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                                       214a changes - crop/combine picture shapes
     
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1st message | this message only posted: 30 Jan 2017 13:15
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from:
Martin Wynne
West Of The Severn, United Kingdom



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crop/combine picture shapes

This new function in 214a is used to crop or combine one or more picture shapes. A single picture shape can be cropped smaller, or several picture shapes can be combined into a single picture shape.

The advantage of having a single picture shape instead of several is that it can be more easily shifted to a new position, twisted, re-sized, wrapped onto a curve, etc. Or a large image can be cropped to a smaller more convenient size for faster zooming.

It can also be easily turned on and off on the trackpad by clicking the show on trackpad tickbox (also new in 214a), or by double-clicking it on the list.

Here 2 screen-grabs from OS 25" maps have been scaled (sized) to match, and aligned one over the other. A new background rectangle shape has then been drawn over them (the red rectangle):



At this stage it is a normal rectangle shape, and can be shifted or re-sized in the usual way.

Now we can use the crop/combine function:



1. select the rectangle shape on the list.
2. click the modify shape tab.
3. click the crop/combine picture shapes button.

This is the result:



The rectangle has been converted to a new picture shape, containing a copy of the underlying picture shapes.

We can now if we wish delete the original picture shapes:



The crop/combine function retains the full resolution of the original picture shapes, as can be seen when zoomed in:
 

 
The great advantage of having a single picture shape instead of several is that it can now have further functions applied to it more easily. You may want to shift it to a new position, re-size it, wrap it onto a curve, etc.

Here for example I first twisted it by -35 degrees to a more convenient alignment using the twist... button, and then used crop/combine again to reduce it to a more manageable size.

I have then set it show transparent and started aligning tracks over it. A C-9 turnout is found to fit for the trailing connection from the Goods Yard:


 
The advantage of performing these picture shape functions in Templot rather than a graphics editor program is that the scaling and full resolution is maintained.

More info: http://templot.com/companion/crop_combine.php

regards,

Martin.

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2nd message | this message only posted: 1 May 2017 06:17
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from:
Paul Willis
 

 

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Hi Martin,

I just wanted to say that this worked like a dream. It cleaned up a grabbed image from NLS superbly. The instructions above were really easy to follow.

Thanks as usual for all your efforts.

Cheers
Paul
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3rd message | this message only posted: 1 May 2017 09:41
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from:
Martin Wynne
West Of The Severn, United Kingdom



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Hi Paul,

Thanks for the feedback. I'm glad it worked ok. :)

I often wonder how new features are working out.

regards,

Martin.

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4th message | this message only posted: 5 Mar 2018 21:11
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from:
Philip Griffiths
Ireland



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Hello Martin,

I've imported some scanned maps into Background Shapes, but I want to crop them as the borders are on the scans. However crop is greyed out. Is there a reason for this?
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message ref: 24138

 
 Clicked a link? Wrong message? Wait until the page has finished loading, click in the address bar and then press the Enter key. This is a timing bug in some browsers.
5th message | this message only posted: 5 Mar 2018 21:29
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from:
Martin Wynne
West Of The Severn, United Kingdom



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Please do not send requests for help direct to me via email or PM.

Post your questions on the forum where everyone can see them and add helpful replies.
Philip Griffiths wrote: I've imported some scanned maps into Background Shapes, but I want to crop them as the borders are on the scans. However crop is greyed out. Is there a reason for this?Hi Philip,

You must first draw a rectangle shape over the area to be cropped (it can include more than one picture shape).

Then with the rectangle selected in the list, click the crop/combine button.

See the first post in this topic for full details. Sorry the images were missing, I have now put them back.

cheers,

Martin.

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message ref: 24140

 
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