城中村批量快速三维建模方法研究及实现
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摘要
针对当前三维城市建模方法中利用计算机程序对非精细模型批量建模只能保证建筑高度信息,不能利用二维数据的属性信息来控制模型的结构和纹理问题,该文提出基于参数化建模技术与3DMax插件开发技术实现城中村批量快速三维建模方法。首先,利用现有二维测绘数据的空间信息和属性信息作为建模的基础数据;然后,通过CityEngine提供的几何操作函数和几何形状属性函数,结合城中村建筑结构、屋顶结构的特点,构造生成建筑结构的函数,编制自动化参数化的建模程序,利用底面的属性信息生成模型;最后,编制Python语言批量导出模型的插件和MaxScript脚本批量导入模型的插件,提高工作效率和模型的兼容性。通过实验及性能分析,表明该方法能保证建筑三维模型的快速建立、结构和纹理的逼真与3DMax很好地兼容,并可直接进行模型修改与格式转换。
According to the current 3 Dcity modeling method,the computer program is used to batch model the non fine model,we can only guarantee the building height information,and can not use the attribute information of the two-dimensional data to control the structure and texture of the model,thus a new method that combined the technology of parameterized modeling with 3 DMax plug in development was proposed to support the rapid batch modeling method.Firstly,the spatial information and attribute information of the existing two-dimensional surveying and mapping data were used as the basic data of the modeling.Then,through the geometric operation function and the geometric shape attribute function provided by CityEngine,the characteristics of the building structure and roof structure the function of the building structure was built,automated parametric modeling program was prepared,and the underlying attribute information was use to generate the model.Finally,the preparation of Python language batch export model plug-in and the preparation of MaxScript bulk import model plug-ins were used to improve work efficiency and model compatibility.Through the experiment and performance analysis,it is shown that the method could guarantee the rapid establishment of the 3 D model of building,the realistic structure and texture,and was compatible with 3 DMax,and the model could be modified and format conversiondirectly.
According to the current 3 Dcity modeling method,the computer program is used to batch model the non fine model,we can only guarantee the building height information,and can not use the attribute information of the two-dimensional data to control the structure and texture of the model,thus a new method that combined the technology of parameterized modeling with 3 DMax plug in development was proposed to support the rapid batch modeling method.Firstly,the spatial information and attribute information of the existing two-dimensional surveying and mapping data were used as the basic data of the modeling.Then,through the geometric operation function and the geometric shape attribute function provided by CityEngine,the characteristics of the building structure and roof structure the function of the building structure was built,automated parametric modeling program was prepared,and the underlying attribute information was use to generate the model.Finally,the preparation of Python language batch export model plug-in and the preparation of MaxScript bulk import model plug-ins were used to improve work efficiency and model compatibility.Through the experiment and performance analysis,it is shown that the method could guarantee the rapid establishment of the 3 D model of building,the realistic structure and texture,and was compatible with 3 DMax,and the model could be modified and format conversiondirectly.
引文
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[9]刘媛,邓运员,刘立生,等.CityEngine CGA支持下的传统民居复杂屋顶建模及优化:以衡阳市中田村为例[J].测绘通报,2016(3):98-102.(LIU Yuan,DENGYunyuan,LIU Lisheng,et al.3Dcomplex roof modeling and optimizing of tradional residential houses based on CityEngine CGA:taking Zhongtian village of Hengyang city as an example[J].Bulletin of Surveying and Mapping,2016(3):98-102.)
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[11]张晖,刘超,李妍,等.基于CityEngine的建筑物三维建模技术研究[J].测绘通报,2014(11):108-112.(ZHANG Hui,LIU Chao,LI Yan,et al.Research on3Dbuilding modeling technology based on CityEngine[J].Bulletin of Surveying and Mapping,2014(11):108-112.)
[12]谭仁春,姚岚.城市三维快速建模方法探讨[J].测绘科学,2015,40(5):136-138.(TAN Renchun,YAO Lan.Discussion on fast modeling method for 3Dcity[J].Science of Surveying and Mapping,2015,40(5):136-138.)
[13]娄启业,程效军,谭凯.基于AutoCAD和3DMax的建筑物三维建模[J].工程勘察,2013,41(11):71-74.(LOU Qiye,CHENG Xiaojun,TAN Kai.Three-dimensional modeling of buildings based on AutoCAD and3DMax[J].Geotechnical Investigation&Surveying,2013,41(11):71-74.)
[14]夏春林,王佳奇.3DGIS中建筑物三维建模技术综述[J].测绘科学,2011,36(1):70-72.(XIA Chunlin,WANG Jiaqi.Three dimensional modeling of building in 3DGIS[J].Science of Surveying and Mapping,2011,36(1):70-72.)
[15]张留民,吕宝奇.基于AutoCAD的DLG批量建模技术的研究与实现[J].测绘与空间地理信息,2015,38(4):180-181.(ZHANG Liumin,LYU Baoqi.Research and realization of DLG batch modeling technology based on AutoCAD[J].Geomatics&Spatial Information Technology,2015,38(4):180-181.)
[16]王迪,周艳,张伟东.城市建筑三维快速建模方法的研究与实现[J].测绘与空间地理信息,2016,39(6):123-125.(WANG Di,ZHOU Yan,ZHANG Weidong.The research and implementation on fast modeling of 3Dcity buildings[J].Geomatics&Spatial Information Technology,2016,39(6):123-125.)
[2]朱庆伟,马宇佼.基于三维激光扫描仪的建筑物建模应用研究[J].地理与地理信息科学,2014,30(6):31-35.(ZHU Qingwei,MA Yujiao.Application and research of building modeling based on 3Dlaser scanner[J].Geography and Geo-Information Science,2014,30(6):31-35.)
[3]戴彬,钟若飞,胡竞.基于车载激光扫描数据的城市地物三维重建研究[J].首都师范大学学报(自然科学版),2011,32(3):89-96.(DAI Bin,ZHONG Ruofei,HU Jing.Research on 3Dreconstruction of urban features from data based on vehicle-borne laser scanning[J].Journal of Capital Normal University(Natural Science Edition),2011,32(3):89-96.)
[4]谭仁春,李鹏鹏,文琳,等.无人机倾斜摄影的城市三维建模方法优化[J].测绘通报,2016(11):39-42.(TANRenchun,LI Pengpeng,WEN Lin,et al.Improvement of 3Durban modeling method based on unmanned aerial vehicle oblique photography[J].Bulletin of Surveying and Mapping,2016(11):39-42.)
[5]周晓敏,孟晓林,张雪萍,等.倾斜摄影测量的城市真三维模型构建方法[J].测绘科学,2016,41(9):159-163.(ZHOU Xiaomin,MENG Xiaolin,ZHANGXueping,et al.A method for urban real 3D model building based on oblique photogrammetry[J].Science of Surveying and Mapping,2016,41(9):159-163.)
[6]王建强,钟春惺,江丽钧,等.基于多视航空影像的城市三维建模方法[J].测绘科学,2014,39(3):70-74.(WANG Jianqiang,ZHONG Chunxing,JIANG Lijun,et al.3D city modeling construction based on multiview aerial images[J].Science of Surveying and Mapping,2014,39(3):70-74.)
[7]张青峰,吴发启,周淑琴,等.校园虚拟漫游设计初探[J].测绘科学,2005,30(6):124-126.(ZHANGQingfeng,WU Qifa,ZHOU Shuqin,et al.Trall of campus virtual and designing[J].Science of Surveying and Mapping,2005,30(6):124-126.)
[8]王建敏,王凯,孟凡帅.校园三维景观设计与实现[J].测绘工程,2011,20(3):62-64,69.(WANG Jianmin,WANG Kai,MENG Fanshuai.Design and realization of campus 3Dlandscape[J].Engineering of Surveying and Mapping,2011,20(3):62-64,69.)
[9]刘媛,邓运员,刘立生,等.CityEngine CGA支持下的传统民居复杂屋顶建模及优化:以衡阳市中田村为例[J].测绘通报,2016(3):98-102.(LIU Yuan,DENGYunyuan,LIU Lisheng,et al.3Dcomplex roof modeling and optimizing of tradional residential houses based on CityEngine CGA:taking Zhongtian village of Hengyang city as an example[J].Bulletin of Surveying and Mapping,2016(3):98-102.)
[10]赵雨琪,牟乃夏,张灵先.利用CityEngine进行三维校园参数化精细建模[J].测绘通报,2017(1):83-86,111.(ZHAO Yuqi,MOU Naixia,ZHANG Lingxian.CityEngine based 3Dcampus parametric fine modeling[J].Bulletin of Surveying and Mapping,2017(1):83-86,111.)
[11]张晖,刘超,李妍,等.基于CityEngine的建筑物三维建模技术研究[J].测绘通报,2014(11):108-112.(ZHANG Hui,LIU Chao,LI Yan,et al.Research on3Dbuilding modeling technology based on CityEngine[J].Bulletin of Surveying and Mapping,2014(11):108-112.)
[12]谭仁春,姚岚.城市三维快速建模方法探讨[J].测绘科学,2015,40(5):136-138.(TAN Renchun,YAO Lan.Discussion on fast modeling method for 3Dcity[J].Science of Surveying and Mapping,2015,40(5):136-138.)
[13]娄启业,程效军,谭凯.基于AutoCAD和3DMax的建筑物三维建模[J].工程勘察,2013,41(11):71-74.(LOU Qiye,CHENG Xiaojun,TAN Kai.Three-dimensional modeling of buildings based on AutoCAD and3DMax[J].Geotechnical Investigation&Surveying,2013,41(11):71-74.)
[14]夏春林,王佳奇.3DGIS中建筑物三维建模技术综述[J].测绘科学,2011,36(1):70-72.(XIA Chunlin,WANG Jiaqi.Three dimensional modeling of building in 3DGIS[J].Science of Surveying and Mapping,2011,36(1):70-72.)
[15]张留民,吕宝奇.基于AutoCAD的DLG批量建模技术的研究与实现[J].测绘与空间地理信息,2015,38(4):180-181.(ZHANG Liumin,LYU Baoqi.Research and realization of DLG batch modeling technology based on AutoCAD[J].Geomatics&Spatial Information Technology,2015,38(4):180-181.)
[16]王迪,周艳,张伟东.城市建筑三维快速建模方法的研究与实现[J].测绘与空间地理信息,2016,39(6):123-125.(WANG Di,ZHOU Yan,ZHANG Weidong.The research and implementation on fast modeling of 3Dcity buildings[J].Geomatics&Spatial Information Technology,2016,39(6):123-125.)
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