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| == Introduction == | | == Introduction == |
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| == Get and edit the data ==
| | == Download Data == |
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| <youtube>Lgc4YXRElh8</youtube>
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| === Download Data ===
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| Download data from https://www.maanmittauslaitos.fi/ . The Licence is Maanmittauslaitoksen avoimien aineistojen CC 4.0 -lisenssi. There can be found | | Download data from https://www.maanmittauslaitos.fi/ . The Licence is Maanmittauslaitoksen avoimien aineistojen CC 4.0 -lisenssi. There can be found |
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| * Height model | | * Height model |
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| == GIMP: Make a larger image == | | === GIMP: Make a larger image === |
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| Change the Canvas size of each three downloaded image | | Change the Canvas size of each three downloaded image |
| * Image → Canvas Size. Height to 2x. | | * Image → Canvas Size. Height to 2x. |
| Superpose the images: make it larger. | | Superpose the images: make it larger. |
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| == Python: Adjust the scale of the 3d map == | | === Python: Adjust the scale of 3d map === |
| Load the image, concatenate and scale it. Then save. <syntaxhighlight lang="python3">
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| import rasterio
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| import numpy as np
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| from PIL import Image
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| names = ['Q4121F.tif', 'Q4122E.tif']
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| imgs = []
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| for n in names:
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| imgs.append(rasterio.open(n))
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| image = imgs[0].read(1)
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| print( np.shape(image) )
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| for img in imgs[1:]:
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| tmp = img.read(1)
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| image = np.concatenate( (tmp, image ), 0)
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| print( np.shape(image) )
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| print( image.max() )
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| print( image.min() )
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| image = 256*(image-image.min())/(image.max()-image.min())
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| im = Image.fromarray( image )
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| im = im.convert("L")
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| im.save( "heightModel1.png" )
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| </syntaxhighlight>Easy, fast.
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| == GIMP ==
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| Superpose the images and crop to correct size.
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| == Blender == | |
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| <youtube>RMX4xWUAAk4</youtube>
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| * Add (the earth) plane
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| * Change the size
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| * Image Texture
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| * Add some light to the World
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| * Make 3d plane (earth)
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| ** Modifier → Displacement
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| ** Texture → heightmodel.png
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| ** Edit mode → subdivide
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| ** Object → Shade smooth
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| ** Modifier → Subdivide
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| * Render F12
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| * Make the Glass cube
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| ** Move, rotate, scale. Use N
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| ** Modifier → Bevel
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| ** Material → Glass BSDF. Roughness
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| * Render Engine → Cycles
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| * Add → Sun
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| * Make the animation
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| ** Add → Path
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| ** Edit mode: E extrude uudet pisteet
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| ** Move the camera
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| ** Add object constraint: Follow Path. Offset. I
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| * Turn the camera
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| ** Add → Empty Cube: Camera Follow Spot
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| ** Add Object Constraint: Tracking, Track To
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| ** Animation & Graph Editor
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| * Make the smoke
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| ** Shift D Duplikoi. Skaalaa, siirrä
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| ** Object → Quick effect → Smoke
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| ** Cube Glass Smoke → Uncheck Flow
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| ** Smoke Domain → Buoyancy density
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| * Animate
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| * Add → Light → Spot. Power 5000 W
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| * The Fog
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| ** Add → Mesh → Cube
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| ** Material → Surface → Disconnect
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| ** Volume → Scatter. Density 0.002
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| * Mix the map and photo
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| ** Shader Editor. Mix & Factor.
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