modifier keys now has the intended effect.
- Ported automated library finder from csh to bash; csh not installed by
default on newer systems.
- Fixed library finder invocation in BuildRoot/Packages; used to rely on
"." being in the user's path. Now uses full path name based on
$PACKAGEROOT.
- Added Vrui-wide command line parameter -loadView <viewpointFile> to
load viewpoint files in the format as saved by the Vrui system menu.
Viewpoint files are loaded at the beginning of the startDisplay
function, overriding any navigation transformations set in a Vrui
application's constructor.
- Fixed behavior of Vrui::InputDeviceAdapterMouse for mice with more
than three buttons via changes in Vrui::VRWindow.
- Changed Vrui::ViewpointFileNavigationTool to deactivate when paused.
- Ran valgrind on ShowEarthModel; added missing initializations to
GLMotif::Widget.
- Fixed bug in Vrui::ViewpointFileNavigationTool that led to a crash
when no viewpoint file was loaded.
- Added version of widget traversal algorithm for non-const traversal
functors to GLMotif/WidgetAlgorithms.
Vrui-1.0-051:
- Fixed null pointer bug when the master of a cluster rendering system
does not have a defined HOSTNAME.
- Added methods to query widget colors to GLMotif::Widget.
- Added method to query window title to GLMotif::PopupWindow.
- Fixed catastrophic typo in makefile: used result from PNG check for
both PNG and JPEG support, leading to build failure when only libpng
is present on a host system.
- Fixed ray intersection instability in GLMotif::Widget: ray
intersection result might have been invalid due to numerical round-off
for zero-thickness widgets.
- Added EyeRayTool to set ray direction of input device to sight line
from main viewer.
- Removed superfluous #include <vector> from GL/GLContextData.h and
#include <GL/GLObject.h> from GL/GLContextData.cpp.
- Copied context management mechanism from GL support library to AL
support library as basis for proper sound support in Vrui. Created
ALObject and ALThingManager and updated ALContextData.
- Added Vrui::Listener class as analog to Vrui::Viewer for sound.
- Added Vrui::SoundContext class as analog to Vrui::VRWindow for sound.
- Added proper calls to sound rendering functions to inner loops in
Vrui.Workbench.cpp.
- Added sound processing to VruiState::sound method.
- Fixed JPEG autodetection bug in makefile.
- Fixed ray direction calculation in EyeRayTool.
- Added option to use eye line from main viewer instead of device's ray
direction to RayMenuTool and RayScreenMenuTool.
- Changed all references to "Simulator" in Vrui configuration file to
"Desktop" for better consistency.
- Added support for stereo rendering compatible with Texas Instruments
"3D DLP" projectors, as used in Samsung or Mitsubishi 3D TVs. Selected
in Vrui configuration file by setting the window's windowType to
InterleavedViewportStereo.
- Slightly improved rendering on autostereoscopic display by reading the
number of viewing zones, and the viewport tiling layout, from the Vrui
configuration file.
- Fixed missing initialization in Vrui::RayMenuTool.
- Added isManaged() and isVisible() methods to GLMotif::WidgetManager.
Vrui-1.0-052:
- Changed array kd-tree construction method to use std::nth_element.
instead of the home-grown equivalent; some speed-up.
- Removed some superfluous #include directives from GLMotif/Slider.cpp.
- Added ScrollBar class to GLMotif, to act as a component for scrolled
widgets such as list boxes.
- Added convenience functions to GLARBShaderObjects, GLARBVertexShader,
and GLARBFragmentShader GL extension objects to simplify compiling and
linking GLSL shaders.
- Added extension class for GL_ARB_depth_texture OpenGL extension.
- Added extension class for GL_ARB_shadow OpenGL extension.
- Added initial implementation of ListBox class to GLMotif.
- Fixed numerical value display in Vrui::CurveEditorTool.
- Added Arrow, a helper class to render different styles of arrows, to
GLMotif.
- Changed GLMotif::CascadeButton to use the GLMotif::Arrow helper class.
- Changed GLMotif::CascadeButton's arrow to be an "innie" instead of an
"outie."
- Added getChild() method to GLMotif::RowColumn to retrieve a pointer to
a child widget based on its index.
- Added dropdown box widget to GLMotif.
- Improved appearance of title-less popups by removing superfluous title
separator.
- Added getMarginWidth() method to GLMotif::Label.
- Fixed popup size and depth offset and list item margins in
GLMotif::DropdownBox.
Vrui-1.0-053:
- Added "home" button to Vrui::DesktopDeviceNavigationTool to reset a
lost virtual input device back to its initial position.
- Added OrderedTuple class to Misc library to act as hash keys.
- Added UnorderedTuple class to Misc library to act as hash keys.
- GLFont class now uses alpha component in text foreground/background
colors and uploads string textures as RGBA; enables transparent text.
- Had to remove std::nth_element from kd-tree again to get around an
ambiguity between std::swap and Misc::swap that shouldn't even exist.
- Re-enabled std::nth_element in ArrayKdTree by not including
Misc/Utility.h. Still no clue why Misc::swap is ambiguous with
std::swap.
- Added explicit connect() method to Comm::UDPSocket to set/change the
association of a UDP socket after creation.
- Added default constructors creating invalid sockets to Comm::UDPSocket
and Comm::TCPSocket.
- Added class Comm::FdSet to simplify using the select() and pselect()
system calls.
- Added getHeadlight() method to Vrui::Viewer; returns const reference
to viewer's lightsource object.
- Added compiler macro to switch between std::nth_element and own
routine more easily; std::nth_element is current default.
- Added redundant element initialization in constructors for
GLMotif::Widget and GLMotif::Arrow to get around valgrind complaints.
- Flipped matrix traversal order in Geometry::Matrix copy constructor;
does not change anything, but might be marginally faster.
- Improved transition time calculation in
Vrui::ComeHitherNavigationTool, is now based on fixed max velocity and
transition distance, both in linear and angular space.
- Added ability to set and query Vrui's physical coordinate unit both in
imperial units (inches) and metric units (meters). Added meterScale
setting to Vrui's root configuration file section, and
getMeterFactor() function to Vrui's kernel API.
- Added Vrui::CoordinateTransform, base class for (non-linear)
coordinate transformations from Vrui's navigation space to "user
interest space." Coordinate transformation objects can be registered
with the Vrui coordinate manager, and are used by measurement tools to
report positions in coordinates of interest to the user of an
application, e.g., in geoid coordinates.
- Added Vrui::OrthogonalCoordinateTransform, a coordinate transformation
class for orthogonal transformations (translations, rotations, uniform
scalings).
- Added support for user-space coordinate transformations to
Vrui::MeasurementTool.
- Added Vrui::GeodeticCoordinateTransform, a coordinate transformation
class to convert from geocentric Cartesian coordinates to latitude,
longitude, elevation geodetic coordinates on a variety of geoids.
- Finally added operators + and += to GLMotif::ZRange to calculate the
union of two Z ranges; changed GLMotif classes to use the operators.
- Added GLMotif::Margin class, to pad a widget against resizes of its
parent widget.
- Improved build system on Mac OS X by sorting library dependencies
before expanding a dependency's library names.
- Added missing return statement to non-Linux versions of
Comm::TCPSocket::getCork().
- Fixed typo in Misc/ConfigurationFile.cpp.
- Removed extraneous data copy when creating kd-tree of cell centers in
VRDeviceDaemon's curvilinear grid class.
- Added GLMotif::SingleChildContainer, a base class for container
widgets with a single child widget.
- Changed GLMotif::Margin to be a descendant of
GLMotif::SingleChildContainer.
- Added dirty flag and isDirty() method to Vrui::VRWindow to support new
algorithm to handle X events and multiple windows.
- Implemented new pipe-based event handling mechanism in Vrui main loop.
Improved reliability; multiple windows per node now work in blocking
mode, exit from windowless master nodes finally works. Code is
simpler, to boot. Paves the way for implementing event timers, as
well.
- Added check for valid input devices to Vrui initialization; shuts down
now when no valid input devices are found (used to cause segmentation
fault).
- Made internal changes to Misc::PriorityHeap's Iterator class and
added new method to remove arbitrary elements from a heap.
- Added first version of Misc::TimerEventScheduler, a class to
implement application-level timer events in GLMotif and Vrui.
- Added pointer to a Misc::TimerEventScheduler to GLMotif::WidgetManager
so that GLMotif widgets have a way to schedule and react to timer
events.
- Added a Misc::TimerEventScheduler to Vrui's kernel state, and a method
to retrieve a pointer to the scheduler to Vrui's kernel API.
- Added application timer event handling to Vrui's main loop.
- Added click-repeat using timer events to GLMotif::Slider.
- Primed Vrui's frame timer calculation to start with 1s per frame
instead of 0; should fix timing problems when applications use
Vrui::getCurrentFrameTime() during the first few frames.
- Added synchronization function to Vrui's private API to allow a
playback input device adapter to synchronize the sequence of Vrui
frames exactly to its saved input device data.
- Added quitWhenDone flag to Vrui::InputDeviceAdapterPlayback to shut
down the Vrui application when the end of input data is reached.
- Added synchronizePlayback flag to Vrui::InputDeviceAdapterPlayback
to replicate the timing of the saved input data as closely as
possible.
- Added Vrui/PrintInputDeviceDataFile.cpp, a utility program to dump
input device data files in the format used by Vrui's playback input
device adapter as human-readable text.
- Added a setting to throttle the frame rate of Vrui's main loop, mainly
to reduce the amount of input device data written to file while
recording a session, and to give the playback adapter breathing room
to synchronize playback to recording even if the playback system is
slower.
- Added requestScreenshot() method to Vrui::VRWindow to support movie
export from within a playback input device adapter.
- Added movie export facility to playback input device adapter; users
can specify a filename template for the resulting frames, and an
export frame rate. The exporter will take great care to take
screenshots at exactly the right times, even if Vrui's frame rate
varies.
- Added new constructor to Geometry::Polygon class that creates a vertex
array but does not initialize or copy the vertices.
- Added special handling for C escape sequences to
Misc::ValueCoder<std::string>. Recognizes all C escape characters
except octal and hexadecimal character codes.
- Fixed typo (signal instead of broadcast) in Threads::MutexCond.
- Improved handling of locks in Threads::MutexCond.
- Created new low-level sound library, primarily to support built-in
recording and playback of audio commentary with Vrui's input device
data saver and playback input device adapters.
- Made small improvements to Vrui build system.
- Brought Vrui HTML documentation up to date.
- Changed initialization of input device data saver in Vrui
configuration file; settings for Vrui::InputDeviceDataSaver now read
from its own separate configuration file section.
- Added automatic sound recording to Vrui::InputDeviceDataSaver.
- Added automatic sound playback to Vrui::InputDeviceAdapterPlayback.
- Added methods to create screens programmatically to Vrui::VRScreen.
- Added methods to create viewers programmatically to Vrui::Viewer.
- Added methods to override VR window's screen and viewer to
Vrui::VRWindow.
- Created ScreenshotTool to take screenshots from inside immersive
environments by using a virtual camera that overrides the screen and
viewer of a selected window on the master node.
- Changed ALSA sound code in Sound::SoundRecorder and Sound::SoundPlayer
to use older API version for backwards compatibility.
- Added forwarding VR device driver module to connect to VRPN servers.
Initial version works with the VRPN streaming server in OptiTrack's
rigid body toolkit, but has not been tested with any other VRPN
servers due to lack of access.
- Disabled mouse events in VR windows when no mouse input device adapter
is requested.
- Changed Vrui initialization order: Vrui's system menu is created after
vislets and their parameters have been read from command line.
- Added active flag and activation methods to Vrui::Vislet base class.
- Added vislet submenu to Vrui's system menu to enable / disable vislets
individually at run-time.
- Added enabling/disabling animation to Vrui CAVERenderer vislet.
- Fixed serious flaw in Comm::FdSet: file descriptor sets are now
cleared if select or pselect are interrupted before any events occur.
- Behavior change in Realtime::AlarmTimer: Used to be that a non-expired
timer could not be reset by arming it again; that was stupid. Now
arming an already armed timer will reset its expiration time.
armTimer() still returns false if the timer could not be armed for
whatever reason.
- Added VR device driver for Nintendo Wii controller to distribution;
gets built when the FindLibrary.sh scripts detects a user-level
Bluetooth library in either /usr or /usr/local.
- DeviceTest no longer prints any tracking information if no trackers
are present.
- Vrui screenshot tool now keeps virtual screen and main viewer
orthogonal to always create on-axis screenshots; what you see through
the frame is exactly what you get.
- Removed pad flag from GLMotif::Margin class and added independent
horizontal and vertical stretching modes.
- Added click-repeat behavior to GLMotif::ScrollBar.
- Increased click-repeat speed for GLMotif::Slider and
GLMotif::ScrollBar to 0.5s for first repeat, then 0.1s.
- Fixed two serious bugs in Vrui kernel: 1: slave nodes must not test
Vrui event pipe (it only exists on master); 2: slave nodes must
always run in continuous update mode (they always block on master
node update).
- Added -rootSection option to VRDeviceDaemon to specify which
configuration file section to use.
- Added option to flip Z components of positions to VRPNClient VR device
driver module to fix left-handed coordinate systems on the server
side.
- Added flag to enable interactive resizing to GLMotif::PopupWindow. If
enabled (currently the default for testing), users can resize windows
by dragging their borders.
- Split GLMotif::ListBox widget into two parts: basic list box without
scroll bars, and ScrolledListBox compound widget to implement basic
scrolling behavior.
- Created helper GLMotif::Alignment structure to store horizontal and
vertical alignments for objects inside larger frames.
- Changed API of GLMotif::Margin to use new GLMotif::Alignment
structure.
- Added per-row and per-column expansion weights and grid alignment to
GLMotif::RowColumn class. Default behavior identical to previous
version.
- Created compound GLMotif::ScrolledListBox class.
- Added getChildRow() and getChildColumn() methods to
GLMotif::RowColumn.
- Updated Vrui configuration file to simplify the steps required to get
a desktop input device such as a space ball to work.
- Did some updates and fixes in the Vrui HTML documentation.
- Added method to remove an entire row or column (for vertical or
horizontal orientations, respectively) of widgets from to
GLMotif::RowColumn.
- Added setTime() and getTime() methods to GLMotif::WidgetManager to
allow widgets to implement time-dependent behavior in a portable and
cluster-compatible manner.
- Added double-click behavior to GLMotif::ListBox; double click timeout
currently hardcoded to 0.25 seconds.
- Added getBorderType() method to GLMotif::Widget.
- Added methods to get/set the armed background color to GLMotif::Button
and made it safe to change a button's background color while armed.
- Made most set... methods of GLMotif::Widget virtual.
- Added methods to query the number of list items and to add another
list item to GLMotif::DropdownBox.
- Added methods to query margin width and spacing to GLMotif::RowColumn.
- Added a standard file selection dialog to GLMotif.
- Added deleteWidget() method to GLMotif::WidgetManager to safely delete
widgets even when called from inside a callback reacting to the same
widget.
- "Load View" button in Vrui system menu now brings up a file selection
dialog to select a previously saved viewpoint file.
- Added class GLMotif::Separator to visually separate adjacent
components in widget layouts.
- Split resizing flag in GLMotif::PopupWindow to separately toggle
horizontal and vertical resizing.
- Improved layout of Vrui measurement tool dialog.
- Changed default alignment of GLMotif::Label to left.
- Changed default alignment of GLMotif radio button toggles to left.
- Changed default menu entry border width to zero in
GLMotif::StyleSheet.
- Made GLMotif::FileSelectionDialog cluster-aware to work in the
presence of differing file systems on master and slave nodes.
- Added new dependency for Comm library to GLMotif (incurred by cluster-
awareness in GLMotif::FileSelectionDialog).
- Added code to synchronize changes to Vrui's navigation transformation
and/or display center or size across clusters, mainly to allow panning
and navigating windows on the master node of a cluster.
- Changed Vrui to load viewpoint file only on master node; automatic
synchronization takes care of rest of cluster.
- Created Misc::StringMarshaller class to simplify sending strings
across pipes represented by classes that support typed templatized
reads and writes.
- Added methods to send and retrieve entire configuration files across
arbitrary pipes supporting typed templatized read and write methods.
- Changed Vrui initialization code to send the Vrui configuration file
from the master node to all slave nodes to get around problem of
mismatching configuration files.
- Changed Vrui build system to better deal with missing OpenAL library
on host system.
- Fixed code opening configuration file in VRDeviceDaemon to work with
the updated Misc::ConfigurationFile class.
- Moved tool kill zone in default desktop configuration to lower-left
corner of window to make life easier for Mac users.
- Slightly improved "interleaved viewport" stereo rendering mode (for 3D
TVs) by using only a single framebuffer object and off-screen
rendering pass.
- Added pseudo target to print configuration options to makefile.
- Added template configuration file section for Nintendo Wii controller
to VRDevices.cfg.
- Added ability to define device glyphs to
Vrui::InputDeviceAdapterPlayback.
- Inserted missing semicolon after class declaration of
Misc::RefCounted.
- Fixed broken type conversions in Misc::Autopointer.
- Added missing #include <stdlib.h> to Misc/FileLocator.cpp. For some
reason, this never caused an error.
- Fixed z axis flipping in VRDeviceDaemon/VRPNConnection.cpp; now
properly flips orientation.
- Added missing include file string.h to VRDeviceDaemon/VRFactory.cpp.
- Adapted all templatized classes to conform to g++ 4.3.x's
interpretation of the C++ standard.
Vrui-1.0-054:
- Added missing #include <string.h> to Misc/MemMappedFile.h.
- Fixed missing button initialization in
VRDeviceDaemon/VRDeviceManager.cpp.
- Temporarily disabled position/orientation sanity checking in
VRDeviceDaemon/VRPNClient.cpp.
- Added function canReadImageFileType to Images/ReadImageFile.h to check
whether the readImageFile function supports the image's file type.
- Added hack to VRDeviceDaemon/VRFactory.cpp to get around compiler
warnings for function pointers from DSOs.
- Added transposed matrix multiplication methods (from right and left)
to class Geometry::Matrix.
- Fixed bug in DeviceTest: Didn't print valuator data when no trackers
are present.
- Added templatized image file reader class for IFF image files.
- Added existing templatized image file reader classes to makefile.
- Added method to compile shaders from strings to class GLShader.
- Added methods to rotate and/or scale around a given pivot point to
transformation classes in namespace Geometry.
- Added method to query the exact length of the last frame to Vrui
kernel interface.
- Improved axis converters in HIDDevice VRDeviceDaemon module; can now
easily invert axis direction and map axes to half-valuators.
- Fixed scaling pivot bug in DesktopDeviceNavigationTool.
- Fixed bug in error recovery in Vrui::InputDeviceAdapterIndexMap; now
fails with proper error message if input devices are misconfigured.
- Added prototype of "revolver tool" to map multiple virtual buttons to
a pair of input device buttons (action button, revolve button).
- Made ALSA requirement in Sound library optional; sound recording /
playback will silently fail under Linux if the ALSA development
packages are not installed on the host system.
Vrui-1.0-055:
- Improved picking algorithm and increased button size in
Vrui::VirtualInputDevice to simplify interacting with virtual input
devices especially in fully-immersive VR environments.
- Re-enabled position/orientation sanity checks in VRPNClient VR device
driver module.
- Removed several warnings when compiling with g++ 4.3.2.
- Added revolver tool to list of Vrui tools in makefile; leftover bug
from previous version. Caused failure to run any Vrui application.
Vrui-1.0-056:
- Provided several device access convenience functions in Vrui::Tool to
slightly simplify tool development. Changed existing tool classes to
use new convenience functions where appropriate.
- Moved handling of eye ray vs device ray into Vrui::UserInterfaceTool
base class to get uniform behavior between all user interface tool
classes.
- Removed warning messages when compiling with g++ 4.3.x from
VRDeviceDaemon modules.
- Removed all warnings but one tough one from main Vrui when compiling