AstroProjection
是 AstroGraphics 的一个选项,指定绘制天文图时使用的制图投影.
更多信息
- 在天空的 AstroGraphics 图中,选项 AstroReferenceFrame 选择定义球坐标的轴的方向和位置. 选项 AstroProjection 则选择如何将这些坐标投影到 2D 平面上.
- AstroProjection 可使用任意投影 "proj" 或 {"proj",params},其中 "proj" 是任意 GeoProjectionData 实体,params 是参数规则,如 "StandardParallels"{33,60}. GeoProjectionData["proj"] 给出投影 "proj" 的参数的默认值.
- AstroGraphics[…,AstroProjectionAutomatic] 自动选择投影. 对于较小或中等尺度的图,将会是 "Stereographic",对于大尺度的图,则取决于所使用的天文参考架.
- 对于输入中使用 Automatic 值,用 AstroProjection 构建的图,AbsoluteOptions 可用于给出明确的投影信息.
范例
打开所有单元 关闭所有单元基本范例 (3)
默认情况下,AstroGraphics 对中小规模的图使用立体投影:
AstroGraphics[Entity["Star", "Mizar"], AstroRange -> Quantity[15, "AngularDegrees"]]Options[%, AstroProjection]默认情况下,使用等距柱状投影显示采用赤道坐标系的整个天空的图:
AstroGraphics[AstroRange -> All, AstroReferenceFrame -> "Equatorial"]默认情况下,使用 Mollweide 投影显示采用银道坐标系的整个天空的图:
AstroGraphics[AstroRange -> All, AstroReferenceFrame -> {"Galactic", Here}]AstroGraphics[AstroRange -> {All, All}, AstroRangePadding -> None, AstroReferenceFrame -> {"Galactic", Here}, AstroProjection -> "LambertAzimuthal", ImageSize -> Medium]范围 (2)
AstroGraphics[{Entity["Star", "Arcturus"], Entity["Star", "Sirius"]}, AstroReferenceFrame -> "Equatorial", AstroRangePadding -> 15]AbsoluteOptions[%, AstroProjection]AstroGraphics[{Entity["Star", "Arcturus"], Entity["Star", "Sirius"]},
AstroProjection -> {"LambertAzimuthal", "Centering" -> {0, 180}}, AstroReferenceFrame -> "Equatorial", AstroRangePadding -> 10]文本
Wolfram Research (2022),AstroProjection,Wolfram 语言函数,https://reference.wolfram.com/language/ref/AstroProjection.html.
CMS
Wolfram 语言. 2022. "AstroProjection." Wolfram 语言与系统参考资料中心. Wolfram Research. https://reference.wolfram.com/language/ref/AstroProjection.html.
APA
Wolfram 语言. (2022). AstroProjection. Wolfram 语言与系统参考资料中心. 追溯自 https://reference.wolfram.com/language/ref/AstroProjection.html 年
BibTeX
@misc{reference.wolfram_2026_astroprojection, author="Wolfram Research", title="{AstroProjection}", year="2022", howpublished="\url{https://reference.wolfram.com/language/ref/AstroProjection.html}", note=[Accessed: 17-August-2026]}
BibLaTeX
@online{reference.wolfram_2026_astroprojection, organization={Wolfram Research}, title={AstroProjection}, year={2022}, url={https://reference.wolfram.com/language/ref/AstroProjection.html}, note=[Accessed: 17-August-2026]}