DTAS Python Automation: Stop Enduring Tedious Modeling

Tackle the "Two Highs"—high repetition and high time consumption—in tolerance modeling.
Let Python scripts be your modeling assistant, freeing you from manual, repetitive tasks.

True Modeling Freedom
With DTAS Python, you can develop custom virtual assemblies and measurements for specific scenarios—giving you control, speed, and flexibility.

I. Application Scenarios

1.Eliminate Repetitive Tasks – Follow the DRY (Don’t Repeat Yourself) principle and automate tedious operations.

2.Develop Custom Logic – Create your own virtual measurements and assemblies for complex situations (DIY).

3.Standardize & Automate Workflows – Drive consistency, automation, and intelligence in tolerance simulation.

II. Quick Start with DTAS Python Scripts

1.Record & Adapt Macros – Capture actions and edit the generated code.

2.Learn from Examples – Browse and modify scripts in \script_lib within the DTAS installation folder.

3.Use Development Helpers – Refer to the DTAS Python API guide in \help.

This section focuses on the first scenario: freeing users from repetitive work.

III. Example: DTAS 3D Python Scripting in Action

1.Headlamp Design & Fixture Integration – Evaluate gap & flush at critical mounting positions after fixture installation.

2.Fixture Development & Repeatability – Assess consistency of gap & flush under repeated mounting conditions.

3.Body DTS (Dimensional Technical Specifications) – Verify gap & flush between headlamp and all adjacent parts.

Challenge: How to rapidly generate surrounding measurement points and virtual measurements for the headlamp?
Solution: Use DTAS Python scripts to automate point creation, alignment, and measurement definition—turning hours of manual work into a repeatable, one‑click process.

IV. Software Operation

The script in this case is as follows:

#****************************Batch Establish Point Distance Measurement************************************

#version: V001

#author: dtas soft

#date: 2023.03.31

#--------------Usage----------------

#Name must follow certain rules Name_i

#Modify point1Name

#Modify point2Name

#Modify MeasureName

#Modify Number

#****************************Batch Establish Point Distance Measurement************************************

Number=27

Point1Name="Lamp_Flush-"

Point2Name="Gauge_Flush-"

MeasureName="Measure_Flush-"

for j in range(Number):

j=j+1

#Distance between two points

Mea_DistanceOfTwoPoint(Point1Name+str(j), Point2Name+str(j), feature3="", feature4="", name=MeasureName+str(j), lower=-2, upper=2, desc="desc", useAbso=False, parent="", flag=2,normal=[1, 0, 0])

V. Summary

1.DTAS innovatively integrates CAE‑style script automation and extensible development into Computer‑Aided Tolerancing (CAT).

2.Through an open API, macro recording, and Python scripting, DTAS frees users from repetitive modeling—boosting efficiency and enabling script reuse.

3.Users can build custom tolerance models (virtual assemblies, measurements), expanding the software’s capability in complex scenarios and offering greater flexibility across all skill levels.

4.This foundation supports a collaborative user ecosystem and paves the way for intelligent, automated tolerance analysis.

Next, we’ll explore the second application scenario. Stay tuned!

Follow us
Subscribe to the DTAS WeChat Official Account or scan the QR code to add our support team, and reply “Tolerance Python Script Demo” to schedule a live walk‑through. We’ll reach out right away!