@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix orcid: <https://orcid.org/> .
@prefix this: <http://purl.org/np/RAtoh3Nlrk2wtgblyWnF26Prv2tBnOcXaPFfB7NpOQ4z0> .
@prefix sub: <http://purl.org/np/RAtoh3Nlrk2wtgblyWnF26Prv2tBnOcXaPFfB7NpOQ4z0#> .
@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 "3.7.0.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 prov:generatedAtTime "2021-05-19T13:53:10.987079"^^xsd:dateTime .
}

sub:pubInfo {
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDXN4+Lgjiby7GIe7lqlo8YV8HQjLBJOG5peGarEdyWU+FapIlKKZTtfbdmyzNLOrcRCMvuxwc4IxpI1m9+/H4H/8BuZWkF0/UvGWF4clG8vhGJcKvZHp4ttwZMRvyNvb6DqBsRV4W/uU+VMEh+h4ooxqbAwXTj3T08fHKTxA2EwQIDAQAB";
    npx:hasSignature "i7Frgo3Jtxev8/91/BvYTYLzx01arZLo70124EFSeEtsO2Z4UHimy1D+fnI1p11WbnJYVzybraZoy5Evu8Qf219gPj1rIoM4Hgz1+kNOt0s3kwX4PRMkVaqQPvWBq55SDrITrMSzJUHuExnDscl26C9cPmElwhZDmIMWnJSw+zo=";
    npx:hasSignatureTarget this: .
  
  this: npx:introduces sub:step;
    prov:generatedAtTime "2021-05-19T13:53:10.987079"^^xsd:dateTime;
    prov:wasAttributedTo orcid:0000-0001-9493-3167 .
}