diff --git a/crates/client/dist/index.html b/crates/client/dist/index.html
index 6b395d9..af80c98 100644
--- a/crates/client/dist/index.html
+++ b/crates/client/dist/index.html
@@ -94,7 +94,7 @@
             }
         }
     </style>
-<link rel="modulepreload" href="/wxbox-client-432cad19da309f9d.js" crossorigin="anonymous" integrity="sha384-nrW4CTzLGI43dYXx4bsCC1MufwwJsv215lOCUjGPlKxUXnaSIj4SO1d9LLavD/iZ"><link rel="preload" href="/wxbox-client-432cad19da309f9d_bg.wasm" crossorigin="anonymous" integrity="sha384-OaZoP3+dHb0yt+DUsiqidExoGgtMXKSCAZgJw6EqccvkadD8EPCeb0Yct6+3tVBi" as="fetch" type="application/wasm"></head>
+<link rel="modulepreload" href="/wxbox-client-80142735797f0966.js" crossorigin="anonymous" integrity="sha384-Vt83Dej0N3ylPemIHXzytyKIxG97APHZN9wiDVs0l/Ke7cJAIwuTt06P9cfxlScr"><link rel="preload" href="/wxbox-client-80142735797f0966_bg.wasm" crossorigin="anonymous" integrity="sha384-cgdrHf785ZWa2q7jeTewH7zPTO9blVxrrz8Om8M6boiYE0iolbNJAoWkNUNbIZoe" as="fetch" type="application/wasm"></head>
 
 <body>
 <!-- The WASM code will resize the canvas dynamically -->
@@ -111,8 +111,8 @@
 
 
 <script type="module">
-import init, * as bindings from '/wxbox-client-432cad19da309f9d.js';
-const wasm = await init({ module_or_path: '/wxbox-client-432cad19da309f9d_bg.wasm' });
+import init, * as bindings from '/wxbox-client-80142735797f0966.js';
+const wasm = await init({ module_or_path: '/wxbox-client-80142735797f0966_bg.wasm' });
 
 
 window.wasmBindings = bindings;
diff --git a/crates/client/dist/wxbox-client-432cad19da309f9d_bg.wasm b/crates/client/dist/wxbox-client-432cad19da309f9d_bg.wasm
deleted file mode 100644
index 063f646..0000000
Binary files a/crates/client/dist/wxbox-client-432cad19da309f9d_bg.wasm and /dev/null differ
diff --git a/crates/client/dist/wxbox-client-432cad19da309f9d.js b/crates/client/dist/wxbox-client-80142735797f0966.js
similarity index 96%
rename from crates/client/dist/wxbox-client-432cad19da309f9d.js
rename to crates/client/dist/wxbox-client-80142735797f0966.js
index 8a58058..dc57a34 100644
--- a/crates/client/dist/wxbox-client-432cad19da309f9d.js
+++ b/crates/client/dist/wxbox-client-80142735797f0966.js
@@ -212,7 +212,7 @@ function debugString(val) {
     return className;
 }
 function __wbg_adapter_32(arg0, arg1, arg2) {
-    wasm.closure1007_externref_shim(arg0, arg1, arg2);
+    wasm.closure72_externref_shim(arg0, arg1, arg2);
 }
 
 function takeFromExternrefTable0(idx) {
@@ -220,17 +220,13 @@ function takeFromExternrefTable0(idx) {
     wasm.__externref_table_dealloc(idx);
     return value;
 }
-function __wbg_adapter_35(arg0, arg1) {
-    const ret = wasm._dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h099b1487e92de126_multivalue_shim(arg0, arg1);
+function __wbg_adapter_37(arg0, arg1) {
+    const ret = wasm._dyn_core__ops__function__FnMut_____Output___R_as_wasm_bindgen__closure__WasmClosure___describe__invoke__h0fb7ada914653eaa_multivalue_shim(arg0, arg1);
     if (ret[1]) {
         throw takeFromExternrefTable0(ret[0]);
     }
 }
 
-function __wbg_adapter_40(arg0, arg1, arg2) {
-    wasm.closure1693_externref_shim(arg0, arg1, arg2);
-}
-
 /**
  * Chroma subsampling format
  * @enum {0 | 1 | 2 | 3}
@@ -1170,34 +1166,10 @@ function __wbg_get_imports() {
         const ret = new Function(getStringFromWasm0(arg0, arg1));
         return ret;
     };
-    imports.wbg.__wbg_newwithbyteoffsetandlength_4b01f207bed23fc0 = function(arg0, arg1, arg2) {
-        const ret = new Int8Array(arg0, arg1 >>> 0, arg2 >>> 0);
-        return ret;
-    };
-    imports.wbg.__wbg_newwithbyteoffsetandlength_5910bdf845a168eb = function(arg0, arg1, arg2) {
-        const ret = new Uint32Array(arg0, arg1 >>> 0, arg2 >>> 0);
-        return ret;
-    };
-    imports.wbg.__wbg_newwithbyteoffsetandlength_6991ab0478cc4a43 = function(arg0, arg1, arg2) {
-        const ret = new Int32Array(arg0, arg1 >>> 0, arg2 >>> 0);
-        return ret;
-    };
-    imports.wbg.__wbg_newwithbyteoffsetandlength_69ec77b20853ae02 = function(arg0, arg1, arg2) {
-        const ret = new Uint16Array(arg0, arg1 >>> 0, arg2 >>> 0);
-        return ret;
-    };
-    imports.wbg.__wbg_newwithbyteoffsetandlength_b0192e1adfca2df1 = function(arg0, arg1, arg2) {
-        const ret = new Int16Array(arg0, arg1 >>> 0, arg2 >>> 0);
-        return ret;
-    };
     imports.wbg.__wbg_newwithbyteoffsetandlength_ba35896968751d91 = function(arg0, arg1, arg2) {
         const ret = new Uint8Array(arg0, arg1 >>> 0, arg2 >>> 0);
         return ret;
     };
-    imports.wbg.__wbg_newwithbyteoffsetandlength_f113a96374814bb2 = function(arg0, arg1, arg2) {
-        const ret = new Float32Array(arg0, arg1 >>> 0, arg2 >>> 0);
-        return ret;
-    };
     imports.wbg.__wbg_newwithrecordfromstrtoblobpromise_43dee664be2df4ab = function() { return handleError(function (arg0) {
         const ret = new ClipboardItem(arg0);
         return ret;
@@ -1305,9 +1277,6 @@ function __wbg_get_imports() {
     imports.wbg.__wbg_readPixels_33f7af7601585ec6 = function() { return handleError(function (arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {
         arg0.readPixels(arg1, arg2, arg3, arg4, arg5 >>> 0, arg6 >>> 0, arg7);
     }, arguments) };
-    imports.wbg.__wbg_readPixels_bc526324b691316a = function() { return handleError(function (arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {
-        arg0.readPixels(arg1, arg2, arg3, arg4, arg5 >>> 0, arg6 >>> 0, arg7);
-    }, arguments) };
     imports.wbg.__wbg_readPixels_ca434c18552fc5bc = function() { return handleError(function (arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7) {
         arg0.readPixels(arg1, arg2, arg3, arg4, arg5 >>> 0, arg6 >>> 0, arg7);
     }, arguments) };
@@ -1497,9 +1466,6 @@ function __wbg_get_imports() {
     imports.wbg.__wbg_texParameteri_d550886a76f21258 = function(arg0, arg1, arg2, arg3) {
         arg0.texParameteri(arg1 >>> 0, arg2 >>> 0, arg3);
     };
-    imports.wbg.__wbg_texSubImage2D_0eeb9856a37cc769 = function() { return handleError(function (arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9) {
-        arg0.texSubImage2D(arg1 >>> 0, arg2, arg3, arg4, arg5, arg6, arg7 >>> 0, arg8 >>> 0, arg9);
-    }, arguments) };
     imports.wbg.__wbg_texSubImage2D_355ed8d7c2b07c22 = function() { return handleError(function (arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7, arg8, arg9) {
         arg0.texSubImage2D(arg1 >>> 0, arg2, arg3, arg4, arg5, arg6, arg7 >>> 0, arg8 >>> 0, arg9);
     }, arguments) };
@@ -1633,20 +1599,20 @@ function __wbg_get_imports() {
         const ret = false;
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper3643 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1008, __wbg_adapter_32);
+    imports.wbg.__wbindgen_closure_wrapper2730 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 73, __wbg_adapter_32);
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper3645 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1008, __wbg_adapter_35);
+    imports.wbg.__wbindgen_closure_wrapper633 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 73, __wbg_adapter_32);
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper3647 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1008, __wbg_adapter_32);
+    imports.wbg.__wbindgen_closure_wrapper635 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 73, __wbg_adapter_32);
         return ret;
     };
-    imports.wbg.__wbindgen_closure_wrapper6224 = function(arg0, arg1, arg2) {
-        const ret = makeMutClosure(arg0, arg1, 1694, __wbg_adapter_40);
+    imports.wbg.__wbindgen_closure_wrapper841 = function(arg0, arg1, arg2) {
+        const ret = makeMutClosure(arg0, arg1, 73, __wbg_adapter_37);
         return ret;
     };
     imports.wbg.__wbindgen_debug_string = function(arg0, arg1) {
diff --git a/crates/client/dist/wxbox-client-80142735797f0966_bg.wasm b/crates/client/dist/wxbox-client-80142735797f0966_bg.wasm
new file mode 100644
index 0000000..2625370
Binary files /dev/null and b/crates/client/dist/wxbox-client-80142735797f0966_bg.wasm differ
diff --git a/crates/client/src/map.rs b/crates/client/src/map.rs
index 4bfb6e5..ab035e3 100644
--- a/crates/client/src/map.rs
+++ b/crates/client/src/map.rs
@@ -38,7 +38,7 @@ impl Map {
         })
     }
     pub fn process_input(&mut self, ctx: &egui::Context, ui: &mut Ui, rect: Rect, response: egui::Response) {
-        let xy_delta = response.drag_motion();
+        let xy_delta = response.drag_delta();
         let z_delta = if ui.rect_contains_pointer(rect) {
             ctx.input(|i| {
                 let mut yd_sum = 0.0;
@@ -59,8 +59,23 @@ impl Map {
             })
         } else { 0.0 };
 
-        self.lat += xy_delta.y as f64 * 0.0005;
-        self.long -= xy_delta.x as f64 * 0.0005;
+        let n = 2.0_f64.powf(self.zoom);
+        let x = self.long.to_radians();
+        let y = ((self.lat.to_radians()).tan()).asinh();
+        let x = (1.0 + (x / std::f64::consts::PI)) / 2.0;
+        let y = (1.0 - (y / std::f64::consts::PI)) / 2.0;
+        let mut x = x * n;
+        let mut y = y * n;
+
+        x -= xy_delta.x as f64 * 1.0 / 256.0;
+        y -= xy_delta.y as f64 * 1.0 / 256.0;
+
+        let long_deg = x / n * 360.0 - 180.0;
+        let lat_rad = (std::f64::consts::PI * (1.0 - 2.0 * y / n)).sinh().atan();
+        let lat_deg = lat_rad * 180.0 / std::f64::consts::PI;
+
+        self.long = long_deg;
+        self.lat = lat_deg;
 
         if !self.allow_nonint_zoom {
             if z_delta < 0.0 {
@@ -114,7 +129,6 @@ impl Map {
     fn load_tiles(&mut self, ctx: &egui::Context, viewport_width: usize, viewport_height: usize) -> Tileset {
         // lat, long is top left
         // tiles are rendered at 256x256. how many can we fit?
-        debug!("viewport is {}px, we can render {}", viewport_width, viewport_width / 256);
         let tiles_x = (viewport_width as f32 / 256.0).ceil() as isize + 1;
         let tiles_y = (viewport_height as f32 / 256.0).ceil() as isize + 1;
 
diff --git a/crates/client/src/map/render.rs b/crates/client/src/map/render.rs
index b5065ff..56c3247 100644
--- a/crates/client/src/map/render.rs
+++ b/crates/client/src/map/render.rs
@@ -199,7 +199,6 @@ impl MapRender {
                 let transform = nalgebra_glm::scale(&transform, &nalgebra_glm::vec3(tileset.zoom, tileset.zoom, 1.0));
 
 
-                debug!("zoom factor: {}", tileset.zoom);
 
                 // screenspace-ify:
                 // map to 0 to 1 space
diff --git a/crates/grib2/src/lib.rs b/crates/grib2/src/lib.rs
index 694623d..be571f8 100644
--- a/crates/grib2/src/lib.rs
+++ b/crates/grib2/src/lib.rs
@@ -109,7 +109,6 @@ impl GribMessage {
         let bitmap = bitmap.ok_or(GribError::MissingBitmap)?;
         let data = data.ok_or(GribError::MissingData)?;
 
-        debug!("{:?}", data_representation);
 
         data_representation.load_data(data.data.clone())?;
 
diff --git a/crates/tiler/src/sources/grib2.rs b/crates/tiler/src/sources/grib2.rs
index 21d0ef9..f4c5a90 100644
--- a/crates/tiler/src/sources/grib2.rs
+++ b/crates/tiler/src/sources/grib2.rs
@@ -376,7 +376,6 @@ pub async fn source(
         }
         map
     } else {
-        debug!("not found baselayer");
         return HttpResponse::new(StatusCode::NOT_FOUND);
     };
 
@@ -416,15 +415,12 @@ pub async fn source(
                 )
                 .await
             } else {
-                debug!("not found grib2 after reload in base cache");
                 return HttpResponse::new(StatusCode::NOT_FOUND);
             }
         } else {
-            debug!("not found grib2 in configuration");
             return HttpResponse::new(StatusCode::NOT_FOUND);
         }
     } else {
-        debug!("not found datalayer registry");
         return HttpResponse::new(StatusCode::NOT_FOUND);
     };
 
