How to find view center point of twisted viewport

In the previous post I described how to set a view center point of the viewport. In this one I will try to explain how to find the right X, Y coordinates in World UCS in twisted viewports. Let’s say we want to set view in the viewport twisted by 60° with view center point in X: 20, […]

Blog migration

Due to some limitation of blogger I decided to move the blog to self-host wordpress with new address It’s so much fun to handle layout with CSS in wordpress :). I put auto redirection code to the blogger, so the past address still works.


What is it for With ViewPortMaster you can simply create rectangular viewports in the model space and then insert them in the layout. App works in Autocad/BricsCAD/ZWCad, also probably soon in GstarCAD (need to find out why it doesn’t work). It depends on OpenDCL (at least in version 8.0) runtime, so before you use VPM, […]

ViewPortMaster 1.6.2

The new version of application has just been released. I’ve added some new features and fixed small bugs. There is a new function to show/hide objects names next to frames and viewports. In the next release I will add functionality to import new names by editing those texts.