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自动驾驶仿真:VTD建立多个Fisheye模型

时间:2024-03-09 05:12:18

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自动驾驶仿真:VTD建立多个Fisheye模型

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文章目录

前言一、Ubuntu的双显卡设置二、双Fisheye的配置过程三、Fisheyes效果图

提示:以下是本篇文章正文内容,下面案例可供参考

一、Ubuntu的双显卡设置

1)我这里介绍的是使用两张显卡去处理这2个fisheye,因此显卡会有些特殊配置,包括分辨率,下图就是我想去实现的概况;

2)通过nvidia-setting将下面显卡和Screen绑定起来,因为VTD需要通过绑定Screen,并将IG分配到对应的显卡上;

3)显示器配置(配置多个显示器1920x1280 30HZ的视频输出):

打开/etc/X11/xorg.conf,需要配置2个Screen,2个monitor,2个Device,并且需要通过AW EDID Editor的方式修改每个屏幕的分辨率(可以使用xrandr命令修改分辨率,我尝试是失败的),具体配置如下所示:

Section "ServerLayout"Identifier "Layout0"Screen 0 "Screen0" 0 0Screen 1 "Screen1" 1280 0InputDevice "Keyboard0" "CoreKeyboard"InputDevice "Mouse0" "CorePointer"Option"Xinerama" "0"EndSectionSection "Monitor"Identifier "Monitor0"VendorName "Unknown"ModelName "DELL D2720DS"HorizSync 30.0 - 88.0VertRefresh 50.0 - 76.0Option"DPMS"EndSectionSection "Monitor"Identifier "Monitor1"VendorName "Unknown"ModelName "DELL D2720DS"HorizSync 30.0 - 88.0VertRefresh 50.0 - 76.0Option"DPMS"EndSectionSection "Device"Identifier "Device0"Driver"nvidia"VendorName "NVIDIA Corporation"BoardName "NVIDIA GeForce RTX 3080"BusID"PCI:115:0:0"EndSectionSection "Device"Identifier "Device1" Driver"nvidia"VendorName "NVIDIA Corporation"BoardName "NVIDIA GeForce RTX 3080"BusID"PCI:213:0:0"EndSectionSection "Screen"Identifier "Screen0"Device"Device0"Monitor "Monitor0"DefaultDepth 24Option"CustomEDID" "GPU-0.DP-0:/home/ubunutuds/Desktop/edid_1980_30.bin;GPU-0.DP-2:/home/ubunutuds/Desktop/edid_1980_30.bin;GPU-0.DP-3:/home/ubunutuds/Desktop/edid_1980_30.bin;GPU-0.DP-4:/home/ubunutuds/Desktop/edid_1980_30.bin" //这部分修改对应显示屏的分辨率,.bin文件是通过AW EDID Editor进行编辑的,自己使用的显示屏没有修改;Option"Stereo" "0"Option"nvidiaXineramaInfoOrder" "DFP-0"Option"metamodes" "nvidia-auto-select +0+0"Option"SLI" "Off"Option"MultiGPU" "Off"Option"BaseMosaic" "off"SubSection "Display"Depth 24EndSubSectionEndSectionSection "Screen"Identifier "Screen1"Device"Device1"Monitor "Monitor1"DefaultDepth 24Option "CustomEDID" "GPU-1.HDMI-0:/home/ubunutuds/Desktop/edid_1980_30.bin;GPU-1.DP-0:/home/ubunutuds/Desktop/edid_1980_30.bin;GPU-1.DP-2:/home/ubunutuds/Desktop/edid_1980_30.bin;GPU-1.DP-3:/home/ubunutuds/Desktop/edid_1980_30.bin;GPU-1.DP-4:/home/ubunutuds/Desktop/edid_1980_30.bin" //这部分修改对应显示屏的分辨率,.bin文件是通过AW EDID Editor进行编辑的,可以网上搜索教程;#Option"nvidiaXineramaInfoOrder" "DFP-1"Option"Stereo" "0"Option"nvidiaXineramaInfoOrder" "DFP-1"Option"metamodes" "DP-0: nvidia-auto-select +0+0, DP-2: nvidia-auto-select +1920+0"Option"SLI" "Off"Option"MultiGPU" "Off"Option"BaseMosaic" "off"SubSection "Display"Depth 24EndSubSectionEndSection注意:配置完成后显卡2没有视屏输出,黑屏属于正常现象,不影响IG画面的显示;

二、双Fisheyes的配置过程

1)VTD中各文件的依赖关系:

配置2个IG,Simserver.xml,AutoCfg.xml,AutoCfgDisplay.xml,IGbase,之间的依赖关系是:

重要:由于鱼眼摄像头是需要畸变的,所以我们需要通过lensDistortion工具配置畸变表、分辨率、像素点大小、焦距、FOV角度等参数生成对应的AutoCfgDisplay.xml、IGbase、.dat畸变插件等配置文件,而实现摄像头以畸变的状态显示在IG上(lensDistortion工具是跟VTD拿的)。

注意:.dat文件需要放置在~Date/Setups/Project_name/ImageGenerator中;

3)Simserver需要做什么?

①复制2个IG的Process,并修改该对应的name和cmdline的参数,1个IG对应一个Process,如下图所示,更改红色部分。

代码如下(示例):

<Processgroup="igGroup" name="igCtr1" auto="false"explicitLoad="false"path="$VI_CORE_DIR/ImageGenerator/bin"executable="vigcar"cmdline="$VI_CURRENT_SETUP/Config/ImageGenerator/AutoCfg1.xml -m 0x01"useXterm="true"xtermOptions="-fg Black -bg LightGoldenRod -geometry 80x10+508+163"affinitymask="0xFF"schedPolicy="SCHED_RR"schedPriority="20"workDir="$VI_CURRENT_SETUP/Bin"><EnvVar name="LD_LIBRARY_PATH" val="$VI_CORE_DIR/ImageGenerator/bin:$VI_CORE_DIR/ImageGenerator/lib"/></Process><Processgroup="igGroup"name="igCtr2" auto="false"explicitLoad="false"path="$VI_CORE_DIR/ImageGenerator/bin"executable="vigcar"cmdline="$VI_CURRENT_SETUP/Config/ImageGenerator/AutoCfg2.xml -m 0x01"useXterm="true"xtermOptions="-fg Black -bg LightGoldenRod -geometry 80x10+508+163"affinitymask="0xFF"schedPolicy="SCHED_RR"schedPriority="20"workDir="$VI_CURRENT_SETUP/Bin"><EnvVar name="LD_LIBRARY_PATH" val="$VI_CORE_DIR/ImageGenerator/bin:$VI_CORE_DIR/ImageGenerator/lib"/></Process>

4)AutoCfg.xml需要做什么?

①找到对应Project文件夹中的 ~Data/Setups/Project_name/ImageGenerator/AutoCfg.xml,复制2个IG所需要的副本文件AutoCfg1.xml,AutoCfg2.xml。

②修改AutoCfg1.xml文件中的下述红色部分:

<IGconfig><Includes><Include file="IGLinks/Setup/Config/ImageGenerator/TopViewShadows.xml" /><Include file="IGLinks/Setup/Config/ImageGenerator/IGbase1.xml" /><Include file="IGLinks/Vig/data/Sky/HighContrastSky.xml" /><Include file="IGLinks/Distro/Config/ImageGenerator/MaterialsHCS.xml" /><Include file="IGLinks/Distro/Config/ImageGenerator/SymbolsStd.xml" /><Include file="IGLinks/Distro/Config/ImageGenerator/LightSrcStd.xml" /><Include file="IGLinks/Setup/Config/ImageGenerator/AutoCfgDisplay1.xml" /><Include file="IGLinks/Setup/Config/ImageGenerator/AutoCfgDatabase.xml" /></Includes></IGconfig>

③修改AutoCfg2.xml文件中的下述红色部分:

<IGconfig><Includes><Include file="IGLinks/Setup/Config/ImageGenerator/TopViewShadows.xml" /><Include file="IGLinks/Setup/Config/ImageGenerator/IGbase2.xml" /><Include file="IGLinks/Vig/data/Sky/HighContrastSky.xml" /><Include file="IGLinks/Distro/Config/ImageGenerator/MaterialsHCS.xml" /><Include file="IGLinks/Distro/Config/ImageGenerator/SymbolsStd.xml" /><Include file="IGLinks/Distro/Config/ImageGenerator/LightSrcStd.xml" /><Include file="IGLinks/Setup/Config/ImageGenerator/AutoCfgDisplay2.xml" /><Include file="IGLinks/Setup/Config/ImageGenerator/AutoCfgDatabase.xml" /></Includes></IGconfig>

5)AutoCfgDisplay.xml需要做什么?

①复制lensDistortion工具生成的AutoCfgDisplay.xml 文件到Project文件夹中的 ~Data/Setups/Project_name/ImageGenerator路径,建立2个IG所需要的副本文件AutoCfgDisplay1.xml,AutoCfgDisplay2.xml。

②配置对应的drawThreadCPUAffinity和 appCullThreadCPUAffinity到不同的CPU上,用于资源合理分配(命令窗口输入top,再按1,可以看到不同CPU的状态)

③配置IG到不同的Screen上;

④配置对应的鱼眼摄像头到不同的车辆安装位置;

③修改AutoCfgDisplay1.xml文件中的下述红色部分:

<IGconfig><SystemConfig><Graphics smallFeatureCullPixelSize="3.9" lodscale="0.9" gamma="1 1 1" enableCursor="1" enableDatabasePagerThread="0"drawThreadCPUAffinity="2" appCullThreadCPUAffinity="1" //递增数字即可,一般不用CPU0;enableTransparencyAntialiasing="1" enableMultisampling="1"schedulerStabilization="1" configurationProfile="HIGH_CONTRAST"isLocalLightingSupportEnabled="1"threadingModel="CullThreadPerCameraDrawThreadPerContext"targetFramerate="60"><RenderSurface name="Fisheye" x="0" y="0" width="1280" height="960" //name要和renderSurface中的一致;depthBits="24" stencilBits="1" sampleBuffers="0"samples="0" borderVisible="1" overrideRedirect="0"displayNum="0" screenNum="0" pbuffer="0"/> //由于IG1显示在显卡0,因此配置到screenNum0上即可,displayNum按照Nvidia-settings→X Screen 0中的设置填写;<Camera name="cam1" renderSurface="Fisheye" viewPortX="0" viewPortY="0"viewPortWidth="1280" viewPortHeight="960"><SymmetricPerspectiveAngles fovX="210" fovY="210" near="1" far="1000"offsetHPR="180 -25.59 0" offsetXYZ="0 -3.804 0.874"/> //自定义修改该镜头的安装参数;</Camera></Graphics></SystemConfig></IGconfig>

③修改AutoCfgDisplay2.xml文件中的下述红色部分:

<IGconfig><SystemConfig><Graphics smallFeatureCullPixelSize="3.9" lodscale="0.9" gamma="1 1 1" enableCursor="1" enableDatabasePagerThread="0"drawThreadCPUAffinity="4" appCullThreadCPUAffinity="3" //递增数字即可,一般不用CPU0;enableTransparencyAntialiasing="1" enableMultisampling="1"schedulerStabilization="1" configurationProfile="HIGH_CONTRAST"isLocalLightingSupportEnabled="1"threadingModel="CullThreadPerCameraDrawThreadPerContext"targetFramerate="60"><RenderSurface name="Fisheye2" x="0" y="0" width="1280" height="960" //name要和renderSurface中的一致;depthBits="24" stencilBits="1" sampleBuffers="0"samples="0" borderVisible="1" overrideRedirect="0"displayNum="0" screenNum="1" pbuffer="0"/> //由于IG1显示在显卡0,因此配置到screenNum0上即可,displayNum按照Nvidia-settings→X Screen 0中的设置填写;<Camera name="cam2" renderSurface="Fisheye2" viewPortX="0" viewPortY="0"viewPortWidth="1280" viewPortHeight="960"><SymmetricPerspectiveAngles fovX="210" fovY="210" near="1" far="1000"offsetHPR="180 -25.59 0" offsetXYZ="0 -3.804 0.874"/> //自定义修改该镜头的安装参数;</Camera></Graphics></SystemConfig></IGconfig>

安装镜头时需要参考坐标系,原点是车辆后轴中心:

6)IGbase需要做什么?

①复制lensDistortion工具生成的IGbase.xml到对应Project文件夹中 ~Data/Setups/Project_name/ImageGenerator/,建立2个IG所需要的副本文件IGbase1.xml,IGbase2.xml。

②修改IGbase1中的RDBInterface、PostProcessingPipelineConfigurator部分:

RDBInterface:

<RDBInterface name="MyRDBInterfaceCam1" printDebugInfo="0" ignoreShmFlags="0"><ShmLayoutImage key="0x08130" /></RDBInterface> //配置独立的name,key,用于摄像头数据读取;

PostProcessingPipelineConfigurator:

<PostProcessingPipelineConfigurator name="OriginalSceneConfiguratorCam1" ><Pipeline hideSceneFromDefaultView="1" viewName="cam1">

TAKATA:

connectImageTransferTCP="0" //多个IG即使显存足够也会出现屏幕渲染帧率低,因此需要设置0;

②修改IGbase2中的RDBInterface、PostProcessingPipelineConfigurator部分:

RDBInterface:

<RDBInterface name="MyRDBInterfaceCam2" printDebugInfo="0" ignoreShmFlags="0"><ShmLayoutImage key="0x08130" /></RDBInterface> //配置独立的name,key,用于摄像头数据读取;

PostProcessingPipelineConfigurator:

<PostProcessingPipelineConfigurator name="OriginalSceneConfiguratorCam2" ><Pipeline hideSceneFromDefaultView="1" viewName="cam2">

TAKATA:

connectImageTransferTCP="0" //多个IG即使显存足够也会出现屏幕渲染帧率低,因此需要设置0;

7)修改GUI中的Setup:

imgPortConnect设置成false;

完成设置,点击运行看看效果;

三、Fisheyes效果图

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