Re: [Therion] Height numbers in square boxes

20 Sep 2018

      One of the developers added a NZSS symbol set some years ago, based on a few symbol definitions I posted on this forum.

I have some more symbol definitions I would like to add to it, btw.

If someone points me to the general code location, I might try to cut my teeth on git and add those extra definitions.

A new symbol set can include as little as a single symbol, so it should not be a big job Bill.  You can simply reassign symbols from other symbol sets for those not defined in your chosen symbol set.  ie

  symbol-assign line gradient UIS

  symbol-assign point gradient UIS

Maybe some learning we can do together Bill (on adding to symbol sets).

Also for what it is worth, I made this clumsy attempt at text within boxes (or sorts).  Not quite what you are after, but might give some ideas.

A more generally useful thing I have been wondering about for point labels and point remarks (or line labels for that matter) would be the ability to add a box around the text, as a simple property of that entity, activated in the same way as we specify -align left or -scale xs.  And even a -hyperlink [path|url] would be useful

# Define an experimental label symbol for graffiti

code metapost

def p_u_graffiti (expr pos,theta,sc,al)=

  U:=(.2u,.5u);

  T:=identity aligned al rotated theta scaled sc shifted pos;

  %# pos and al work fine in label below, but theta and sc transformed about far off point???

  %# so have been disabled for label component.  Plan rotation seems to have no further detrimental effect

  label (btex Gr etex, pos) aligned al; % rotated theta scaled sc aligned al;  % btex and etex are wrappers around code to be process by tex

  thdraw unitsquare scaled u shifted (-0.5u,-0.5u) rotated 45 withpen PenD; % diagonal box with thin pen

  thdraw fullcircle scaled u withpen PenD;  

enddef;

initsymbol("p_u_graffiti")

endlayout LayoutMapThisCave

#legend entries for custom entities

text en "point u:graffiti" "Historic graffiti" #text to appear in legend

Regards

Bruce

-----Original Message-----
From: Therion <therion-bounces@speleo.sk> On Behalf Of Martin Sluka via Therion
Sent: Friday, 21 September 2018 00:09
To: List for Therion users <therion@speleo.sk>
Cc: Martin Sluka <martinsluka@mac.com>
Subject: Re: [Therion] Height numbers in square boxes

Please contact Martin Budaj. 

Odesláno z iPhonu

20. 9. 2018 v 13:32, Bill Gee via Therion < <mailto:therion@speleo.sk> therion@speleo.sk>:
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Hi Martin -
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Now that is an interesting idea!  Most of the symbols used in Missouri
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are UIS, so that would serve as the starting point.
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Is there any documentation on how to create an entire symbol set?
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And my original question is still there ...  How can I create a symbol
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that puts a number inside a square box?
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Bill Gee
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On Thursday, September 20, 2018 12:37:42 AM CDT Martin Sluka via
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Therion
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The correct way could be to define “Missoury symbol set” as one of
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defaults for Therion.
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It should be more simple than user symbol, because it will work with
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contents menus.
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Martin S.
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Odesláno z iPhonu
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20. 9. 2018 v 1:05, Bill Gee via Therion < <mailto:therion@speleo.sk> therion@speleo.sk>:
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Hi Andrew -
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I have defined several of my own symbols such as a pendant and
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popcorn with hollow circles.  I could easily define a custom point
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that would display a square box.
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But then how to get the value displayed inside the box?  And how to
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make the box scale according to the number of digits it contains?
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And will Therion do unit conversions like it does for the passage-height object?
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That's why I was looking for the existing code.  If I can find it,
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then it is probably pretty easy to modify.
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Yes that is probably possible, however, using a defined symbol for
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something else is probably not the right answer. Therion allows you
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to define your own points.
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From the wiki
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point u:xxxx where xxxx is the name of a user defined symbol that
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you have defined or referenced in a layout.
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The actual definition seems to be beyond me at the moment, let me
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sleep on it, but hopefully a more skillful person will have the
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answer.
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Andrew
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On Wed, 19 Sep 2018, 22:28 Bill Gee via Therion,
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< <mailto:therion@speleo.sk> therion@speleo.sk>
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wrote:
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Hello everyone -
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A common convention around Missouri cave mapping is to indicate
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the height change of a floor step by enclosing the value in a
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square box.  This is not the same as ceiling height which is
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enclosed in a circle or oval.
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I have been using the object "point height" for this.  It works
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except there is nothing around the value.  It just hangs out in
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space, so to speak.
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I used the "-d" option to dump all the MetaPost and TeX code.  I
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find no references in any of the files to objects of type height
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or passage-height, which implies that these two objects are not
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generated by MetaPost.
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Is it possible to redefine the "point height" symbol so it draws a
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square box around the value?
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Thanks!
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Bill Gee
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Re: [Therion] Height numbers in square boxes

Bruce Mutton