Mapdev:height - Revision history

Flozi: 1cat

2013-03-20T20:13:23Z

1cat

← Older revision		Revision as of 21:13, 20 March 2013
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	* various other [http://vterrain.org/LOD/Implementations/ implementations] of LOD terrain		* various other [http://vterrain.org/LOD/Implementations/ implementations] of LOD terrain

	[[Category:~~Mapdev]]~~		[[Category:Map Dev]]
	~~[[Category:Development~~]]

Enetheru: /* Image File */ used image template styling

2013-01-06T13:44:32Z

Image File: used image template styling

← Older revision		Revision as of 14:44, 6 January 2013
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	== Image File ==		== Image File ==
	* The height map is an intermediary file compiled into the SMF/SMT files using [[MapConv]] or [[MapConvNG]].		{\| class="wikitable" width="100%"
	* 8 or 16 bpp Greyscale		! width="15%" \| File Location
	<center>		\| The height map is an intermediary file compiled into the SMF/SMT files using [[MapConv]] or [[MapConvNG]].
			\|-
			! File Format
			\| Any that the Mapconv programs support
			\|-
			! Colour Depth
			\| 16bpp recommended, however 8bpp will work.
			\|-
			! Channels
			\| Greyscale
			\|-
			! Resolution
			\|<center>
	{\| class="wikitable" style="text-align: center;"		{\| class="wikitable" style="text-align: center;"
	! Spring Map Size<sup>*</sup>		! Spring Map Size<sup>*</sup>
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	\|-		\|-
	\| style="text-align: left;font-style:italic" colspan=2 \| * must be multiples of 2		\| style="text-align: left;font-style:italic" colspan=2 \| * must be multiples of 2
	\|}</center>		\|}</center>
			\|}

	=== 8 vs 16 bpp ===		=== 8 vs 16 bpp ===

Enetheru: added link to water.

2012-12-28T05:58:27Z

added link to water.

← Older revision		Revision as of 06:58, 28 December 2012
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	= Specification =		= Specification =
	== mapinfo.lua ==		== mapinfo.lua ==
			* [[Mapdev:mapinfo.lua]]
	<code><pre>local mapinfo = {		<code><pre>local mapinfo = {
	...		...
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	...		...
	}</pre></code>		}</pre></code>
			=== minHeight and maxHeight ===
	Any values below zero are underwater, see [[Mapdev:water]]		Any values below zero are underwater, see [[Mapdev:water]]

Enetheru: /* mapinfo.lua */ added line about water.

2012-12-28T05:55:42Z

mapinfo.lua: added line about water.

← Older revision		Revision as of 06:55, 28 December 2012
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	= Specification =		= Specification =
	== mapinfo.lua ==		== mapinfo.lua ==
	~~The relevant sections of the mapinfo.lua file that effect the height of the ground are in the [[Map_Making:mapinfo.lua#smf\|SMF]] subtable~~
	<code><pre>local mapinfo = {		<code><pre>local mapinfo = {
	...		...
Line 20:		Line 19:
	...		...
	}</pre></code>		}</pre></code>
			Any values below zero are underwater, see [[Mapdev:water]]

	== Image File ==		== Image File ==

Enetheru: cleaned up a little.

2012-12-28T05:20:30Z

cleaned up a little.

← Older revision		Revision as of 06:20, 28 December 2012
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	! Example Height Map !! Ingame Result		! Example Height Map !! Ingame Result
	\|}</center>		\|}</center>
	== Specification ==		= Specification =
	=== mapinfo.lua ===		== mapinfo.lua ==
	The relevant sections of the mapinfo.lua file that effect the height of the ground are in the [[Map_Making:mapinfo.lua#smf\|SMF]] subtable		The relevant sections of the mapinfo.lua file that effect the height of the ground are in the [[Map_Making:mapinfo.lua#smf\|SMF]] subtable
	<code><pre>local mapinfo = {		<code><pre>local mapinfo = {
Line 21:		Line 21:
	}</pre></code>		}</pre></code>

	=== Image File ===		== Image File ==
	* The height map is an intermediary file compiled into the SMF/SMT files using [[MapConv]] or [[MapConvNG]].		* The height map is an intermediary file compiled into the SMF/SMT files using [[MapConv]] or [[MapConvNG]].
	* 8 or 16 bpp Greyscale		* 8 or 16 bpp Greyscale
			<center>
	{\| class="wikitable" style="text-align: center;"		{\| class="wikitable" style="text-align: center;"
	! Spring Map Size<sup>*</sup>		! Spring Map Size<sup>*</sup>
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	\|-		\|-
	\| style="text-align: left;font-style:italic" colspan=2 \| * must be multiples of 2		\| style="text-align: left;font-style:italic" colspan=2 \| * must be multiples of 2
	\|}		\|}</center>

	==== 8 vs 16 bpp ====		=== 8 vs 16 bpp ===
	These two images show the differences in prescision that the bit depth of the image makes. The effect has been exaggerated here for clarity.		These two images show the differences in prescision that the bit depth of the image makes. The effect has been exaggerated here for clarity.
	<center>		<center>
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	</center>		</center>

	~~* must be multiples of 2~~		=== +1 pixel ===
	==== +1 pixel ====
	When each pixel represents a vertex you need one extra pixel than the number of quads you are attempting to represent		When each pixel represents a vertex you need one extra pixel than the number of quads you are attempting to represent

			<center>
	{\| class="wikitable" style="text-align: center;"		{\| class="wikitable" style="text-align: center;"
	\|[[File:Height_texture_map_vertex_example.png\|~~256px~~\|Example]]		\|+ Representation
	\|-		\|[[File:Height_texture_map_vertex_example.png\|384px\|Example]]
	~~! Example~~		\|}</center>
	\|}

	== Additional Information ==		= Additional Information =
	=== ROAM terrain engine ===		== ROAM terrain engine ==
	* Official ROAM [http://www.cognigraph.com/ROAM_homepage/ page]		* Official ROAM [http://www.cognigraph.com/ROAM_homepage/ page]
	* Gamasutra has a nice [http://www.gamasutra.com/view/feature/3188/realtime_dynamic_level_of_detail_.php article] on ROAM		* Gamasutra has a nice [http://www.gamasutra.com/view/feature/3188/realtime_dynamic_level_of_detail_.php article] on ROAM

Enetheru: added image location info.

2012-12-21T01:08:45Z

added image location info.

← Older revision		Revision as of 02:08, 21 December 2012
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	= Height =		= Height =
	The height of the terrain is generally defined with a greyscale displacement map with black representing the lowest point on the terrain and white the highest~~. The height map is an intermediary file compiled into the SMF file using [[MapConv]] or [[MapConvNG]]~~. The height of the terrain can also be modified in game via lua scripting.		The height of the terrain is generally defined with a greyscale displacement map with black representing the lowest point on the terrain and white the highest. The height of the terrain can also be modified in game via lua scripting.
	<center>		<center>
	{\| class="wikitable"		{\| class="wikitable"
Line 22:		Line 22:

	=== Image File ===		=== Image File ===
			* The height map is an intermediary file compiled into the SMF/SMT files using [[MapConv]] or [[MapConvNG]].
	* 8 or 16 bpp Greyscale		* 8 or 16 bpp Greyscale
	{\| class="wikitable" style="text-align: center;"		{\| class="wikitable" style="text-align: center;"

Enetheru: added images.

2012-12-19T03:29:03Z

added images.

← Older revision		Revision as of 04:29, 19 December 2012
Line 1:		Line 1:
	= Height =		= Height =
	The height of the terrain is generally defined with a greyscale displacement map with black representing the lowest point on the terrain and white the highest. The height map is an intermediary file compiled into the SMF file using [[MapConv]] or [[MapConvNG]]. The height of the terrain can also be modified in game via lua scripting.		The height of the terrain is generally defined with a greyscale displacement map with black representing the lowest point on the terrain and white the highest. The height map is an intermediary file compiled into the SMF file using [[MapConv]] or [[MapConvNG]]. The height of the terrain can also be modified in game via lua scripting.
	{\| class="wikitable" ~~style="text~~-~~align: center;" width="100%"~~		<center>
	\| \|\|		{\| class="wikitable"
			\|+ Example
			\| [[File:Mapdev-height.png\|256px]] \|\| [[File:Mapdev-height-example.png]]
	\|-		\|-
	! Example Height Map		! Example Height Map !! Ingame Result
	! ~~In Game~~ Result		\|}</center>
	\|}
	== Specification ==		== Specification ==
	=== mapinfo.lua ===		=== mapinfo.lua ===

Enetheru: /* Image File */ minor formatting.

2012-12-18T04:31:27Z

Image File: minor formatting.

← Older revision		Revision as of 05:31, 18 December 2012
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	\| 32		\| 32
	\| 2049		\| 2049
			\|-
			\| style="text-align: left;font-style:italic" colspan=2 \| * must be multiples of 2
	\|}		\|}

Enetheru: slight modification

2012-12-17T01:41:38Z

slight modification

← Older revision		Revision as of 02:41, 17 December 2012
Line 1:		Line 1:
	= Height =		= Height =
	The height of the terrain is generally defined with a greyscale displacement map with black representing the lowest point on the terrain and white the highest. the height can also be modified in game via lua scripting.		The height of the terrain is generally defined with a greyscale displacement map with black representing the lowest point on the terrain and white the highest. The height map is an intermediary file compiled into the SMF file using [[MapConv]] or [[MapConvNG]]. The height of the terrain can also be modified in game via lua scripting.
	{\| class="wikitable" style="text-align: center;" width="100%"		{\| class="wikitable" style="text-align: center;" width="100%"
	\| \|\|		\| \|\|

Enetheru: created, etc.

2012-12-15T01:02:32Z

created, etc.

New page

= Height =
The height of the terrain is generally defined with a greyscale displacement map with black representing the lowest point on the terrain and white the highest. the height can also be modified in game via lua scripting.
{| class="wikitable" style="text-align: center;" width="100%"
| ||
|-
! Example Height Map
! In Game Result
|}
== Specification ==
=== mapinfo.lua ===
The relevant sections of the mapinfo.lua file that effect the height of the ground are in the [[Map_Making:mapinfo.lua#smf|SMF]] subtable
<code><pre>local mapinfo = {
...
smf = {
minHeight = 1000,
maxHeight = -300,
...
},
...
}</pre></code>

=== Image File ===
* 8 or 16 bpp Greyscale
{| class="wikitable" style="text-align: center;"
! Spring Map Size<sup>*</sup>
! pixels = Spring Map Size * 64 + 1
|-
| 2
| 129
|-
| 4
| 257
|-
| 6
| 385
|-
| ...
| ...
|-
| 32
| 2049
|}

==== 8 vs 16 bpp ====
These two images show the differences in prescision that the bit depth of the image makes. The effect has been exaggerated here for clarity.
<center>
{| class="wikitable" style="text-align: center;"
| [[File:8bpp.png|256px]]
|[[File:16bpp.png|256px]]
|-
! 8bpp
! 16bpp
|}
</center>

* must be multiples of 2
==== +1 pixel ====
When each pixel represents a vertex you need one extra pixel than the number of quads you are attempting to represent

{| class="wikitable" style="text-align: center;"
|[[File:Height_texture_map_vertex_example.png|256px|Example]]
|-
! Example
|}

== Additional Information ==
=== ROAM terrain engine ===
* Official ROAM [http://www.cognigraph.com/ROAM_homepage/ page]
* Gamasutra has a nice [http://www.gamasutra.com/view/feature/3188/realtime_dynamic_level_of_detail_.php article] on ROAM
* various other [http://vterrain.org/LOD/Implementations/ implementations] of LOD terrain

[[Category:Mapdev]]
[[Category:Development]]