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<title>Splitting Large Datasets &mdash; OpenDroneMap 2.8.7 documentation</title>
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<li class="toctree-l1"><a class="reference internal" href="../installation/">التثبيت والبدء</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../installation/#quickstart">Quickstart</a></li>
<li class="toctree-l2"><a class="reference internal" href="../installation/#hardware-recommendations">توصيات الأجهزة</a></li>
<li class="toctree-l2"><a class="reference internal" href="../installation/#installation">التركيب</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../installation/#windows">Windows</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-1-check-virtualization-support">الخطوة 1. تحقق من دعم المحاكاة الافتراضية</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-2-install-requirements">الخطوة 2. تثبيت المتطلبات</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-3-check-memory-and-cpu-allocation">الخطوة 3. تحقق من تخصيص الذاكرة ووحدة المعالجة المركزية</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-4-download-webodm">الخطوة 4. قم بتنزيل WebODM</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-4-launch-webodm">الخطوة 4. قم بتشغيل WebODM</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../installation/#macos">macOS</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../installation/#id1">الخطوة 1. تحقق من دعم المحاكاة الافتراضية</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#id2">الخطوة 2. تثبيت المتطلبات</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#id3">الخطوة 3. تحقق من تخصيص الذاكرة ووحدة المعالجة المركزية</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-4-download-and-launch-webodm">الخطوة 4. قم بتحميل وتشغيل WebODM</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../installation/#linux">Linux</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-1-install-requirements">الخطوة 1. تثبيت المتطلبات</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-2-check-additional-requirements">الخطوة 2. تحقق من المتطلبات الإضافية</a></li>
<li class="toctree-l4"><a class="reference internal" href="../installation/#step-3-download-and-launch-webodm">الخطوة 3. قم بتحميل وتشغيل WebODM</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../installation/#basic-commands-and-troubleshooting">الأوامر الأساسية واستكشاف الأخطاء وإصلاحها</a></li>
<li class="toctree-l2"><a class="reference internal" href="../installation/#hello-webodm">مرحبًا WebODM!</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../installation/#running-on-more-than-one-machine">يعمل على أكثر من جهاز</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../tutorials/">دروس</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../tutorials/#creating-high-quality-orthophotos">إنشاء Orthophotos عالية الجودة</a></li>
<li class="toctree-l2"><a class="reference internal" href="../tutorials/#calibrating-the-camera">معايرة الكاميرا</a></li>
<li class="toctree-l2"><a class="reference internal" href="../tutorials/#creating-digital-elevation-models">إنشاء نماذج الارتفاعات الرقمية</a></li>
<li class="toctree-l2"><a class="reference internal" href="../tutorials/#measuring-stockpile-volume">Measuring stockpile volume</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#fieldwork-planning">Fieldwork planning</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#flight-pattern">Flight pattern</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#flight-height">Flight height</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#gcps">GCPs</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#processing-parameters">Processing parameters</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#measuring">Measuring</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#expected-accuracy">Expected accuracy</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../tutorials/#using-docker">باستخدام Docker</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#listing-docker-machines">ادراج Docker ماكينات</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#accessing-logs-on-the-instance">الوصول إلى السجلات على سبيل المثال</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#command-line-access-to-instances">وصول سطر الأوامر إلى المثيلات</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#cleaning-up-after-docker">التنظيف بعد Docker</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../tutorials/#using-singularity">Using Singularity</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#downloading-image">Downloading image</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#using-singularity-sif-image">Using Singularity SIF image</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../tutorials/#using-odm-from-low-bandwidth-location">استخدام ODM من موقع النطاق الترددي المنخفض</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#what-is-this-and-who-is-it-for">ما هذا ومن هو؟</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#steps">خطوات</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#install">تثبيت</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#prep-data-and-project">إعداد البيانات والمشروع</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#resize-droplet-pull-pin-run-away">تغيير حجم القطرة ، وسحب دبوس ، والهروب</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#after-it-finishes-assuming-you-survive-that-long">بعد الانتهاء (بافتراض أنك تعيش طويلاً)</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../tutorials/#using-potree-3d-viewer-module-on-webodm">Using Potree 3D viewer module on WebODM</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#cameras">Cameras</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#textured-model">Textured model</a></li>
<li class="toctree-l3"><a class="reference internal" href="../tutorials/#appearance">Appearance</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#point-budget">Point budget</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#field-of-view">Field of view</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#eye-dome-lighting">Eye Dome-lighting</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#background">Background</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#other">Other</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../tutorials/#tools">Tools</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#measurement">Measurement</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#clipping">Clipping</a></li>
<li class="toctree-l4"><a class="reference internal" href="../tutorials/#navigation">Navigation</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../tutorials/#scene">Scene</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../arguments/">الخيارات والإعلام</a><ul>
<li class="toctree-l2"><a class="reference internal" href="../arguments/3d-tiles/">3d-tiles</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/auto-boundary/">auto-boundary</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../arguments/auto-boundary/#what-is-auto-boundary">What Is Auto-Boundary?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/auto-boundary/#when-is-auto-boundary-helpful">When Is Auto-Boundary Helpful?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/auto-boundary/#why-would-one-use-auto-boundary">Why would one use auto-boundary?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/auto-boundary/#example-images">Example Images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../arguments/auto-boundary/#true-auto-boundary">True: <code class="docutils literal notranslate"><span class="pre">--auto-boundary</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/auto-boundary/#false-null">False: <code class="docutils literal notranslate"><span class="pre">null</span></code></a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/boundary/">boundary</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../arguments/boundary/#what-is-boundary-geojson">What is Boundary [GeoJSON]?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/boundary/#when-is-boundary-geojson-appropriate">When is Boundary [GeoJSON] appropriate?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/boundary/#why-would-one-use-boundary-geojson">Why would one use Boundary [GeoJSON]?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/boundary/#how-would-one-create-boundary-geojson">How would one create Boundary [GeoJSON]?</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../arguments/boundary/#geojson-io">GeoJSON.io</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/boundary/#qgis">QGIS</a></li>
</ul>
</li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/boundary/#example-images">Example Images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../arguments/boundary/#true-boundary-geojson-point-cloud">True: <code class="docutils literal notranslate"><span class="pre">--boundary</span> <span class="pre">[GeoJSON]</span></code> - Point Cloud</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/boundary/#true-boundary-geojson-orthophoto">True: <code class="docutils literal notranslate"><span class="pre">--boundary</span> <span class="pre">[GeoJSON]</span></code> - Orthophoto</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/boundary/#true-boundary-geojson-digital-elevation-model">True: <code class="docutils literal notranslate"><span class="pre">--boundary</span> <span class="pre">[GeoJSON]</span></code> - Digital Elevation Model</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/boundary/#true-boundary-geojson-3d-model-textured-mesh">True: <code class="docutils literal notranslate"><span class="pre">--boundary</span> <span class="pre">[GeoJSON]</span></code> - 3D Model/Textured Mesh</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/boundary/#false-null">False: <code class="docutils literal notranslate"><span class="pre">null</span></code></a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/build-overviews/">build-overviews</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../arguments/build-overviews/#what-are-overviews">What Are Overviews?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/build-overviews/#when-are-overviews-appropriate">When are Overviews appropriate?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/build-overviews/#why-would-one-use-overviews">Why would one use Overviews?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/build-overviews/#example-images">Example Images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../arguments/build-overviews/#true-build-overviews">True: <code class="docutils literal notranslate"><span class="pre">--build-overviews</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/build-overviews/#false-null">False: <code class="docutils literal notranslate"><span class="pre">null</span></code></a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/camera-lens/">camera-lens</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../arguments/camera-lens/#what-are-camera-lens-models">What Are Camera Lens Models?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/camera-lens/#when-are-manual-selections-appropriate">When are manual selections appropriate?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/camera-lens/#why-would-one-use-a-particular-camera-lens-model">Why would one use a particular Camera Lens Model?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/camera-lens/#example-images">Example Images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../arguments/camera-lens/#auto-rectilinear-data"><code class="docutils literal notranslate"><span class="pre">auto</span></code> : Rectilinear Data</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/camera-lens/#brown-rectilinear-data"><code class="docutils literal notranslate"><span class="pre">brown</span></code> : Rectilinear Data</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/camera-lens/#fisheye-rectilinear-data"><code class="docutils literal notranslate"><span class="pre">fisheye</span></code> : Rectilinear Data</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/camera-lens/#perspective-rectilinear-data"><code class="docutils literal notranslate"><span class="pre">perspective</span></code> : Rectilinear Data</a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/camera-lens/#spherical-rectilinear-data"><code class="docutils literal notranslate"><span class="pre">spherical</span></code> : Rectilinear Data</a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/cameras/">cameras</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/cog/">cog</a><ul>
<li class="toctree-l3"><a class="reference internal" href="../arguments/cog/#what-are-cloud-optimized-geotiffs-cogs">What Are Cloud Optimized GeoTIFFs (COGs)?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/cog/#when-are-cogs-appropriate">When are COGs appropriate?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/cog/#why-would-one-use-cogs">Why would one use COGs?</a></li>
<li class="toctree-l3"><a class="reference internal" href="../arguments/cog/#example-images">Example Images</a><ul>
<li class="toctree-l4"><a class="reference internal" href="../arguments/cog/#true-cog">True: <code class="docutils literal notranslate"><span class="pre">--cog</span></code></a></li>
<li class="toctree-l4"><a class="reference internal" href="../arguments/cog/#false-null">False: <code class="docutils literal notranslate"><span class="pre">null</span></code></a></li>
</ul>
</li>
</ul>
</li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/copy-to/">copy-to</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/crop/">crop</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/debug/">debug</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/dem-decimation/">dem-decimation</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/dem-euclidean-map/">dem-euclidean-map</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/dem-gapfill-steps/">dem-gapfill-steps</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/dem-resolution/">dem-resolution</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/depthmap-resolution/">depthmap-resolution</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/dsm/">dsm</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/dtm/">dtm</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/end-with/">end-with</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/fast-orthophoto/">fast-orthophoto</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/feature-quality/">feature-quality</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/feature-type/">feature-type</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/force-gps/">force-gps</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/gcp/">gcp</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/geo/">geo</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/gps-accuracy/">gps-accuracy</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/help/">help</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/ignore-gsd/">ignore-gsd</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/matcher-neighbors/">matcher-neighbors</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/matcher-type/">matcher-type</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/max-concurrency/">max-concurrency</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/merge/">merge</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/mesh-octree-depth/">mesh-octree-depth</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/mesh-size/">mesh-size</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/min-num-features/">min-num-features</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/name/">name</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/no-gpu/">no-gpu</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/optimize-disk-space/">optimize-disk-space</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/orthophoto-compression/">orthophoto-compression</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/orthophoto-cutline/">orthophoto-cutline</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/orthophoto-kmz/">orthophoto-kmz</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/orthophoto-no-tiled/">orthophoto-no-tiled</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/orthophoto-png/">orthophoto-png</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/orthophoto-resolution/">orthophoto-resolution</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-classify/">pc-classify</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-copc/">pc-copc</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-csv/">pc-csv</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-ept/">pc-ept</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-filter/">pc-filter</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-geometric/">pc-geometric</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-las/">pc-las</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-quality/">pc-quality</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/pc-rectify/">pc-rectify</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../arguments/rerun/">rerun</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../arguments/skip-band-alignment/">skip-band-alignment</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../arguments/skip-report/">skip-report</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/sm-cluster/">sm-cluster</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/smrf-scalar/">smrf-scalar</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/smrf-slope/">smrf-slope</a></li>
<li class="toctree-l2"><a class="reference internal" href="../arguments/smrf-threshold/">smrf-threshold</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../arguments/split/">split</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../map-accuracy/#references">References</a></li>
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<li class="toctree-l1"><a class="reference internal" href="../geo/">Image Geolocation Files</a></li>
<li class="toctree-l1"><a class="reference internal" href="../masks/">Using Image Masks</a></li>
<li class="toctree-l1 current"><a class="current reference internal" href="#">Splitting Large Datasets</a><ul>
<li class="toctree-l2"><a class="reference internal" href="#calibrate-images">معايرة الصور</a></li>
<li class="toctree-l2"><a class="reference internal" href="#local-split-merge">دمج التجزئة المحلية</a></li>
<li class="toctree-l2"><a class="reference internal" href="#distributed-split-merge">دمج سبليت الموزعة</a><ul>
<li class="toctree-l3"><a class="reference internal" href="#getting-started-with-distributed-split-merge">الشروع في البدء في عملية دمج التجزئة الموزعة</a></li>
<li class="toctree-l3"><a class="reference internal" href="#understanding-the-cluster">فهم الكتلة</a></li>
<li class="toctree-l3"><a class="reference internal" href="#accessing-the-logs">الوصول إلى السجلات</a></li>
<li class="toctree-l3"><a class="reference internal" href="#autoscaling-clusterodm">أوتوسكالينج ClusterODM</a></li>
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<li class="toctree-l2"><a class="reference internal" href="#limitations">محددات</a></li>
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<li class="toctree-l2"><a class="reference internal" href="../multispectral/#sentera-agx710">Sentera AGX710</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../faq/#can-i-process-two-or-more-orthophoto-geotiffs-to-stitch-them-together">Can I process two or more orthophoto GeoTIFFs to stitch them together?</a></li>
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<li class="toctree-l3"><a class="reference internal" href="../faq/#are-there-other-licensing-options-aside-from-the-agplv3">Are there other licensing options aside from the AGPLv3?</a></li>
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<section id="splitting-large-datasets">
<h1>Splitting Large Datasets<a class="headerlink" href="#splitting-large-datasets" title="Permalink to this headline"></a></h1>
<p>بدءًا من إصدار ODM `` 0.6.0 ، يمكنك تقسيم مجموعات البيانات الكبيرة جدًا إلى قطع قابلة للإدارة (تسمى النماذج الفرعية) ، وتشغيل خط الأنابيب على كل قطعة ، ثم إنتاج DEMs مدمجة ، وتقويم الصور ، وسحب النقاط. يشار إلى العملية باسم &quot;الدمج المقسم&quot;.</p>
<p>لماذا قد تستخدم خط أنابيب الدمج المقسم؟ إذا كان لديك عدد كبير جدًا من الصور في مجموعة البيانات الخاصة بك ، سيساعد الدمج المقسم على جعل المعالجة أكثر قابلية للإدارة على جهاز كبير (سيتطلب ذاكرة أقل). إذا كان لديك العديد من الأجهزة المتصلة جميعها بالشبكة نفسها ، فيمكنك أيضًا معالجة النماذج الفرعية بشكل متوازٍ ، مما يسمح بالقياس الأفقي ومعالجة آلاف الصور بسرعة أكبر.</p>
<p>تعمل ميزة Split-merge في WebODM من خارج الصندوق طالما أن عقد المعالجة تدعم الدمج المقسم ، من خلال تمكين خيار `` -split '' عند إنشاء مهمة جديدة.</p>
<section id="calibrate-images">
<h2>معايرة الصور<a class="headerlink" href="#calibrate-images" title="Permalink to this headline"></a></h2>
<p>يوصى بمعايرة الصورة (ولكن ليس مطلوبًا) لمجموعات البيانات الكبيرة لأن انتشار الخطأ بسبب تشوه الصورة يمكن أن يسبب تأثير الوعاء على النماذج. يمكن العثور على تعليمات المعايرة في <a class="reference external" href="tutorials.html#calibrating-the-camera">Calibrate Images</a>.</p>
<figure class="align-center">
<img alt="image of lens distortion effect on bowling of data" src="../_images/msimbasi_bowling.png" />
</figure>
<p>تأثير البولينج على السحابة النقطية أكثر من 13000 مجموعة بيانات للصور تم جمعها من قبل البنك الدولي في تنزانيا حول حوض الفيضانات المعرض للفيضانات ، دار السلام ، تنزانيا.</p>
</section>
<section id="local-split-merge">
<h2>دمج التجزئة المحلية<a class="headerlink" href="#local-split-merge" title="Permalink to this headline"></a></h2>
<p>إن تقسيم مجموعة البيانات إلى نماذج فرعية أكثر قابلية للإدارة ومعالجة جميع النماذج الفرعية على نفس الجهاز بالتتابع أمر سهل! ما عليك سوى استخدام &quot;--split&quot; و &quot;--split-interap&quot; لتحديد متوسط ​​عدد الصور لكل نماذج فرعية والتداخل (بالأمتار) بين النماذج الفرعية على التوالي</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>docker run -ti --rm -v /my/project:/datasets/code opendronemap/odm --project-path /datasets --split <span class="m">400</span> --split-overlap <span class="m">100</span>
</pre></div>
</div>
<p>إذا كنت تعرف بالفعل كيف تريد تقسيم مجموعة البيانات ، يمكنك تقديم هذه المعلومات وسيتم استخدامها بدلاً من خوارزمية التجميع.</p>
<p>مكن توفير التجميع عن طريق إضافة ملف باسم image_groups.txt في مجلد مجموعة البيانات الرئيسي. يجب أن يحتوي الملف على سطر واحد لكل صورة. يجب أن يحتوي كل سطر على كلمتين: أولاً اسم الصورة وثانيًا اسم المجموعة التي تنتمي إليها. فمثلا:</p>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span><span class="mf">01.</span><span class="n">jpg</span> <span class="n">A</span>
<span class="mf">02.</span><span class="n">jpg</span> <span class="n">A</span>
<span class="mf">03.</span><span class="n">jpg</span> <span class="n">B</span>
<span class="mf">04.</span><span class="n">jpg</span> <span class="n">B</span>
<span class="mf">05.</span><span class="n">jpg</span> <span class="n">C</span>
</pre></div>
</div>
<p>سيتم إنشاء 3 نماذج فرعية. تأكد من تمرير &quot;--split-overap 0&quot; إذا قدمت يدويًا ملف `` image_groups.txt ''.</p>
</section>
<section id="distributed-split-merge">
<h2>دمج سبليت الموزعة<a class="headerlink" href="#distributed-split-merge" title="Permalink to this headline"></a></h2>
<p>يمكن لـ ODM أيضًا توزيع معالجة كل نموذج فرعي تلقائيًا على أجهزة متعددة عبر <a class="reference external" href="https://github.com/OpenDroneMap/NodeODM">NodeODM</a> nodes, مدبرة عبر <a class="reference external" href="https://github.com/OpenDroneMap/ClusterODM">ClusterODM</a>.</p>
<figure class="align-center">
<img alt="image of lens distortion effect on bowling of data" src="../_images/clusterodm.png" />
</figure>
<section id="getting-started-with-distributed-split-merge">
<h3>الشروع في البدء في عملية دمج التجزئة الموزعة<a class="headerlink" href="#getting-started-with-distributed-split-merge" title="Permalink to this headline"></a></h3>
<p>الخطوة الأولى هي بدء ClusterODM</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>docker run -ti -p <span class="m">3001</span>:3000 -p <span class="m">8080</span>:8080 opendronemap/clusterodm
</pre></div>
</div>
<p>ثم على كل جهاز تريد استخدامه للمعالجة ، قم بتشغيل مثيل NodeODM عبر</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>docker run -ti -p <span class="m">3000</span>:3000 opendronemap/nodeodm
</pre></div>
</div>
<p>اتصل عبر Telnet بـ ClusterODM وأضف عناوين IP / منفذ الأجهزة التي تعمل بـ NodeODM</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>$ telnet &lt;cluster-odm-ip&gt; <span class="m">8080</span>
Connected to &lt;cluster-odm-ip&gt;.
Escape character is <span class="s1">&#39;^]&#39;</span>.
<span class="o">[</span>...<span class="o">]</span>
<span class="c1"># node add &lt;node-odm-ip-1&gt; 3000</span>
<span class="c1"># node add &lt;node-odm-ip-2&gt; 3000</span>
<span class="o">[</span>...<span class="o">]</span>
<span class="c1"># node list</span>
<span class="m">1</span><span class="o">)</span> &lt;node-odm-ip-1&gt;:3000 <span class="o">[</span>online<span class="o">]</span> <span class="o">[</span><span class="m">0</span>/2<span class="o">]</span> &lt;version <span class="m">1</span>.5.1&gt;
<span class="m">2</span><span class="o">)</span> &lt;node-odm-ip-2&gt;:3000 <span class="o">[</span>online<span class="o">]</span> <span class="o">[</span><span class="m">0</span>/2<span class="o">]</span> &lt;version <span class="m">1</span>.5.1&gt;
</pre></div>
</div>
<p>تأكد من تشغيل الإصدار 1.5.1 أو أعلى من NodeODM API</p>
<p>عند هذه النقطة ، ما عليك سوى استخدام خيار <code class="docutils literal notranslate"><span class="pre">--sm-cluster</span></code> لتمكين دمج التقسيم الموزع</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>docker run -ti --rm -v /my/project:/datasets/code opendronemap/odm --project-path /datasets --split <span class="m">800</span> --split-overlap <span class="m">120</span> --sm-cluster http://&lt;cluster-odm-ip&gt;:3001
</pre></div>
</div>
</section>
<section id="understanding-the-cluster">
<h3>فهم الكتلة<a class="headerlink" href="#understanding-the-cluster" title="Permalink to this headline"></a></h3>
<p>ند الاتصال عبر telnet ، من الممكن استجواب ما يحدث على الكتلة. على سبيل المثال ، يمكننا استخدام الأمر HELP لمعرفة الأوامر المتاحة</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="c1"># HELP</span>
NODE ADD &lt;hostname&gt; &lt;port&gt; <span class="o">[</span>token<span class="o">]</span> - Add new node
NODE DEL &lt;node number&gt; - Remove a node
NODE INFO &lt;node number&gt; - View node info
NODE LIST - List nodes
NODE LOCK &lt;node number&gt; - Stop forwarding tasks to this node
NODE UNLOCK &lt;node number&gt; - Resume forwarding tasks to this node
NODE UPDATE - Update all nodes info
NODE BEST &lt;number of images&gt; - Show best node <span class="k">for</span> the number of images
ROUTE INFO &lt;taskId&gt; - Find route information <span class="k">for</span> task
ROUTE LIST <span class="o">[</span>node number<span class="o">]</span> - List routes
TASK LIST <span class="o">[</span>node number<span class="o">]</span> - List tasks
TASK INFO &lt;taskId&gt; - View task info
TASK OUTPUT &lt;taskId&gt; <span class="o">[</span>lines<span class="o">]</span> - View task output
TASK CANCEL &lt;taskId&gt; - Cancel task
TASK REMOVE &lt;taskId&gt; - Remove task
ASR VIEWCMD &lt;number of images&gt; - View <span class="nb">command</span> used to create a machine
!! - Repeat last <span class="nb">command</span>
</pre></div>
</div>
<p>إذا ، على سبيل المثال ، لم يكن مثيل NodeODM نشطًا عند بدء ClusterODM ، فقد ندرج العقد ونرى شيئًا كالتالي</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="c1"># NODE LIST</span>
<span class="m">1</span><span class="o">)</span> localhost:3000 <span class="o">[</span>offline<span class="o">]</span> <span class="o">[</span><span class="m">0</span>/2<span class="o">]</span> &lt;version <span class="m">1</span>.5.3&gt; <span class="o">[</span>L<span class="o">]</span>
</pre></div>
</div>
<p>لمعالجة هذا ، يمكننا بدء العقدة المحلية الخاصة بنا (إذا لم تكن قد بدأت بالفعل) ، ثم إجراء <code class="docutils literal notranslate"><span class="pre">تحديث</span> <span class="pre">العقدة</span></code></p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="c1"># NODE UPDATE</span>
OK
<span class="c1"># NODE LIST</span>
<span class="m">1</span><span class="o">)</span> localhost:3000 <span class="o">[</span>online<span class="o">]</span> <span class="o">[</span><span class="m">0</span>/2<span class="o">]</span> &lt;version <span class="m">1</span>.5.3&gt; <span class="o">[</span>L<span class="o">]</span>
</pre></div>
</div>
</section>
<section id="accessing-the-logs">
<h3>الوصول إلى السجلات<a class="headerlink" href="#accessing-the-logs" title="Permalink to this headline"></a></h3>
<p>أثناء تشغيل العملية ، من الممكن أيضًا سرد المهام ، وعرض إخراج المهمة</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span><span class="c1"># TASK LIST</span>
<span class="c1"># TASK OUTPUT &lt;taskId&gt; [lines]</span>
</pre></div>
</div>
</section>
<section id="autoscaling-clusterodm">
<h3>أوتوسكالينج ClusterODM<a class="headerlink" href="#autoscaling-clusterodm" title="Permalink to this headline"></a></h3>
<p>يتضمن ClusterODM أيضًا خيار القياس التلقائي على منصات متعددة ، بما في ذلك حتى الآن ، أمازون والمحيط الرقمي. يسمح ذلك للمستخدمين بتقليل التكاليف المرتبطة بالمثيلات التي تعمل دائمًا بالإضافة إلى القدرة على توسيع نطاق المعالجة بناءً على الطلب.</p>
<p>لإعداد القياس التلقائي ، يجب عليك:</p>
<ul class="simple">
<li><p>قم بتثبيت إصدار فعال من NodeJS ثم قم بتثبيت ClusterODM</p></li>
</ul>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>git clone https://github.com/OpenDroneMap/ClusterODM
<span class="nb">cd</span> ClusterODM
npm install
</pre></div>
</div>
<ul class="simple">
<li><p>تأكد من تثبيت آلة عامل الميناء.</p></li>
<li><p>قم بإعداد دلو متوافق مع S3 لتخزين النتائج.</p></li>
<li><p>قم بإنشاء ملف تكوين لـ <a class="reference external" href="https://github.com/OpenDroneMap/ClusterODM/blob/master/docs/digitalocean.md">DigitalOcean</a> or <a class="reference external" href="https://github.com/OpenDroneMap/ClusterODM/blob/master/docs/aws.md">Amazon Web Services</a>.</p></li>
</ul>
<p>يمكنك بعد ذلك تشغيل ClusterODM باستخدام</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>node index.js --asr configuration.json
</pre></div>
</div>
<p>من المفترض أن ترى شيئًا مشابهًا للرسائل التالية في وحدة التحكم</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>info: ASR: DigitalOceanAsrProvider
info: Can write to S3
info: Found docker-machine executable
</pre></div>
</div>
<p>يجب أن يكون لديك دائمًا عقدة NodeODM ثابتة واحدة على الأقل متصلة بـ ClusterODM ، حتى إذا كنت تخطط لاستخدام أداة autoscaler لجميع عمليات المعالجة. إذا قمت بإعداد التحجيم التلقائي ، فلا يمكن أن يكون لديك صفر عقد وتعتمد 100٪ على أداة القسط الآلي. تحتاج إلى إرفاق عقدة NodeODM لتكون بمثابة &quot;العقدة المرجعية&quot; وإلا فلن يعرف ClusterODM كيفية التعامل مع طلبات معينة (لإعادة توجيه واجهة المستخدم ، للتحقق من صحة الخيارات قبل تدوير مثيل ، وما إلى ذلك). لهذا الغرض ، يجب عليك إضافة عقدة NodeODM &quot;وهمية&quot; وقفلها</p>
<div class="highlight-bash notranslate"><div class="highlight"><pre><span></span>telnet localhost <span class="m">8080</span>
&gt; NODE ADD localhost <span class="m">3001</span>
&gt; NODE LOCK <span class="m">1</span>
&gt; NODE LIST
<span class="m">1</span><span class="o">)</span> localhost:3001 <span class="o">[</span>online<span class="o">]</span> <span class="o">[</span><span class="m">0</span>/2<span class="o">]</span> &lt;version <span class="m">1</span>.5.1&gt; <span class="o">[</span>L<span class="o">]</span>
</pre></div>
</div>
<p>بهذه الطريقة ستتم إعادة توجيه جميع المهام تلقائيًا إلى أوتوسكالر.</p>
</section>
</section>
<section id="limitations">
<h2>محددات<a class="headerlink" href="#limitations" title="Permalink to this headline"></a></h2>
<p>لا يتم دمج الشبكات ثلاثية الأبعاد في الوقت الحالي كجزء من سير العمل (فقط الغيوم النقطية ، DEMs و orthophotos هي).</p>
<p>يتم دعم GCP بشكل كامل ، ومع ذلك ، يجب أن يكون هناك 3 نقاط GCP على الأقل في كل نموذج فرعي حتى يتم إجراء الإشارة الجغرافية. إذا كان النموذج الفرعي يحتوي على أقل من 3 من نقاط Google Cloud Platform ، فسيتم استخدام مجموعة من بيانات GCPs + EXIF ​​المتبقية بدلاً من ذلك (والتي ستكون أقل دقة). نوصي باستخدام ملف `` image_groups.txt '' للتحكم بدقة في تقسيم النموذج الفرعي عند استخدام GCP.</p>
</section>
<section id="acknowledgments">
<h2>شكر وتقدير<a class="headerlink" href="#acknowledgments" title="Permalink to this headline"></a></h2>
<p>الدعائم الضخمة لباو والناس في Mapillary لمساهماتهم المذهلة في OpenDroneMap من خلال كود OpenSfM الخاص بهم ، والذي يعد مكونًا رئيسيًا لخط الأنابيب المدمج. نحن نتطلع إلى زيادة حدود OpenDroneMap ومعرفة مدى ضخامة مجموعة البيانات التي يمكننا معالجتها.</p>
<p><a class="reference external" href="https://github.com/opendronemap/docs#how-to-make-your-first-contribution">Learn to edit</a> and help improve <a class="reference external" href="https://github.com/OpenDroneMap/docs/blob/publish/source/large.rst">this page</a>!</p>
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