# Photogrammetry **URL:** https://forums.unrealengine.com/c/development-discussion/asset-creation/photogrammetry/152.md?page=7 [Latest](https://forums.unrealengine.com/latest.md) · [Categories](https://forums.unrealengine.com/categories.md) · [Tags](https://forums.unrealengine.com/tags.md) **Page:** 8 --- ## [Are CPs mandatory to get perfect alignment?](https://forums.unrealengine.com/t/are-cps-mandatory-to-get-perfect-alignment/1722364)
**Author:** [@Florian13](https://forums.unrealengine.com/u/Florian13)\ **Replies:** 5\ **Last updated:** [March 1, 2024, 1:54pm UTC](https://forums.unrealengine.com/t/are-cps-mandatory-to-get-perfect-alignment/1722364 "2024-03-01T13:54:47Z")
Simple question that sparked heavy debates internally: With a near perfect dataset (meaning plenty of very high res sharp images from all possible angles), is it absolutely mandatory to have at least a few control point… --- ## [UV Seams issue](https://forums.unrealengine.com/t/uv-seams-issue/1718539)
**Author:** [@Sauceyjack](https://forums.unrealengine.com/u/Sauceyjack)\ **Replies:** 2\ **Last updated:** [February 29, 2024, 4:47pm UTC](https://forums.unrealengine.com/t/uv-seams-issue/1718539 "2024-02-29T16:47:54Z")
I’m getting some texture artifacts on a model in Reality Capture and I don’t know what is causing it. Here’s a screenshot of what’s happening. Here’s another screenshot with just the checkerboard so it’s easier to s… --- ## [Unable to process and export to sketchfab](https://forums.unrealengine.com/t/unable-to-process-and-export-to-sketchfab/1702353)
**Author:** [@yamatoDev](https://forums.unrealengine.com/u/yamatoDev)\ **Replies:** 2\ **Last updated:** [February 21, 2024, 11:51am UTC](https://forums.unrealengine.com/t/unable-to-process-and-export-to-sketchfab/1702353 "2024-02-21T11:51:26Z")
When I tap the process and export option on my android phone it takes me to the sketchfab landing page, and that’s it. I am logged in both accounts with the same email adress. I had my sketchfab account prior to this, si… --- ## [Why is only one camera registration exported?](https://forums.unrealengine.com/t/why-is-only-one-camera-registration-exported/1651938)
**Author:** [@TKSharpless](https://forums.unrealengine.com/u/TKSharpless)\ **Replies:** 7\ **Last updated:** [January 30, 2024, 1:10pm UTC](https://forums.unrealengine.com/t/why-is-only-one-camera-registration-exported/1651938 "2024-01-30T13:10:23Z")
I’m a total noob. Trying to export camera registrations for the 14-image demo, the output has data for only one camera. I assume I need to somehow select all cams, but doing that in the images or camera poses lists doe… --- ## [Trying to resize TArray to an invalid size of 2147562356 - UE5 crash loading high poly scan](https://forums.unrealengine.com/t/trying-to-resize-tarray-to-an-invalid-size-of-2147562356-ue5-crash-loading-high-poly-scan/1648913)
**Author:** [@desmondmiles\_17](https://forums.unrealengine.com/u/desmondmiles_17)\ **Replies:** 2\ **Last updated:** [January 29, 2024, 8:38am UTC](https://forums.unrealengine.com/t/trying-to-resize-tarray-to-an-invalid-size-of-2147562356-ue5-crash-loading-high-poly-scan/1648913 "2024-01-29T08:38:43Z")
I get this error all the time i try to upload an high poly scan obj (150 ml polys) on my 64gb ram laptop. Trying to resize TArray to an invalid size of 2147562356 Anyone know how to solve this crash and finally load th… --- ## [It is possible to run Reality Capture in MacBook?](https://forums.unrealengine.com/t/it-is-possible-to-run-reality-capture-in-macbook/1644592)
**Author:** [@emesquita\_ufc](https://forums.unrealengine.com/u/emesquita_ufc)\ **Replies:** 1\ **Last updated:** [January 29, 2024, 8:05am UTC](https://forums.unrealengine.com/t/it-is-possible-to-run-reality-capture-in-macbook/1644592 "2024-01-29T08:05:37Z")
It is possible to run Reality Capture in MacBook? If yes, why can I do that? --- ## [contours export problem](https://forums.unrealengine.com/t/contours-export-problem/1636895)
**Author:** [@axford74](https://forums.unrealengine.com/u/axford74)\ **Replies:** 5\ **Last updated:** [January 28, 2024, 2:50pm UTC](https://forums.unrealengine.com/t/contours-export-problem/1636895 "2024-01-28T14:50:44Z")
Hi everyone, I have a problem, when I export the contours to DXF my CAD program only sees one point and not all the lines. The file is also very large. I understood that it exports the lines to the mesh. How do I solve t… --- ## [Upgrading RC Version from 1.2 to 1.3](https://forums.unrealengine.com/t/upgrading-rc-version-from-1-2-to-1-3/1639365)
**Author:** [@Echo4545](https://forums.unrealengine.com/u/Echo4545)\ **Replies:** 1\ **Last updated:** [January 24, 2024, 4:09pm UTC](https://forums.unrealengine.com/t/upgrading-rc-version-from-1-2-to-1-3/1639365 "2024-01-24T16:09:49Z")
Hello, I have been using my full + floating licence on Reality Capture 1.2 for some time. Now I want to upgrade my RC to version 1.3. Would this update affect my licence in any way? Can I again enter to RC new version w… --- ## [Photogrammetry of small objects](https://forums.unrealengine.com/t/photogrammetry-of-small-objects/1638559)
**Author:** [@Gregory\_A](https://forums.unrealengine.com/u/Gregory_A)\ **Replies:** 1\ **Last updated:** [January 24, 2024, 8:17am UTC](https://forums.unrealengine.com/t/photogrammetry-of-small-objects/1638559 "2024-01-24T08:17:22Z")
Hi, I would like to check what is the best approach when we need to scan a small object: to do focus bracketing and post-process the set of images in some focus stacking software ( Helicon, Photoshop) or just import … --- ## [Edit Ground Control Points using CLI](https://forums.unrealengine.com/t/edit-ground-control-points-using-cli/1621888)
**Author:** [@Junction2021](https://forums.unrealengine.com/u/Junction2021)\ **Replies:** 2\ **Last updated:** [January 18, 2024, 3:29pm UTC](https://forums.unrealengine.com/t/edit-ground-control-points-using-cli/1621888 "2024-01-18T15:29:36Z")
Hi all, I’m looking for a way to edit control points using CLI, i.e. selecting, renaming and entering grid coordinates. I’m able to do the latter two, but these are exposed under the -editControlPointSelection command.… --- ## [When breaking building glass](https://forums.unrealengine.com/t/when-breaking-building-glass/1600545)
**Author:** [@gallerykim](https://forums.unrealengine.com/u/gallerykim)\ **Replies:** 0\ **Last updated:** [January 9, 2024, 12:52am UTC](https://forums.unrealengine.com/t/when-breaking-building-glass/1600545 "2024-01-09T00:52:34Z")
I want to shoot and break the glass windows of a building. What is the usual workflow for this? I have set it up using a blueprint to switch between the original window mesh and the broken window mesh for physics simula… --- ## [Difference in quality between Reality Capture and Reality Scan](https://forums.unrealengine.com/t/difference-in-quality-between-reality-capture-and-reality-scan/1305393)
**Author:** [@Jakesjazz](https://forums.unrealengine.com/u/Jakesjazz)\ **Replies:** 7\ **Last updated:** [January 5, 2024, 11:03am UTC](https://forums.unrealengine.com/t/difference-in-quality-between-reality-capture-and-reality-scan/1305393 "2024-01-05T11:03:51Z")
Hello. Can anyone clarify the difference in qulaity that I can expect between Reality Capture and Reality Scan. I am scanning an artwork (1m x 1m x 1m) and plan to get a 3D Print made of it. Will Reality Scan give suffic… --- ## [How to make hair material/Shader like this preferable for PMX models/anime models/VRM](https://forums.unrealengine.com/t/how-to-make-hair-material-shader-like-this-preferable-for-pmx-models-anime-models-vrm/1582933)
**Author:** [@Mona](https://forums.unrealengine.com/u/Mona)\ **Replies:** 0\ **Last updated:** [January 2, 2024, 9:16pm UTC](https://forums.unrealengine.com/t/how-to-make-hair-material-shader-like-this-preferable-for-pmx-models-anime-models-vrm/1582933 "2024-01-02T21:16:11Z")
I’m trying to get material result to be like this For hair model, would also prefer the color white to be profound and the iridescent/rainbow to be secondary and scattered. I’m using unreal engine 5.1 so i don’t… --- ## [Avoiding Unwanted Filling in 3D Building Models](https://forums.unrealengine.com/t/avoiding-unwanted-filling-in-3d-building-models/1567219)
**Author:** [@N0cturnalNati0n](https://forums.unrealengine.com/u/N0cturnalNati0n)\ **Replies:** 2\ **Last updated:** [December 28, 2023, 6:34pm UTC](https://forums.unrealengine.com/t/avoiding-unwanted-filling-in-3d-building-models/1567219 "2023-12-28T18:34:46Z")
Hello, I recently started working with photogrammetry since last week. I apologize if this has been addressed before, but I have a question about something I couldn’t figure out despite my research. I took photos of a b… --- ## [Question Mark on Camera Pose name](https://forums.unrealengine.com/t/question-mark-on-camera-pose-name/1535655)
**Author:** [@Aarn00](https://forums.unrealengine.com/u/Aarn00)\ **Replies:** 3\ **Last updated:** [December 20, 2023, 12:45pm UTC](https://forums.unrealengine.com/t/question-mark-on-camera-pose-name/1535655 "2023-12-20T12:45:46Z")
Hello there I’ve made a model in reality capture, want to simplify it and when I get to click it, the error pops up: Invalid or corrupted input data. I have already checked the XML files and everything seems to be alrig… --- ## [Model reconstruction based on the laser scanner cloud](https://forums.unrealengine.com/t/model-reconstruction-based-on-the-laser-scanner-cloud/1515305)
**Author:** [@TNT\_Yois](https://forums.unrealengine.com/u/TNT_Yois)\ **Replies:** 1\ **Last updated:** [December 14, 2023, 8:22am UTC](https://forums.unrealengine.com/t/model-reconstruction-based-on-the-laser-scanner-cloud/1515305 "2023-12-14T08:22:19Z")
Hi everyone, I was wondering if in reality capture it is possible to merge a point cloud obtained from a laser scanner with a point cloud obtained from a drone, carrying out the reconstruction without the position of th… --- ## [Underwater photogrammetry](https://forums.unrealengine.com/t/underwater-photogrammetry/1483722)
**Author:** [@amfram](https://forums.unrealengine.com/u/amfram)\ **Replies:** 1\ **Last updated:** [December 5, 2023, 3:13pm UTC](https://forums.unrealengine.com/t/underwater-photogrammetry/1483722 "2023-12-05T15:13:50Z")
Hi I’m trying to model a stone dock in Reality Capture using underwater images captured with a Blueye Pioneer ROV. It uses a 1/3 inch CMOS wide angle sensor. It looks like RC are managing to stich a lot of the images t… --- ## [Knowledge Base: Filtering unwanted or selected mesh parts](https://forums.unrealengine.com/t/knowledge-base-filtering-unwanted-or-selected-mesh-parts/766720)
**Author:** [@RudyTriplett](https://forums.unrealengine.com/u/RudyTriplett)\ **Replies:** 3\ **Last updated:** [November 30, 2023, 8:37am UTC](https://forums.unrealengine.com/t/knowledge-base-filtering-unwanted-or-selected-mesh-parts/766720 "2023-11-30T08:37:19Z")
RealityCapture creates watertight meshes during reconstruction and encloses volume also in the areas that are not covered with images. This can result as a closed cube or part of cube in your mesh. If you wish to find an… --- ## [\[CLI\] How to create image texture per image layer?](https://forums.unrealengine.com/t/cli-how-to-create-image-texture-per-image-layer/1413175)
**Author:** [@mraasd](https://forums.unrealengine.com/u/mraasd)\ **Replies:** 3\ **Last updated:** [November 24, 2023, 10:12am UTC](https://forums.unrealengine.com/t/cli-how-to-create-image-texture-per-image-layer/1413175 "2023-11-24T10:12:12Z")
Hey, I am trying to automate wrinkle map sets from a head scanner setup. I am sitting a script that aims to automate the texture calculation of several image layers (normals, height, albedo). The documentation is a bi… --- ## [Cuda issue when making a mesh in Normal detail](https://forums.unrealengine.com/t/cuda-issue-when-making-a-mesh-in-normal-detail/1397468)
**Author:** [@Brodbrod22](https://forums.unrealengine.com/u/Brodbrod22)\ **Replies:** 1\ **Last updated:** [November 20, 2023, 9:13am UTC](https://forums.unrealengine.com/t/cuda-issue-when-making-a-mesh-in-normal-detail/1397468 "2023-11-20T09:13:46Z")
Hi, I recently tried to use Reality capture and I get a error report when making a normal detail mesh, basically it says try updating cuda drivers witch I did, also I updated/Reinstalled the graphics drivers. Its been a… --- ## [Flat Surface Problem](https://forums.unrealengine.com/t/flat-surface-problem/1392095)
**Author:** [@filibis](https://forums.unrealengine.com/u/filibis)\ **Replies:** 4\ **Last updated:** [November 15, 2023, 3:20pm UTC](https://forums.unrealengine.com/t/flat-surface-problem/1392095 "2023-11-15T15:20:21Z")
Hello, I’m trying to capture a completely flat surface (Like a basketball floor). Is it possible to tell Reality Capture that a surface is flat? Alignment seems okay to my eyes but when I created a mesh, it’s too bumpy. … --- ## [Reality Capture won Mesh Lidar scans](https://forums.unrealengine.com/t/reality-capture-won-mesh-lidar-scans/1382290)
**Author:** [@tgvfx1182](https://forums.unrealengine.com/u/tgvfx1182)\ **Replies:** 1\ **Last updated:** [November 13, 2023, 8:22am UTC](https://forums.unrealengine.com/t/reality-capture-won-mesh-lidar-scans/1382290 "2023-11-13T08:22:51Z")
I have scans registered in Cyclone Register 360. The Scans are from the RTC 360. I exported one e57 containing all the setups with the Structures unstructured option enabled. The scan imports and aligns and everything… --- ## [Using XMP effecting mesh quality](https://forums.unrealengine.com/t/using-xmp-effecting-mesh-quality/1375568)
**Author:** [@r42b42](https://forums.unrealengine.com/u/r42b42)\ **Replies:** 9\ **Last updated:** [November 10, 2023, 2:36pm UTC](https://forums.unrealengine.com/t/using-xmp-effecting-mesh-quality/1375568 "2023-11-10T14:36:14Z")
Hi, We are using a camera rig to capture scans and are therefore looking to utilise the use of XMP for alignment. However, when using the XMP data it results in a poor-quality resulting mesh. Also, if I use the detect m… --- ## [Flattening planes](https://forums.unrealengine.com/t/flattening-planes/1372854)
**Author:** [@jumpjack2](https://forums.unrealengine.com/u/jumpjack2)\ **Replies:** 3\ **Last updated:** [November 10, 2023, 8:51am UTC](https://forums.unrealengine.com/t/flattening-planes/1372854 "2023-11-10T08:51:33Z")
I have this very complex model: It’s 7.5 millions polygons, but it’s mostly flat, so there is no need for so many triangles; but if I apply “simplify” filter, angles are not preserved, they get smoothed. I… --- ## [Opacity map as Virtual texture because of UDIMs not working](https://forums.unrealengine.com/t/opacity-map-as-virtual-texture-because-of-udims-not-working/509693)
**Author:** [@Paul\_Hamblin](https://forums.unrealengine.com/u/Paul_Hamblin)\ **Replies:** 4\ **Last updated:** [November 8, 2023, 1:12pm UTC](https://forums.unrealengine.com/t/opacity-map-as-virtual-texture-because-of-udims-not-working/509693 "2023-11-08T13:12:43Z")
Hi, So I get this error: “\[SM5\] Sampling a virtual texture is currently not supported when connected to the Opacity Mask material attribute.” when I try to connect my opacity map which is a virtual texture because my … --- ## [Using two different cameras to scan one object](https://forums.unrealengine.com/t/using-two-different-cameras-to-scan-one-object/1371089)
**Author:** [@LoopCorp](https://forums.unrealengine.com/u/LoopCorp)\ **Replies:** 4\ **Last updated:** [November 8, 2023, 10:33am UTC](https://forums.unrealengine.com/t/using-two-different-cameras-to-scan-one-object/1371089 "2023-11-08T10:33:24Z")
I have a lot of objects to capture (turntable, polarised flash) so I am working with a friend to capture two rows at the same time. I’m on a Canon 5d MkIV, he’s on a Canon R6 but am I asking for trouble trying to combine… --- ## [Re-Importing Model empty / Texture Re-Projection](https://forums.unrealengine.com/t/re-importing-model-empty-texture-re-projection/1372917)
**Author:** [@Cai\_ZhiYuan](https://forums.unrealengine.com/u/Cai_ZhiYuan)\ **Replies:** 1\ **Last updated:** [November 8, 2023, 9:10am UTC](https://forums.unrealengine.com/t/re-importing-model-empty-texture-re-projection/1372917 "2023-11-08T09:10:43Z")
I am exporting a model with the rc info file, and then bringing it into 3D/Max. Reduce the poly-count, overwrite the file again, and then import it into Realitycapture. Now the model is not visible… If I import after ex… --- ## [Manually setting cameras orientations in Reality Capture](https://forums.unrealengine.com/t/manually-setting-cameras-orientations-in-reality-capture/1368440)
**Author:** [@jumpjack2](https://forums.unrealengine.com/u/jumpjack2)\ **Replies:** 3\ **Last updated:** [November 8, 2023, 7:56am UTC](https://forums.unrealengine.com/t/manually-setting-cameras-orientations-in-reality-capture/1368440 "2023-11-08T07:56:02Z")
I have 720 stero pairs; of each picture of the pair I know the camera location and altitude/azimuth orientation. How can I import them into RC? There is no overlapping at all between the pairs, but there is 95% overlappi… --- ## [Importing from Reality Scan for Android](https://forums.unrealengine.com/t/importing-from-reality-scan-for-android/1368439)
**Author:** [@jumpjack2](https://forums.unrealengine.com/u/jumpjack2)\ **Replies:** 1\ **Last updated:** [November 6, 2023, 4:41pm UTC](https://forums.unrealengine.com/t/importing-from-reality-scan-for-android/1368439 "2023-11-06T16:41:39Z")
The companion app for Android of Reality Capture, Reality Scan, is very interesting because it uses giroscope and accelerometer to determine orientation for each picture; can a Reality Scan dataset be imported into Real… --- ## [Lazy Susan/Turn table workflow?](https://forums.unrealengine.com/t/lazy-susan-turn-table-workflow/1346356)
**Author:** [@chelsea105918371](https://forums.unrealengine.com/u/chelsea105918371)\ **Replies:** 2\ **Last updated:** [November 6, 2023, 8:48am UTC](https://forums.unrealengine.com/t/lazy-susan-turn-table-workflow/1346356 "2023-11-06T08:48:11Z")
I’ve done a scan with a turntable/lazy susan and was wondering about the workflow within Reality Capture. I know you need masks so the software doesn’t get confused with the background… I’ve tried looking for a tutorial … [Previous page](https://forums.unrealengine.com/c/development-discussion/asset-creation/photogrammetry/152.md?page=6) [Next page](https://forums.unrealengine.com/c/development-discussion/asset-creation/photogrammetry/152.md?page=8)