geometry-surface

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Create PDF with (resized) PNG images using Pycairo - rescaling Surface issue

I have som PNG image links that I want to download, \"convert to thumbnails\" and save to PDF using Python and Cairo.[详细]

2023-03-28 16:21 分类：问答
plot a set of 3D data in different angles in MATLAB

I have a formula that depends on theta and phi (spherical coordinates 0<=theta<=2*pi and 0<=phi<=pi). By inserting each engle, I obtained a quantity. Now I have a set of data for different[详细]

2023-03-21 06:09 分类：问答
Making a 3D surface from time series data in R

I have a large data set which I would like to make a 3D surface from. I would like the x-axis to be the date, the y-axis to be the time (24h) and the z-axis (height) to be a value I have ($). I am a b[详细]

2023-03-14 08:01 分类：问答
Isovalue in Matlab's Isosurface

As I read the Matlab help, the isosurface() takes the form of fv = isosurface(V,isovalue) V is the volume data,[详细]

2023-03-02 22:53 分类：问答
Surface reconstruction from 3D point cloud dealing with unwanted overlapping surface?

After reading the two nice posts Algorithm for simplifying 3d surface? https://stackoverflow.com/questions/838761/robust-algorithm-for-surface-reconstruction-from-3d-point-cloud[详细]

2023-02-15 20:23 分类：问答
Normalizing colors in matplotlib

I am trying to plot a surface using matplotlib using the code below: from matplotlib import cm import matplotlib.pyplot as plt[详细]

2023-02-15 07:08 分类：问答
Plotting surface without axes

I want to plot a surface wit开发者_StackOverflow中文版hout axes planes.. I think I\'ll explain better with images:[详细]

2023-02-14 06:04 分类：问答
modelling 3d cells defined by intersections of surfaces

I\'m trying to create an interactive 3d representation of cells that are defined by the intersection of arbitrary surfaces.I\'m having a hard time figuring out how to create a mesh from this (or is th[详细]

2023-01-26 16:28 分类：问答
Pygame - calling surface.convert() on animated sprite causes transparent background to become white

Everyone says to use .convert() on surfaces to speed up animations (which will be an issue with my game because it will be an MMO to some extent, so it might have a dozen or a couple dozen characters[详细]

2023-01-14 15:24 分类：问答
Negative coordinates in pygame

What 开发者_如何学Cwould be the best way to use negative coordinates in pygame? At the moment I have a surface that is 1.5 times the original surface then everything that needs to be drawn is shifted[详细]

2023-01-07 16:36 分类：问答