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sunpy 6.1.1 documentation

  • The sunpy tutorial
    • Installation
    • Units
    • Times
    • Coordinates
    • Acquiring Data
      • Finding and Downloading Data from JSOC
      • Searching the Heliophysics Event Knowledgebase
    • Maps
    • Timeseries
  • Installation
  • Example Gallery
    • Acquiring Data
      • Getting data from CDAWeb
      • Querying Metadata clients
      • Querying and loading SHARP data
      • Querying the GOES flare event list
      • Requesting cutouts of AIA images from the JSOC
    • Map
      • Comparing Map Rotation Functions
      • Creating a Composite map
      • Creating a mask for LASCO C2 data
      • Cropping a Map
      • Finding bright regions with ndimage
      • Finding contours of a map
      • Finding the brightest pixel
      • Generating a map from data array
      • Histograming map data
      • Map metadata modification
      • Masking HMI based on the intensity of AIA
      • Overplotting HMI Contours on an AIA Image
      • Plotting a Map without any Axes
      • Plotting a difference image
      • Resampling Maps
      • Rotating a Map
      • Segmenting a Map based on transformation of coordinates
      • Tracking an Active Region Across the Solar Disk
    • Combining, Co-aligning, and Reprojecting Images
      • Aligning AIA and HMI Data with Reproject
      • Auto-Aligning AIA and HMI Data During Plotting
      • Creating Carrington Maps
      • Creating a Full Sun Map with AIA and EUVI
      • Reprojecting Images to Different Observers
      • Reprojecting Using a Spherical Screen
      • Reprojecting a Helioprojective Map to Helioprojective Radial
      • Reprojecting to a Map Projection with a Custom Origin
      • Rotating HMI maps so they’re not ‘upside-down’
    • Time Series
      • Creating a TimeSeries from GOES-XRS near real time data with flare times
      • Find Peaks in sunpy TimeSeries
      • Flare times on a GOES XRS plot
      • Making a power spectrum from a TimeSeries
      • Retrieving and analyzing GOES X-Ray Sensor (XRS) data
      • Smoothing of timeSeries data using convolution filters
      • The TimeSeriesMetaData class
      • Using TimeSeries
    • Coordinates, times, and units
      • AIA to STEREO coordinate conversion
      • Converting between Helioprojective and AltAz Coordinate
      • Coordinates computations using SPICE kernels
      • Create a Helioprojective Map from observations in the RA-DEC coordinate system
      • Drawing the AIA limb on a STEREO EUVI image
      • Extracting intensity of a map along a line
      • Getting the location of the planets
      • Getting the observer location from a Map
      • Identifying stars in a STEREO/SECCHI COR2 coronagraph image
      • Obtaining a spacecraft trajectory from JPL Horizons
      • Offsetting the north pole of a coordinate frame
      • Overplotting the position of the Venus transit
      • Setting the correct position for SOHO in a LASCO C3 Map
    • Plotting
      • Blending maps together
      • Combining off-limb and disk maps
      • Creating a Composite Plot with Three Maps
      • Drawing a latitude-longitude quadrangle
      • Drawing a rotated rectangle on a map
      • Drawing and using a Great Arc
      • Drawing heliographic longitude and latitude lines
      • Drawing the Extent of a WCS
      • Editing the colormap and normalization of a Map
      • Fading between two maps
      • Finding Local Peaks in Solar Data
      • Fine grained Plotting Features of Map
      • Imshow and maps coordinates
      • Loading an HMI synoptic map
      • Overlay an AIA image on a LASCO C2 coronagraph
      • Overlaying Two Maps
      • Overplotting HEK feature/event polygons on a map
      • Overplotting SRS active region locations on a magnetograms
      • Plot positions on a blank map
      • Plotting a coordinate grid
      • Plotting a map
      • Plotting a solar cycle index
      • Plotting points on a Map with WCSAxes
      • Plotting the solar equator and prime meridian
      • Plotting the solar limb
      • Set Axis Range When Plotting a Map
      • Simple Differential Rotation
      • Using the sunpy Colormaps with matplotlib
    • Differential Rotation of the Sun
      • Comparing differential-rotation models
      • Differentially rotating a coordinate
      • Differentially rotating a map
      • Overlaying differentially rotated gridlines
    • Saving and Loading Data
      • Reading ADAPT FITS Files
      • Saving and loading coordinates with asdf
      • Saving and loading sunpy Maps with ASDF
      • Saving and loading sunpy Maps with FITS
    • Computer Vision Techniques
      • Edge Enhancing Coronal Loops
      • Enhancing off-disk emission
      • Finding and masking bright pixels
      • Masking out the solar disk
    • Showcase
      • HMI Showcase: Cutout
      • Obtaining solar-eclipse information
      • Reproducing the “Where is STEREO Today?” plot
      • Understanding Observer Orientation Relative to a Simulated Volume with astropy.coordinates
      • Visualizing 3D stereoscopic images
  • How-To Guides
    • Access coordinate components
    • Create a Map
    • Create coordinate objects
    • Specify an observer by coordinate
    • Create a custom Map
    • Create a custom TimeSeries
    • Draw a rectangle on a Map
    • Fix incorrect metadata
    • Manipulate grids lines when plotting a Map
    • Parse times with parse_time
    • Read an ASDF file into a Map
    • Use the remote data manager
    • Search for multiple wavelengths with Fido
    • Search the Virtual Solar Observatory (VSO)
    • Transform between coordinate frames
  • Topic Guides
    • Coordinates
      • Calculating Carrington longitude
      • Differential rotation using coordinate frames
      • Coordinates with velocity information
      • Coordinates and WCS
      • The role of rsun in coordinate transformations
    • Add a new rotation method to Map
    • Deprecation, Versioning and Release Practices
    • Adding new data sources to Fido
    • Migrating to the new Scraper pattern system in sunpy 6.1
    • How “HISTORY” and “COMMENT” FITS Keys are Handled in sunpy
    • Advanced Installation
    • Logging system
    • Writing a new instrument Map class
    • A Detailed Look at the TimeSeries Metadata
    • The role of “rsun” in sunpy
  • Reference
    • sunpy (sunpy)
      • self_test
      • system_info
      • print_config
    • Coordinates (sunpy.coordinates)
      • get_body_heliographic_stonyhurst
      • get_earth
      • get_horizons_coord
      • propagate_with_solar_surface
      • solar_frame_to_wcs_mapping
      • solar_wcs_frame_mapping
      • transform_with_sun_center
      • BaseHeliographic
      • BaseMagnetic
      • GeocentricEarthEquatorial
      • GeocentricSolarEcliptic
      • GeocentricSolarMagnetospheric
      • Geomagnetic
      • Heliocentric
      • HeliocentricEarthEcliptic
      • HeliocentricInertial
      • HeliographicCarrington
      • HeliographicStonyhurst
      • Helioprojective
      • HelioprojectiveRadial
      • NorthOffsetFrame
      • PlanarScreen
      • RotatedSunFrame
      • SolarMagnetic
      • SphericalScreen
      • SunPyBaseCoordinateFrame
      • get_body_heliographic_stonyhurst
      • get_earth
      • get_horizons_coord
      • get_body
      • get_fov
      • initialize
      • install_frame
      • get_rotation_matrix
      • SpiceBaseCoordinateFrame
      • angular_radius
      • sky_position
      • carrington_rotation_number
      • carrington_rotation_time
      • true_longitude
      • apparent_longitude
      • true_latitude
      • apparent_latitude
      • mean_obliquity_of_ecliptic
      • true_rightascension
      • true_declination
      • true_obliquity_of_ecliptic
      • apparent_rightascension
      • apparent_declination
      • print_params
      • B0
      • L0
      • P
      • earth_distance
      • orientation
      • eclipse_amount
      • get_rectangle_coordinates
      • solar_angle_equivalency
      • get_limb_coordinates
      • GreatArc
      • SunPyBaseCoordinateFrame
      • BaseHeliographic
      • BaseMagnetic
      • HeliographicStonyhurst
      • HeliographicCarrington
      • Heliocentric
      • Helioprojective
      • HelioprojectiveRadial
      • HeliocentricEarthEcliptic
      • GeocentricSolarEcliptic
      • HeliocentricInertial
      • GeocentricEarthEquatorial
      • Geomagnetic
      • SolarMagnetic
      • GeocentricSolarMagnetospheric
      • BaseScreen
      • SphericalScreen
      • PlanarScreen
      • NorthOffsetFrame
      • RotatedSunFrame
      • solar_wcs_frame_mapping
      • solar_frame_to_wcs_mapping
    • Data (sunpy.data)
      • manager
      • cache
      • download_all
      • get_test_filepath
      • get_test_data_filenames
      • get_dummy_map_from_header
      • write_header_file_from_image_file
      • Cache
      • DataManager
      • ParfiveDownloader
      • SqliteStorage
      • DownloaderBase
      • DownloaderError
      • ParfiveDownloader
      • StorageProviderBase
      • SqliteStorage
      • InMemStorage
    • Image processing (sunpy.image)
      • resample
      • reshape_image_to_4d_superpixel
      • add_rotation_function
      • affine_transform
    • Input/output (sunpy.io)
      • read_genx
      • read
      • get_header
      • write
      • read_srs
    • Maps (sunpy.map)
      • all_coordinates_from_map
      • all_corner_coords_from_map
      • all_pixel_indices_from_map
      • contains_coordinate
      • contains_full_disk
      • contains_limb
      • contains_solar_center
      • coordinate_is_on_solar_disk
      • is_all_off_disk
      • is_all_on_disk
      • make_hpr_header
      • map_edges
      • on_disk_bounding_coordinates
      • pixelate_coord_path
      • sample_at_coords
      • solar_angular_radius
      • CompositeMap
      • GenericMap
      • MapMetaValidationError
      • MapSequence
      • PixelPair
      • Map
      • make_fitswcs_header
      • get_observer_meta
      • make_heliographic_header
      • make_hpr_header
      • from_helioviewer_project
      • source_stretch
      • ADAPTMap
      • AIAMap
      • CORMap
      • EITMap
      • EUIMap
      • EUVIMap
      • GONGHalphaMap
      • GONGSynopticMap
      • HIMap
      • HMIMap
      • HMISynopticMap
      • KCorMap
      • LASCOMap
      • MDIMap
      • MDISynopticMap
      • RHESSIMap
      • SJIMap
      • SOTMap
      • SUVIMap
      • SWAPMap
      • SXTMap
      • TRACEMap
      • WISPRMap
      • XRTMap
    • Remote data (sunpy.net)
      • Scraper
      • Fido
      • Time
      • Instrument
      • Wavelength
      • Level
      • ExtentType
      • Sample
      • Detector
      • Resolution
      • Physobs
      • Source
      • Provider
      • AttrAnd
      • AttrOr
      • UnifiedResponse
      • UnifiedDownloaderFactory
      • VSOClient
      • VSOQueryResponseTable
      • Extent
      • Field
      • Pixels
      • Filter
      • Quicklook
      • PScale
      • ADAPTClient
      • EVEClient
      • GBMClient
      • GONGClient
      • GenericClient
      • LYRAClient
      • NOAAIndicesClient
      • NOAAPredictClient
      • NoRHClient
      • QueryResponse
      • RHESSIClient
      • SRSClient
      • SUVIClient
      • XRSClient
      • SatelliteNumber
      • ADAPTFileType
      • ADAPTLonType
      • ADAPTInputSource
      • ADAPTDataAssimilation
      • ADAPTResolution
      • ADAPTVersionYear
      • ADAPTVersionMonth
      • ADAPTEvolutionMode
      • ADAPTHelioData
      • ADAPTRealizations
      • ADAPTMagData
      • Cutout
      • JSOCClient
      • JSOCResponse
      • Keyword
      • Notify
      • PrimeKey
      • Protocol
      • Segment
      • Series
      • Series
      • Protocol
      • Notify
      • Segment
      • PrimeKey
      • Cutout
      • Keyword
      • HEKClient
      • HEKRow
      • HEKTable
      • Contains
      • EventType
      • HEKAttr
      • HEKComparisonParamAttrWrapper
      • SpatialRegion
      • translate_results_to_query
      • vso_attribute_parse
      • H2VClient
      • get_datasets
      • get_observatory_groups
      • CDAWEBClient
      • Dataset
      • HECClient
      • HECResponse
      • Chaincode
      • MaxRecords
      • TableName
      • convert_row_to_table
      • QueryResponseColumn
      • BaseQueryResponse
      • QueryResponseRow
      • QueryResponseTable
      • BaseClient
      • QueryResponse
      • GenericClient
      • and
      • or
      • Attr
      • DataAttr
      • DummyAttr
      • SimpleAttr
      • Range
      • AttrAnd
      • AttrOr
      • ValueAttr
      • AttrWalker
      • AttrComparison
      • ComparisonParamAttrWrapper
      • Scraper
      • extract_timestep
      • date_floor
      • get_timerange_from_exdict
    • Physics (sunpy.physics)
      • diff_rot
      • solar_rotate_coordinate
      • differential_rotate
    • Solar properties (sunpy.sun)
      • get
      • find
      • print_all
      • spectral_classification
      • au
      • mass
      • equatorial_radius
      • volume
      • surface_area
      • average_density
      • equatorial_surface_gravity
      • effective_temperature
      • luminosity
      • mass_conversion_rate
      • escape_velocity
      • sfu
      • average_angular_size
      • sidereal_rotation_rate
      • first_carrington_rotation
      • mean_synodic_period
      • differential_rotation
      • interior
      • evolution
    • Time (sunpy.time)
      • find_time
      • is_time
      • is_time_equal
      • is_time_in_given_format
      • julian_centuries
      • parse_time
      • TimeRange
      • TimeTaiSeconds
      • TimeUTime
    • Timeseries (sunpy.timeseries)
      • TimeSeriesMetaData
      • GenericTimeSeries
      • TimeSeries
      • ESPTimeSeries
      • EVESpWxTimeSeries
      • GBMSummaryTimeSeries
      • XRSTimeSeries
      • LYRATimeSeries
      • NOAAIndicesTimeSeries
      • NOAAPredictIndicesTimeSeries
      • NoRHTimeSeries
      • RHESSISummaryTimeSeries
    • Utilities (sunpy.util)
      • cached_property_based_on
      • check_arithmetic_compatibility
      • deprecate_positional_args_since
      • deprecated
      • deprecated_renamed_argument
      • dict_keys_same
      • expand_list
      • expand_list_generator
      • find_dependencies
      • fix_duplicate_notes
      • get_keywords
      • get_set_methods
      • get_width
      • hash_file
      • missing_dependencies_by_extra
      • replacement_filename
      • sunpycontextmanager
      • system_info
      • unique
      • warn_connection
      • warn_deprecated
      • warn_metadata
      • warn_user
      • MetaDict
      • NoMapsInFileError
      • SunpyConnectionWarning
      • SunpyDeprecationWarning
      • SunpyMetadataWarning
      • SunpyPendingDeprecationWarning
      • SunpyUserWarning
      • SunpyWarning
      • add_common_docstring
      • load_config
      • copy_default_config
      • print_config
      • BasicRegistrationFactory
      • NoMatchError
      • MultipleMatchError
      • ValidationFunctionError
      • parse_header
      • slugify
      • get_content_disposition
      • get_filename
      • get_system_filename
      • download_file
      • download_fileobj
      • xml_to_dict
      • node_to_dict
      • get_node_text
      • NotTextNodeError
      • Generate
      • seconddispatch
    • Visualization (sunpy.visualization)
      • axis_labels_from_ctype
      • peek_show
      • show_hpr_impact_angle
      • show_colormaps
      • aia_color_table
      • sswidl_lasco_color_table
      • eit_color_table
      • sxt_color_table
      • xrt_color_table
      • trace_color_table
      • sot_color_table
      • hmi_mag_color_table
      • suvi_color_table
      • rhessi_color_table
      • std_gamma_2
      • euvi_color_table
      • solohri_lya1216_color_table
      • MapSequenceAnimator
      • is_wcsaxes
      • gca_wcs
      • get_world_transform
      • default_wcs_grid
      • wcsaxes_heliographic_overlay
      • limb
      • equator
      • prime_meridian
      • extent
    • Customizing sunpy
    • Troubleshooting and Bugs
    • SSWIDL/sunpy Cheat Sheet
    • Internal API Documentation
      • read_file
      • read_file_header
      • write_file
      • detect_filetype
      • FileHeader
      • header_to_fits
      • read
      • get_header
      • write
      • extract_waveunit
      • format_comments_and_history
      • read
      • get_header
      • write
  • Release History
    • Full Changelog
    • What’s New in sunpy 6.1?
    • What’s New in sunpy 6.0?
    • What’s New in sunpy 5.1?
    • What’s New in sunpy 5.0?
    • What’s New in sunpy 4.1?
    • What’s New in SunPy 4.0?
    • What’s New in SunPy 3.1?
    • What’s New in SunPy 3.0?
    • What’s New in SunPy 2.1?
    • What’s New in SunPy 2.0?
    • What’s New in SunPy 1.1?
    • What’s New in SunPy 1.0?
    • What’s New in SunPy 0.9?
    • What’s New in SunPy 0.8?
  • Acknowledging or Citing SunPy
  • Known Issues
  • Current status of sub-packages
  • Developer’s Guide
  • Example Gallery
  • Computer Vision Techniques

Computer Vision Techniques#

Examples of using computer vision techniques to analyze solar data

Edge Enhancing Coronal Loops

Edge Enhancing Coronal Loops

Enhancing off-disk emission

Enhancing off-disk emission

Finding and masking bright pixels

Finding and masking bright pixels

Masking out the solar disk

Masking out the solar disk

previous

Saving and loading sunpy Maps with FITS

next

Edge Enhancing Coronal Loops

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