Principal Mechanical Engineer

[Kevin Brighton]

I've upgraded to 5.2.6.9, and cannot get the tunnel (airway) profile builder to work. It won't let me insert any points. Anybody have any ideas?

[John Armstrong]

Hi Kevin,

If you can tell me what you've tried?

See below image..

1. I've clicked on the tool bar button to set the background image (selected an image file)

2. clicked on the pencil and use the mouse to left click on the bottom left (see the red dots, i'm part way through building this shape)

3. click save and we have new shape, note: no need to close the shape it will automatically connect the last dot and first dot (the green line)

Let me know how you go 

Note: you can also copy and paste the points from excel

Regards

 

 

[Kevin Brighton]

Thanks for your response Tom. The Excel route works, so I'll go with that. I have to say not impressed with the new edit tool, drawing freehand is not ideal. It would also be helpful if the manual for 5.2 had the same interface (still shows the previous method).

[Kevin Brighton]

That should be John of course, should check my typing! Anyway, how would I get the centre to locate at the 0,0 position?  Before it was just a case of centring the profile around the 0,0 point, but can't figure out how to achieve that here. In this case, it is half of a drive being excavated, and I want it to centre in alignment with the full drive profile.

[Don Wallace]

Hi Kevin

Thanks for your feedback on the Custom Shape Builder. There does appear to be some issues with this new control. I will look at addressing these and get a fix available to you tomorrow.

Regards

Don

[Kevin Brighton]

Thanks Don, I appreciate your looking into it for me.

[Don Wallace]

Hi Kevin

We have made a minor release that includes changes to the Profile Builder that will address the issues we have discussed. This can be downloaded https://ventsim.com/download/minor-releases/ and selected the VentSim™ Design  - Version 5.2.7.1
Minor Release

 

 

Draw your tunnel profile by selecting the pen button and placing dots on the blank canvas. Alternatively load an image onto the canvas via the image button and dot trace around the image.

Select the center point position from the center point dropdown. Options are middle, top, bottom, left, right. For a ‘half’ profile use left or right

 

Then click on the Apply button. This will transform the points to a 1:1 aspect ratio and the image will fill the canvas area. The changed image and points will be displayed at this stage. Click close and the profile is ready to use.

As the profile is adjusted to a 1:1 aspect ratio you can set the tunnel Width and Height values and the correct Area will be calculated and tunnel will by drawn in Ventsim at the correct aspect ratio to give a reasonable visual appearance of the profile.

Regards

Don Wallace