depwl9992 · November 18, 2024 17:30 · Nov 27, 2020 · Nov 27, 2020 · Nov 27, 2020 · Nov 27, 2020
diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -132,7 +132,7 @@ Someone in the comments asked about how to add the red background you see in the
 #### Additional Options
 rgba() with transparency settings instead of the #RRGGBB format actually works!
 
-Replace `background:'#300806'` with `background: 'rgba(48,8,6,1.0)'` and reload.
+In worlds.txt, replace `background:'#300806'` with `background: 'rgba(48,8,6,1.0)'` and reload.
 
 Additionally I did some digging into the .js files and found that dynmap may be simply translating the background options of map definitions here into raw CSS. In this case, I tried another thing:
 

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -147,3 +147,14 @@ Also [w3schools'](https://www.w3schools.com/cssref/css3_pr_background.asp) CSS3
 
 As [docm77](https://www.twitch.tv/docm77live) is fond of saying, "Lawd a'mercy..."
 ![image](https://user-images.githubusercontent.com/1482452/100487870-0e832400-30c8-11eb-95d3-bb8cd9eafca9.png)
+
+We can also replace 'lightblue' with an RGB definition in #RGB, #RRGGBB, and rgba() formats.
+
+`background: 'rgba(48,8,6,0.5) url("images/book.png") fixed'`
+
+Not so spectactular, and the image is layered on top of the background color, so the alpha channel does not darken it any
+![image](https://user-images.githubusercontent.com/1482452/100488075-5ce4f280-30c9-11eb-8a4a-1f804d7e1691.png)
+
+This simply means that to properly make a GOOD background image, choosing something less busy and/or manually darkening it in photo editing software it may be preferrable.
+
+![image](https://user-images.githubusercontent.com/1482452/100488246-57d47300-30ca-11eb-8d3a-e3e6b6bfe608.png)
diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -141,7 +141,7 @@ Additionally I did some digging into the .js files and found that dynmap may be
 YIKES!! What are we seeing!?
 ![image](https://user-images.githubusercontent.com/1482452/100487802-c401a780-30c7-11eb-8f96-9f42a0685dc0.png)
 
-Additionally [w3schools'](https://www.w3schools.com/cssref/css3_pr_background.asp) CSS3 background documentation describes a method of embedding not only a background image, but also its positioning, tiling, repeating and additionally a backup color into the same line.
+Also [w3schools'](https://www.w3schools.com/cssref/css3_pr_background.asp) CSS3 background documentation describes a method of embedding not only a background image, but also its positioning, tiling, repeat, and additionally a backup color into the same line.
 
 `background: 'lightblue url("images/book.png") fixed'`
 

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -107,7 +107,7 @@ Someone in the comments asked about how to add the red background you see in the
 3. Note that by default, the "flat" and "surface" maps for `world_nether` have a background property of #300806.
 4. Copy this line into all applicable map sections. For our purposes, the nether_roof will look something like this:
 
-```
+```yaml
 -   name: world_nether
     title: The Nether
     enabled: true

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -132,7 +132,7 @@ Someone in the comments asked about how to add the red background you see in the
 #### Additional Options
 rgba() with transparency settings instead of the #RRGGBB format actually works!
 
-Replace `background:'#300806'` with `background: 'rgba(48,8,6,1.0)` and reload.
+Replace `background:'#300806'` with `background: 'rgba(48,8,6,1.0)'` and reload.
 
 Additionally I did some digging into the .js files and found that dynmap may be simply translating the background options of map definitions here into raw CSS. In this case, I tried another thing:
 
@@ -145,5 +145,5 @@ Additionally [w3schools'](https://www.w3schools.com/cssref/css3_pr_background.as
 
 `background: 'lightblue url("images/book.png") fixed'`
 
-As docm77 is fond of saying, "Lawd a'mercy..."
+As [docm77](https://www.twitch.tv/docm77live) is fond of saying, "Lawd a'mercy..."
 ![image](https://user-images.githubusercontent.com/1482452/100487870-0e832400-30c8-11eb-95d3-bb8cd9eafca9.png)
diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -97,4 +97,53 @@ So I decided perhaps since the nether roof is most often used for portal hubs, I
 4. `dynmap fullrender world_nether:nether_roof`
 
 And the result is quite stupendous!
-![image](https://user-images.githubusercontent.com/1482452/86040878-4c562080-ba34-11ea-896f-29fbd71f01da.png)
+![image](https://user-images.githubusercontent.com/1482452/86040878-4c562080-ba34-11ea-896f-29fbd71f01da.png)
+
+### Dark Red Background (November 27, 2020)
+Someone in the comments asked about how to add the red background you see in the world_nether:flat and world_nether:surface maps. Turns out this is all to do with some undocumented and unautomated dynmap features that live in the very hard-to-find [HD Map Configuration help file](https://github.com/webbukkit/dynmap/wiki/HD-Map-Configuration).
+
+1. Open `<SpigotMC Directory>/plugins/dynmap/worlds.txt`.
+2. Scroll down to `world_nether` and in the maps section, search for all separate map definitions.
+3. Note that by default, the "flat" and "surface" maps for `world_nether` have a background property of #300806.
+4. Copy this line into all applicable map sections. For our purposes, the nether_roof will look something like this:
+
+```
+-   name: world_nether
+    title: The Nether
+    enabled: true
+    extrazoomout: 2
+    maps:
+    ...
+    ...
+    -   class: org.dynmap.hdmap.HDMap
+        name: nether_roof
+        title: The Roof is on Fire!
+        icon: images/bedrock_portal.png
+        prefix: nether_roof
+        perspective: nether_top_map_lowres
+        ...
+        ...
+        background: '#300806'
+        append_to_world: ''
+```
+5. Reload the server and watch the nether roof map refresh into new, smoldering red gloriousness!
+![image](https://user-images.githubusercontent.com/1482452/100487526-4f7a3900-30c6-11eb-87b1-92feb700f166.png)
+
+#### Additional Options
+rgba() with transparency settings instead of the #RRGGBB format actually works!
+
+Replace `background:'#300806'` with `background: 'rgba(48,8,6,1.0)` and reload.
+
+Additionally I did some digging into the .js files and found that dynmap may be simply translating the background options of map definitions here into raw CSS. In this case, I tried another thing:
+
+`background: 'url("images/book.png")'`
+
+YIKES!! What are we seeing!?
+![image](https://user-images.githubusercontent.com/1482452/100487802-c401a780-30c7-11eb-8f96-9f42a0685dc0.png)
+
+Additionally [w3schools'](https://www.w3schools.com/cssref/css3_pr_background.asp) CSS3 background documentation describes a method of embedding not only a background image, but also its positioning, tiling, repeating and additionally a backup color into the same line.
+
+`background: 'lightblue url("images/book.png") fixed'`
+
+As docm77 is fond of saying, "Lawd a'mercy..."
+![image](https://user-images.githubusercontent.com/1482452/100487870-0e832400-30c8-11eb-95d3-bb8cd9eafca9.png)
diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -82,7 +82,7 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 5. In the server console run `reload` and wait for all server and plugin configurations to be re-read from their respective files.
 6. Run `dynmap pause none`.
 7. Run `dynmap cancelrender world_nether`. You'll either see `Cancelled render for 'world_nether'` if a fullrender was in progress, or nothing.
-8. Run `dynmap fullrender world_nether:nether_roof` and wait a few minutes for the first few chunks to render in the browser. If all is well, whatever was displayed before should now be overwritten with the grey/black bedrock texture.
+8. Run `dynmap fullrender world_nether:nether_roof` and wait a few minutes for the first few tiles to render in the browser. If all is well, whatever was displayed before should now be overwritten with a dark grey houndstoothy bedrock texture.
 
 ### Lighting (June 29, 2020)
 With Dynmap 3.1 beta released for 1.16 (Nether) I am watching the Nether biome updates roll in gradually as I re-run a full render of `world_nether:flat`.

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -97,3 +97,4 @@ So I decided perhaps since the nether roof is most often used for portal hubs, I
 4. `dynmap fullrender world_nether:nether_roof`
 
 And the result is quite stupendous!
+![image](https://user-images.githubusercontent.com/1482452/86040878-4c562080-ba34-11ea-896f-29fbd71f01da.png)
diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -94,4 +94,6 @@ So I decided perhaps since the nether roof is most often used for portal hubs, I
 1. `dynmap pause all`
 2. `dmap mapset world_nether:nether_roof lighting:brightnight`
 3. `dynmap pause none`
-4. `dynmap fullrender world_nether:nether_roof`
+4. `dynmap fullrender world_nether:nether_roof`
+
+And the result is quite stupendous!
diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -85,9 +85,9 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 8. Run `dynmap fullrender world_nether:nether_roof` and wait a few minutes for the first few chunks to render in the browser. If all is well, whatever was displayed before should now be overwritten with the grey/black bedrock texture.
 
 ### Lighting (June 29, 2020)
-With Dynmap 3.1 released for 1.16 (Nether) I am watching the Nether updates roll in gradually as I re-run a full render of `world_nether:flat`.
+With Dynmap 3.1 beta released for 1.16 (Nether) I am watching the Nether biome updates roll in gradually as I re-run a full render of `world_nether:flat`.
 
-In the time I wrote this to now my brothers and I also broke into the End and started raiding End cities at which point I realized that its default lighting profile "brightnight" is extremely useful in finding cities and [End gateways](https://minecraft.gamepedia.com/End_gateway) as the diamond flaring of end rods and torches really help when scanning a 10k x 10k map.
+And as I wait, I realized that in the time I wrote this to now my brothers and I also defeated the dragon and and started raiding End cities at which point I realized that its default lighting profile "brightnight" is extremely useful in finding cities and [End gateways](https://minecraft.gamepedia.com/End_gateway) as the diamond flaring of end rods and torches really help when scanning a 10k x 10k map.
 
 So I decided perhaps since the nether roof is most often used for portal hubs, I could change the lighting profile of `world_nether:nether_roof` to brightnight as well.
 

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -84,12 +84,12 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 7. Run `dynmap cancelrender world_nether`. You'll either see `Cancelled render for 'world_nether'` if a fullrender was in progress, or nothing.
 8. Run `dynmap fullrender world_nether:nether_roof` and wait a few minutes for the first few chunks to render in the browser. If all is well, whatever was displayed before should now be overwritten with the grey/black bedrock texture.
 
-### Lighting
-With Dynmap 3.1 released for 1.16 (Nether) I am watching the Nether updates roll in gradually as I re-run a full render of world_nether:flat.
+### Lighting (June 29, 2020)
+With Dynmap 3.1 released for 1.16 (Nether) I am watching the Nether updates roll in gradually as I re-run a full render of `world_nether:flat`.
 
-In the time I wrote this my brothers and I also broke into the End and started raiding End cities at which point I realized that the lighting profile "brightnight" is extremely useful in finding cities and [End gateways](https://minecraft.gamepedia.com/End_gateway) as the diamond flaring of end rods and torches really help.
+In the time I wrote this to now my brothers and I also broke into the End and started raiding End cities at which point I realized that its default lighting profile "brightnight" is extremely useful in finding cities and [End gateways](https://minecraft.gamepedia.com/End_gateway) as the diamond flaring of end rods and torches really help when scanning a 10k x 10k map.
 
-So I decided perhaps since the nether roof is most often used for portal hubs, I could change the lighting profile of world_nether:nether_roof to brightnight as well.
+So I decided perhaps since the nether roof is most often used for portal hubs, I could change the lighting profile of `world_nether:nether_roof` to brightnight as well.
 
 1. `dynmap pause all`
 2. `dmap mapset world_nether:nether_roof lighting:brightnight`

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -82,4 +82,16 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 5. In the server console run `reload` and wait for all server and plugin configurations to be re-read from their respective files.
 6. Run `dynmap pause none`.
 7. Run `dynmap cancelrender world_nether`. You'll either see `Cancelled render for 'world_nether'` if a fullrender was in progress, or nothing.
-8. Run `dynmap fullrender world_nether:nether_roof` and wait a few minutes for the first few chunks to render in the browser. If all is well, whatever was displayed before should now be overwritten with the grey/black bedrock texture.
+8. Run `dynmap fullrender world_nether:nether_roof` and wait a few minutes for the first few chunks to render in the browser. If all is well, whatever was displayed before should now be overwritten with the grey/black bedrock texture.
+
+### Lighting
+With Dynmap 3.1 released for 1.16 (Nether) I am watching the Nether updates roll in gradually as I re-run a full render of world_nether:flat.
+
+In the time I wrote this my brothers and I also broke into the End and started raiding End cities at which point I realized that the lighting profile "brightnight" is extremely useful in finding cities and [End gateways](https://minecraft.gamepedia.com/End_gateway) as the diamond flaring of end rods and torches really help.
+
+So I decided perhaps since the nether roof is most often used for portal hubs, I could change the lighting profile of world_nether:nether_roof to brightnight as well.
+
+1. `dynmap pause all`
+2. `dmap mapset world_nether:nether_roof lighting:brightnight`
+3. `dynmap pause none`
+4. `dynmap fullrender world_nether:nether_roof`
diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -59,7 +59,7 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 ![Screenshot 2020-05-28 13 20 46](https://user-images.githubusercontent.com/1482452/83186898-7bead380-a0ea-11ea-98de-53914017fc9f.png)
 4. Icons are stored in `<Spigot_Server>/plugins/dynmap/web/images`.
 5. You can create or find 16x16px custom PNG images, copying them into this folder for use within the server console.
-6. To load the newly copied PNG image, run the `dmap mapset` command again, changing the `icon:images/sign_warp.png` bit to `icon:images/<filename>.png`
+6. To load the newly copied PNG image, repeat step 2, changing the `icon:images/sign_warp.png` bit to `icon:images/<filename>.png`
 
 > ### Example
 > I threw together this one called which blends the bedrock block texture and the nether_portal block texture, and copied it in as `<Spigot_Server>/plugins/dynmap/web/images/bedrock_portal.png`.

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -62,7 +62,7 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 6. To load the newly copied PNG image, run the `dmap mapset` command again, changing the `icon:images/sign_warp.png` bit to `icon:images/<filename>.png`
 
 > ### Example
-> I threw together this one called which blends the bedrock block texture and the nether_portal block texture, and copied it into `<Spigot_Server>/plugins/dynmap/web/images/bedrock_portal.png`.
+> I threw together this one called which blends the bedrock block texture and the nether_portal block texture, and copied it in as `<Spigot_Server>/plugins/dynmap/web/images/bedrock_portal.png`.
 > 
 > ![bedrock_portal](https://user-images.githubusercontent.com/1482452/83185660-8d32e080-a0e8-11ea-9601-e2179f178c66.png)
 >

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -57,9 +57,13 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 2. Run the command `dmap mapset world_nether:nether_roof icon:images/sign_warp.png`
 3. Return to the browser and note the updated icon now displays something like a white chat bubble with a black "><":
 ![Screenshot 2020-05-28 13 20 46](https://user-images.githubusercontent.com/1482452/83186898-7bead380-a0ea-11ea-98de-53914017fc9f.png)
-4. Add custom images by creating or finding 16x16px PNG images and copying them into `<Spigot_Server>/plugins/dynmap/web/images`, and run the `dmap mapset` command again, changing the `icon:images/sign_warp.png` bit to `icon:images/<filename>.png`
+4. Icons are stored in `<Spigot_Server>/plugins/dynmap/web/images`.
+5. You can create or find 16x16px custom PNG images, copying them into this folder for use within the server console.
+6. To load the newly copied PNG image, run the `dmap mapset` command again, changing the `icon:images/sign_warp.png` bit to `icon:images/<filename>.png`
 
-> I threw together this one called which blends the bedrock block texture and the nether_portal block texture, and copied it into `<Spigot_Server>/plugins/dynmap/web/images/bedrock_portal.png`:
+> ### Example
+> I threw together this one called which blends the bedrock block texture and the nether_portal block texture, and copied it into `<Spigot_Server>/plugins/dynmap/web/images/bedrock_portal.png`.
+> 
 > ![bedrock_portal](https://user-images.githubusercontent.com/1482452/83185660-8d32e080-a0e8-11ea-9601-e2179f178c66.png)
 >
 > Then I ran the command `dmap mapset world_nether:nether_roof icon:images/bedrock_portal.png`, which I'm quite happy with!

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -63,6 +63,7 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 > ![bedrock_portal](https://user-images.githubusercontent.com/1482452/83185660-8d32e080-a0e8-11ea-9601-e2179f178c66.png)
 >
 > Then I ran the command `dmap mapset world_nether:nether_roof icon:images/bedrock_portal.png`, which I'm quite happy with!
+> 
 > ![Screenshot 2020-05-28 13 37 15](https://user-images.githubusercontent.com/1482452/83189298-42b46280-a0ee-11ea-99bc-74cf74c3e529.png)
 
 

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -59,11 +59,12 @@ _(This could also be blank, meaning no fullrender was in progress.)_
 ![Screenshot 2020-05-28 13 20 46](https://user-images.githubusercontent.com/1482452/83186898-7bead380-a0ea-11ea-98de-53914017fc9f.png)
 4. Add custom images by creating or finding 16x16px PNG images and copying them into `<Spigot_Server>/plugins/dynmap/web/images`, and run the `dmap mapset` command again, changing the `icon:images/sign_warp.png` bit to `icon:images/<filename>.png`
 
-I threw together this one called which blends the bedrock block texture and the nether_portal block texture, and copied it into `<Spigot_Server>/plugins/dynmap/web/images/bedrock_portal.png`:
-![bedrock_portal](https://user-images.githubusercontent.com/1482452/83185660-8d32e080-a0e8-11ea-9601-e2179f178c66.png)
+> I threw together this one called which blends the bedrock block texture and the nether_portal block texture, and copied it into `<Spigot_Server>/plugins/dynmap/web/images/bedrock_portal.png`:
+> ![bedrock_portal](https://user-images.githubusercontent.com/1482452/83185660-8d32e080-a0e8-11ea-9601-e2179f178c66.png)
+>
+> Then I ran the command `dmap mapset world_nether:nether_roof icon:images/bedrock_portal.png`, which I'm quite happy with!
+> ![Screenshot 2020-05-28 13 37 15](https://user-images.githubusercontent.com/1482452/83189298-42b46280-a0ee-11ea-99bc-74cf74c3e529.png)
 
-then ran the command `dmap mapset world_nether:nether_roof icon:images/bedrock_portal.png`, which I'm quite happy with!
-![Screenshot 2020-05-28 13 37 15](https://user-images.githubusercontent.com/1482452/83186919-86a56880-a0ea-11ea-8fe7-bb0e6da9b0f6.png)
 
 5. Finally, run `dynmap pause none` to resume the fullrender or active rendering process. If a full render is not in progress, the map will only update when a player loads the nether roof chunks and remains there for some minimum amount of time.
 

diff --git a/Rendering-the-Nether-Roof.md b/Rendering-the-Nether-Roof.md
@@ -0,0 +1,79 @@
+### Initial Setup of the Nether Roof Map
+1. Assuming dynmap is already initialized and the folder structure has been generated during a first-time run, `<Spigot_Server>/plugins/dynmap/custom-perspectives.txt` should exist.
+2. Open [custom-perspectives.txt](https://github.com/webbukkit/dynmap/blob/v3.0/DynmapCore/src/main/resources/custom-perspectives.txt) in a text editor.
+3. In this file below the line `perspectives:` add the following lines of text.
+```yaml
+  - class: org.dynmap.hdmap.IsoHDPerspective
+    name: nether_top_map_lowres
+    maximumheight: 256
+    minimumheight: 129
+    inclination: 90
+    scale: 4
+    azimuth: 180
+```
+4. If SpigotMC is not running, start it and wait for everything to load, remaining in the server console. If SpigotMC _is_ running, you can re-attach to the console using whatever method you have set up.
+5. Run `dynmap pause all` to halt all live updates to the map.
+```console
+[12:49:49] [Server thread/INFO]: [dynmap] Full/radius render pause set to true
+[12:49:49] [Server thread/INFO]: [dynmap] Update render pause set to true
+[12:49:49] [Server thread/INFO]: Full/Radius renders are PAUSED
+[12:49:49] [Server thread/INFO]: Update renders are PAUSED
+[12:49:49] [Server thread/INFO]: Zoom out processing is ACTIVE
+```
+6. If it does not already exist, add a new nether roof map with the command `dmap mapadd world_nether:nether_roof title:"The Roof" perspective:nether_top_map_lowres`.
+7. If it DOES already exist, you can change the perspective of an existing map with `dmap mapset world_nether:nether_roof perspective:nether_top_map_lowres`.
+```console
+[12:50:25] [Server thread/INFO]: Refreshing configuration for world world_nether
+[12:50:25] [Server thread/INFO]: [dynmap] Loaded 4 maps of world 'world_nether'.
+[12:50:25] [Server thread/INFO]: If you are done editing map data, run '/dynmap pause none' to resume rendering
+```
+8. Run `dynmap pause none`.
+```console
+[12:51:37] [Server thread/INFO]: [dynmap] Full/radius render pause set to false
+[12:51:37] [Server thread/INFO]: [dynmap] Update render pause set to false
+[12:51:37] [Server thread/INFO]: Full/Radius renders are ACTIVE
+[12:51:37] [Server thread/INFO]: Update renders are ACTIVE
+[12:51:37] [Server thread/INFO]: Zoom out processing is ACTIVE
+```
+9. Run `dynmap cancelrender world_nether`.
+```console
+[12:54:27] [Server thread/INFO]: Cancelled render for 'world_nether'
+```
+_(This could also be blank, meaning no fullrender was in progress.)_
+
+10. Run `dynmap fullrender world_nether:nether_roof`.
+```console
+[12:56:54] [Server thread/INFO]: Full render starting on world 'world_nether'...
+[12:58:34] [Dynmap Render Thread/INFO]: Full render of map 'nether_roof' of 'world_nether' in progress - 100 tiles rendered (50.30 msec/tile, 18.75 msec per render)
+[13:00:13] [Dynmap Render Thread/INFO]: Full render of map 'nether_roof' of 'world_nether' in progress - 200 tiles rendered (53.48 msec/tile, 16.67 msec per render)
+[13:01:54] [Dynmap Render Thread/INFO]: Full render of map 'nether_roof' of 'world_nether' in progress - 300 tiles rendered (49.51 msec/tile, 15.78 msec per render)
+[13:03:34] [Dynmap Render Thread/INFO]: Full render of map 'nether_roof' of 'world_nether' in progress - 400 tiles rendered (45.63 msec/tile, 15.27 msec per render)
+```
+11. Note in the browser that the new map will not be assigned an icon in the right-hand map list, and as the new perspective starts at y=129, the nether roof texture will not be included. However, the spawn icon should be displayed at (0,0). As I have a standard ilmango zombie pigman gold farm on the nether roof, that is displayed near spawn as well.
+![Screenshot 2020-05-28 13 06 43](https://user-images.githubusercontent.com/1482452/83182896-493ddc80-a0e4-11ea-81a5-32150278f8d9.png)
+
+### Giving the new map an icon
+1. In the server console run `dynmap pause all`
+2. Run the command `dmap mapset world_nether:nether_roof icon:images/sign_warp.png`
+3. Return to the browser and note the updated icon now displays something like a white chat bubble with a black "><":
+![Screenshot 2020-05-28 13 20 46](https://user-images.githubusercontent.com/1482452/83186898-7bead380-a0ea-11ea-98de-53914017fc9f.png)
+4. Add custom images by creating or finding 16x16px PNG images and copying them into `<Spigot_Server>/plugins/dynmap/web/images`, and run the `dmap mapset` command again, changing the `icon:images/sign_warp.png` bit to `icon:images/<filename>.png`
+
+I threw together this one called which blends the bedrock block texture and the nether_portal block texture, and copied it into `<Spigot_Server>/plugins/dynmap/web/images/bedrock_portal.png`:
+![bedrock_portal](https://user-images.githubusercontent.com/1482452/83185660-8d32e080-a0e8-11ea-9601-e2179f178c66.png)
+
+then ran the command `dmap mapset world_nether:nether_roof icon:images/bedrock_portal.png`, which I'm quite happy with!
+![Screenshot 2020-05-28 13 37 15](https://user-images.githubusercontent.com/1482452/83186919-86a56880-a0ea-11ea-8fe7-bb0e6da9b0f6.png)
+
+5. Finally, run `dynmap pause none` to resume the fullrender or active rendering process. If a full render is not in progress, the map will only update when a player loads the nether roof chunks and remains there for some minimum amount of time.
+
+### Rendering the bedrock layer
+(Assuming you've already done everything previously mentioned)
+1. In the server console run `dynmap pause all`.
+2. In the file manager, open `<Spigot_Server>/plugins/dynmap/custom-perspectives.txt` in a text editor.
+3. Edit the line `minimumheight: 129`, changing it to `minimumheight: 128`
+4. Save and close the text editor.
+5. In the server console run `reload` and wait for all server and plugin configurations to be re-read from their respective files.
+6. Run `dynmap pause none`.
+7. Run `dynmap cancelrender world_nether`. You'll either see `Cancelled render for 'world_nether'` if a fullrender was in progress, or nothing.
+8. Run `dynmap fullrender world_nether:nether_roof` and wait a few minutes for the first few chunks to render in the browser. If all is well, whatever was displayed before should now be overwritten with the grey/black bedrock texture.
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