Class: DicomS::IdentityTransfer
- Inherits:
-
FixedTransfer
- Object
- Transfer
- RangeTransfer
- FixedTransfer
- DicomS::IdentityTransfer
- Defined in:
- lib/dicoms/transfer.rb
Overview
Preserve internal values. Can be used with the output: :unsinged option to convert signed values to unsinged.
Constant Summary
Constants inherited from Transfer
Transfer::FLOAT_MAPPING, Transfer::USE_DATA
Instance Method Summary collapse
-
#initialize(options = {}) ⇒ IdentityTransfer
constructor
A new instance of IdentityTransfer.
- #map_to_output(dicom, data, min, max) ⇒ Object
- #min_max(sequence) ⇒ Object
Methods inherited from RangeTransfer
#min_max_rescaled?, #processed_data
Methods inherited from Transfer
#image, min_max_limits, #min_max_limits, #pixels, strategy
Methods included from Support
#assign_dicom_pixels, #cast_metadata, #decode_vector, #define_transfer, #dicom?, #dicom_bit_depth, #dicom_compression, #dicom_element_value, #dicom_name_pattern, #dicom_narray, #dicom_rescale_intercept, #dicom_rescale_slope, #dicom_signed?, #dicom_stored_bits, #dicom_window_center, #dicom_window_width, #encode_vector, #find_dicom_files, #keeping_path, #normalized_path, #output_file_name, #pixel_value_range, #single_dicom_metadata
Constructor Details
#initialize(options = {}) ⇒ IdentityTransfer
Returns a new instance of IdentityTransfer.
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# File 'lib/dicoms/transfer.rb', line 318 def initialize( = {}) super end |
Instance Method Details
#map_to_output(dicom, data, min, max) ⇒ Object
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# File 'lib/dicoms/transfer.rb', line 326 def map_to_output(dicom, data, min, max) if @rescale intercept = dicom_rescale_intercept(dicom) slope = dicom_rescale_slope(dicom) if slope != 1 || intercept != 0 return super end end data = dicom_narray(dicom) data.add! -min if min < 0 data end |
#min_max(sequence) ⇒ Object
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# File 'lib/dicoms/transfer.rb', line 322 def min_max(sequence) min_max_limits(sequence.first) end |