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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,63 @@ | ||
| // node populateMosaics.js [input json] [mosaic parameters csv] [url prefix] [output json] | ||
| // [input json] is a geojson where each feature has the properties "sol", "site" and "pos" | ||
| // [mosaic parameters csv] has the following header: mos_name,rows,columns,azmin,azmax,elmin,elmax,elzero | ||
| // [url prefix] | ||
| // [output json] writes the mosaic features[i].properties.images | ||
| // | ||
| // use npm to install csv-parser | ||
|
|
||
| const csv = require("csv-parser"); | ||
| const fs = require("fs"); | ||
|
|
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| const input = process.argv[2]; | ||
| const parameters = process.argv[3]; | ||
| const prefix = process.argv[4]; | ||
| const output = process.argv[5]; | ||
|
|
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| let csvrows = {}; | ||
|
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| fs.createReadStream(parameters) | ||
| .pipe(csv()) | ||
| .on("data", (row) => { | ||
| const sol = parseInt(row.mos_name.substr(7, 4)); | ||
| const site = parseInt(row.mos_name.substr(15, 3)); | ||
| const pos = parseInt(row.mos_name.substr(24, 4)); | ||
| const id = sol + "_" + site + "_" + pos; | ||
|
|
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| csvrows[id] = row; | ||
| }) | ||
| .on("end", () => { | ||
| let geojson = JSON.parse(fs.readFileSync(input, "utf8")); | ||
|
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| geojson.features.forEach((element) => { | ||
| const p = element.properties; | ||
|
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| const sol = parseInt(p.sol); | ||
| const site = parseInt(p.site); | ||
| const pos = parseInt(p.pos); | ||
| const id = sol + "_" + site + "_" + pos; | ||
|
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| p.images = p.images || []; | ||
|
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| if (csvrows[id]) { | ||
| const c = csvrows[id]; | ||
| // delete the existing image with same url if any | ||
| p.images = p.images.filter((v) => v.name != c.mos_name); | ||
| p.images.push({ | ||
| name: c.mos_name, | ||
| isPanoramic: true, | ||
| url: prefix + c.mos_name + ".jpg", | ||
| rows: c.rows, | ||
| columns: c.columns, | ||
| azmin: c.azmin, | ||
| azmax: c.azmax, | ||
| elmin: c.elmin, | ||
| elmax: c.elmax, | ||
| elzero: c.elzero, | ||
| }); | ||
| } | ||
| }); | ||
| fs.writeFile(output, JSON.stringify(geojson), "utf8", () => { | ||
| console.log("Successfully populated mosaic images into " + output + "!"); | ||
| }); | ||
| }); |
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