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feat: add hot-oam internal mask file #25

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Merged
gadomski merged 4 commits into from
Feb 5, 2026
Merged

feat: add hot-oam internal mask file #25

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2984825
feat: add hot-oam internal mask file
gadomski Feb 5, 2026
567460d
fix: reduce file size
gadomski Feb 5, 2026
6070b3e
fix: re-generate info
gadomski Feb 5, 2026
a64e3c2
fix: cog
gadomski Feb 5, 2026
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19 changes: 19 additions & 0 deletions real_data/hot-oam/68077a72c46a9912474701ef.md
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Original file line number Diff line number Diff line change
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# Humanitarian OpenStreetMap Team Open Aerial Map (HOT-OAM)

Highlights:

- Internal mask mask

## Data creation

From

```
https://oin-hotosm-temp.s3.us-east-1.amazonaws.com/68077a72c46a9912474701ee/0/68077a72c46a9912474701ef.tif
```

Cropped with:

```shell
pixi run rio clip "https://oin-hotosm-temp.s3.us-east-1.amazonaws.com/68077a72c46a9912474701ee/0/68077a72c46a9912474701ef.tif" real_data/hot-oam/68077a72c46a9912474701ef.tif --bounds "246690 4309980 246740 4310030" -f COG
```
Binary file added real_data/hot-oam/68077a72c46a9912474701ef.tif
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@kylebarron kylebarron Feb 5, 2026

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What do you think is the maximum file size we should permit in this repo? The entire repo will be cloned every time a downstream repo runs tests. So far I've been trying to have file sizes in the range of up to 250kb

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@gadomski gadomski Feb 5, 2026

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250kb seems reasonable to me, I can do a crop on the source image to get it below that size.

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@gadomski gadomski Feb 5, 2026

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$ ls -alsh real_data/hot-oam/68077a72c46a9912474701ef*
  8 -rw-r--r--@ 1 gadomski  staff   2.1K Feb  5 07:44 real_data/hot-oam/68077a72c46a9912474701ef_info.md
  8 -rw-r--r--@ 1 gadomski  staff   479B Feb  5 07:46 real_data/hot-oam/68077a72c46a9912474701ef.md
456 -rw-r--r--@ 1 gadomski  staff   171K Feb  5 07:46 real_data/hot-oam/68077a72c46a9912474701ef.tif

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56 changes: 56 additions & 0 deletions real_data/hot-oam/68077a72c46a9912474701ef_info.md
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```
Driver: GTiff
File: real_data/hot-oam/68077a72c46a9912474701ef.tif
COG: True
Compression: JPEG
ColorSpace: YCbCr
Profile
Width: 999
Height: 1000
Bands: 3
Tiled: True
Dtype: uint8
NoData: None
Alpha Band: False
Internal Mask: True
Interleave: PIXEL
ColorMap: False
ColorInterp: ('red', 'green', 'blue')
Scales: (1.0, 1.0, 1.0)
Offsets: (0.0, 0.0, 0.0)
Geo
Crs: EPSG:32613
Origin: (246690.03449931872, 4310030.042218)
Resolution: (0.04999742109334269, -0.050000000000180796)
BoundingBox: (246690.03449931872, 4309980.042218, 246739.98192299096, 4310030.042218)
MinZoom: 18
MaxZoom: 21
Image Metadata
AREA_OR_POINT: Area
Image Structure
LAYOUT: COG
SOURCE_COLOR_SPACE: YCbCr
COMPRESSION: YCbCr JPEG
INTERLEAVE: PIXEL
OVERVIEW_RESAMPLING: CUBIC
JPEG_QUALITY: 75
JPEGTABLESMODE: 1
Band 1
ColorInterp: red
Band 2
ColorInterp: green
Band 3
ColorInterp: blue
IFD
Id Size BlockSize Decimation
0 999x1000 512x512 0
1 499x500 512x512 2
```
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