In a managed C ++ project, we can use the "Using namespace" expression to include managed types. just like using "# include" incorrectly will cause some compile error, declaring "Using namespace" globally will cause some problems too. we encountered "ambiguous symbol" error when integrating ASM 4100. to resolve the issue, we can make the "using namespace" impact locally.
For example. The following code may have "ambiguous symbols" error:
//Fiexternaldatabaseinfo. hUsing namespace syst
Public Virtual
Autodesk. AutoCAD. databaseservices. dbobjectcollection Getsplitcurves(Autodesk. AutoCAD. Geometry. point3dcollection Points)
Member
Autodesk. AutoCAD. databaseservices.Curve
Summary:
Creates one or more entities that are all subcurves of the original.
Parameters:
Points
: Array of points (in WCS coordinates) on the curve.
MapGuide is a new-generation Web GIS platform launched by Autodesk to publish spatial data on the network. To promote the development of open-source Web GIS, Autodesk donated the source code to OSGEO, launched the Open Source version of MapGuide Open Source. It allows users to quickly develop and deploy Web GIS applications and services. For this product, I believe everyone is no stranger. For the first con
If your data source contains a hyperlink, you can select a feature in Ajax viewer to display the hyperlink when displaying the relevant information of this element in the Selection Panel. However, this feature does not work in Fusion Viewer. hyperlinks are displayed in HTML code, which is not very nice:
The solution is to decode the HTML code and modify C: \ Program Files \ Autodesk Infrastructure Web Server Extension 2013 \ www \ fusion \ widgets \
Ylbtech-Miscellaneous: Bim
Building Information ModelIs a new tool for Architecture, Engineering, and civil engineering.. The term building information model or building information model was created by Autodesk.It is used to describe computer-aided design that focuses on 3D graphics, object orientation, and architecture.. At the beginning, this concept was introduced to the public by Jerry laiserin to promote the technologies provided by Autodesk
Two development of AutoCAD can be used: Objectarx,vba,vlisp. But instead of borrowing them here, you use C # development directly.
There are two ways to class libraries and applications:
Method 1:vs2010 Develop AutoCAD 2008 class Library
Create a dynamic library, use netload from the AutoCAD command line, and then execute its method
Create a project
1, build a wxindows form program "Project", set output as "Class library"2, add Reference--browse--From the AutoCAD2008 installation directory C:\
. If your instructions depend on other objects or services, such as $rootScope, $http, or $compile, they can be injected at this time. This instruction is used in HTML as an element, as follows:You can also add data-or X in front of the element, both of which are HTML5 standardThese four kinds of writing can be rendered normally.When the Angularjs matches the instruction, it converts the string into a hump (CamelCase) representation and then matches the registered instruction.This is why we use
/IP and HTTP have a deep understanding;
3, familiar with WEBRTC, FFmpeg, Licode, Kurento, Janus, Mediasoup and other audio and video tools;
4, familiar with H264, H265, Opus, VP8 and other codec, familiar with RTP, rtmp, RTSP, SIP and other transmission protocols;
5, the voice of the relevant algorithm optimization experience is preferred, such as NS,VAD,AGC,AEC.
Jobs audio and video real-time communication development engineer
Job description
1, des
configuration, the other is based on the platform-side AEC data to adjust the exposure of sensor. Connecting the AEC on the platform side to the specific sensor exposure settings on the Qualcomm platform is a exposure corresponding interface in a exposure table and sensor lib file in the Chromatix file.The exposure_table_size corresponds to the number of sensor registers written by the Sensor_fill_exposure
1 in the Android camera code is to get the camera hardware parameters, print out a line, even if the use of Notepad wrap is not good to watch the followingRdcamerasdk=true;capture-burst-interval-max=10;zoom=0;redeye-reduction-values=;qc-ext-mode=none; max-num-detected-faces-hw=5;scene-detect-values=off,on;qc-camera-features=1;ext-mode-pip-picture-num=0; Face-detection-values=off,on;whitebalance=auto;max-sharpness=30;preview-format-values=yuv420sp,yuv420sp-adreno , Yuv420p,yuv420p,nv12;jpeg-thumb
Comparison between WF and Windows
-- Interpreting the core principles of WF through AEC (11) (additional topic)
Sometimes, during Activity development, there is always a feeling similar to the previous one, such as C, if I forget to release the pointer, I will always hit myself. When developing the Activity, I forgot to Close and I will hit myself ......
I think the structure of WF has many similarities with the operating system. I will compare it bel
. Support for three-wire Bluetooth coexistence Solution5. Data Rate: 802.11 GB (54, 48, 36, 24, 18, 9, 6 Mbps) and 802.11b (11, 5.5, 2, 1 Mbps)6. operating frequency: 2.4 gb ism band
Nic
Model: dm9000aep1. Supports transmission rates of 10 M and M2. processor interface: supports the operations of byte, word, and dual-word Io commands on internal memory data.3. Support for half-duplex and full-duplex4. Integrate 4 K DWORD SRAM5. Support for 3.3v and 5.0v Voltages
3G n
people can access the appropriate version of the appropriate information at the appropriate time.
Application Software Integration
It can fully integrate various industry software products of microstation and Bentley, and also provide excellent integration support for AutoCAD and application software of other AEC industries. These integrations allow users to access and directly read and write files in the application software, and can directly write
recent research shows that in a laptop, the battery power consumed by display backlights accounts for 33%.
Sensing ambient light is not a new concept, but unlike photosensitive diodes, sensor sensing of ambient light can reduce excess infrared light and ultraviolet light while sensing ambient light, moreover, these features are provided in a very small-size package while supporting stringent requirements for automotive standard AEC (Q-100), ensuring
data uploads for Orthanc's own explorer and DCMTK Toolkit Storescu.exe.SQLite Data Write logic instance test1) Drag Drop test in Explorer:First open the Orthanc browsing interface: Http://localhost:8042/app/explorer.html#uploadDrag any image into the browser and click "Start the Upload" until the green ' done ' appears, indicating that the upload was successful.The database changes as follows:2) Storescu.exe test:The above uses Orthanc embedded Explorer to successfully upload and write to the
. The echo suppressor is a nonlinear echo cancellation. It uses a simple comparer to compare the level of the sound that is ready to be played by the speakers with the sound that the current microphone picks up. If the former is above a certain threshold, it is allowed to pass to the speaker, and the microphone is turned off to prevent it from picking up the sound that the speaker is playing and causing a remote echo. If the microphone picks up the sound level above a certain threshold, the spea
From the reason of communication echo, can be divided into acoustic echo (acoustic echo) and line echo (lines echo), the corresponding echo cancellation technology is called acoustic echo cancellation (acoustic echo cancellation, AEC) and line echo cancellation (lines Echo cancellation, LEC). Acoustic echo is a result of the speaker's sound being fed back to the microphone multiple times in the hands-free or conference application (better understood);
Cross-platform WEBRTC
WEBRTC is Google Open source of a plug-in real-time video communication technology, which is divided into web development and native development; currently supports Chrome,firefox,android,ios,opera,edge. is a true sense of cross-platform plug-in real-time video communication technology. Video applications are generally based on web-level development. This paper is mainly about the code architecture of WEBRTC native layer speech processing and the carding of a native-layer
quality and minimize latency.Another core feature is the voice conferencing-based mixing process.Sound Encryption--voice_engine_encryptionAs with video, WEBRTC also provides sound encryption capabilities.Sound filesThis feature is available with local files as an audio source, supported in the format of PCM and WAV.Similarly, WEBRTC can record audio to a local file.Sound processing--audio_processingThe source code is in the Webrtc\modules\audio_processing directory.Sound processing is processed
First, prefaceto understand echo cancellation technology, we have to mention the theory of digital signal processing as the theoretical basis of modern communication technology. First of all, there is an important branch of the digital signal processing theory, called adaptive Signal Processing, and in the classical textbook, the echo elimination problem has always been discussed as a classical adaptive signal processing case. Since Echo Elimination is a classic and concrete application in textb
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