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====== ArmA 3 L3DT ======

[[tools:l3dt|L3DT]]

**ArmA 3 L3DT** page assumes you have read [[arma2:terrain:l3dt|ArmA 2 L3DT]] page as base knowledge, if you haven't done so then don't be surprised to find some out of context info below.

L3DT is great terrain heightmap and satellite texture / mask generator.

This page is created with info collected from **L3DT Professional v16.05 64bit** 90 day trial serial. And info from arma terrain community guys of course.


====== Satellite Texture / Mask ======

Header moved to [[tools:l3dt:satellite-resolution|Satellite Resolution]].


====== Sapphire Texture Map ======

Header moved to [[tools:l3dt:sapphire-texture-map|Sapphire Texture Map]].


====== Generating Time / RAM ======

Header moved to [[tools:l3dt:generating-time-cpu-ram|Generating Time CPU RAM]].


====== Heightmap into Design Map ======

Header moved to [[tools:l3dt:heightmap-into-design-map|Heightmap Into Design Map]].


====== Design Your Terrain ======

Header moved to [[tools:l3dt:design-your-terrain|Design Your Terrain]].


====== Climate Materials ======

Header moved to [[tools:l3dt:climate-materials|Climate Materials]].


====== Create ArmA 3 Climate ======

**Quick Overview**

Lets make a new L3DT climate using arma3 textures. We use sand, grass and rock textures and copy existing L3DT demo climate to our template, as to keep it simple for this tutorial.

**Prepare ArmA 3 Satellite Textures**

These are called L3DT materials or "seed" textures, more of this below.

Lets start.

Go to p:\a3\map_data\ and you see lot of gtd_*.paa files, these are **g**round **d**etail **t**extures. Open gdt_grass_green_co.paa with texview2 and save it as .tga format, save it to some temporary directory away from p:\a3\map_data\ dir. Do the same for gdt_rock_co.paa and gdt_beach_co.paa textures.

These textures are not very good sources for L3DT satellite seeds, but they'll do for this tutorial.

Open these .tga texures in photoshop / gimp, resize down to 512 x 512 resolution and save as PNG format.

Name the textures as following:\\
gdt_grass_green_co.tga to PMC_grass.png\\
gdt_rock_co.tga to PMC_rock.png\\
gdt_beach_co.tga to PMC_sand.png

These gdt textures as name says are ground detail textures and are not suited for satellite texture use, gdt are looked at 1m altitude where satellite texture is from 100m and above, there is huge difference on the texture "features" or details between these two types.

If you have lot of small feature / details in these L3DT material / seed images they make crappy looking satellite. You'll see when you experiment with textures and most likely will be surprised how featureless they have to be.

Please note that when we resized 2048 res arma3 gdt textures into 512 res L3DT materials, they.. may or may not look good at all. You should use your mad artistic skillz and grab / create some proper 100m altitude satellite images for these L3DT material / seed textures. I believe the gdt_grass_green_co especially looks like crap, but it doesnt matter in this tutorial, later you can experiment with some proper textures.

**Create New Climate**

Open L3DT, use resources -> climates -> climate manager. Select "Demo-grass-rock-sand" and click Copy button.

Write in climate name "PMC Grass Rock Sand".

Use browse "..." button in file name field, it opens file/dir browser for "C:\Users\<USERNAME>\L3DT\resources\Pro 16.05.3.1 x64\Climates\" directory on the L3DT v16.01 pro 90 day trial version, yours may differ and it will when new versions are released. Point is we are looking at "Climates" directory.

Now create a new directory here, RMB click the empty browser area and type in "PMC_Grass_Rock_Sand" and hit enter to create this directory. Then browse into this directory and adjust the suggested file name "PMC Grass Rock Sand.cli.xml" to be without spaces, like "PMC_Grass_Rock_Sand.cli.xml" and save.

Now you're back in Climate Editor dialog, next add your name / nick / alias to author name field. This doesnt really matter but hey if you're making a new climate why not tag it with your name so if you happen to share this with your friends they see your name there. Note; this doesnt mean you have to use your real name, unless for some odd reason you actually want to.

Leave Climate Editor dialog open and move the three PNG textures we created earlier to Climates\PMC_Grass_Rock_Sand\ directory.

Back to climate editor dialog, double LMB click "1: Grass" to open Land Type Editor.

**Create New Materials**

Click manager button to open material manager dialog. Double click << new material >> to open material editor.

Give it name "PMC_grass", use file "..." to browse into Climates\PMC_Grass_Rock_Sand\ directory and type in file name "PMC_grass.mat.xml", click save.

On texture/bump-map layers part double LMB click << new texture layer >> to open layer editor.

For file name use "..." to browse into Climates\PMC_Grass_Rock_Sand\ and choose PMC_grass.png texture. Tick "Relative to TX/HF" and click OK.

In material editor click OK to close.

Now you are back in material manager. Repeat the exact same steps for PMC_rock and PMC_sand, you should be able to do it :)

Okay now you have created two more materials, so in material manager list you have "PMC_grass", "PMC_rock" and "PMC_sand" which should be on the bottom of the list (but it doesnt matter). Click OK to close material manager.

Now you should be back in "Land Type Editor - Grass" and material name suggests "std_grass", ugh STD? :x

Use the drop down manu to choose PMC_grass instead, we dont want no STD's ;)

Click OK to exit land type editor for "grass" and then repeat the same steps for "2: Rock" and "3: Sand" using, you guessed it, PMC_Rock and PMC_Sand materials.

Now you should be back in Climate Editor dialog.

If you want, you can use Author's notes button and type in some description like "PMC really basic arma3 climate" but this is optional.

Click OK to close climate editor, your new climate is ready to use! :)

**Important New Climate Info**

We created a new directory for our climate. We stored new materials in this directory. What does this new directory achieve? Well if you want to share this new great climate of yours with your friends and community, all you have to do is to 7zip pack "PMC_Grass_Rock_Sand\" directory and you are set.

You could use existing materials from other directories, but then your climate is hardcoded to these directories and if you share the climate then anyone using it has to have the materials which your climate is referring to. Kind of like required addons in arma3 in fact.

So please, when making a new climate:\\
  * create new directory (no spaces/special characters)
  * create new materials into your climate directory
  * add your author name and possible notes to describe what climate it is and who made it


====== ImageMagick 40960 Montage ======

When you create mosaic tiles of your attribute and texture maps, then use [[arma2:texturing:imagemagick|Imagemagick]] to stitch them together into large satellite, you'll see it takes a lot of time and basically hoggs your computer to a halt while doing so.

When we used imagemagick v7.0.4-1 on Intel Core i7 4790K 4GHz, 16GB Crucial Ballistix Sport DDR3-1600 DIMM CL9-9-9-24, it took total of **2h 52min** to stitch 40960 x 40960 satellite together from 10 x 10 mosaic pieces.


====== Ocean Bottoms ======

Header moved to [[tools:l3dt:heightmap-ocean-bottom|Heightmap Ocean Bottom]].


====== Mask to Texture ======

Header moved to [[tools:l3dt:mask-to-texture|Mask to Texture]].


====== Sapphire Teleport ======

Header moved to [[tools:l3dt:sapphire-teleport|Sapphire Teleport]].


====== Sapphire Performance ======

Header moved to [[tools:l3dt:sapphire-performance|Sapphire Performance]].


====== Settings ======

Header moved to [[tools:l3dt:settings|Settings]].
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