I’m a big fan of undo, and use it a lot. Unfortunately I did not notice the reason in this case until too late. I got to the end of the undo stack before the problem was resolved.
I think that the reason I did not take sufficient notice is that although the zoom behaviour was not quite right, I was sure I had not rolled the mouse wheel. Hence I though I’d stumbled on a variant of the bug, and so put up with it for too long before trying to back out. For me rolling the mouse wheel to zoom is such a reflex (almost every application uses it) that I do it without realising. One option, short of fixing the bug, would be to have the zoom level display on the menu bar between the + and – controls. That would give the user a cue to an imminent problem. The notification in the Drawing Area side menu is buried too deep for the user to review constantly. Bruce From: Therion <[email protected]> On Behalf Of Martin Sluka via Therion Sent: Monday, 19 March 2018 10:11 PM To: List for Therion users <[email protected]> Cc: Martin Sluka <[email protected]> Subject: Re: [Therion] Scaling problems with backgrounds in th2 files - XTherion The same problem. I used undo button to return to the correct state. Martin S. 19. 3. 2018 v 9:44, Bruce Mutton via Therion <[email protected] <mailto:[email protected]> >: Today I made a new .th2 drawing file and used a .png file as a background image. Not something I do very much these days, as I typically use .xvi files created PocketTopo files. The xvi images work just fine in XTherion. But as described in the post in this link, <https://www.mail-archive.com/[email protected]/msg06890.html> https://www.mail-archive.com/[email protected]/msg06890.html, there are problems when using the mouse wheel to zoom if background images are .jpg or .png. Until now I have adopted a work around of only using the menu + and – zoom buttons where th2 files are linked to these. However for one projected elevation drawing, even the + and – controls are problematic. I think I accidentally used the mouse wheel before inserting the image. As a result the image is only aligned with the sketch at one particular zoom level. 144% in this case. There is also a problem with the image clipping. <image001.png> In the above example, if I zoom out one level, the drawing reduces, but the image does not change by the same amount. <image002.png> If I use the zoom wheel, the situation compounds and gets worse. So I have a situation where I can only align this drawing at one zoom level, and I have to be careful not to use the mouse wheel. Not really a problem in this case, as it is a trivial survey and scrap, but it is a significant issue for anyone who might still be regularly using scanned sketches for drawing. Is this something that someone knows how to address? I’m using Therion 5.4.1+f0c98ce (2018-03-03) Bruce _______________________________________________ Therion mailing list <mailto:[email protected]> [email protected] <https://mailman.speleo.sk/listinfo/therion> https://mailman.speleo.sk/listinfo/therion
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