graphics Archives - iZZiSwift

Matplotlib/pyplot: How to enforce axis range?

January 7, 2021 James Cameron

Question or problem about Python programming: I would like to draw a standard 2D line graph with pylot, but force the axes’ values to be between 0 and 600 on the x, and 10k and 20k on the y. Let me go with an example…

Speeding up rendering in SceneKit

January 6, 2021 James Cameron

Question or problem in the Swift programming language: So, I am using SceneKit to render a collection of parametric surfaces (the sum of which make an object). To put these on screen I am creating custom geometries by sampling the points and creating triangles. Here is a quick over view of how I do it.

Set custom dataset values – Charts 3.0.4 and Using Swift 4.0

January 5, 2021 Andrew Rocky

Question or problem in the Swift programming language: I want to show some random values in position of (1,2,3,4,5,6) like (16,23,323,63,8,66) in graph points. Im using line chart in charts framework.

Functions Defined The core of extensible programming is defining functions. Python allows mandatory and optional arguments, keyword arguments, and even arbitrary argument lists.

Python equivalent to ‘hold on’ in Matlab

January 2, 2021 Abreonia Ng

Question or problem about Python programming: Is there an explicit equivalent command in Python’s matplotlib for Matlab’s hold on? I’m trying to plot all my graphs on the same axes. Some graphs are generated inside a for loop, and these are plotted separately from su and sl:

Is there an interactive graphing library for python

December 31, 2020 Abreonia Ng

Question or problem about Python programming: I’m looking for an interactive graphing library for Python.

Inkscape export window not displaying??

December 24, 2020 Ollie MC

Question or issue on macOS: I am trying to export a png with transparent background to use as a favicon. However when I am in Inkscape and use the “save as” option the background is not transparent. After looking around, people said I needed to export instead to get the transparent background.

facebook graph request using swift 5

December 23, 2020 Bell Jacquise

Question or problem in the Swift programming language: I am trying to implement a facebook graph request just as described on their developer´s doc page (https://developers.facebook.com/docs/swift/graph). Xcode 10.2.1, swift 5.

matplotlib bar graph black – how do I remove bar borders

December 19, 2020 Ogima Cooper

Question or problem about Python programming: I’m using pyplot.bar but I’m plotting so many points that the color of the bars is always black. This is because the borders of the bars are black and there are so many of them that they are all squished together so that all you see is the borders […]

matplotlib savefig() plots different from show()

December 18, 2020 Bell Jacquise

Question or problem about Python programming: When I use show() to plot the graphs in X, the graphs looks very good. However when I start to use savefig() to generate large amount of graphs, the savefig() generated graphs ‘ font, lines, polygons all look smaller than the show() generated graph. My environment is Ubuntu and […]

Swift 3: Drawing a rectangle

December 12, 2020 Abreonia Ng

Question or problem in the Swift programming language: I’m 3 days new to swift, and I’m trying to figure out how to draw a rectangle. I’m too new to the language to know the classes to extend and the methods to override, and I’ve looked around for sample code, but nothing seems to work (which […]