Const tile grid count (#2)

* prove out the nested tile rendering system

* update README

.gitignore

@@ -2,6 +2,7 @@ node_modules
 /dist
 /target
 /pkg
+/wasmpkg
 /wasm-pack.log
 /elm-stuff
 /js/viewer-ui.js

Cargo.toml

@@ -9,10 +9,11 @@ crate-type = ["cdylib", "rlib"]
 path = "rust/lib.rs"
 
 [features]
-default = ["console_error_panic_hook"]
+err-capture = ["dep:console_error_panic_hook"]
 
 [dependencies]
 geom = { git = "https://github.com/kurtlawrence/geom", branch = "fork=dirtvz", features = ["js"] }
+# geom = { path = "../geom", features = ["js"] }
 rustc-hash = "1"
 wasm-bindgen = "0.2"
 web-sys = { version = "0.3", features = ["console"]}
@@ -21,7 +22,7 @@ web-sys = { version = "0.3", features = ["console"]}
 # logging them with `console.error`. This is great for development, but requires
 # all the `std::fmt` and `std::panicking` infrastructure, so isn't great for
 # code size when deploying.
-console_error_panic_hook = { version = "0.1.6", optional = true }
+console_error_panic_hook = { version = "0.1", optional = true }
 
 # `wee_alloc` is a tiny allocator for wasm that is only ~1K in code size
 # compared to the default allocator's ~10K. It is slower than the default
@@ -30,6 +31,8 @@ wee_alloc = { version = "0.4.5", optional = true }
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3.13"
+quickcheck = "1"
+quickcheck_macros = "1"
 
 [profile.release]
 # Tell `rustc` to optimize for small code size.

Notes/DEPLOY.md

@@ -41,7 +41,7 @@ Note that this operation is _destructive_ so it is recommended to be done in a s
 
 Follow [Production Building](#Production-Building).
 
-**Step 2. Remove all but the `dist/` folder**
+**Step 2. Deploy on `app-site` branch**
 
 ```sh
 mkdir tmp-dirtvz-app-push

README.md

@@ -2,6 +2,7 @@
 
 _Web-based, high performance 3D renderer for the mining industry._
 
+
 - [App 🔎⛰🔍](https://kurtlawrence.github.io/dirtvz/)
 
 Dirtvz is an experimental web-based 3D renderer targeted specifically at the dataset common within
@@ -15,6 +16,8 @@ Dirtvz aims to be both a utility and a practical research project. As web-based
 continues to improve, dirtvz aims to explore the practical challenges and present solutions which
 can be extended to other projects.
 
+> 🧪 `dirtvz` is in a highly experimental stage, focused on prototyping technologies and
+> techniques to enable high performance rendering of large mining datasets through the browser.
 > Please note that dirtvz is is in very early stages of prototyping and there are no stability
 > guarantees. The included app is still very rudimentary and support for various objects is
 > limited.
@@ -41,15 +44,22 @@ As the project matures, Github issues will be adopted more formally.
 - [ ] `p` for plan view (top down), `p` again to north up, `p` again to reset view
 - [ ] UI toggle for invert mouse scroll
 - [ ] UI help for interactions
-- [ ] dynamic filtering tile/lod
+- [x] dynamic filtering tile/lod
 - [ ] apply pipeline optimisations and anti-aliasing
 - [ ] ? Load raw triangles at finest lod detail
 - [ ] world axis behaves poorly at zoom levels
+- [ ] world axis clips on edges
+- [ ] ? rework database to create a store _per object_
+- [ ] progress on preprocessing
+- [ ] ? support for large surfaces (progressive sampling?)
+- [ ] import preprocessing performance (parallelise or cache sampling points)
 
 # Developing commands
 
 ```sh
-# Build Rust to WASM (use --debug for debugging, BUT IS VERY SLOW!)
+# Build Rust to WASM
+#   use --debug for debugging, BUT IS VERY SLOW!
+#   use --features=err-capture to get Rust stack trace printed to console
 wasm-pack build --out-dir wasmpkg --out-name wasm --target bundler
 # Builds Elm
 elm make elm/ViewerUI.elm --output=js/viewer-ui.js

elm/Ports.elm

@@ -11,6 +11,8 @@ type alias HoverInfo =
     , renderPt : Maybe Point3
     , worldPt : Maybe Point3
     , meshName : Maybe String
+    , tileId : Maybe Int
+    , lodRes : Maybe Float
     }
 
 
@@ -48,8 +50,9 @@ hoverinfo toMsg =
                 |> null "render_pt" decodePoint3
                 |> null "world_pt" decodePoint3
                 |> null "mesh_name" D.string
+                |> null "tile_id" D.int
+                |> null "lod_res" D.float
             )
-            -- >> Result.mapError (Debug.log "Decode error")
             >> Result.toMaybe
             >> toMsg
         )

elm/ViewerUI.elm

@@ -163,7 +163,11 @@ objectListView =
 
 
 hoverInfoView : HoverInfo -> Html
-hoverInfoView { pointerx, pointery, renderPt, worldPt, meshName } =
+hoverInfoView info =
+    let
+        { pointerx, pointery, renderPt, worldPt } =
+            info
+    in
     div []
         [ hr [] []
         , div [] [ text <| "screen coordinates: (" ++ String.fromInt pointerx ++ "," ++ String.fromInt pointery ++ ")" ]
@@ -181,13 +185,7 @@ hoverInfoView { pointerx, pointery, renderPt, worldPt, meshName } =
 
                 Nothing ->
                     []
-        , div [] <|
-            case meshName of
-                Just n ->
-                    [ text <| "closest mesh: " ++ decomposeMeshName n ]
-
-                Nothing ->
-                    []
+        , div [] [ text <| decomposeMeshInfo info ]
         , hr [] []
         ]
 
@@ -196,16 +194,15 @@ p3toString { x, y, z } =
     "(" ++ String.fromFloat x ++ "," ++ String.fromFloat y ++ "," ++ String.fromFloat z ++ ")"
 
 
-decomposeMeshName n =
-    case String.reverse n |> String.split "-" of
-        lod :: tile :: rem ->
-            "{ key = "
-                ++ String.reverse (String.join "-" rem)
+decomposeMeshInfo { meshName, tileId, lodRes } =
+    case (meshName, tileId, lodRes) of
+        (Just n, Just id, Just res) ->
+            "closest mesh: { key = "
+                ++ n
                 ++ ", tile = "
-                ++ String.reverse tile
+                ++ String.fromInt id
                 ++ ", lod = "
-                ++ String.reverse lod
-                ++ " }"
-
+                ++ String.fromFloat res
+                ++ "m }"
         _ ->
-            n
+            ""