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Remove dead code (#548)

Browse Source 
* remove vtfilter folder (not maintained going forward)

* update badges

* update CI
This commit is contained in:
Brandon Liu
2025-04-05 16:26:40 +08:00
committed by GitHub
parent 6b7a91b075
commit c9b7f73f28
10 changed files with 4 additions and 1387 deletions
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1
.github/workflows/actions.yml vendored
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@@ -53,4 +53,3 @@ jobs:
- run: cd python/rio-pmtiles && pip install -r requirements-dev.txt && pip install -e . && PYTHONPATH=. pytest tests
- run: cd cpp && make
- run: cd serverless/cloudflare && npm ci && npm test
- run: cd serverless/vtfilter && npm ci && npm test

8
README.md
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@@ -1,7 +1,7 @@
[![pmtiles npm](https://img.shields.io/npm/v/pmtiles)](https://www.npmjs.com/package/pmtiles)
[![pmtiles pypi](https://img.shields.io/pypi/v/pmtiles)](https://pypi.org/project/pmtiles/)
[![rio-pmtiles pypi](https://img.shields.io/pypi/v/rio-pmtiles)](https://pypi.org/project/rio-pmtiles/)
[![ol-pmtiles npm](https://img.shields.io/npm/v/ol-pmtiles)](https://www.npmjs.com/package/ol-pmtiles)
[![pmtiles npm](https://img.shields.io/npm/v/pmtiles?label=npm%20pmtiles)](https://www.npmjs.com/package/pmtiles)
[![pmtiles pypi](https://img.shields.io/pypi/v/pmtiles?label=pypi%20pmtiles)](https://pypi.org/project/pmtiles/)
[![rio-pmtiles pypi](https://img.shields.io/pypi/v/rio-pmtiles?label=pypi%20rio-pmtiles)](https://pypi.org/project/rio-pmtiles/)
[![ol-pmtiles npm](https://img.shields.io/npm/v/ol-pmtiles?label=npm%20ol-pmtiles)](https://www.npmjs.com/package/ol-pmtiles)
🔎 **PMTiles Viewer:** [https://pmtiles.io/](https://pmtiles.io) 🔎

1
serverless/vtfilter/.gitignore vendored
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@@ -1 +0,0 @@
dist

BIN
serverless/vtfilter/fixtures/sample.pbf
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Binary file not shown.

21
serverless/vtfilter/index.ts
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@@ -1,21 +0,0 @@
import {
Context,
APIGatewayProxyResult,
APIGatewayProxyEventV2,
} from "aws-lambda";
import { TileType } from "../../js/index";
import { handlerRaw } from "../aws/src/index";
import { parseAttributes, vtfilter } from "./vtfilter";
export const handler = async (
event: APIGatewayProxyEventV2,
context: Context
): Promise<APIGatewayProxyResult> => {
let attributes = event.queryStringParameters?.attributes;
function tilePostprocess(a: ArrayBuffer, t: TileType) {
return vtfilter(new Uint8Array(a), attributes);
}
return handlerRaw(event, context, tilePostprocess);
};

989
serverless/vtfilter/package-lock.json generated
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@@ -1,989 +0,0 @@
{
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"version": "0.0.0",
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"pbf": "^3.2.1"
},
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"@types/mapbox__vector-tile": "^1.3.0",
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22
serverless/vtfilter/package.json
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@@ -1,22 +0,0 @@
{
"name": "pmtiles-vtfilter",
"version": "0.0.0",
"dependencies": {
"@mapbox/vector-tile": "^1.3.1",
"pbf": "^3.2.1"
},
"devDependencies": {
"@types/aws-lambda": "^8.10.109",
"@types/mapbox__vector-tile": "^1.3.0",
"@types/node": "^18.11.10",
"@types/pbf": "^3.0.2",
"esbuild": "^0.25.0",
"tsx": "^4.19.3",
"typescript": "^4.8.3"
},
"scripts": {
"test": "tsx vtfilter.test.ts",
"tsc": "tsc --noEmit --watch",
"build": "esbuild index.ts --target=es2020 --outfile=dist/index.mjs --format=esm --bundle --platform=node --target=node18 --external:@aws-sdk/client-s3 --external:@aws-sdk/node-http-handler --banner:js=//$(git describe --always) && cd dist && zip lambda_function.zip index.mjs"
}
}

16
serverless/vtfilter/tsconfig.json
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@@ -1,16 +0,0 @@
{
"compilerOptions": {
"target": "es2021",
"strict": true,
"preserveConstEnums": true,
"noEmit": true,
"sourceMap": false,
"module": "es2022",
"moduleResolution": "node",
"esModuleInterop": true,
"skipLibCheck": true,
"forceConsistentCasingInFileNames": true,
"isolatedModules": true
},
"exclude": ["node_modules"]
}

107
serverless/vtfilter/vtfilter.test.ts
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@@ -1,107 +0,0 @@
import { test } from "node:test";
import assert from "node:assert";
import { vtfilter, parseAttributes } from "./vtfilter";
import fs from "fs";
import { VectorTile } from "@mapbox/vector-tile";
import Protobuf from "pbf";
test("basic attribute filter globals", () => {
let result = parseAttributes("attr1");
assert(result.names.has("attr1"));
assert.strictEqual(result.names.size, 1);
result = parseAttributes("attr1,attr2");
assert(result.names.has("attr1"));
assert(result.names.has("attr2"));
assert.strictEqual(result.names.size, 2);
result = parseAttributes("attr\\:withcolon");
assert(result.names.has("attr:withcolon"));
assert.strictEqual(result.names.size, 1);
result = parseAttributes("attr\\,withcomma");
assert(result.names.has("attr,withcomma"));
assert.strictEqual(result.names.size, 1);
});
test("basic attribute filter by layer", () => {
let result = parseAttributes("layer1:attr1");
assert.strictEqual(result.names.size, 0);
assert.strictEqual(result.byLayer.get("layer1")!.size, 1);
assert(result.byLayer.get("layer1")!.has("attr1"));
result = parseAttributes("attr1,layer1:attr2,layer1:attr3,layer2:attr4");
assert.strictEqual(result.names.size, 1);
assert(result.names.has("attr1"));
assert.strictEqual(result.byLayer.get("layer1")!.size, 2);
assert(result.byLayer.get("layer1")!.has("attr2"));
assert(result.byLayer.get("layer1")!.has("attr3"));
assert.strictEqual(result.byLayer.get("layer2")!.size, 1);
assert(result.byLayer.get("layer2")!.has("attr4"));
result = parseAttributes(
"layer\\,withcomma\\:withcolon:attr\\,withcomma\\:withcolon"
);
assert.strictEqual(result.byLayer.get("layer,withcomma:withcolon")!.size, 1);
assert(
result.byLayer
.get("layer,withcomma:withcolon")!
.has("attr,withcomma:withcolon")
);
});
test("malformed input", () => {
let result = parseAttributes(",");
assert.strictEqual(result.names.size, 0);
result = parseAttributes(":");
assert.strictEqual(result.names.size, 0);
result = parseAttributes("attr:too:manycolons");
assert.strictEqual(result.names.size, 0);
assert.strictEqual(result.byLayer.get("attr")!.size, 1);
assert(result.byLayer.get("attr")!.has("too"));
});
test("1:1", () => {
const data = fs.readFileSync("fixtures/sample.pbf");
let result = vtfilter(data, undefined);
assert(result === data);
result = vtfilter(data, "*");
assert(result === data);
let orig = new VectorTile(new Protobuf(data));
result = vtfilter(data, "*,extra_key_to_make_shaving_run");
let out = new VectorTile(new Protobuf(result));
let orig_values = [];
let out_values = [];
for (let layername in orig.layers) {
assert.strictEqual(
out.layers[layername].length,
orig.layers[layername].length
);
for (var i = 0; i < orig.layers[layername].length; i++) {
let orig_feature = orig.layers[layername].feature(i);
let out_feature = out.layers[layername].feature(i);
orig_values.push(orig_feature.properties);
orig_values.push(orig_feature.loadGeometry());
out_values.push(out_feature.properties);
out_values.push(out_feature.loadGeometry());
}
}
assert.deepEqual(orig_values, out_values);
});
test("filter specific layer", () => {
const data = fs.readFileSync("fixtures/sample.pbf");
const result = vtfilter(data, "water:natural,landuse:*");
let out = new VectorTile(new Protobuf(result));
assert.strictEqual(Object.keys(out.layers).length, 8);
for (var i = 0; i < out.layers["water"].length; i++) {
let feature = out.layers["water"].feature(i);
assert(Object.keys(feature.properties).length < 2);
}
});

226
serverless/vtfilter/vtfilter.ts
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@@ -1,226 +0,0 @@
import Protobuf from "pbf";
import {
VectorTile,
VectorTileFeature,
VectorTileLayer,
} from "@mapbox/vector-tile";
interface Attributes {
names: Set<string>;
byLayer: Map<string, Set<string>>;
}
function unescape(s: string): string {
return s.replace("\\,", ",").replace("\\:", ":");
}
export function parseAttributes(s: string): Attributes {
let result: Attributes = {
names: new Set<string>(),
byLayer: new Map<string, Set<string>>(),
};
for (let attr_s of s.split(/(?<!\\),/)) {
let parts = attr_s.split(/(?<!\\):/);
if (parts.length == 1) {
if (parts[0] === "") continue;
result.names.add(unescape(parts[0]));
} else {
let layername = unescape(parts[0]);
let colname = unescape(parts[1]);
if (!result.byLayer.has(layername)) {
result.byLayer.set(layername, new Set<string>());
}
result.byLayer.get(layername)!.add(colname);
}
}
return result;
}
function writeValue(value: number | boolean | string, pbf?: Protobuf) {
if (typeof value === "string") {
pbf!.writeStringField(1, value);
} else if (typeof value === "boolean") {
pbf!.writeBooleanField(7, value);
} else if (typeof value === "number") {
if (value % 1 !== 0) {
pbf!.writeDoubleField(3, value);
} else if (value < 0) {
pbf!.writeSVarintField(6, value);
} else {
pbf!.writeVarintField(5, value);
}
}
}
function writeProperties(context: LayerWriteContext, pbf?: Protobuf) {
var feature = context.feature;
var names = context.names;
var forLayer = context.forLayer;
var keys = context.keys;
var values = context.values;
var keycache = context.keycache;
var valuecache = context.valuecache;
for (var key in feature!.properties) {
if (
names.has("*") ||
names.has(key) ||
forLayer.has("*") ||
forLayer.has(key)
) {
var value = feature!.properties[key];
var keyIndex = keycache[key];
if (value === null) continue; // don't encode null value properties
if (typeof keyIndex === "undefined") {
keys.push(key);
keyIndex = keys.length - 1;
keycache[key] = keyIndex;
}
pbf!.writeVarint(keyIndex);
var type = typeof value;
if (type !== "string" && type !== "boolean" && type !== "number") {
value = JSON.stringify(value);
}
var valueKey = type + ":" + value;
var valueIndex = valuecache[valueKey];
if (typeof valueIndex === "undefined") {
values.push(value);
valueIndex = values.length - 1;
valuecache[valueKey] = valueIndex;
}
pbf!.writeVarint(valueIndex);
}
}
}
function command(cmd: number, length: number) {
return (length << 3) + (cmd & 0x7);
}
function zigzag(num: number) {
return (num << 1) ^ (num >> 31);
}
function writeGeometry(feature: VectorTileFeature, pbf?: Protobuf) {
var geometry = feature.loadGeometry();
var type = feature.type;
var x = 0;
var y = 0;
var rings = geometry.length;
for (var r = 0; r < rings; r++) {
var ring = geometry[r];
var count = 1;
if (type === 1) {
count = ring.length;
}
pbf!.writeVarint(command(1, count)); // moveto
// do not write polygon closing path as lineto
var lineCount = type === 3 ? ring.length - 1 : ring.length;
for (var i = 0; i < lineCount; i++) {
if (i === 1 && type !== 1) {
pbf!.writeVarint(command(2, lineCount - 1)); // lineto
}
var dx = ring[i].x - x;
var dy = ring[i].y - y;
pbf!.writeVarint(zigzag(dx));
pbf!.writeVarint(zigzag(dy));
x += dx;
y += dy;
}
if (type === 3) {
pbf!.writeVarint(command(7, 1)); // closepath
}
}
}
function writeFeature(context: LayerWriteContext, pbf?: Protobuf) {
var feature = context.feature!;
if (feature.id !== undefined) {
pbf!.writeVarintField(1, feature.id);
}
pbf!.writeMessage(2, writeProperties, context);
pbf!.writeVarintField(3, feature.type);
pbf!.writeMessage(4, writeGeometry, feature);
}
function writeLayer(
l: [VectorTileLayer, Set<string>, Set<string>],
sink?: Protobuf
) {
sink = sink!;
let layer = l[0];
sink.writeVarintField(15, layer.version || 1);
sink.writeStringField(1, layer.name || "");
sink.writeVarintField(5, layer.extent || 4096);
var i;
var context: LayerWriteContext = {
keys: [],
values: [],
keycache: {},
valuecache: {},
feature: undefined,
names: l[1],
forLayer: l[2],
};
for (i = 0; i < layer.length; i++) {
let feature = layer.feature(i);
context.feature = feature;
sink.writeMessage(2, writeFeature, context);
}
// finalize the layer by writing key/values
var keys = context.keys;
for (i = 0; i < keys.length; i++) {
sink.writeStringField(3, keys[i]);
}
var values = context.values;
for (i = 0; i < values.length; i++) {
sink.writeMessage(4, writeValue, values[i]);
}
}
interface LayerWriteContext {
keys: string[];
values: (string | boolean | number)[];
keycache: { [_: string]: number };
valuecache: { [_: string]: number };
feature?: VectorTileFeature;
names: Set<string>;
forLayer: Set<string>;
}
// the resulting blob is a vector tile
// includes only the layers specified by key;
// includes only the named attributes
export const vtfilter = (data: Uint8Array, attrstring?:string): Uint8Array => {
if (!attrstring || attrstring === "" || attrstring === "*") {
return data;
}
const attrs = parseAttributes(attrstring);
const source = new VectorTile(new Protobuf(data));
const sink = new Protobuf();
// WARNING: might change the layer order
for (const layername in source.layers) {
let layer = source.layers[layername];
sink.writeMessage(3, writeLayer, [
layer,
attrs.names,
attrs.byLayer.get(layername) || new Set(),
]);
}
return sink.finish();
};