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#1
Richard

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Hello All
A surveyor in Tasmania - 'just off the Australian coast'. I've always had an interest in maps - as a little tacker I used to hand draw maps now graduated to PC and Mapublisher/ AICS, Manifold, and CanvasX -GIS.
I've been particularly taken with relief maps using shading methods - easily accomplished the old way with coloured pencils and a bit of finger smudgeing but not yet nutted it out in PC mode.
Main map work is for local Rivercare group but also prefer to present many of my plans in 'map' form as they are far more appealing.
This site is very ineteresting, thanks for all contributors.
regards Richard Sands

#2
Hans van der Maarel

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Hello Richard, and welcome to Cartotalk!
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#3
DaveB

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I've been particularly taken with relief maps using shading methods - easily accomplished the old way with coloured pencils and a bit of finger smudgeing but not yet nutted it out in PC mode.


Have you seen Tom Patterson's work? Relief Shading (although, I think he uses a Mac, so your statement might not be far off) :D
Dave Barnes
Esri
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#4
Richard

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I've been particularly taken with relief maps using shading methods - easily accomplished the old way with coloured pencils and a bit of finger smudgeing but not yet nutted it out in PC mode.


Have you seen Tom Patterson's work? Relief Shading (although, I think he uses a Mac, so your statement might not be far off) :D

Thanks Dave, Those maps look very familiar. I did a search on relief shading a while back and saw some fantastic results. Unfortunately I havent had the time to sit down and get my teeth into it. I note many use Photoshop. I started graphics in Corel Draw then needed AI for something and opted to buy only AI - was offered the package deal including Photoshop at good price but turned it down - one of my laments in life. I have Photoshop Elements 4 but not sure that would give me similar results? As said I am very new to this side of things, but this site offers so much.
regards Richard

#5
Matthew Hampton

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Welcome Richard!

I have a question related to shaded relief - that I always wanted to ask someone who lives dep in the Southern hemisphere. Do you folks mostly interpret shaded relief with a light source in the NW (as is typical) leaving shadows in the East and SE - or do you have light coming from the SE?

I don't think this is the same type of question as which way the water circulates when you flush the toilet - but thought you might perceive elevation differently south of the equator.

co-cartographic creator of boringmaps.com


#6
ELeFevre

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Welcome to the forum Richard.



#7
Richard

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Welcome Richard!

I have a question related to shaded relief - that I always wanted to ask someone who lives dep in the Southern hemisphere. Do you folks mostly interpret shaded relief with a light source in the NW (as is typical) leaving shadows in the East and SE - or do you have light coming from the SE?

I don't think this is the same type of question as which way the water circulates when you flush the toilet - but thought you might perceive elevation differently south of the equator.

I checked with our photogrammetry/ mapmakers in Tas Government - this is their reply
'Yes, ?on our maps depicting shaded relief the light source is always in the NW'
regards Richard

#8
Derek Tonn

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Welcome Richard!

CartoTalk has been a WONDERFUL resource for me over the past several months....and I hope you find it to be of as much value as I have. B)
Derek Tonn
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#9
Richard

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Thanks for all the warm welcome and yes I can see it is an excellent resource of information.
regards Richard

#10
frax

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I have a question related to shaded relief - that I always wanted to ask someone who lives dep in the Southern hemisphere. Do you folks mostly interpret shaded relief with a light source in the NW (as is typical) leaving shadows in the East and SE - or do you have light coming from the SE?


But they do hold their maps upside down, since it is on down-side of the globe.

I have seen it here: http://flourish.org/upsidedownmap/

:)
Hugo Ahlenius
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#11
Richard

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[/quote]

But they do hold their maps upside down, since it is on down-side of the globe.

I have seen it here: http://flourish.org/upsidedownmap/

:)
[/quote]
whoa back there - not 'they', but 'some'. Thats interesting though - I'm always amused when I give a plan to someone and tell them it 'sits this way up' and they look at it, turn it 90 degrees, then 270 and so on till they get totally confused. I was once asked to make a map of our town for the local visitor centre and they wanted it drawn so the people behind the counter could look at it and give directions to those asking the questions. Ie it was upside down, with north pointing down the page. It 'had to be drawn that way' and despite my words of advice the customer got what they asked for. The poor visitors must have left the centre convinced of their destination, taken the map and re-oriented it so they could read the writing and you can guess the rest. :rolleyes: The second batch was conventional much to everyones relief.
So yes we Aussies have our share of quirks.
Regards Richard

#12
Dennis McClendon

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In the Southern Hemisphere, light at least comes from the northwest in the afternoon. It's rather bizarre to have this as the convention north of the Equator, where shading of this type (with a 45-degree sun angle) can never actually occur.
Dennis McClendon, Chicago CartoGraphics
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#13
frax

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You know you are a map nerd, when you discuss the shading conventions with other people that under stand what you are yapping about... :)
Hugo Ahlenius
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#14
MapMedia

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In the Southern Hemisphere, light at least comes from the northwest in the afternoon. It's rather bizarre to have this as the convention north of the Equator, where shading of this type (with a 45-degree sun angle) can never actually occur.


This is easy to fix, just swivel the north arrow so the map reads that the sun is in the SE at 45 degrees and say "good morning!"


Welcome Richard!




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