874 lines
77 KiB
Plaintext
874 lines
77 KiB
Plaintext
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Classes to support contour plotting and labelling for the Axes class.
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é )Ú ExitStackN)ÚIntegral)Úma)Ú_apiÚ
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_docstring)Ú MouseButton)ÚLine2D)ÚPath)ÚTextc ó — | j j d¬« j }|j dk( }|j dk( }|r |j t
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NT©ÚrootÚbutton_press_eventÚkey_press_event)ÚescapeÚenter)Ú backspaceÚdeleter F)Ú transformÚinlineÚinline_spacing)ÚaxesÚ
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get_figureÚcanvasÚnameÚbuttonr ÚMIDDLEÚkeyÚstop_event_loopÚRIGHTÚ pop_labelÚdrawÚLEFTÚcontainsÚadd_label_nearÚxÚy)Úcsr r Úeventr Ú is_buttonÚis_keys úU/home/antigravity/intellecton/venv/lib/python3.12/site-packages/matplotlib/contour.pyÚ _contour_labeler_event_handlerr- s" € Ø
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d„ Zˆ fd„Zˆ xZS )ÚContourLabelerz7Mixin to provide labelling capability to `.ContourSet`.NTé F) Úfontsizer r ÚfmtÚcolorsÚuse_clabeltextÚmanualÚ rightside_upÚzorderc óÜ — |€&t j d¬« }|j « || _ || _ || _ | | _ |
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« |j |« Œ. t |« t | « k rt! d| › d| j › �« ‚|| _ | | _ t' j( |¬« | _ |€7| | _ t/ j0 | j | j$ « | _ n„t5 j6 |t | j" « ¬« }t t t | j" « « « | _ t9 j: |t5 j< « ¬« | _ g | _ t/ j@ |« r |D ] \ }}| jC ||||« Œ n‘|r}tE d « tE d
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« ddgdtQ jR tT | ||« ¬« n| jW ||« tY jZ d| j\ « S )a|
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Label a contour plot.
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Adds labels to line contours in this `.ContourSet` (which inherits from
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this mixin class).
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Parameters
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----------
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levels : array-like, optional
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A list of level values, that should be labeled. The list must be
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a subset of ``cs.levels``. If not given, all levels are labeled.
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fontsize : str or float, default: :rc:`font.size`
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Size in points or relative size e.g., 'smaller', 'x-large'.
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See `.Text.set_size` for accepted string values.
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colors : :mpltype:`color` or colors or None, default: None
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The label colors:
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- If *None*, the color of each label matches the color of
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the corresponding contour.
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- If one string color, e.g., *colors* = 'r' or *colors* =
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'red', all labels will be plotted in this color.
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- If a tuple of colors (string, float, RGB, etc), different labels
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will be plotted in different colors in the order specified.
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inline : bool, default: True
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If ``True`` the underlying contour is removed where the label is
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placed.
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inline_spacing : float, default: 5
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Space in pixels to leave on each side of label when placing inline.
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This spacing will be exact for labels at locations where the
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contour is straight, less so for labels on curved contours.
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fmt : `.Formatter` or str or callable or dict, optional
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How the levels are formatted:
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- If a `.Formatter`, it is used to format all levels at once, using
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its `.Formatter.format_ticks` method.
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- If a str, it is interpreted as a %-style format string.
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- If a callable, it is called with one level at a time and should
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return the corresponding label.
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- If a dict, it should directly map levels to labels.
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The default is to use a standard `.ScalarFormatter`.
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manual : bool or iterable, default: False
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If ``True``, contour labels will be placed manually using
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mouse clicks. Click the first button near a contour to
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add a label, click the second button (or potentially both
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mouse buttons at once) to finish adding labels. The third
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button can be used to remove the last label added, but
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only if labels are not inline. Alternatively, the keyboard
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can be used to select label locations (enter to end label
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placement, delete or backspace act like the third mouse button,
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and any other key will select a label location).
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*manual* can also be an iterable object of (x, y) tuples.
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Contour labels will be created as if mouse is clicked at each
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(x, y) position.
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rightside_up : bool, default: True
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If ``True``, label rotations will always be plus
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or minus 90 degrees from level.
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use_clabeltext : bool, default: False
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If ``True``, use `.Text.set_transform_rotates_text` to ensure that
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label rotation is updated whenever the Axes aspect changes.
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zorder : float or None, default: ``(2 + contour.get_zorder())``
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zorder of the contour labels.
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Returns
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-------
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labels
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A list of `.Text` instances for the labels.
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F)Ú useOffseté zSpecified levels z don't match available levels )Úsize©ÚN)ÚcmapÚnormz9Select label locations manually using first mouse button.z.End manual selection with second mouse button.z1Remove last label by clicking third mouse button.Tr
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r r éÿÿÿÿ)ÚtimeoutÚhandlerz text.Text)/ÚtickerÚScalarFormatterÚcreate_dummy_axisÚlabelFmtÚ_use_clabeltextÚ labelManualr7 Ú
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get_zorderÚ_clabel_zorderÚlevelsÚlistÚrangeÚlenÚcvaluesÚ enumerateÚappendÚ
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ValueErrorÚlabelLevelListÚlabelIndiceListÚ font_managerÚFontPropertiesÚ_label_font_propsÚ
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g| ¢|| d ‘« }|t ||« fS # t $ r t |« } Y �Œ`w xY w) aÓ
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Prepare for insertion of a label at index *idx* of *path*.
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Parameters
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----------
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path : Path
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The path where the label will be inserted, in data space.
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idx : int
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The vertex index after which the label will be inserted.
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screen_pos : (float, float)
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The position where the label will be inserted, in screen space.
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lw : float
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The label width, in screen space.
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spacing : float
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Extra spacing around the label, in screen space.
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Returns
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-------
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path : Path
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The path, broken so that the label can be drawn over it.
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angle : float
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The rotation of the label.
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|
|||
|
|
Notes
|
|||
|
|
-----
|
|||
|
|
Both tasks are done together to avoid calculating path lengths multiple times,
|
|||
|
|
which is relatively costly.
|
|||
|
|
|
|||
|
|
The method used here involves computing the path length along the contour in
|
|||
|
|
pixel coordinates and then looking (label width / 2) away from central point to
|
|||
|
|
determine rotation and then to break contour if desired. The extra spacing is
|
|||
|
|
taken into account when breaking the path, but not when computing the angle.
|
|||
|
|
r rv rA r€ Nc ój — |j D �cg c] }t j | ||« ‘Œ c}S c c}w ©N)ÚTrZ Úinterp)r& ÚxpÚfpÚcols r, Ú
|
|||
|
|
interp_veczEContourLabeler._split_path_and_get_label_rotation.<locals>.interp_vec] s& € ÈBÏDÉDÖ*QÀS¬2¯9©9°Q¸¸CÕ+@Ò*QÐ#QùÒ*Qs � 0r; éZ é´ )ÚleftÚright) ÚverticesÚcodesÚ
|
|||
|
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get_transformÚinvertedr rZ ÚallcloseÚinsertr
|
|||
|
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ÚLINETOÚMOVETOÚnonzeroÚ
|
|||
|
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IndexErrorrO Ú CLOSEPOLYÚ concatenateÚcumsumr¢ Údiffrº ÚarrayÚrad2degÚarctan2r7 r» rN ÚmathÚfloorr Úextend)!rn Úpathrµ Ú
|
|||
|
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screen_posr† ÚspacingÚxysrÅ ÚposÚmovetosÚstartÚstopÚcc_xysÚis_closed_pathr¿ Ú
|
|||
|
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screen_xysÚ path_cplsÚ target_cplsÚsx0Úsx1Úsy0Úsy1ÚangleÚi0Úi1Úx0Úx1Úy0Úy1Ú
|
|||
|
|
new_xy_blocksÚnew_code_blocksÚpointsÚnliness! r, Ú"_split_path_and_get_label_rotationz1ContourLabeler._split_path_and_get_label_rotation s- € ðD �m‰mˆØ—
|
|||
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|
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|
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Ð N°Ð NÀÀtÀuÀ Ð NÓOˆà”d˜3 Ó&Ð&Ð&øôC ò Ü�u“:‹Dð ús Ã
|
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P! Ð!P9Ð8P9c ó — | j j j « j ||f« \ }}t ||| j || j « |dd| j | j j || j « ¬« | j | j j ¬«
|
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}| j rM| j j j « j |g||gg« \ } |j | d¬« | j j# |« | j$ j# |« | j& j# ||f« | j j) |« y)zAAdd a contour label, respecting whether *use_clabeltext* was set.Úcenter)Úalpha)ÚtextÚrotationÚhorizontalalignmentÚverticalalignmentr8 ÚcolorrŠ Úclip_boxT)rù Útransform_rotates_textN)r Ú transDatarÇ r r rŒ rG rK rY Úto_rgbaÚ get_alpharX ÚbboxrH Útransform_anglesÚsetrm rR Ú labelCValuesrb Ú
|
|||
|
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add_artist)
|
|||
|
|
rn r& r' rù rr ÚcvalueÚdata_xÚdata_yÚtÚ
|
|||
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data_rotations
|
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r, Ú add_labelzContourLabeler.add_label’ s. € à Ÿ™×,Ñ,×5Ñ5Ó7×AÑAÀ1ÀaÀ&ÓI‰ˆ�Ü Ø �FØ— ‘ ˜s D§M¡MÓ2Ø Ø (¸HØ×&Ñ&Ø×$Ñ$×,Ñ,¨V¸4¿>¹>Ó;KÐ,ÓLØ ×1Ñ1Ø—Y‘Y—^‘^ô
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« } | j | ||| |« \ } } | j g |¢| ‘| j | ‘| j | ‘Ž |r| | j |< yy)a†
|
|||
|
|
Add a label near the point ``(x, y)``.
|
|||
|
|
|
|||
|
|
Parameters
|
|||
|
|
----------
|
|||
|
|
x, y : float
|
|||
|
|
The approximate location of the label.
|
|||
|
|
inline : bool, default: True
|
|||
|
|
If *True* remove the segment of the contour beneath the label.
|
|||
|
|
inline_spacing : int, default: 5
|
|||
|
|
Space in pixels to leave on each side of label when placing
|
|||
|
|
inline. This spacing will be exact for labels at locations where
|
|||
|
|
the contour is straight, less so for labels on curved contours.
|
|||
|
|
transform : `.Transform` or `False`, default: ``self.axes.transData``
|
|||
|
|
A transform applied to ``(x, y)`` before labeling. The default
|
|||
|
|
causes ``(x, y)`` to be interpreted as data coordinates. `False`
|
|||
|
|
is a synonym for `.IdentityTransform`; i.e. ``(x, y)`` should be
|
|||
|
|
interpreted as display coordinates.
|
|||
|
|
N)r rÿ Úconvert_xunitsÚconvert_yunitsr Ú_find_nearest_contourrU Ú_pathsÚindexr’ rô r rT r\ )
|
|||
|
|
rn r& r' r r r Ú
|
|||
|
|
idx_level_minÚ idx_vtx_minÚprojrØ ÚlevelÚ label_widthrù s
|
|||
|
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r, r% z ContourLabeler.add_label_near¨ s/ € ð, Ð Ø Ÿ ™ ×+Ñ+ˆIÙ Ø— ‘ ×(Ñ(¨Ó+ˆAØ— ‘ ×(Ñ(¨Ó+ˆAØ ×&Ñ&¨¨1 vÓ.‰DˆAˆqà+/×+EÑ+EØ
|
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�ˆF�D×(Ñ(ó,*Ñ(ˆ
|
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|
|||
|
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Ò &ð r. c ó� — | j j |« | j j |« }|j « y)z>Defaults to removing last label, but any index can be suppliedN)r Úpoprm Úremove)rn r r
|
|||
|
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s r, r! zContourLabeler.pop_labelÒ s3 € à ×Ñ× Ñ ˜eÔ$Ø �O‰O× Ñ Ó &ˆØ �‰�
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|
|||
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Úmake_compound_path)rn r r rµ Úiconrr r Útransr Ú additionsÚsubpathrâ r& r' rù rØ s r, rj zContourLabeler.labelsØ s? € Ü(1´#Ø×$Ñ$Ø×#Ñ#Ø×$Ñ$ó3
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×&Ñ&Ó(ˆEØ ×3Ñ3°CÓ8ˆK؈IØ Ÿ;™; tÑ,×GÑGÓIò
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|||
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|||
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__classcell__©r% s @r, r0 r0 : st ø„ ÙAðU?Ø T¸!Àب5¸Ø ¨ôU?ònQò -ò 4ò ò <óDx'òt ð, @AØ!%ó(.óTò H÷6ð r. r0 c ó° — t | « dk( r || d z
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|||
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|
|||
|
|
Parameters
|
|||
|
|
----------
|
|||
|
|
xys : (N, 2) array-like
|
|||
|
|
Coordinates of vertices.
|
|||
|
|
p : (float, float)
|
|||
|
|
Coordinates of point.
|
|||
|
|
|
|||
|
|
Returns
|
|||
|
|
-------
|
|||
|
|
d2min : float
|
|||
|
|
Minimum square distance of *p* to *xys*.
|
|||
|
|
proj : (float, float)
|
|||
|
|
Projection of *p* onto *xys*.
|
|||
|
|
imin : (int, int)
|
|||
|
|
Consecutive indices of vertices of segment in *xys* where *proj* is.
|
|||
|
|
Segments are considered as including their end-points; i.e. if the
|
|||
|
|
closest point on the path is a node in *xys* with index *i*, this
|
|||
|
|
returns ``(i-1, i)``. For the special case where *xys* is a single
|
|||
|
|
point, this returns ``(0, 0)``.
|
|||
|
|
r€ r r; ©r r NrA rv )rO r¥ rZ ÚclipÚargmin)rÛ ÚpÚdxysÚnormsÚ rel_projsÚprojsÚd2sÚimins r, Ú_find_closest_point_on_pathr7 ù s € ô, ˆ3ƒx�1‚}Ø�c˜!‘f‘* Ñ"×'Ñ'Ó)¨3¨q©6°6Ð:Ð:Ø ˆqˆrˆ7�S˜˜"�XÑ €DØ
|
|||
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|||
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|
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|
|||
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|
|||
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|
|||
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|
|||
|
|
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|
|||
|
|
�9‰9�S‹>€DØ �‰I�u˜T‘{ T¨4°©6 NÐ 3Ð3r. zØ
|
|||
|
|
Attributes
|
|||
|
|
----------
|
|||
|
|
levels : array
|
|||
|
|
The values of the contour levels.
|
|||
|
|
|
|||
|
|
layers : array
|
|||
|
|
Same as levels for line contours; half-way between
|
|||
|
|
levels for filled contours. See ``ContourSet._process_colors``.
|
|||
|
|
)Úcontour_set_attributesc ó
|
|||
|
|
‡ — e Zd ZdZddddddddddddddddddddddœˆ fd„
|
|||
|
|
Z ed „ « Z ed
|
|||
|
|
„ « Z ed „ « Z ed „ « Z d
|
|||
|
|
„ Z
|
|||
|
|
d„ Z de fd„Z
|
|||
|
|
d„ Zd„ Zd„ Zˆ fd„Zd„ Zd„ Zd„ Zd„ Zd„ Zd„ Zdd„Zd d „Zˆ fd „Zˆ xZS ) Ú
|
|||
|
|
ContourSeta¹
|
|||
|
|
Store a set of contour lines or filled regions.
|
|||
|
|
|
|||
|
|
User-callable method: `~.Axes.clabel`
|
|||
|
|
|
|||
|
|
Parameters
|
|||
|
|
----------
|
|||
|
|
ax : `~matplotlib.axes.Axes`
|
|||
|
|
|
|||
|
|
levels : [level0, level1, ..., leveln]
|
|||
|
|
A list of floating point numbers indicating the contour levels.
|
|||
|
|
|
|||
|
|
allsegs : [level0segs, level1segs, ...]
|
|||
|
|
List of all the polygon segments for all the *levels*.
|
|||
|
|
For contour lines ``len(allsegs) == len(levels)``, and for
|
|||
|
|
filled contour regions ``len(allsegs) = len(levels)-1``. The lists
|
|||
|
|
should look like ::
|
|||
|
|
|
|||
|
|
level0segs = [polygon0, polygon1, ...]
|
|||
|
|
polygon0 = [[x0, y0], [x1, y1], ...]
|
|||
|
|
|
|||
|
|
allkinds : ``None`` or [level0kinds, level1kinds, ...]
|
|||
|
|
Optional list of all the polygon vertex kinds (code types), as
|
|||
|
|
described and used in Path. This is used to allow multiply-
|
|||
|
|
connected paths such as holes within filled polygons.
|
|||
|
|
If not ``None``, ``len(allkinds) == len(allsegs)``. The lists
|
|||
|
|
should look like ::
|
|||
|
|
|
|||
|
|
level0kinds = [polygon0kinds, ...]
|
|||
|
|
polygon0kinds = [vertexcode0, vertexcode1, ...]
|
|||
|
|
|
|||
|
|
If *allkinds* is not ``None``, usually all polygons for a
|
|||
|
|
particular contour level are grouped together so that
|
|||
|
|
``level0segs = [polygon0]`` and ``level0kinds = [polygon0kinds]``.
|
|||
|
|
|
|||
|
|
**kwargs
|
|||
|
|
Keyword arguments are as described in the docstring of
|
|||
|
|
`~.Axes.contour`.
|
|||
|
|
|
|||
|
|
%(contour_set_attributes)s
|
|||
|
|
NFr¹ Úneitherr )rL ÚfilledÚ
|
|||
|
|
linewidthsÚ
|
|||
|
|
linestylesÚhatchesr÷ ÚoriginÚextentr? r4 r@ ÚvminÚvmaxÚ colorizerr× Ú antialiasedÚnchunkÚlocatorr Únegative_linestylesÚ clip_pathc ó„ •— |€|rd}t ‰ | � |||||¬« || _ || _ || _ || _ || _ | | _ | | _ || _ || _
|
|||
|
|
|| _ |r/| j ||
|
|||
|
|
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|
|||
|
|
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|
|||
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t | t j" « s$t | j t$ j& « r d| _ | € t! j" « } nd| _ t+ j, g d¢|¬« | j �#t/ | j « dk7 r t1 d « ‚| j �
|
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|
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|
|||
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|
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|
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| _ | j: |i |¤Ž}| j= « | j dv | _ | j dv | _ | j ��#t! jB | j « r| j g}n | j }t/ | j « }| j r|dz }d}d} |tE | j> « z tE | j@ « z } t/ |« | k( r(| j> s | j@ rd} | j> rd}t! jF ||d |¬« }
|
|||
|
|
| r@| j> r|
|
|||
|
|
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|
|||
|
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|
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|
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|
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|
|
| j _, |�|| j _- ddd« | j j] « | j_ « | j` €| jc « | _0 | j rN|�t+ jd d« | jg « \ } } | ji d|jk dd« ¬« nD| ji d| jm |« | jo |« |jk dd« d¬ « | j jq | d¬ « | jr d | jt d g| jv jx dd | jr d | jt d g| jv jz dd | j j} | jr | jt g« | j j d¬ « | j� « |r6t+ jd d d jƒ t… t† |« « z « yy# 1 sw Y �ŒxY w)!aÂ
|
|||
|
|
Draw contour lines or filled regions, depending on
|
|||
|
|
whether keyword arg *filled* is ``False`` (default) or ``True``.
|
|||
|
|
|
|||
|
|
Call signature::
|
|||
|
|
|
|||
|
|
ContourSet(ax, levels, allsegs, [allkinds], **kwargs)
|
|||
|
|
|
|||
|
|
Parameters
|
|||
|
|
----------
|
|||
|
|
ax : `~matplotlib.axes.Axes`
|
|||
|
|
The `~.axes.Axes` object to draw on.
|
|||
|
|
|
|||
|
|
levels : [level0, level1, ..., leveln]
|
|||
|
|
A list of floating point numbers indicating the contour
|
|||
|
|
levels.
|
|||
|
|
|
|||
|
|
allsegs : [level0segs, level1segs, ...]
|
|||
|
|
List of all the polygon segments for all the *levels*.
|
|||
|
|
For contour lines ``len(allsegs) == len(levels)``, and for
|
|||
|
|
filled contour regions ``len(allsegs) = len(levels)-1``. The lists
|
|||
|
|
should look like ::
|
|||
|
|
|
|||
|
|
level0segs = [polygon0, polygon1, ...]
|
|||
|
|
polygon0 = [[x0, y0], [x1, y1], ...]
|
|||
|
|
|
|||
|
|
allkinds : [level0kinds, level1kinds, ...], optional
|
|||
|
|
Optional list of all the polygon vertex kinds (code types), as
|
|||
|
|
described and used in Path. This is used to allow multiply-
|
|||
|
|
connected paths such as holes within filled polygons.
|
|||
|
|
If not ``None``, ``len(allkinds) == len(allsegs)``. The lists
|
|||
|
|
should look like ::
|
|||
|
|
|
|||
|
|
level0kinds = [polygon0kinds, ...]
|
|||
|
|
polygon0kinds = [vertexcode0, vertexcode1, ...]
|
|||
|
|
|
|||
|
|
If *allkinds* is not ``None``, usually all polygons for a
|
|||
|
|
particular contour level are grouped together so that
|
|||
|
|
``level0segs = [polygon0]`` and ``level0kinds = [polygon0kinds]``.
|
|||
|
|
|
|||
|
|
**kwargs
|
|||
|
|
Keyword arguments are as described in the docstring of
|
|||
|
|
`~.Axes.contour`.
|
|||
|
|
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to `~.Axes.legend` which represent this ContourSet.
|
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The labels have the form "0 < x <= 1" stating the data ranges which
|
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the artists represent.
|
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Parameters
|
|||
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----------
|
|||
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variable_name : str
|
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The string used inside the inequality used on the labels.
|
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str_format : function: float -> str
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Function used to format the numbers in the labels.
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Returns
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|||
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-------
|
|||
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artists : list[`.Artist`]
|
|||
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A list of the artists.
|
|||
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labels : list[str]
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A list of the labels.
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|
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|
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|
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|
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|
|||
|
|
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|
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|
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|
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|
|||
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|
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|
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|
|
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|
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|
|
a single contour boundary, say at z = 0, requires only
|
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|
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|
|||
|
|
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|
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|
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|
Assign values to :attr:`layers` based on :attr:`levels`,
|
|||
|
|
adding extended layers as needed if contours are filled.
|
|||
|
|
|
|||
|
|
For line contours, layers simply coincide with levels;
|
|||
|
|
a line is a thin layer. No extended levels are needed
|
|||
|
|
with line contours.
|
|||
|
|
)gL‚¢]?é çRy«ãXÖs)gRy«ãXÖórá ©rR rQ r ©rR rT NrA r€ r× ) rM rL r rc r× rÉ rR rZ rÛ r< ÚlayersÚsqrt)rn rL rM s r, rh zContourSet._process_levels
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sý € ô ˜DŸK™KÓ(ˆŒ à �=Š=Ø(‰LˆE‘5à(‰LˆE�5à �;‰;˜/Ñ )Ø �L‰L× Ñ 5Ô )Ø �;‰;˜/Ñ )Ø �L‰L× Ñ Ô &Ü—z‘z $§,¡,Ó/ˆŒ à�{Š{Ø Ÿ+™+ˆDŒKØ ð �=Š=ä Ÿ7™7 4§<¡<°°Ð#4Ó5Ü ŸW™W T§\¡\°!°"Ð%5Ó 6ñ 7ˆD�Kð § ¡ ¨c¨rÐ!2°T·\±\À!À"Ð5EÑ!EÑFˆD�Kr. c ól — | j j | _ | j �Œdt | j « }}| j
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r+|dz }| j dv r|dz }| j dv r|dz
|
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}t t ||« « | _ | j t j « « n| j | _ | j j | j « | j! | j « | j# « | j dv rd| j _ yy)a
|
|||
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Color argument processing for contouring.
|
|||
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|
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|
|
Note that we base the colormapping on the contour levels
|
|||
|
|
and layers, not on the actual range of the Z values. This
|
|||
|
|
means we don't have to worry about bad values in Z, and we
|
|||
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always have the full dynamic range available for the selected
|
|||
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levels.
|
|||
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The color is based on the midpoint of the layer, except for
|
|||
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|
extended end layers. By default, the norm vmin and vmax
|
|||
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|
are the extreme values of the non-extended levels. Hence,
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|||
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|
the layer color extremes are not the extreme values of
|
|||
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|
the colormap itself, but approach those values as the number
|
|||
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|
of levels increases. An advantage of this scheme is that
|
|||
|
|
line contours, when added to filled contours, take on
|
|||
|
|
colors that are consistent with those of the filled regions;
|
|||
|
|
for example, a contour line on the boundary between two
|
|||
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|
regions will have a color intermediate between those
|
|||
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|
of the regions.
|
|||
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Nr r€ râ rã )rR rT rQ F)r? Ú
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dz }t | j « D ] \ }}||k sŒ | j ||< Œ |S t |t « r|g|z }|S t j |« r]t |« }t |« |k r/t t j |t |« z « « }||z }t |« |kD r|d | }|S t d« ‚)NÚsolidgV瞯Ò<z&Unrecognized type for linestyles kwarg)rO rL rç r± r² rQ rH r• r– rZ rc rM rŸ r rS )rn r> ré Ú tlinestylesÚepsrq rr Únrepss r, rx z ContourSet._process_linestylesh s € Ü�4—;‘;Ó ˆØ Ð Ø"˜) dÑ*ˆKØ�ŠØ Ÿ™ T§Y¡YÑ.Ð/°%Ñ7�Ü '¨¯ © Ó 4ò B‘F�A�sؘS“yØ)-×)AÑ)A˜ AšðBð Ðô ˜*¤cÔ*Ø )˜l¨TÑ 1� ð Ðô —‘˜ZÔ(Ü " :Ó .� Ü�{Ó# dÒ*Ü ¤§¡¨¬s°:«Ñ(>Ó ?Ó @�EØ"-°Ñ"5�KÜ�{Ó# dÒ*Ø"-¨e¨tÐ"4�Kð Ðô !Ð!IÓJÐJr. c óà — | j r t d« ‚|€ t t | j « « }t
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j }dx}x}}|D ]˜ }| j | }d} |j « D ]r }
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t |
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j « sŒ| j « j |
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« z
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} Œt Œš |||fS )aÒ
|
|||
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Find the point in the unfilled contour plot that is closest (in screen
|
|||
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|
space) to point *xy*.
|
|||
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|
|
|||
|
|
Parameters
|
|||
|
|
----------
|
|||
|
|
xy : tuple[float, float]
|
|||
|
|
The reference point (in screen space).
|
|||
|
|
indices : list of int or None, default: None
|
|||
|
|
Indices of contour levels to consider. If None (the default), all levels
|
|||
|
|
are considered.
|
|||
|
|
|
|||
|
|
Returns
|
|||
|
|
-------
|
|||
|
|
idx_level_min : int
|
|||
|
|
The index of the contour level closest to *xy*.
|
|||
|
|
idx_vtx_min : int
|
|||
|
|
The index of the `.Path` segment closest to *xy* (at that level).
|
|||
|
|
proj : (float, float)
|
|||
|
|
The point in the contour plot closest to *xy*.
|
|||
|
|
z'Method does not support filled contoursNr r€ ) r< rS rN rO r rZ Úinfr rÄ rÆ r r7 )rn Úxyro Úd2minr r Úproj_minÚ idx_levelrØ Ú
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Ð5˜ hà ò
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|dz
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dz |z
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dz z }| || |fS # 1 sw Y ŒˆxY w)aú
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|||
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Find the point in the contour plot that is closest to ``(x, y)``.
|
|||
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|
|
|||
|
|
This method does not support filled contours.
|
|||
|
|
|
|||
|
|
Parameters
|
|||
|
|
----------
|
|||
|
|
x, y : float
|
|||
|
|
The reference point.
|
|||
|
|
indices : list of int or None, default: None
|
|||
|
|
Indices of contour levels to consider. If None (the default), all
|
|||
|
|
levels are considered.
|
|||
|
|
pixel : bool, default: True
|
|||
|
|
If *True*, measure distance in pixel (screen) space, which is
|
|||
|
|
useful for manual contour labeling; else, measure distance in axes
|
|||
|
|
space.
|
|||
|
|
|
|||
|
|
Returns
|
|||
|
|
-------
|
|||
|
|
path : int
|
|||
|
|
The index of the path that is closest to ``(x, y)``. Each path corresponds
|
|||
|
|
to one contour level.
|
|||
|
|
subpath : int
|
|||
|
|
The index within that closest path of the subpath that is closest to
|
|||
|
|
``(x, y)``. Each subpath corresponds to one unbroken contour line.
|
|||
|
|
index : int
|
|||
|
|
The index of the vertices within that subpath that are closest to
|
|||
|
|
``(x, y)``.
|
|||
|
|
xmin, ymin : float
|
|||
|
|
The point in the contour plot that is closest to ``(x, y)``.
|
|||
|
|
d2 : float
|
|||
|
|
The squared distance from ``(xmin, ymin)`` to ``(x, y)``.
|
|||
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Create and store a set of contour lines or filled regions.
|
|||
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|
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|
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This class is typically not instantiated directly by the user but by
|
|||
|
|
`~.Axes.contour` and `~.Axes.contourf`.
|
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Check that the shapes of the input arrays match; if x and y are 1D,
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convert them to 2D using meshgrid.
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r& r' )r8 r; úInput z must be 2D, not ÚDr r€ ú>Input z must be at least a (2, 2) shaped array, but has shape zNumber of dimensions of x (z ) and y (z) do not matchz
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Length of y (z") must match number of rows in z (z Shapes of x z and z z
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do not matchz Shapes of y z%Inputs x and y must be 1D or 2D, not )
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r Ú_process_unit_inforZ rÛ rÜ r ÚndimÚ TypeErrorÚshapeÚmeshgrid) rn r& r' r( r„ ÚNyÚNxÚnxÚnys r, r2 zQuadContourSet._check_xyz_ s: € ð
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8à—‘‰ˆˆBà �6‰6�Q—V‘VÒ ÜÐ 9¸!¿&¹&¸ð B Ø !§¡˜x ~ð 7ó 8ð
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�V‰V�qŠ[Ø�w‰w˜!Ÿ'™'Ò!Ü Ø" 1§7¡7 )¨7°1·7±7°)¸=ÐIóKð Kà�w‰w˜!Ÿ'™'Ò!Ü Ø" 1§7¡7 )¨7°1·7±7°)¸=ÐIóKð Kô Ð CÀAÇFÁFÀ8È1Ð MÓNÐ Nà�!�Qˆwˆr. c ó~ — |j dk7 rt d|j › d�« ‚|j d dk s|j d dk rt d|j › �« ‚|j \ }}| j €�| j €<t j t j |« t j |« « S | j \ }}}}t j |||« }t j |||« } t j || « S | j € d|d|f\ }}}}n| j \ }}}}||z
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|z } |t j |« dz |
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z z }|t j |« dz | z z } | j d k( r| ddd
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… } t j || « S ) a
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Return X, Y arrays such that contour(Z) will match imshow(Z)
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if origin is not None.
|
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The center of pixel Z[i, j] depends on origin:
|
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if origin is None, x = j, y = i;
|
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|
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if origin is 'lower', x = j + 0.5, y = i + 0.5;
|
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|
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if origin is 'upper', x = j + 0.5, y = Nrows - i - 0.5
|
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|
|
If extent is not None, x and y will be scaled to match,
|
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|
|
as in imshow.
|
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|
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If origin is None and extent is not None, then extent
|
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will give the minimum and maximum values of x and y.
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�6‰6�QŠ;ÜÐ 6°q·v±v°h¸aÐ @ÓAÐ AØ
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8ð —W‘W‰FˆB�Ø �;‰;Ð Ø�{‰{Ð"Ü—{‘{¤2§9¡9¨R£=´"·)±)¸B³-Ó@Ð@à!%§¡‘��B˜˜BÜ—K‘K B¨Ó+�Ü—K‘K B¨Ó+�Ü—{‘{ 1 aÓ(Ð(à �;‰;Ð Ø Q¨˜^‰NˆB��B™à !Ÿ[™[‰NˆB��B˜Ø�2‰g˜‰^ˆØ�2‰g˜‰^ˆØ ”"—)‘)˜B“- #Ñ%¨Ñ+Ñ +ˆØ ”"—)‘)˜B“- #Ñ%¨Ñ+Ñ +ˆØ �;‰;˜'Ò !Ø‘$�B�$‘ˆAÜ�{‰{˜1˜aÓ Ð r. )r& r' r( r) rg r r2 r1 r� r. r, r r ÿ s$ „ ñð 04¸tô 8òtò6)óV'!r. r a$
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`.contour` and `.contourf` draw contour lines and filled contours,
|
|||
|
|
respectively. Except as noted, function signatures and return values
|
|||
|
|
are the same for both versions.
|
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|
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|
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Parameters
|
|||
|
|
----------
|
|||
|
|
X, Y : array-like, optional
|
|||
|
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The coordinates of the values in *Z*.
|
|||
|
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|
|||
|
|
*X* and *Y* must both be 2D with the same shape as *Z* (e.g.
|
|||
|
|
created via `numpy.meshgrid`), or they must both be 1-D such
|
|||
|
|
that ``len(X) == N`` is the number of columns in *Z* and
|
|||
|
|
``len(Y) == M`` is the number of rows in *Z*.
|
|||
|
|
|
|||
|
|
*X* and *Y* must both be ordered monotonically.
|
|||
|
|
|
|||
|
|
If not given, they are assumed to be integer indices, i.e.
|
|||
|
|
``X = range(N)``, ``Y = range(M)``.
|
|||
|
|
|
|||
|
|
Z : (M, N) array-like
|
|||
|
|
The height values over which the contour is drawn. Color-mapping is
|
|||
|
|
controlled by *cmap*, *norm*, *vmin*, and *vmax*.
|
|||
|
|
|
|||
|
|
levels : int or array-like, optional
|
|||
|
|
Determines the number and positions of the contour lines / regions.
|
|||
|
|
|
|||
|
|
If an int *n*, use `~matplotlib.ticker.MaxNLocator`, which tries
|
|||
|
|
to automatically choose no more than *n+1* "nice" contour levels
|
|||
|
|
between minimum and maximum numeric values of *Z*.
|
|||
|
|
|
|||
|
|
If array-like, draw contour lines at the specified levels.
|
|||
|
|
The values must be in increasing order.
|
|||
|
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|
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|
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Returns
|