Computer Science

Computer Science ›› 2020, Vol. 47 ›› Issue (11A): 266-270.doi: 10.11896/jsjkx.200200029

• Computer Graphics & Multimedia • Previous Articles     Next Articles

Study on 3D Color Slicing Technology Based on OBJ Model

XING Jing-pu1, LI Feng-qi1, WANG Sheng-fa2, WANG Yi2, ZONG Gui-sheng3, FAN Yong-gang1   

  1. 1 School of Software Technology,Dalian University of Technology,Dalian,Liaoning 116620,China
    2 International School of Information Science & Engineering,Dalian University of Technology,Dalian,Liaoning 116620,China
    3 Shenzhen 7th Technology Co.,Ltd.,Shenzhen,Guangdong 518000,China
  • Online:2020-11-15 Published:2020-11-17
  • About author:XING Jing-pu,born in 1995,postgra-duate.His main research interests include 3D printing and slicing algorithm.
    LI Feng-qi,born in 1974,Ph.D,professor,is a member of China Computer Federation.His main research interests include 3D printing,intelligent software systems and blockchain.
  • Supported by:
    This work was supported by the National Key R&D Program of China (2016YFB1101100),Subproject of National Key Research & Development Program(2017YFB1107704) and Fundamental Research Funds for the Central Universities(DUT19ZD209).

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Abstract: In recent years,with the continuous progress of 3D printing technology,color 3D printing is becoming the general demand of the industry.However,as the standard file format of 3D printing field model description,STL file does not retain the color information of 3D model,which cannot meet the new requirements of color 3D printing for model information extraction and slice processing.In this context,the OBJ color model is selected as the research object of color slicing technology.Its file structure is analyzed,and the model geometry and color related information stored therein are extracted and optimized for slicing.Combined with the specific characteristics of OBJ model,the color slicing algorithm based on model continuity is proposed on the basis of traditional topological slicing algorithm,and the whole flow of the algorithm is given.The slice processing of the algorithm improves the efficiency of the layered processing,obtains the layered contour information of the model,and completes the processing of the color slice.The experimental results prove that the technology can perform color slice processing on the OBJ model with good effect,stability and reliability.

Key words: 3D printing, Color slicing, OBJ model

CLC Number: 

  • TP311
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