March Dajiang released "Dajiang Chi map" ground station, there are basic and professional versions of the points, base classes can be purchased directly at Dajiang official website, monthly, annual purchase a license.
See the introduction not only to control UAV aerial survey (setting line, automatic flight), while flying a map, it is really very powerful.
Today there got from Dajiang Dajiang Chi Figure Pro license (thanks to Huang), took the opportunity to do some comparison and Smart3D modeling (osgb format model).
Whatever the outcome as a first point of Dajiang praise.
First, the cool interface:
Second, the New Task (tilt Photography)
Third, the default name for the Chinese (my real heart startled, or China-made software to understand the people ah)
Fourth, into the reconstruction options
Fifth, after importing import photos :( optional deletion, continue to add)
Sixth, began to rebuild (rebuild only tilt, model format two options can be set)
Not an additional operation
Seven, start rebuilding (we click on)
Whether there will be a prompt to copy pictures (without copying, copy photos to guess the reason is to facilitate future restoration projects, to prevent accidental deletion)
Eight, wait
Points [with photos], [rebuilding], whether behind the other I do not know, no long wait has been sitting at a computer
Nine, to see the results
images are procedural texture, models are models
3 types of format to see results, b3dm (cesium format), osgb, ply (a model that can be exported in the form solidworks)
10. Comparative results (first and osg generated before processing performed by smart3d some comparison)
For accuracy, where choice osgviewer comparison (Dajiang left and right smart3d)
Contrast key:
Ease of use: Dajiang few extra steps; smart3d need aerial triangulation, reconstruction, production; Dajiang win
Root: root Dajiang comes automatically merged; Smart3D root node must generate merged separately, and a high failure rate; Jiang big win
Nodes: Dajiang automatic block 8; Smart3D machine according to the memory 36 points; Jiang big win
成果体积:大疆2.47G;smart3d 486M(也许和选择的模型质量相关)
面平整度:两者基本一致
纹理效果:见图,smart3d更胜一筹
osgb文件总数:大疆14775;smart3d 3134;smart3d完胜
osg加载速度:放大缩小查看,大疆慢,smart3d快(应该和节点个数相关)
范围设置:大疆自动,smart3d可自由设置(smart3d更灵活)
处理时间:大疆6小时,smart3d,时间忘了(好像超过了6个小时)
osgb版本:大疆应该是3.6左右,smart3d应该是3.2以上都兼容
osg模型结构分析:
一个tile下的osgb文件分级情况(说明这里不对比文件个数问题,因为同等电脑配置下大疆的分块个数远小于smart3d):
对于他们的分级标准是否一致,未做验证(是否level代表的是指定的分辨率?)
大疆(不含tile根节点是从15-22级,共8级):
Model.osgb、Model_L15_0_0.osgb、Model_L16_0_0.osgb、******、Model_L22_15_63.osgb
smart3d(不含tile根节点是从17-23级,共7级)
Tile_+000_+000.osgb、Tile_+000_+000_L17_0.osgb、Tile_+000_+000_L18_00.osgb、******、Tile_+000_+000_L23_0003300.osgb
看一组对比图吧
最精细级别,三角网效果(网格结构完全不一致啊):
纹理结构分析:
最后附上web查看地址:
dji
smart3d
I enclose my computer configuration:
Graphics: NVIDIA 980ti
cpu:i7-6800k @3.4GHz
Memory: ddr4 16G
Some news:
Before I heard Dajiang and bently cooperation, thinking Dajiang tilt processing and smart3d will be basically the same, the moment bently may still have reservations.
Process and look at the results of the block, and a model of a structure is not like.
Results Dajiang and personnel communication, an entirely independent research and development, the original reports of cooperation and Dji terra nothing to do.
statement:
From the above comparison of personal interest and do not represent the official.