ImageMagick Convert: how to add alpha shadows upon RGB image? -


एक आरजीबी छवि को देखते हुए:

यहाँ छवि विवरण दर्ज करें

एक ग्रे स्केल, अस्पष्टता 0% अस्पष्टता 100% काली छवि को देखते हुए:

यहाँ छवि विवरण दर्ज करें

शेल कमांड का उपयोग करके आरजीबी छवि पर अल्फा छाया जोड़ने के लिए कैसे? (ImageMagick कन्वर्ट के लिए preferemce)

मैं ऑपरेटर का उपयोग कर छवियों की रचना करेंगे। कमांड 

  एसआरसीपीपीपी ओवरले पर रूपांतरण करें- कॉम्प्लेज मल्टीप्ले -ऑमेट्री 948x630-कॉम्पोजिट आउट पेज।   
 पैदा करता है:  
 यहां छवि विवरण दर्ज करें

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