Recent questions tagged 2d

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2d - Framebuffer FBO render to texture is very slow, using OpenGL ES 2.0 on Android, why?

I am programming an Android 2d game using opengl es 2.0. After I draw my sprites to the backbuffer I draw ... and didn't find a solution. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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2d - R aggregate data in one column based on 2 other columns

So, I have these data given below, and my goal is to aggregate column v3 in terms of columns v1 and v2 and add the v3 values for ... 18.702 412 -23.957 30.033 14.725 413 -25.056 4...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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483 views

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2d color gradient plot in R

I want to produce a 2d color gradient rectangle like the ones in the picture below on the right hand side. How ... here (produced by Luca Fenu). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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948 views

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2d convolution using python and numpy

I am trying to perform a 2d convolution in python using numpy I have a 2d array as follows with kernel H_r for ... best way to do this Thanks See Question&Answers more detail:os...