@prefix dct: <http://purl.org/dc/terms/> .
@prefix orcid: <https://orcid.org/> .
@prefix this: <http://purl.org/np/RA5fShzytGWKODQD_DrLMyDYV-JMdqZ2XZhY9-aXKmboU> .
@prefix sub: <http://purl.org/np/RA5fShzytGWKODQD_DrLMyDYV-JMdqZ2XZhY9-aXKmboU#> .
@prefix schema: <https://schema.org/> .
@prefix bpmn: <http://dkm.fbk.eu/index.php/BPMN2_Ontology#> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix pplan: <http://purl.org/net/p-plan#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
sub:Head {
  this: np:hasAssertion sub:assertion ;
    np:hasProvenance sub:provenance ;
    np:hasPublicationInfo sub:pubInfo ;
    a np:Nanopublication .
}
sub:assertion {
  sub:LinguisticSystem a schema:ComputerLanguage ;
    rdfs:label "python" ;
    rdfs:seeAlso <https://www.wikidata.org/wiki/Q28865> ;
    owl:versionInfo "3.7.9.final.0" .
  sub:img a pplan:Variable ;
    rdfs:comment "None" ;
    rdfs:label "img" .
  sub:out1 a pplan:Variable ;
    rdfs:comment "None" ;
    rdfs:label "out1" .
  sub:step dct:description """@is_fairstep(label='Make white background of image transparent')
def white_to_transparency(img):
    from PIL import Image
    img = img.convert(\"RGBA\")
    data = img.getdata()
    new_data = []
    for item in data:
        if item[0] == 255 and item[1] == 255 and item[2] == 255:
            new_data.append((255, 255, 255, 0))
        else:
            new_data.append(item)
    img.putdata(new_data)
    return img
""" ;
    dct:language sub:LinguisticSystem ;
    pplan:hasInputVar sub:img ;
    pplan:hasOutputVar sub:out1 ;
    a bpmn:ScriptTask , pplan:Step ;
    rdfs:label "Make white background of image transparent" .
}
sub:provenance {
  sub:assertion prov:generatedAtTime "2021-06-14T16:09:42.142349"^^xsd:dateTime .
}
sub:pubInfo {
  sub:assertion prov:wasDerivedFrom <http://purl.org/np/RArWETwZLOap_HslX7aZOrOeUGNGQUU4kxFhzHbn74rB4> .
  sub:sig npx:hasAlgorithm "RSA" ;
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC9V9kbrIuR0DFnTApZo6KB6GiORCWC4IikDso95k3Xd421XT8Ye41FgtmN8XWv4iPffqNR5dJuZUzopLcvlAYa3mpCVh3r4V4P6ZKNrXounRKrnvqO8i/OSptSYVWfpRcmVMPwnvrY0sFiGKAIiPSJopaAXKcc2gFUMtRtVW3RCwIDAQAB" ;
    npx:hasSignature "BoKe2YeDilUROlRdHPm7p8WjfkpSuYrtN4/tIxVAVoDrPwid5loqgJDTkCew/i75G2wU6en+MMrP15ENOSZGr1EZC8fM45l13MxeOc1CqPilhDEQzLH/R8fuAY57NKpvJ/cJK3uwCjfp5MvyBr/CM6PRgRqZB5xdr1aQSmDqZCY=" ;
    npx:hasSignatureTarget this: .
  this: npx:introduces sub:step ;
    prov:generatedAtTime "2021-06-14T16:09:42.142349"^^xsd:dateTime ;
    prov:wasAttributedTo orcid:0000-0000-0000-0000 .
}