Results 13 issues of Shing Liu

Model Dragger is an efficient way to modify the shape's position and orientation in a 3D scene. Here is a Model Editor in a other software: ![Model Editor](http://www.cppblog.com/images/cppblog_com/eryar/Windows-Live-Writer/Implementation-Model-Editor-of-AVEVA-in-_B8E6/wps_clip_image-19277_thumb.png) Figure 1.1...

enhancement

PDMS Isodraft have Weld Numbering options for piping isometric drawing: ![isoweld](https://user-images.githubusercontent.com/8439181/222332784-40be44d7-fb9a-4086-9482-aa1fafd13d35.jpg) Add weld number and report function for PipeCAD.

IsoAlgo

![image](https://user-images.githubusercontent.com/8439181/200098351-bc95b362-ae81-4330-913a-2a9e5f9d439b.png)

Design
Piping

Give GUI for piping isomtrics options.

IsoAlgo
Piping

Export model to PDMS RVM/ATT file format for review softwares.

Design
PipeCAD

Modify Component: ![Image](https://user-images.githubusercontent.com/8439181/190125129-bbf9f3e9-542e-422f-9463-638cd5892743.png)

Design
Piping

Export piping component material to Excel file.

Design
Piping

Bolt length calculation for piping isometrics and material report.

Design
IsoAlgo

Add modify function for nozzle orientation: ![image](https://user-images.githubusercontent.com/8439181/179399906-c6c0ca93-219e-4943-99d9-d0e6acc0f67e.png)

Design
Equipment

Add copy operation for selected item: Offset: rectangulare arry copy; Rotate: polar array copy; Mirror: mirror copy. ![Image](https://user-images.githubusercontent.com/8439181/169678417-9cd3bc70-112b-42f1-bdd4-4f81bf8555d0.png)

Design