@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix ns1: <http://www.w3.org/ns/prov#> .
@prefix orcid: <https://orcid.org/> .
@prefix this: <http://purl.org/np/RA9RIQaYRuebpEQ9cAZw9KB-d0aq6zEu_oyYpZDcrl4AQ> .
@prefix sub: <http://purl.org/np/RA9RIQaYRuebpEQ9cAZw9KB-d0aq6zEu_oyYpZDcrl4AQ#> .
@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#> .

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:image1 a pplan:Variable;
    rdfs:comment "None";
    rdfs:label "image1" .
  
  sub:image2 a pplan:Variable;
    rdfs:comment "None";
    rdfs:label "image2" .
  
  sub:out1 a pplan:Variable;
    rdfs:comment "None";
    rdfs:label "out1" .
  
  sub:step dcterms:description """@is_fairstep(label='An awesome step for creating composite image by blending images using a transparency mask')
def mask_image(image1,image2):    
    from PIL import Image
    mask = Image.new(\"L\", image1.size, 128)
    new_image = Image.composite(image1, image2, mask)
    return new_image
""";
    dcterms:language sub:LinguisticSystem;
    pplan:hasInputVar sub:image1, sub:image2;
    pplan:hasOutputVar sub:out1;
    a bpmn:ScriptTask, pplan:Step;
    rdfs:label "An awesome step for creating composite image by blending images using a transparency mask" .
}

sub:provenance {
  sub:assertion ns1:generatedAtTime "2021-06-29T15:09:00.576723"^^xsd:dateTime .
}

sub:pubInfo {
  sub:assertion ns1:wasDerivedFrom <http://purl.org/np/RAtoh3Nlrk2wtgblyWnF26Prv2tBnOcXaPFfB7NpOQ4z0> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCv0G5BIY0o0/ONHMQIggW+QXHEUcQJpY0KT8sDouETxw576phhzXtm1MjbuWmBP7kgBlbyhhObr6+/wXbtcuaUlFPupbRtArO/N3C7rhadtd5ZKqyj8Je+ku8vt7DcfR3qBWyNxSGyUrVZaWfM+r1cr6X/CaT6KQqv+D9BWpyKZwIDAQAB";
    npx:hasSignature "f4nUMynWGv6dcv5FK5aHMtQs3+v9bPNN2NPPoqtbILNyZzas6Yl7mxxaO6FHuwbHAnNabU61s8Swa9bXm0upGf26zNO6w3z1NNboZRaO8H7DoL46zkVEkqf9ZOlwD0OkhE63JsM8iqgn9Lgqv7rDWKyXrCIjiZ6aawmC6cGW51o=";
    npx:hasSignatureTarget this: .
  
  this: npx:introduces sub:step;
    ns1:generatedAtTime "2021-06-29T15:09:00.576723"^^xsd:dateTime;
    ns1:wasAttributedTo orcid:0000-0000-0000-0000 .
}