#372 transformCog support for COG:

Author: tariqksoliman

src/essence/Basics/Layers_/Layers_.js

@@ -271,24 +271,6 @@ const L_ = {
                 nextUrl = `/${nextUrl}`
             }
         }
-        if (layerData && layerData.throughTileServer === true) {
-            let bandsParam = ''
-            if (layerData.cogBands) {
-                layerData.cogBands.forEach((band) => {
-                    if (band != null) bandsParam += `&bidx=${band}`
-                })
-            }
-            let resamplingParam = ''
-            if (layerData.cogResampling) {
-                resamplingParam = `&resampling=${layerData.cogResampling}`
-            }
-
-            nextUrl = `${window.location.origin}${(
-                window.location.pathname || ''
-            ).replace(/\/$/g, '')}/titiler/cog/tiles/${
-                layerData.tileMatrixSet || 'WebMercatorQuad'
-            }/{z}/{x}/{y}.webp?url=${nextUrl}${bandsParam}${resamplingParam}`
-        }
         return nextUrl
     },
     //Takes in config layer obj
@@ -587,8 +569,12 @@ const L_ = {
                         }
 
                         if (s.type === 'image') {
-                            if (L_.layers.layer[s.name].options.pixelValuesToColorFn
-                                && L_.layers.layer[s.name].options.pixelValuesToColorFn !== null) {
+                            if (
+                                L_.layers.layer[s.name].options
+                                    .pixelValuesToColorFn &&
+                                L_.layers.layer[s.name].options
+                                    .pixelValuesToColorFn !== null
+                            ) {
                                 L_.layers.layer[s.name].clearCache()
                                 L_.layers.layer[s.name].updateColors(
                                     L_.layers.layer[s.name].options

src/essence/Basics/Layers_/leaflet-tilelayer-middleware.js

@@ -20,7 +20,10 @@ var colorFilterExtension = {
     getTileUrl: function (coords) {
         let url = L.TileLayer.prototype.getTileUrl.call(this, coords)
 
-        if (this.options.splitColonType === 'stac-collection') {
+        if (
+            this.options.splitColonType === 'stac-collection' ||
+            this.options.splitColonType === 'COG'
+        ) {
             let datetime
             if (this.options.endtime != null) {
                 if (this.options.starttime != null) {
@@ -32,11 +35,14 @@ var colorFilterExtension = {
             if (datetime != null)
                 url += `${
                     url.indexOf('?') === -1 ? '?' : '&'
-                }datetime=${datetime}&exitwhenfull=false&skipcovered=false`
-            else
+                }datetime=${datetime}`
+
+            if (this.options.splitColonType === 'stac-collection') {
                 url += `${
                     url.indexOf('?') === -1 ? '?' : '&'
                 }exitwhenfull=false&skipcovered=false`
+            }
+
             if (this.options.cogMin != null && this.options.cogMax != null) {
                 url += `${url.indexOf('?') === -1 ? '?' : '&'}rescale=[${
                     this.options.currentCogMin != null

src/essence/Basics/Map_/Map_.js

@@ -1083,23 +1083,27 @@ async function makeTileLayer(layerObj) {
 
     let splitColonType
     const splitColonLayerUrl = layerObj.url.split(':')
-    if (splitColonLayerUrl[1] != null)
+    if (splitColonLayerUrl[1] != null) {
+        let bandsParam = ''
+        let b
+        let resamplingParam = ''
+
         switch (splitColonLayerUrl[0]) {
             case 'stac-collection':
                 splitColonType = splitColonLayerUrl[0]
                 const splitParams = splitColonLayerUrl[1].split('?')
 
                 // Bands
-                let bandsParam = ''
-                let b = layerObj.cogBands
+                bandsParam = ''
+                b = layerObj.cogBands
                 if (b != null) {
                     b.forEach((band) => {
                         if (band != null) bandsParam += `&bidx=${band}`
                     })
                 }
 
                 // Resampling
-                let resamplingParam = ''
+                resamplingParam = ''
                 if (layerObj.cogResampling) {
                     resamplingParam = `&resampling=${layerObj.cogResampling}`
                 }
@@ -1113,9 +1117,32 @@ async function makeTileLayer(layerObj) {
                 }/{z}/{x}/{y}?assets=asset${bandsParam}${resamplingParam}`
                 layerObj.tileformat = 'wmts'
                 break
+            case 'COG':
+                splitColonType = splitColonLayerUrl[0]
+                // Bands
+                bandsParam = ''
+                b = layerObj.cogBands
+                if (b != null) {
+                    b.forEach((band) => {
+                        if (band != null) bandsParam += `&bidx=${band}`
+                    })
+                }
+
+                resamplingParam = ''
+                if (layerObj.cogResampling) {
+                    resamplingParam = `&resampling=${layerObj.cogResampling}`
+                }
+
+                layerUrl = `${window.location.origin}${(
+                    window.location.pathname || ''
+                ).replace(/\/$/g, '')}/titiler/cog/tiles/${
+                    layerObj.tileMatrixSet || 'WebMercatorQuad'
+                }/{z}/{x}/{y}.webp?url=${layerUrl}${bandsParam}${resamplingParam}`
+
             default:
                 break
         }
+    }
 
     let bb = null
     if (layerObj.hasOwnProperty('boundingBox')) {

src/essence/Tools/Layers/LayersTool.js

@@ -228,13 +228,16 @@ var LayersTool = {
 
         if (
             !layer.url.startsWith('stac-collection:') &&
+            !layer.url.startsWith('COG:') &&
             layer.type !== 'image' &&
             layer.type !== 'velocity'
         )
             return
         if (
             layer.cogTransform !== true &&
-            (layer.url.startsWith('stac-collection:') || layer.type === 'image')
+            (layer.url.startsWith('stac-collection:') ||
+                layer.url.startsWith('COG:') ||
+                layer.type === 'image')
         )
             return
         if (
@@ -618,7 +621,8 @@ function interfaceWithMMGIS(fromInit) {
                     if (
                         node[i].cogTransform === true &&
                         typeof node[i].url === 'string' &&
-                        node[i].url.split(':')[0] === 'stac-collection'
+                        (node[i].url.split(':')[0] === 'stac-collection' ||
+                            node[i].url.split(':')[0] === 'COG')
                     ) {
                         if (window.mmgisglobal.WITH_TITILER === 'true') {
                             // prettier-ignore