[Therion] Cross Sections - Scale?

Tue Sep 21 16:45:36 CEST 2010

Hi Andrew,

xtherion does not save default scale in .th2 file. When you edit some scrap
or insert new one, then it is set as default. So when you insert scraps
afterward, this scale is used.

I think it is a good idea to take default scale setting from some scrap in
the file, if it is not present or at least generate some kind of warning -
if there are some cross-section scraps without scale.

To solve your problem quickly i.e. adding scale to every scrap in .th2 file,
you can open .th2 file in xtherion text editor and then:
1. open Search & Replace toolbox
2. check the "regular expressions" checkbox
3. type "(scrap.*-projection none)" into search text entry (withou quotes ;)
4. type "\1 -scale [1202.0 259.5 1404.5 328.0 -10.19 -65.13 0.27 -61.86 m]"
or whatever is your desired scale into replace text entry (check the replace
checkbox)
5. press the "All" button and scale will be added to every cross-section
scrap

HTH, S.

On 21 September 2010 09:15, Andrew Atkinson <andrew at wotcc.org.uk> wrote:

> Sorry but I am getting no where with this (well not strictly true.)
>
> Looking at the .th2 file in the text editor, I can see it is getting a
> default scale from somewhere, so I can do a search and replace on all the
> -scraps [-128.0 -128.0 9261.85826771 -128.0 0.0 0.0 238.5024 0.0 m]
>
> and replace them with the correct numbers.
>
> However, it would be better if I could do it in the file, as you suggest.
>
> ##XTHERION## xth_me_area_adjust -128.0 -128.0 9362.0 4379.96850394
> ##XTHERION## xth_me_area_zoom_to 400
> ##XTHERION## xth_me_image_insert {155.905511811 1 1.0} {949.606299212 1.0}
> PocketTopo/SandWormth_p.xvi 0 {}
>
> I cannot find any help on these lines, but to me it looks like the fist
> line defines the visible area, the second the zoom
> and final one is something to do with the background image. However the
> numbers in the brackets I cannot work out. There is a {} which could contain
> a scale, but again if this is true I cannot work it out.
>
> Although I am wondering even if I do work this out it might only be applied
> to new scraps I insert.
>
> Reading the wiki again I found
>
> http://therion.speleo.sk/wiki/doku.php?id=tfc:332
>
> And to quote the first paragraph
>
>  When you open a new .th2 file. there are 2 red squares at bottom corners
>> of canvas. These points are used to set scale manually.
>>
>
> I have tried opening a new .th2 file but cannot see these square? So moving
> onto the next line
>
>  After drawing plan and extended scraps, they could not be visible. If
>> selected object on canvas is not a manually scaled scrap, they will NOT be
>> visible at all. You need to go to “File commands control” panel, then click
>> on the line representing cross-section scrap you create on last step. They
>> should be visible now. However, if some zooming was done, they could be out
>> of visual reach. You may scroll canvas or set zooming to 25% to see them.
>> Once found, they can be dragged.
>>
>
> What is the "File Control Panel"
>
> The closest I can find is Command Preview but this does not bring up the
> red square?
>
> version 5.3.3 on Ubuntu 10.04
>
> thanks
>
> Andrew
>
>
>
>
>
> On 20/09/10 21:06, Martin Sluka wrote:
>
>> Any scrap is "calibrated" see first lines of th2 file. Probably there is a
>> another way.
>>
>> Odesláno z iPhone
>>
>> 20.9.2010 v 18:26, Andrew Atkinson<andrew at wotcc.org.uk>:
>>
>>  Damn
>>>
>>> Thanks, I had read the wiki, but sort of saw it working without the
>>> scale, so assumed that it was an undocumented feature, and that it took the
>>> scale from the main map some how, as I seem to remember it complaining if it
>>> did not have scale before, or was that only for plans.
>>>
>>> Now my reading of the wiki, and the thbook is that a scale would be
>>> needed for every scrap.
>>>
>>> Okay this seems like a good option, but as most of the time anything in a
>>> single th2 file would be at the same scale, could not a default one be set
>>> for the file, and then over ridden by a scrap scale. As you might have seen
>>> I have lots of cross sections, to scale.
>>> It would be even better if it could take the scale from the plan, or
>>> maybe somehow from the PocketTopo import. Maybe an option for the sections
>>> been a a set multiple of the plan. (but I am not sure if people do this when
>>> drawing in the cave so might be pointless.) But maybe this is not possible,
>>> it is certainly for the future, this print will have to go out as is, guess
>>> the problem is that lost of the poeple looking at the survey next w/e are on
>>> the list so the mistake will jump out at them, now :(
>>>
>>> If I do want to stay up all night and correct this, would the quickest
>>> way be to set the scale in one cross-section scrap and then edit it in the
>>> text editor and copy to all the other cross-section scraps?
>>>
>>> thanks
>>>
>>> Andrew
>>>
>>>
>>> On 20/09/10 12:10, Martin Sluka wrote:
>>>
>>>> The cross-sections has no included any stations to calibrate the size as
>>>> map or elevation. Normally you should calibrate them:
>>>> http://therion.speleo.sk/wiki/doku.php?id=tbe:wiki3#cross_sections
>>>>
>>>> Martin
>>>>
>>>> On 19.9.2010, at 23:51, Andrew Atkinson wrote:
>>>>
>>>>  At last a final survey to be printed, well not quite.
>>>>>
>>>>> On closer examination, there seems to be a scale problem with the
>>>>> cross section. Either that or my drawing is really bad.
>>>>> Some of them seem to be twice the scale of the main survey, others
>>>>> seem to be the same.
>>>>>
>>>>> Is there a way to control this and what is the default?
>>>>>
>>>>> I have a horrible feeling that when I have imported from pocket topo,
>>>>> it asks which scale, some I have done at 1:200 but in the end I
>>>>> switched to 1:100, I hope this has not made a difference.
>>>>>
>>>>> You should be able to see what I mean on
>>>>>
>>>>>
>>>>> http://www.ubss.org.uk/__transfer/Charterhouse_basic_survey_small_file.pdf
>>>>>
>>>>>
>>>>> The ones on Route 66 (upper label) Onion Passage, look fine, but the
>>>>> ones on Route 66 (lower label) seem far too large, I have assumed
>>>>> twice scale.
>>>>>
>>>>> Practically out of time this has to go to printing, tomorrow
>>>>>
>>>>> Can I also thank all those on the list that have helped me to get this
>>>>> into production, and especially to those of you doing the coding
>>>>>
>>>>> Andrew
>>>>>
>>>>> _______________________________________________
>>>>> Therion mailing list
>>>>> Therion at speleo.sk
>>>>> http://mailman.speleo.sk/mailman/listinfo/therion
>>>>>
>>>>
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