Last active
February 27, 2019 18:30
-
-
Save peterhellberg/6fffe01a268e2b9724d2739269ecbd57 to your computer and use it in GitHub Desktop.
Carto Basemaps animation using gfx. https://carto.com/location-data-services/basemaps/
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
package main | |
import "github.com/peterhellberg/gfx" | |
const ( | |
zoomLevels = 18 | |
tileSize = 512 | |
tileFormat = "https://a.basemaps.cartocdn.com/rastertiles/voyager/%d/%d/%d@2x.png" | |
) | |
func main() { | |
pos := gfx.GP(59.270889, 18.048125) | |
a := gfx.Animation{Delay: 50, LoopCount: -1} | |
for zoom := 0; zoom < zoomLevels; zoom++ { | |
gt := pos.GeoTile(zoom) | |
src, err := gfx.GetImage(gt.Rawurl(tileFormat)) | |
if err != nil { | |
continue | |
} | |
m := gfx.NewImage(tileSize/2+tileSize, tileSize/2+tileSize) | |
c := gfx.BoundsCenter(m.Bounds()) | |
gfx.Draw(m, m.Bounds().Add(c.Pt()).Sub(pos.In(gt, tileSize).Pt()), src) | |
gfx.DrawCircleFilled(m, c, 2, gfx.ColorBlack) | |
a.AddFrame(m, append(PaletteBasemaps, gfx.ColorMagenta).AsColorPalette()) | |
} | |
a.SaveGIF("gfx-geo-tiles-carto-basemaps-animated.gif") | |
} | |
var PaletteBasemaps = gfx.Palette{ | |
{0x41, 0x5C, 0x77, 0xFF}, | |
{0x56, 0x6E, 0x85, 0xFF}, | |
{0x68, 0x7D, 0x91, 0xFF}, | |
{0x87, 0x91, 0x9D, 0xFF}, | |
{0x8B, 0x94, 0xA0, 0xFF}, | |
{0x95, 0x9F, 0xAA, 0xFF}, | |
{0x96, 0xA4, 0xB0, 0xFF}, | |
{0x9B, 0xA3, 0xAD, 0xFF}, | |
{0xA4, 0xAB, 0xB3, 0xFF}, | |
{0xAE, 0xCE, 0xD4, 0xFF}, | |
{0xB3, 0xD1, 0xD6, 0xFF}, | |
{0xB9, 0xBF, 0xC5, 0xFF}, | |
{0xBB, 0xD6, 0xDB, 0xFF}, | |
{0xBC, 0xD4, 0xD5, 0xFF}, | |
{0xBE, 0xC3, 0xC8, 0xFF}, | |
{0xC0, 0xDB, 0xE0, 0xFF}, | |
{0xC2, 0xC9, 0xCE, 0xFF}, | |
{0xC3, 0xDC, 0xE1, 0xFF}, | |
{0xC6, 0xDE, 0xE2, 0xFF}, | |
{0xC8, 0xE0, 0xE4, 0xFF}, | |
{0xC9, 0xD6, 0xC9, 0xFF}, | |
{0xCB, 0xE0, 0xE3, 0xFF}, | |
{0xCB, 0xE1, 0xE5, 0xFF}, | |
{0xCD, 0xCC, 0xCA, 0xFF}, | |
{0xCE, 0xE3, 0xE6, 0xFF}, | |
{0xD1, 0xE5, 0xE9, 0xFF}, | |
{0xD3, 0xE6, 0xEA, 0xFF}, | |
{0xD5, 0xE3, 0xD7, 0xFF}, | |
{0xD5, 0xE8, 0xEB, 0xFF}, | |
{0xD7, 0xD8, 0xD9, 0xFF}, | |
{0xD9, 0xE7, 0xCE, 0xFF}, | |
{0xDA, 0xE8, 0xCF, 0xFF}, | |
{0xDC, 0xE9, 0xDB, 0xFF}, | |
{0xDD, 0xE0, 0xE0, 0xFF}, | |
{0xDF, 0xDE, 0xDD, 0xFF}, | |
{0xE1, 0xC7, 0xC9, 0xFF}, | |
{0xE1, 0xE0, 0xDF, 0xFF}, | |
{0xE2, 0xEB, 0xEB, 0xFF}, | |
{0xE2, 0xED, 0xD8, 0xFF}, | |
{0xE3, 0xE1, 0xDA, 0xFF}, | |
{0xE3, 0xE2, 0xE0, 0xFF}, | |
{0xE3, 0xE5, 0xE4, 0xFF}, | |
{0xE3, 0xEC, 0xD9, 0xFF}, | |
{0xE4, 0xDC, 0xD1, 0xFF}, | |
{0xE4, 0xE3, 0xE0, 0xFF}, | |
{0xE5, 0xDB, 0xC7, 0xFF}, | |
{0xE5, 0xEE, 0xDB, 0xFF}, | |
{0xE5, 0xEE, 0xED, 0xFF}, | |
{0xE6, 0xE5, 0xE1, 0xFF}, | |
{0xE6, 0xEF, 0xDD, 0xFF}, | |
{0xE7, 0xDA, 0xC8, 0xFF}, | |
{0xE7, 0xDB, 0xCA, 0xFF}, | |
{0xE7, 0xE0, 0xD5, 0xFF}, | |
{0xE8, 0xDB, 0xB8, 0xFF}, | |
{0xE8, 0xF0, 0xDD, 0xFF}, | |
{0xE9, 0xD6, 0xD6, 0xFF}, | |
{0xE9, 0xE9, 0xE9, 0xFF}, | |
{0xE9, 0xF0, 0xDF, 0xFF}, | |
{0xEA, 0xD5, 0xD7, 0xFF}, | |
{0xEA, 0xE2, 0xD6, 0xFF}, | |
{0xEA, 0xE4, 0xDF, 0xFF}, | |
{0xEB, 0xDD, 0xC9, 0xFF}, | |
{0xEB, 0xE4, 0xDA, 0xFF}, | |
{0xEB, 0xEB, 0xE8, 0xFF}, | |
{0xEC, 0xE2, 0xDD, 0xFF}, | |
{0xEC, 0xF1, 0xEE, 0xFF}, | |
{0xED, 0xE7, 0xDD, 0xFF}, | |
{0xED, 0xF2, 0xE4, 0xFF}, | |
{0xEE, 0xDD, 0xDE, 0xFF}, | |
{0xEE, 0xE1, 0xCE, 0xFF}, | |
{0xEE, 0xE5, 0xE3, 0xFF}, | |
{0xEE, 0xE9, 0xCE, 0xFF}, | |
{0xEE, 0xEE, 0xEC, 0xFF}, | |
{0xEE, 0xF2, 0xF1, 0xFF}, | |
{0xEF, 0xEA, 0xE0, 0xFF}, | |
{0xEF, 0xEE, 0xEA, 0xFF}, | |
{0xF0, 0xEE, 0xE7, 0xFF}, | |
{0xF1, 0xE6, 0xD6, 0xFF}, | |
{0xF1, 0xEE, 0xE3, 0xFF}, | |
{0xF1, 0xF2, 0xEE, 0xFF}, | |
{0xF2, 0xE6, 0xE5, 0xFF}, | |
{0xF2, 0xE9, 0xDA, 0xFF}, | |
{0xF2, 0xF0, 0xEA, 0xFF}, | |
{0xF2, 0xF5, 0xF8, 0xFF}, | |
{0xF3, 0xF6, 0xED, 0xFF}, | |
{0xF4, 0xEB, 0xD4, 0xFF}, | |
{0xF4, 0xEC, 0xE0, 0xFF}, | |
{0xF4, 0xF2, 0xEE, 0xFF}, | |
{0xF5, 0xED, 0xE3, 0xFF}, | |
{0xF5, 0xF3, 0xF0, 0xFF}, | |
{0xF5, 0xF5, 0xF2, 0xFF}, | |
{0xF6, 0xEF, 0xE5, 0xFF}, | |
{0xF6, 0xF0, 0xE5, 0xFF}, | |
{0xF6, 0xF4, 0xEB, 0xFF}, | |
{0xF6, 0xF6, 0xF5, 0xFF}, | |
{0xF7, 0xF1, 0xE7, 0xFF}, | |
{0xF8, 0xDD, 0xAA, 0xFF}, | |
{0xF8, 0xF2, 0xEE, 0xFF}, | |
{0xF8, 0xF4, 0xEB, 0xFF}, | |
{0xF9, 0xE0, 0xAF, 0xFF}, | |
{0xF9, 0xE6, 0xC3, 0xFF}, | |
{0xF9, 0xF6, 0xEE, 0xFF}, | |
{0xF9, 0xF6, 0xEF, 0xFF}, | |
{0xFA, 0xDC, 0x9E, 0xFF}, | |
{0xFA, 0xDD, 0xA1, 0xFF}, | |
{0xFA, 0xE4, 0xBC, 0xFF}, | |
{0xFA, 0xE7, 0xC0, 0xFF}, | |
{0xFB, 0xED, 0xD2, 0xFF}, | |
{0xFB, 0xEE, 0xD5, 0xFF}, | |
{0xFB, 0xF8, 0xF3, 0xFF}, | |
{0xFC, 0xE1, 0xA4, 0xFF}, | |
{0xFC, 0xF2, 0xE3, 0xFF}, | |
{0xFC, 0xFA, 0xF6, 0xFF}, | |
{0xFD, 0xEB, 0xCE, 0xFF}, | |
{0xFD, 0xEC, 0xD0, 0xFF}, | |
{0xFD, 0xEF, 0xD6, 0xFF}, | |
{0xFD, 0xFB, 0xF6, 0xFF}, | |
{0xFE, 0xE8, 0xA9, 0xFF}, | |
{0xFE, 0xF8, 0xED, 0xFF}, | |
{0xFE, 0xF9, 0xEF, 0xFF}, | |
{0xFE, 0xFC, 0xDA, 0xFF}, | |
{0xFF, 0xE8, 0xB7, 0xFF}, | |
{0xFF, 0xFF, 0xFE, 0xFF}, | |
} |
Author
peterhellberg
commented
Feb 27, 2019
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment