draco | decompressing 3D geometric meshes and point clouds

 by   google C++ Version: 1.5.6 License: Apache-2.0

kandi X-RAY | draco Summary

kandi X-RAY | draco Summary

draco is a C++ library. draco has no bugs, it has no vulnerabilities, it has a Permissive License and it has medium support. You can download it from GitHub.

. For questions/comments please email . If you have found an error in this library, please file an issue at Patches are encouraged, and may be submitted by forking this project and submitting a pull request through GitHub. See [CONTRIBUTING] for more detail.
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              draco has a medium active ecosystem.
              It has 5709 star(s) with 897 fork(s). There are 224 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 92 open issues and 556 have been closed. On average issues are closed in 47 days. There are 12 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of draco is 1.5.6

            kandi-Quality Quality

              draco has 0 bugs and 0 code smells.

            kandi-Security Security

              draco has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              draco code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              draco is licensed under the Apache-2.0 License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              draco releases are available to install and integrate.
              Installation instructions are not available. Examples and code snippets are available.
              It has 2164 lines of code, 11 functions and 53 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

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            draco Key Features

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            draco Examples and Code Snippets

            No Code Snippets are available at this moment for draco.

            Community Discussions

            QUESTION

            My threeJS class only apply meshs settings to 1 of 2 models in my scene
            Asked 2022-Apr-04 at 16:22

            I am creating a scene in three js with two models in .glb format; I am following a pre-recorded class and I have followed exactly all the steps. We create a class for the models in model.js and in index.js we define them. Everything was working fine until from model.js we created a material for the models and it only loads in one of them. I have checked everything, searched for similar answers here and I can't find the error because everything seems to be fine.

            This is model.js (the class)

            ...

            ANSWER

            Answered 2022-Apr-04 at 16:22

            I'm also a Three.js novice, but it looks like DracoLoader loads a geometry not a mesh so the way you're crafting your model might be causing the issue. Does instantiating a new THREE.Mesh with the downloaded geometry and material fix the issue:

            Source https://stackoverflow.com/questions/71730547

            QUESTION

            Using Leafproxies proxy for scraping, ValueError: Port could not be cast to integer value
            Asked 2022-Mar-17 at 13:35

            I'm a Scrapy enthusiast into scraping for 3 months. Because I really enjoy scraping, I ended up being frustrated and excitedly purchased a proxy package from Leafpad.

            Unfortunetaly, when I uploaded them to my Scrapy spider, I recevied ValueError:

            I used scrapy-rotating-proxies to integrate the proxies. I added the proxies which are not numbers but string urls like below:

            ...

            ANSWER

            Answered 2022-Feb-21 at 02:25

            The way you have defined your proxies list is not correct. You need to use the format username:password@server:port and not server:port:username:password. Try using the below definition:

            Source https://stackoverflow.com/questions/71199040

            QUESTION

            Fiware Draco - Subscription works only for the first payload. Only the first payload is saved in historical mongodb
            Asked 2022-Mar-07 at 01:42

            I am trying to save historical context data in Mongo, but without success. Only the first payload sent to Draco is saved to MongoDB for historical data, but Mongo does not react to attribute updates. Versions used for the test: Orion-LD version 0.8.0, Mongo version 4.4, Draco version 1.3.6. I tested it also with the 3.4 version of Mongo and the behavior is the same.

            Can you, please, help me to fix a problem?

            Below are the steps I performed:

            Create a Draco subscription:

            ...

            ANSWER

            Answered 2022-Mar-04 at 10:35

            We do not use that precise stack, but we have got many production deployments keeping context historical data on MongoDb by using FIWARE Orion (v2 API) with FIWARE Cygnus (NGSIMongo Sink for historical raw data, and NGSISTH Sink for aggregated data at MongoDB).

            https://github.com/telefonicaid/fiware-cygnus/blob/master/doc/cygnus-ngsi/flume_extensions_catalogue/ngsi_mongo_sink.md

            https://github.com/telefonicaid/fiware-cygnus/blob/master/doc/cygnus-ngsi/flume_extensions_catalogue/ngsi_sth_sink.md

            Maybe this help.

            Source https://stackoverflow.com/questions/71204976

            QUESTION

            Grade Marking Python Program, Not Expected Output
            Asked 2022-Mar-02 at 22:29

            Here are the rules to my assignment: You have access to a database of student_scores in the format of a dictionary. The keys in student_scores are the names of the students and the values are their exam scores.

            Write a program that converts their scores to grades. By the end of your program, you should have a new dictionary called student_grades that should contain student names for keys and their grades for values. The final version of the student_grades dictionary will be checked.

            DO NOT modify lines 1-7 to change the existing student_scores dictionary.

            This is the scoring criteria:

            Scores 91 - 100: Grade = "Outstanding"

            Scores 81 - 90: Grade = "Exceeds Expectations"

            Scores 71 - 80: Grade = "Acceptable"

            Scores 70 or lower: Grade = "Fail"

            Expected Output '{'Harry': 'Exceeds Expectations', 'Ron': 'Acceptable', 'Hermione': 'Outstanding', 'Draco': 'Acceptable', 'Neville': 'Fail'}'

            Here is my code:

            ...

            ANSWER

            Answered 2022-Mar-02 at 16:17
            for key in student_scores:
                for num in range(0, len(student_scores)-1):
                    student_grades[key] = gradeslist[num] 
            

            Source https://stackoverflow.com/questions/71315096

            QUESTION

            Searching through an array
            Asked 2022-Feb-18 at 19:47

            Trying to learn how to think in jq script.

            Given this data:

            ...

            ANSWER

            Answered 2022-Feb-18 at 19:34

            You have an array of objects called "characters" each containing a "first" and "last" variable. Now to get the first one. Go characters[0].first which would return. "Fred" Or characters.[3].last would return "Weasley" Note the first entry in array is fetched by index 0. Make sense?

            Source https://stackoverflow.com/questions/71178902

            QUESTION

            Loop through Python dictionary and add different values with same keys to a new dictionary
            Asked 2022-Feb-08 at 18:32

            I am really stuck with this exercise. How can I with a for loop add the same keys with a new values to a different dictionary in Python?

            Goal is to loops through student grades and replace them with "Excellent", "Bad", etc.

            This is as far as I could get:

            ...

            ANSWER

            Answered 2022-Feb-08 at 18:32

            You can add values to a dictionary by simply assigning the value to the dictionary indexed by the key. For example, student_grades["Harry"] = "Excellent"

            You can do the same in your loop:

            Source https://stackoverflow.com/questions/71039013

            QUESTION

            TypeError: unsupported operand type(s) for +=: 'dict' and 'str'
            Asked 2022-Feb-07 at 04:24

            student scores:

            ...

            ANSWER

            Answered 2022-Feb-07 at 04:24

            As the exception message points out, the line student_grades += key isn't doing anything that makes sense. student_grades is an (initially empty) dictionary, and key is a string with the name of a student in it. You can't add those things together. I'm not even sure what you intended it to do, so I can't exactly tell you what to do differently to achieve your objective.

            What I do see is that you're modifying the dictionary with the input scores in place in the if/elif blocks. Perhaps you don't want to be doing that? If you changed all the assignment statements to use student_grades instead of student_scores (while leaving the references to students_scores in the if and elif conditions), you'd probably get what you wanted, without any extra steps:

            Source https://stackoverflow.com/questions/71012277

            QUESTION

            Scrapy FormRequest for a complicated payload
            Asked 2021-Dec-27 at 12:19

            In a website with lawyers' work details, I'm trying to scrape information through this 4 layered algoritm where I need to do two FormRequests:

            1. Access the link containing the search box which submits the name of the lawyer requests (image1) ("ali" is passed as the name inquiry)
            2. Make the search request with the payload through FormRequest, thereby accessing the page with lawyers found (image2)
            3. Consecutively clicking on the magnifying glass buttons to reach the pages with each lawyers details through FormRequest (image3) (ERROR OCCURS HERE)
            4. Parsing each lawyer's data points indicated in image3

            PROBLEM: My first FormRequest works that I can reach the list of lawyers. Then I encounter two problems:

            1. Problem1: My for loop only works for the first lawyer found.
            2. Problem2: Second FormRequest just doesn't work.

            My insight: Checking the payload needed for the 2nd FormRequest for each lawyer requested, all the value numbers of as a bulk are added to the payload as well as the index number of the lawyer requested.

            Am I really supposed to pass all the values for each request? How can send the correct payload? In my code I attempted to send the particular lawyer's value and index as a payload but it didn't work. What kind of a code should I use to get the details of all lawyers in the list?

            ...

            ANSWER

            Answered 2021-Dec-27 at 12:19

            The website uses some kind of protection, this code works sometimes and once it's detected, you'll have to wait a while until their anti-bot clear things or use proxies instead:

            Import this:

            Source https://stackoverflow.com/questions/70490261

            QUESTION

            gltf animations are not playing with flat shader
            Asked 2021-Dec-13 at 12:05

            I am using A-Frame 1.2.0. I have a gltf model on scene and I want to add flat shader this model.

            ...

            ANSWER

            Answered 2021-Dec-13 at 12:05

            In a-frames version of threejs (modified 125) , You need to "tell" the material, that your model utilizes "skinning" for animations:

            Source https://stackoverflow.com/questions/70333485

            QUESTION

            How To Get Clicked Geometry’s Name Attribute From BufferGeometry in ThreeJS?
            Asked 2021-Sep-30 at 15:57

            I’m developing a VueJs application and added 1000 box model to the scene. Although I’ve set the every geometry’s name attribute when I clicked the box model I couldn’t get the box geometry’s name. I think this is caused by applying merged buffer geometry. Is it possible to get name attribute by clicking in some way ?

            Here is my code;

            ...

            ANSWER

            Answered 2021-Sep-30 at 15:57

            I assume you're trying to merge the geometry to increase render performance. While you did manage to reduce the number of draw calls the GPU had to make, you also removed all uniqueness of the different BufferGeometry objects. Your geometry is now represented by one big buffer (debug oGeometriesCubes.attributes.position.array to see this).

            In the interest of performance, we can not only save you GPU draw calls, but also memory, and we can get your box picking to work as well. Let's start from scratch. It will seem like we've taken a step backward, but then it will all fall together...

            Your geometry definitions

            First, you do not need to uniquely identify each BufferGeometry. Mesh objects can share geometry! AND materials! This equates to memory savings.

            Having unique Mesh objects also means you can put the name and translation information at the Mesh level. Translating at the geometry level 1000 times is expensive, even if you do it up-front like you do. Trust that the GPU can do these translations very quickly from the Mesh level. It's literally the GPU's job.

            Your mesh definitions

            Now, we're still looking at 1000 meshes, which means 1000 draw calls, right? That's where InstancedMesh comes into play.

            Instancing--in very simple terms--is a way for the GPU to not only re-use the geometry buffer information, but also to perform the drawing of all 1000 meshes in a single swipe, rather than one at a time.

            To sum it up:

            • Using only one BufferGeometry object...
            • And one material...
            • We'll draw 1000 instances...
            • In one draw call.

            Ready? Let's do it.

            The code

            Source https://stackoverflow.com/questions/69347020

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install draco

            You can download it from GitHub.

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            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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