three-d | 3D renderer - makes it simple to draw stuff across platforms | Graphics library
kandi X-RAY | three-d Summary
kandi X-RAY | three-d Summary
A renderer which seeks to make graphics simple but still have the power to draw exactly what you want. three-d can for example be used for.
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QUESTION
How can I replicate matrix in Haskell Accelerate?
For example, I have a matrix mat :: Matrix (Z :. 2 :. 5) ...
. I want to get a three-dimensional array with shape Z :. 9 :. 2 :. 5
.
I tried to use A.replicate (A.lift (Z :. 9 :. All)) mat
, but I get an error
Couldn't match type ‘Z’ with ‘DIM0 :. Int’ Expected type: Acc (Array (SliceShape ((Z :. Int) :. All)) a) Actual type: Acc (Matrix a)
What does that mean?
And similarly, if I have a matrix with shape Z :. 9 :. 5
, how can I get a three-dimensional array with shape Z :. 9 :. 2 :. 5
?
ANSWER
Answered 2021-Jun-14 at 10:22The problem is that the slice needs to have the same rank (number of dimensions) as the input array. All
does not mean 'all the rest of the dimensions', but it only means 'all the elements in this dimension'. So you can solve your issue with:
QUESTION
I have a text file that contains abbreviations like so (simplified example):
...ANSWER
Answered 2021-Jun-11 at 10:22Here’s a ‘tidyverse’ solution:
QUESTION
If I want switch from a Kaggle notebook to a Colab notebook, I can download the notebook from Kaggle and open the notebook in Google Colab. The problem with this is that you would normally also need to download and upload the Kaggle dataset, which is quite an effort.
If you have a small dataset or if you need just a smaller file of a dataset, you can put the datasets into the same folder structure that the Kaggle notebook expects. Thus, you will need to create that structure in Google Colab, like kaggle/input/
or whatever, and upload it there. That is not the issue.
If you have a large dataset, though, you can either:
- mount your Google Drive and use the dataset / file from there
- or you download the Kaggle dataset from Kaggle into colab, following the official Colab guide at Easiest way to download kaggle data in Google Colab, please use the link for more details:
Please follow the steps below to download and use kaggle data within Google Colab:
Go to your Kaggle account, Scroll to API section and Click Expire API Token to remove previous tokens
Click on Create New API Token - It will download kaggle.json file on your machine.
Go to your Google Colab project file and run the following commands:
- ...
ANSWER
Answered 2021-May-27 at 10:17You could write a script that downloads only certain files or the files one after the other:
QUESTION
ANSWER
Answered 2021-May-27 at 02:39Have you tried bootstrap Horizontal alignment. Centered with .justify-content-center:
QUESTION
I'm trying to use a compute shader to do three-dimensional physical simulations but having trouble storing anything into my 3D texture. My shaders compile successfully but when reading back any value from the 3D texture I get a zero vector. I haven't used compute shaders before either so I'm not sure if I'm even distributing the work load properly in order to achieve what I want.
I've isolated the problem in a small example here. Basically the compute.glsl shader has a uniform image3D and uses imageStore to write a vec4(1,1,0,1) into gl_WorkGroupID. In C++ I create a 100x100x100 3D texture and bind it to the shader's uniform, then I call glDispatchCompute(100,100,100) - to my knowledge, this will create 1,000,000 jobs/shader invocations, one for each coordinate in the texture. In my view.glsl fragment shader I read the value of a random coordinate (in this case (3,5,7)) and output that. I use this shade a cube object.
Everything I've tried results in a black cube being output:
Here's my code (I've been following along with learnopengl.com so it's mostly the same boiler plate stuff except I extended the shader class to handle compute shaders):
...ANSWER
Answered 2021-Apr-23 at 19:15It turned out that I was missing a call to glBindImageTexture - I thought that in order to bind my texture to the shader's image variable I needed to set the uniform and call glActiveTexture+glBindTexture but it seems only glBindImageTexture is needed.
I replaced:
QUESTION
I am following a tutorial regarding converting an integer number into a spoken-word equivalent in C#.
I am getting a bit confused about the three digit rule.
...ANSWER
Answered 2021-Apr-16 at 19:11The code you are showing us is not matching but rather assigning the value 111 to the first item of the digitGroupsArray.
How many items has digitGroupsArray? I don't know, it depends on the 'groups' variable value, which we can't see in the code excerpt.
Here:
QUESTION
I'm looking for a RegEx expression that lets me find all instances that match a pattern.
PowerShell:
...ANSWER
Answered 2021-Apr-14 at 10:19You can use
QUESTION
I found a issue when i was using Android Room on devices with android version 7 or older.
The issue is printf
function in sqlite3 has three-digit separator capability but this feature is not available in older version of library.
I decided to attach sqlite3 library to my application so my application will use certain version of sqlite3.
I followed instructions in SQLite Android Bindings and build aar file with my app. but i have to use org.sqlite.database.sqlite.SQLiteDatabase
class to use sqlite library in AAR.
This is ok if write my own wrapper for sqlite access but when i am using Android Room is there any way to force Room to works with org.sqlite.database.sqlite.SQLiteDatabase
instead of Android version.
ANSWER
Answered 2021-Apr-13 at 03:34There is an implementation (Thanks to bwt) for more detail
gradle file
QUESTION
EDIT: This is the effect that I'm looking for.
I apologize if the question is worded a bit strangely, but essentially, I have two blocks (one div, one icon) inside a div, which is inside another parent div whose width is dynamically adjusted depending on the width of the text. Basically, I want the icon to remain both inline with the other div, and also be right aligned every time the parent div expands. How can I achieve this?
HTML
...ANSWER
Answered 2021-Apr-10 at 18:16You can add width: 100%
to the .date-and-comment-removal
and it does what you want.
QUESTION
I have a piece of code which iterates over a three-dimensional array and writes into each cell a value based on the indices and the current value itself:
...ANSWER
Answered 2021-Apr-01 at 09:47An interesting question, with a few possible solutions. As you indicated, it is possible to use np.array_split
, but since we are only interested in the indices, we can also use np.unravel_index, which would mean that we only have to loop over all the indices (the size) of the array to get the index.
Now there are two great ideas for multiprocessing:
- Create a (thread safe) shared memory of the array and splitting the indices across the different processes.
- Only update the array in a main thread, but provide a copy of the required data to the processes and let them return the value that has to be updated.
Both solutions will work for any np.ndarray
, but have different advantages. Creating a shared memory doesn't create copies, but can have a large insertion penalty if it has to wait on other processes (the computational time, is small compared to the write time.)
There are probably many more solutions, but I will work out the first solution, where a Shared Memory object is created and a range of indices is provided to every process.
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