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Author Topic: Ya! A topo map.  (Read 2193 times)

erik.the.awful

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Ya! A topo map.
« on: January 13, 2009, 02:28:02 PM »
 :D :D :D :D :D

After much fiddling around I got it to process and display my first test quad. Now I have one small problem that should be easy to fix. It is only showing contours and NHD data at lowest zoom levels, while showing everything at higher levels, how do I get POI, Roads, land use, etc to extend down to the lower levels ???

Also it should be noted that generalize didn't cause my contours or water data to get off but did make the roads have some accuracy problems. I guess I will recompile the transport and trails separately and only generalize the DEM and NHD data.

-Oz-

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Re: Ya! A topo map.
« Reply #1 on: January 13, 2009, 11:00:18 PM »
Are you using the dictionary header?

this is the part for points:
Code: [Select]
; 01-11   Cities/towns
; 59      Airports
; 64      Manmade features (Cemeteris, mines, dams, etc.)
; 65      Water features (Falls, etc.)
; 66      Land features (summits, etc.)
;
;           0              1               2               3               4               5               6               7
;           123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0
Level0RGN10=1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
Level1RGN10=1111111111111111100000000000000000000000000000000000000000000000000000000000000000000000100000000001010000000000
Level2RGN10=1111111111111111100000000000000000000000000000000000000000000000000000000000000000000000100000000000010000000000
Level3RGN10=0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000
;
;           0              1               2               3               4               5               6               7
;           123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0
Level0RGN20=1111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111111
Level1RGN20=1111111111111111100000000000000000000000000000000000000000000000000000000000000000000000100000000001010000000000
Level2RGN20=1111111111111111100000000000000000000000000000000000000000000000000000000000000000000000100000000000010000000000
Level3RGN20=0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

As seen above if all of level0 is 1 then it'll show all of it at the lowest zoom level, if level1 is a 1 then it'll show that item at the next zoom up; this carries on.
Dan Blomberg
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