636 lines
28 KiB
C
636 lines
28 KiB
C
#ifndef NAVLIB_H_INCLUDED_
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#define NAVLIB_H_INCLUDED_
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/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (c) 2014-2021 3Dconnexion.
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file navlib.h
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* @brief describes the interface for navigating in a 2D or 3D view.
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*/
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#include <navlib/navlib_types.h>
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/// <summary>
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/// Contains the navigation library API types and functions
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/// </summary>
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/// <remarks>
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/// The functions and types describe an interface for navigating in a 2D or 3D view.
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/// <para>
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/// In this scheme, a 3dconnexion library is responsible for calculating the position of the camera
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/// viewing the scene or object as well as displaying the settings and for supporting user
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/// customization.
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/// </para>
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/// <para>
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/// The application is responsible for passing the description of an interface of the 2D/3D view to
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/// the 3dconnexion library, and for reacting to the changes to the properties identified by the
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/// 3dconnexion library.
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/// </para>
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/// </remarks>
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_NAVLIB_BEGIN
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// ************************************************************************************************
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// Properties
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/// <summary>
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/// Property set by the client to indicate that the connection is currently active.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="bool_type"/>.</para>
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/// <para>Clients that have multiple navigation instances open need to inform the navlib which of
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/// them is the target for 3D Mouse input. They do this by setting the active_k property of a
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/// navigation instance to true.</para>
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/// </remarks>
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static const property_t active_k = "active";
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/// <summary>
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/// Property that a client sets to indicate it has keyboard focus.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="bool_type"/>.</para>
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/// <para>Clients that run in container applications via the NLServer proxy set this property to
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/// indicate keyboard focus. This will set 3DMouse focus to the navlib connection.</para>
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/// </remarks>
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static const property_t focus_k = "focus";
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/// <summary>
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/// Client property that the navlib sets when a motion model is active.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="bool_type"/>.</para>
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/// <para>The motion_k property is set to true by the navlib to notify
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/// the client that it is executing a motion model and will update the camera matrix regularly. This
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/// is useful for clients that need to run an animation loop. When the navlib has finished
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/// navigating the camera position it will set the property to false. By setting motion_k to false,
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/// a client may temporarily interrupt a navigation communication and force the Navlib to
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/// reinitialize the navigation.</para>
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/// </remarks>
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static const property_t motion_k = "motion";
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/// <summary>
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/// Specifies the transform from the client's coordinate system to the navlib coordinate system.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="matrix_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="matrix_type"/>.</para>
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/// <para>The Navigation Library coordinate system is Y up, X to the right and Z out of the screen.
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/// This property is queried directly after new navigation instance is created. This allows the
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/// client to specify the other properties using the coordinate system used in the client. For the
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/// keep Y up ('Lock Horizon') algorithm to work correctly a non-identity matrix needs to be
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/// specified whenever the ground plane is not the X-Z plane.</para>
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/// </remarks>
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static const property_t coordinate_system_k = "coordinateSystem";
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/* Frame properties*/
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/// <summary>
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/// Specifies the begin and end of a navigation transaction.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="long"/> and <see cref="propertyType_t"/> is
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/// <see cref="long_type"/>.</para>
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/// <para>The Navigation Library can set more than one client property for a single navigation
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/// frame. For example when navigating in an orthographic projection possibly both the view affine
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/// and extents will be modified depending on the 3DMouse input. The Navigation Library sets the
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/// transaction_k property to a value >0 at the beginning of a navigation frame and to 0 at the end.
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/// Clients that need to actively refresh the view can trigger the refresh when the value is set to
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/// 0.</para>
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/// </remarks>
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static const property_t transaction_k = "transaction";
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/// <summary>
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/// Specifies the time stamp of an animation frame in milliseconds.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="double"/> and <see cref="propertyType_t"/> is
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/// <see cref="double_type"/>.</para>
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/// <para>When the frame_timing_source_k property is set to 1, the client initiates a frame
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/// transaction by informing the Navigation Library of the frame time. When the value is 0, the
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/// Navigation Library attempts to synchronize the frames to the monitor vertical blanking
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/// rate.</para>
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/// </remarks>
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static const property_t frame_time_k = "frame.time";
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/// <summary>
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/// Specifies the source of the frame timing.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="long"/> and <see cref="propertyType_t"/> is
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/// <see cref="long_type"/>.</para>
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/// <para>By setting the frame_timing_source_k property to 1, the client application informs the
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/// Navigation Library that the client has an animation loop and will be the source of the frame
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/// timing.</para>
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/// </remarks>
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static const property_t frame_timing_source_k = "frame.timingSource";
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/// <summary>
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/// Specifies whether a device is present
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="bool_type"/>.</para>
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/// <para>Currently this always returns true.</para>
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/// </remarks>
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static const property_t device_present_k = "device.present";
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/// <summary>
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/// Defines a set of commands.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="SiActionNode_t"/>* and <see cref="propertyType_t"/> is
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/// <see cref="actionnodeexptr_type"/>.</para>
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/// <para>Command sets can be considered to be button banks. The set can be either the complete list
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/// of commands that are available in the application or a single set of commands for a specific
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/// application context. The navlib will not query the application for this property. It is the
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/// responsibility of the application to update this property when commands are to be made available
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/// to the user.</para>
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/// </remarks>
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static const property_t commands_tree_k = "commands.tree";
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/// <summary>
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/// The active command.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="string_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="string_type"/>.</para>
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/// <para>When the user presses a 3DMouse button that has been assign an application command
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/// exposed by the commands_tree_k property, the navlib will write this property. The string value
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/// will be the corresponding id passed in the commands_tree_k property. Generally the navlib will
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/// set this property to an empty string when the corresponding button has been released.</para>
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/// </remarks>
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static const property_t commands_activeCommand_k = "commands.activeCommand";
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/// <summary>
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/// Specifies the active set of commands.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="string_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="string_type"/>.</para>
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/// <para>In applications that have exposed multiple command sets this property needs to be set to
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/// define the command set that is active. The navlib will not query the application for this
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/// property. It is the responsibility of the application to update this property when the set of
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/// commands need to be changed. Normally this will be due to change in application state and may
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/// correspond to a menu/toolbar change. If only a single set of commands has been defined, this
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/// property defaults to that set.</para>
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/// </remarks>
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static const property_t commands_activeSet_k = "commands.activeSet";
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/// <summary>
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/// Specifies an array of images for the 3Dconnexion UI.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="imagearray_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="imagearray_type"/>.</para>
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/// <para>An image with the same <see cref="SiImage_t.id"/> as a command
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/// <see cref="SiActionNodeEx_t.id"/> will be associated with that command in the 3Dconnexion
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/// UI.</para>
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/// </remarks>
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static const property_t images_k = "images";
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/* view properties */
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/// <summary>
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/// Specifies the transformation matrix of the view camera.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="matrix_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="matrix_type"/>.</para>
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/// <para>This matrix specifies the camera to world transformation of the view. That is,
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/// transforming the position (0, 0, 0) by this matrix yields the position of the camera in world
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/// coordinates. The navlib will, generally, query this matrix at the beginning of a navigation
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/// action and then set the property once per frame.</para>
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/// </remarks>
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static const property_t view_affine_k = "view.affine";
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/// <summary>
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/// Specifies the plane equation of the construction plane.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="plane_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="plane_type"/>.</para>
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/// <para>The plane equation is used by the Navigation Library to distinguish views used for
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/// construction in orthographic projections: typically the top, right left etc. views. The
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/// Navigation Library assumes that when the camera's look-at axis is parallel to the plane normal,
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/// the view should not be rotated.</para>
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/// </remarks>
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static const property_t view_constructionPlane_k = "view.constructionPlane";
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/// <summary>
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/// Specifies the orthographic extents of the view in camera coordinates.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="box_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="box_type"/>.</para>
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/// <para>The orthographic extents of the view are returned as a bounding box in world units
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/// relative to the camera/view frame. The view frame is a right-handed coordinate system centered
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/// on the view with x to the right and y up. The Navigation Library will only access this property
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/// if the view is orthographic.</para>
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/// </remarks>
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static const property_t view_extents_k = "view.extents";
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/// <summary>
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/// Specifies the vertical field-of-view of a perspective camera/view in radians.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="double"/> and <see cref="propertyType_t"/> is
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/// <see cref="double_type"/>.</para>
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/// </remarks>
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static const property_t view_fov_k = "view.fov";
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/// <summary>
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/// Specifies the frustum of a perspective camera/view in camera coordinates.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="frustum_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="frustum_type"/>.</para>
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/// <para>The navlib uses this property to calculate the field-of-view of the perspective camera.
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/// The frustum is also used in algorithms that need to determine if the model is currently visible.
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/// The navlib will not write to this property. Instead, if necessary, the navlib will write to the
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/// <see cref="view_fov_k"/> property and leave the client to change the frustum as it
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/// wishes.</para>
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/// </remarks>
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static const property_t view_frustum_k = "view.frustum";
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/// <summary>
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/// Specifies whether the projection type of the view/camera is perspective.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="bool_type"/>.</para>
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/// <para>This property defaults to true. If the client does not supply a function for the navlib to
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/// query the view's projection (which it will generally do at the onset of motion), then it must
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/// set the property in the navlib if the projection is orthographic or when it changes.</para>
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/// </remarks>
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static const property_t view_perspective_k = "view.perspective";
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/// <summary>
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/// Specifies the position of the target of the view/camera.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="point_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="point_type"/>.</para>
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/// <para>The view interest.</para>
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/// </remarks>
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static const property_t view_target_k = "view.target";
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/// <summary>
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/// Specifies whether the view can be rotated.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="bool_type"/>.</para>
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/// <para>This property is generally used to differentiate between orthographic 3D views and views
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/// that can only be panned and zoomed such as plan views.</para>
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/// </remarks>
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static const property_t view_rotatable_k = "view.rotatable";
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/// <summary>
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/// Specifies the orientation of the view designated as the front view.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="matrix_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="matrix_type"/>.</para>
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/// <para>The Navigation Library will only query the value of this property when the connection is
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/// created. It is used to orientate the model to one of the 'Front', 'Back', 'Right', 'Left' etc.
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/// views in response to the respective pre-defined view commands. If the orientation of the front
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/// view is redefined after the connection is opened by the user, the client application is required
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/// to update the property to the new value.</para>
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/// </remarks>
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static const property_t views_front_k = "views.front";
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/// <summary>
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/// Specifies the position of the rotation pivot.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="point_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="point_type"/>.</para>
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/// <para>The Navigation Library will generally set <see cref="pivot_position_k"/> property when
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/// navigation ends. The position will depend on which pivot model is being used. The application
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/// can set the pivot to a fix position by setting this property. A side effect of the application
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/// setting the property is that the <see cref="pivot_user_k"/> property is set to true.</para>
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/// </remarks>
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static const property_t pivot_position_k = "pivot.position";
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/// <summary>
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/// Specifies whether the position of the rotation pivot is set by the user.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="point_type"/>.</para>
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/// <para>With the property set to true, the Navigation Library will disable the internal pivot
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/// position algorithms.</para>
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/// </remarks>
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static const property_t pivot_user_k = "pivot.user";
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/// <summary>
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/// Specifies whether the rotation pivot widget is visible.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="bool_type"/>.</para>
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/// <para>Set by the Navigation Library when it wants to set the visibility of the pivot used for
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/// the 3D navigation. This will be dependent on the user setting for the pivot visibility in the
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/// 3Dconnexion Properties configuration and whether the Navigation Library is actively navigating
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/// the scene.</para>
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/// </remarks>
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static const property_t pivot_visible_k = "pivot.visible";
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/// <summary>
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/// Specifies the origin of the ray used for hit-testing.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="point_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="point_type"/>.</para>
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/// <para>Set by the Navigation Library. The location is relative to the world coordinate
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/// system.</para>
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/// </remarks>
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static const property_t hit_lookfrom_k = "hit.lookfrom";
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/// <summary>
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/// Specifies the direction of the ray used for hit-testing.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="vector_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="vector_type"/>.</para>
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/// <para>Set by the Navigation Library. The direction is relative to the world coordinate
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/// system frame.</para>
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/// </remarks>
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static const property_t hit_direction_k = "hit.direction";
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/// <summary>
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/// Specifies the diameter of the ray used for hit-testing.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="double"/> and <see cref="propertyType_t"/> is
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/// <see cref="double_type"/>.</para>
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/// <para>Set by the Navigation Library. This is the diameter of the aperture on the frustum near
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/// plane. In a perspective project the ray is a cone.</para>
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/// </remarks>
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static const property_t hit_aperture_k = "hit.aperture";
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/// <summary>
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/// Specifies the point of the model that is hit by the ray originating from
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/// <see cref="hit_lookfrom_k"/>.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="point_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="point_type"/>.</para>
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/// <para>This property is queried by the navlib. The navlib will generally calculate if it is
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/// possible to hit a part of the model from the <see cref="model_extents_k"/> and
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/// <see cref="selection_extents_k"/> properties before setting up the hit-test properties and
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/// querying the property. The position is relative to the world coordinate system frame.</para>
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/// </remarks>
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static const property_t hit_lookat_k = "hit.lookat";
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/// <summary>
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/// Specifies whether the hit-testing is limited solely to the current selection set.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="bool_type"/>.</para>
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/// </remarks>
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static const property_t hit_selectionOnly_k = "hit.selectionOnly";
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/// <summary>
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/// Specifies the transformation matrix of the selection set.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="matrix_t"/> and <see cref="propertyType_t"/> is
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/// <see cref="matrix_type"/>.</para>
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/// <para>This matrix specifies the object to world transformation of the selection set. That is,
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/// transforming the position (0, 0, 0) by this matrix yields the position of the set in world
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/// coordinates. The navlib will, generally, query this matrix at the beginning of a navigation
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/// action that involves moving the selection and then set the property once per frame.</para>
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/// </remarks>
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static const property_t selection_affine_k = "selection.affine";
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/// <summary>
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/// Specifies whether the selection set is empty.
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/// </summary>
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/// <remarks>
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/// <para>The type is <see cref="bool_t"/> and <see cref="propertyType_t"/> is
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|
/// <see cref="bool_type"/>.</para>
|
|
/// <para>When true, nothing is selected.</para>
|
|
/// </remarks>
|
|
static const property_t selection_empty_k = "selection.empty";
|
|
|
|
/// <summary>
|
|
/// Specifies the bounding box of the selection set.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// <para>The type is <see cref="box_t"/> and <see cref="propertyType_t"/> is
|
|
/// <see cref="box_type"/>.</para>
|
|
/// <para>The extents of the selection are returned as a bounding box in world coordinates. The
|
|
/// Navigation Library will only access this property if the <see cref="selection_empty_k"/>
|
|
/// property is false.</para>
|
|
/// </remarks>
|
|
static const property_t selection_extents_k = "selection.extents";
|
|
|
|
/// <summary>
|
|
/// Specifies the bounding box of the model.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// <para>The type is <see cref="box_t"/> and <see cref="propertyType_t"/> is
|
|
/// <see cref="box_type"/>.</para>
|
|
/// </remarks>
|
|
static const property_t model_extents_k = "model.extents";
|
|
|
|
/// <summary>
|
|
/// Specifies the position of the mouse cursor. on the projection plane in world coordinates.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// <para>The type is <see cref="point_t"/> and <see cref="propertyType_t"/> is
|
|
/// <see cref="point_type"/>.</para>
|
|
/// <para>The position of the mouse cursor is in world coordinates on the projection plane. For a
|
|
/// perspective projection the Navigation Library uses the near clipping as the projection plane.
|
|
/// In OpenGL the position would typically be retrieved using gluUnProject with winZ set to
|
|
/// 0.0.</para>
|
|
/// </remarks>
|
|
static const property_t pointer_position_k = "pointer.position";
|
|
|
|
/// <summary>
|
|
/// V3DK press event.
|
|
/// </summary>
|
|
static const property_t events_keyPress_k = "events.keyPress";
|
|
|
|
/// <summary>
|
|
/// V3DK release event.
|
|
/// </summary>
|
|
static const property_t events_keyRelease_k = "events.keyRelease";
|
|
|
|
/// <summary>
|
|
/// Used to query and apply settings in the 3Dconnexion Properties UI.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// <para>The type is <see cref="string_t"/> and <see cref="propertyType_t"/> is
|
|
/// <see cref="string_type"/>.</para>
|
|
/// <para>The property settings_k does not actually exist in the Navigation Library. To read or
|
|
/// write a property to the application profile, the settings_k needs to be appended with "." and
|
|
/// the name of the profile property.<example>"settings.MoveObjects" is used to read or write the
|
|
/// value of the "MoveObjects" property in the profile settings.</example></para>
|
|
/// </remarks>
|
|
static const property_t settings_k = "settings";
|
|
|
|
/// <summary>
|
|
/// Specifies the change revision of the profile settings.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// <para>The type is <see cref="long"/> and <see cref="propertyType_t"/> is
|
|
/// <see cref="long_type"/>.</para>
|
|
/// <para>This property is incremented when the settings changed. The value is only valid for the
|
|
/// current connection to the Navigation Library and is not persistent over multiple sessions. If
|
|
/// the client needs to know the value of a 3Dconnexion profile setting it should re-read the value
|
|
/// when settings_changed_k is changed.</para>
|
|
/// </remarks>
|
|
static const property_t settings_changed_k = "settings.changed";
|
|
|
|
// Workaround for error C2099: initializer is not a constant when compiling .c
|
|
#if __cplusplus
|
|
/// <summary>
|
|
/// Defines the type of a property and the access required of the client application.
|
|
/// </summary>
|
|
static const propertyDescription_t propertyDescription[] = {
|
|
/* property, type, required client access */
|
|
{active_k, bool_type, eno_access},
|
|
{focus_k, bool_type, eno_access},
|
|
{motion_k, bool_type, ewrite_access},
|
|
{coordinate_system_k, matrix_type, eread_access},
|
|
{device_present_k, bool_type, eno_access},
|
|
{events_keyPress_k, long_type, ewrite_access},
|
|
{events_keyRelease_k, long_type, ewrite_access},
|
|
|
|
/* frame properties*/
|
|
{transaction_k, long_type, ewrite_access},
|
|
{frame_time_k, double_type, eread_access},
|
|
{frame_timing_source_k, long_type, eread_access},
|
|
|
|
/* view properties */
|
|
{view_affine_k, matrix_type, eread_write_access},
|
|
{view_constructionPlane_k, plane_type, eread_access},
|
|
{view_extents_k, box_type, eread_write_access},
|
|
{view_fov_k, float_type, eread_write_access},
|
|
{view_frustum_k, frustum_type, eread_access},
|
|
{view_perspective_k, bool_type, eread_access},
|
|
{view_rotatable_k, bool_type, eread_access},
|
|
{view_target_k, point_type, eread_access},
|
|
|
|
/* views properties*/
|
|
{views_front_k, matrix_type, eread_access},
|
|
|
|
/* pivot properties */
|
|
{pivot_position_k, point_type, eread_write_access},
|
|
{pivot_user_k, bool_type, eno_access},
|
|
{pivot_visible_k, bool_type, ewrite_access},
|
|
|
|
/* hit-test properties */
|
|
{hit_lookfrom_k, point_type, ewrite_access},
|
|
{hit_direction_k, vector_type, ewrite_access},
|
|
{hit_aperture_k, float_type, ewrite_access},
|
|
{hit_lookat_k, point_type, eread_access},
|
|
{hit_selectionOnly_k, bool_type, ewrite_access},
|
|
|
|
/* selection properties */
|
|
{selection_affine_k, matrix_type, eread_write_access},
|
|
{selection_empty_k, bool_type, eread_access},
|
|
{selection_extents_k, box_type, eread_access},
|
|
|
|
/* model properties */
|
|
{model_extents_k, box_type, eread_access},
|
|
|
|
/* pointer (cursor) properties */
|
|
{pointer_position_k, point_type, eread_access},
|
|
|
|
/* commands properties */
|
|
{commands_tree_k, actionnodeexptr_type, eno_access},
|
|
{commands_activeSet_k, string_type, eno_access},
|
|
{commands_activeCommand_k, string_type, ewrite_access},
|
|
|
|
/* images properties*/
|
|
{images_k, imagearray_type, eno_access},
|
|
|
|
/* settings property*/
|
|
{settings_k, string_type, eno_access},
|
|
{settings_changed_k, long_type, ewrite_access}};
|
|
#endif
|
|
|
|
/**********************************************************************************************
|
|
Functions exported from the library
|
|
**********************************************************************************************/
|
|
|
|
/// <summary>
|
|
/// Creates a new navigation instance.
|
|
/// </summary>
|
|
/// <remarks>The client specifies the name of the instance and the properties that are available
|
|
/// for querying and updating by the navigation framework.</remarks>
|
|
/// <param name="pnh">A pointer to a <see cref="nlHandle_t"/> for the new navigation
|
|
/// instance.</param>
|
|
/// <param name="appname">The name of the application.</param>
|
|
/// <param name="property_accessors">An array of <see cref="accessor_t"/> structures containing the
|
|
/// property name, accessor and mutator functions that the client exposes to the navigation
|
|
/// instance.</param>
|
|
/// <param name="accessor_count">The number of <see cref="accessor_t"/> entries passed in the
|
|
/// property_accessors parameter.</param>
|
|
/// <param name="options">Pointer to a <see cref="nlCreateOptions_t"/>. This parameter is optional
|
|
/// and may be null.</param>
|
|
/// <returns>0 on success or a navlib error, see <see cref="navlib_errc::navlib_errc_t"/> and
|
|
/// <see cref="make_result_code"/>.</returns>
|
|
_NAVLIB_DLLAPI long __cdecl NlCreate(nlHandle_t *pnh, const char *appname,
|
|
const accessor_t property_accessors[], size_t accessor_count,
|
|
const nlCreateOptions_t *options);
|
|
|
|
/// <summary>
|
|
/// Closes an open navigation instance handle and destroys the navigation instance.
|
|
/// </summary>
|
|
/// <param name="nh">A valid <see cref="nlHandle_t"/> of an open navigation instance.</param>
|
|
/// <returns>0 if the function succeeds, otherwise a navlib error, see
|
|
/// <see cref="navlib_errc::navlib_errc_t"/> and <see cref="make_result_code"/>.</returns>
|
|
_NAVLIB_DLLAPI long __cdecl NlClose(nlHandle_t nh);
|
|
|
|
/// <summary>
|
|
/// Read the value of a property cached in the navlib.
|
|
/// </summary>
|
|
/// <param name="nh">The <see cref="nlHandle_t"/> of the open navigation instance.</param>
|
|
/// <param name="name">The name of the property whose value is being queried.</param>
|
|
/// <param name="value">A pointer to a <see cref="value_t"/> that contains the property value when
|
|
/// the function returns.</param>
|
|
/// <returns>0 if the function succeeds, otherwise a navlib error, see
|
|
/// <see cref="navlib_errc::navlib_errc_t"/> and <see cref="make_result_code"/>.</returns>
|
|
_NAVLIB_DLLAPI long __cdecl NlReadValue(nlHandle_t nh, property_t name, value_t *value);
|
|
|
|
/// <summary>
|
|
/// Write the value for a property to the navlib.
|
|
/// </summary>
|
|
/// <param name="nh">The <see cref="nlHandle_t"/> of the open navigation instance.</param>
|
|
/// <param name="name">The name of the property whose value is to be written.</param>
|
|
/// <param name="value">A pointer to a <see cref="value_t"/> that contains the new property
|
|
/// value.</param>
|
|
/// <returns>0 if the function succeeds, otherwise a navlib error, see
|
|
/// <see cref="navlib_errc::navlib_errc_t"/> and <see cref="make_result_code"/>.</returns>
|
|
_NAVLIB_DLLAPI long __cdecl NlWriteValue(nlHandle_t nh, property_t name, const value_t *value);
|
|
|
|
/// <summary>
|
|
/// Query the type of a navlib property.
|
|
/// </summary>
|
|
/// <param name="name">The name of the property whose type is to be queried.</param>
|
|
/// <returns>One of the <see cref="propertyTypes"/> values.</returns>
|
|
_NAVLIB_DLLAPI propertyType_t __cdecl NlGetType(property_t name);
|
|
|
|
_NAVLIB_END
|
|
|
|
#endif // NAVLIB_H_INCLUDED_
|