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maxzoom, minzoom, scheme #38

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merged 4 commits into from
May 8, 2018
Merged

maxzoom, minzoom, scheme #38

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c34c7ee
zooms and scheme
May 2, 2018
06b66c5
Add default value info and minzoom MUST value
May 2, 2018
65d212d
clean up
May 3, 2018
25bb665
Merge branch '3.0' into 3.0-zoom-scheme
May 8, 2018
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35 changes: 34 additions & 1 deletion 3.0/README.md
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Expand Up @@ -35,7 +35,7 @@ TileJSON manifest files use the JSON format as described in [RFC 4627](https://w

# 3. Structure

Implementations MUST treat unknown keys as if they weren't present. However, implementations MUST expose unknown key/values in their API so that API users can optionally handle these keys. Implementations MUST treat invalid values for keys as if they weren't present. If the key is required, implementations MUST treat the entire TileJSON manifest file as invalid and refuse operation.
Implementations MUST treat unknown keys as if they weren't present. However, implementations MUST expose unknown key/values in their API so that API users can optionally handle these keys. Implementations MUST treat invalid values for keys as if they weren’t present. If the the field is an optional field and the value is invalid, the default value MAY be applied. If the key is required, implementations MUST treat the entire TileJSON manifest file as invalid and refuse operation.

## 3.1 `attribution`

Expand Down Expand Up @@ -66,9 +66,31 @@ A text description of the tileset. The description can contain any legal charact

## 3.6 `grids`
## 3.7 `legend`

## 3.8 `maxzoom`

OPTIONAL. Default: 30. >= 0, <= 30.

An integer specifying the maximum zoom level. MUST be >= minzoom.

```JSON
{
"maxzoom": "11"
}
```

## 3.9 `minzoom`

OPTIONAL. Default: 0. >= 0, <= 30.

An integer specifying the minimum zoom level. MUST be <= maxzoom

```JSON
{
"minzoom": "0"
}
```

## 3.10 `name`

OPTIONAL. Default: null.
Expand All @@ -82,6 +104,17 @@ A name describing the tileset. The name can contain any legal character. Impleme
```

## 3.11 `scheme`

OPTIONAL. Default: "xyz".

Either "xyz" or "tms". Influences the y direction of the tile coordinates. The global-mercator (aka Spherical Mercator) profile is assumed.

```JSON
{
"scheme": "xyz"
}
```

## 3.12 `template`
## 3.13 `tilejson`

Expand Down