GeoNotes.io

GeoNotes.io is the open source platform for community-contributed Street View notes. Built with Next.js on Vercel and Supabase.

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Contributing

GeoNotes is open source and contributions are welcome!

Supabase

Installing the Supabase CLI.

You can easily pull the database schema down to your local project with the Supabase CLI by running the db pull command. Read the local development docs for detailed instructions.

supabase link --project-ref <project-id>
# You can get <project-id> from your project's dashboard URL: https://supabase.com/dashboard/project/<project-id>
supabase db pull

Guide to Supabase Database migrations

Sync the remote database schema to local project

# Capture any changes that you have made to your remote database
supabase db pull

# To apply the new migration to your local database:
supabase migration up

Create a local database migration

supabase migration new your_migration_name

Deploy any local database migrations

# To apply the new migration to your local database:
supabase db reset

# To apply the new migration to your remote database:
supabase db push

If a local migration says it has been applied, but isn't showing up in the remote database

On the Supabase dashboard, go to Table Editor > supabase_migrations schema > schema_migrations table. Delete the row for the migration that is not showing up. Then run supabase db push again. Note, this must be done from the SQL editor. Ex:

delete from supabase_migrations.schema_migrations where version='20231219141738'

Google Street View and Maps Notes

Street View Static API Docs

• pitch: (default is 0) specifies the pitch angle of the camera relative to the Street View vehicle. Positive values angle the camera up (with 90 degrees indicating straight up); negative values angle the camera down (with -90 indicating straight down).

Street View Panorama Docs

Ex, https://www.google.com/maps/@?api=1&map_action=pano&parameters

• heading: Indicates the compass heading of the camera in degrees clockwise from North. Accepted values are from -180 to 360 degrees. If omitted, a default heading is chosen based on the viewpoint (if specified) of the query and the actual location of the image.
• pitch: Specifies the angle, up or down, of the camera. The pitch is specified in degrees from -90 to 90. Positive values will angle the camera up, while negative values will angle the camera down. The default pitch of 0 is set based on on the position of the camera when the image was captured. Because of this, a pitch of 0 is often, but not always, horizontal. For example, an image taken on a hill will likely exhibit a default pitch that is not horizontal.
• fov: Determines the horizontal field of view of the image. The field of view is expressed in degrees, with a range of 10 - 100. It defaults to 90. When dealing with a fixed-size viewport, the field of view is considered the zoom level, with smaller numbers indicating a higher level of zoom.

Google Maps Street View link format

Ex, https://www.google.com/maps/@35.6934524,139.7344228,3a,73.9y,7.76h,85.87t/data=!3m6!1e1!3m4!1svBVErdzbPNOtYbPQAd57FA!2e0!7i16384!8i8192?entry=ttu

• @lat,lng
• h: heading, 0 = due north, 180 = due south, 359 = almost north
• t: pitch, 0 = looking down, 180 = looking up - Note, this differs from the Street View Static API, in which the value range is -90 (looking straight down) to 90 (looking straight up)
• y: fov (zoom), 90 = most zoomed out, 15 = most zoomed in
• a: unsure here...