JuliaPlots/Plots.jl

Polar plots radial axis limits. PGFPlots

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#1,244 建立於 2017年11月14日

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 (3 留言) (0 反應) (0 負責人)Julia (1,943 star) (381 fork)batch import
PGFPlotsXbughelp wanted

描述

using Plots
pgfplots()
plot(linspace(0, 2pi, 360), linspace(-1, 3, 360), proj = :polar)

polar

The interpretation of axis limits which contain negative numbers is weird instead of the radial axis starting at -1 it starts at 0 and interprets the negative limit as a literal negative radius. This leads to odd looking plots like above. Seems like the main issue for PGFPlots is that it always gives the origin of the polar plot a radius value of 0. Similarly when axis limits do not start at 0 you get

plot(linspace(0, 2pi, 360), linspace(2, 3, 360), proj = :polar)

polarpgfplots

貢獻者指南

技術棧
無
領域
frontend
議題類型
bug
難度面向新貢獻者的預計實作難度，1 表示很小改動，5 表示專家級工作。
3
預計時間有經驗貢獻者完成調查、實作、測試並準備 pull request 的粗略時間範圍。
half day
活動狀態議題目前的可參與程度：新鮮、活躍、陳舊、阻塞或等待維護者輸入。
stale
清晰度議題是否清楚說明預期改動、驗收標準和下一步。
clear
前置要求
basic Julia knowledgeunderstanding of Plots.jl
新手友善度1-100 的估計分數，表示該議題對首次貢獻者的友善程度。
40
研究方向
Investigate the PGFPlots backend in the Plots.jl repository, specifically the code handling polar plots and axis limits. Look for how radial axis limits are interpreted and where negative values or non zero origins cause the origin to be fixed at 0. Check the PGFPlots documentation or source for polar coordinate systems. The issue has comments discussing the behavior; read those for context. Potential files to examine: src/backends/pgfplots.jl or similar.