catia数字化编辑器.

http://www.caxhome.com
5
清理数据(2/2)
Filtering: 过滤
Homogeneous: enter the value of the Sphere radius, used to filter the points. The filtering sphere is visualized by a green sphere. You can change its position by a simple mouse click at a desired location
http://www.caxhome.com
4
清理数据 (1/2)
Global : • Select all will select the whole Cloud of points • Swap 选则转换
Selection : • Pick : will allow selection by picking elements on screen. The element type is filtered by the options from Level • Trap: Will allow the selection through a contour trap see explanation on trap type. The trap is drawn in a plane but has a depth. Then you may change the trap by the manipulators of the Trap.
统计 : • This check box will allow you to get information in the statistics window (number of points, dimensions…)
Apply : when you are satisfied with your import parameters, use Apply then OK to create the Cloud Import entity
CATIA 逆向工程
曲面数字化编辑器
Digitized Shape Editor
http://www.caxhome.com
1
工具
http://www.caxhome.com
2
调入点数据 (1/2)
Cloud import : 在使用这个模块时，首先就需要将数据调入 CATIA
格式 :
• 可以在此栏中进行格式选择 选择输入文件 : • Direction 和 Delimiters 用来进行 scans. • Atos 是控制点的质量（去除无效点）， 数值从 0 到 255 (由低到高)，那么低于此值的点将被忽略 。
You can create as many areas as you wish by clicking Apply and drawing another trap, until you click OK to validate and exit the action.
• 点一旦去除就不能再恢复。
Statistics will be then displayed, that is : • Before application, The number of points to be processed. • After Application, the number, and the percentage of the remaining points
Remove: 从点云上去除点。
Trap Type : • 选择方式
Selected Part , 选择方向: • Inside Trap:
• Outside Trap:
Level: In coordination with Pick can be set to:
Point Scan/Grid Digit Cloud Triangle
Adaptative : The value to enter represents the local chordal deviation. This filtering hides more points from the planar areas than from other areas. That way, you can highlight bent areas.
Ascii :
Atos :
Stl :
Iges :
ຫໍສະໝຸດ Baidu
http://www.caxhome.com
3
调入点数据(2/2)
Preview : • Replace : will replace the current cloud of points by this new one. • Update: Will display the cloud of points along with its bounding box. Then use the manipulators of this box to clip the part of the cloud you import
Options : • Sampling: allows to import a certain percentage of the Digitized data, be careful, this will be done sequentially every x points will be kept. • Scale Factor: the scan is very often performed on a scaled model, you may want to work on real size model, apply the given scale factor • File Unit: your CATIA session is set up for a given unit. The file you import comes from the outside world and may be digitized in another unit. Set up the proper unit before importing the file