Update app.py

app.py

@@ -357,7 +357,7 @@ with gr.Blocks(css=css) as demo:
                 BABYLON.Engine.LastCreatedScene.getNodes()[1].rotation.y = 0;
               }
               try {
-              BABYLON.Engine.LastCreatedScene.activeCamera.radius = 255;
+              BABYLON.Engine.LastCreatedScene.activeCamera.radius = -255;
               var tg = new BABYLON.Vector3(BABYLON.Engine.LastCreatedScene.activeCamera.position.x, BABYLON.Engine.LastCreatedScene.activeCamera.position.y, BABYLON.Engine.LastCreatedScene.activeCamera.position.z);
               BABYLON.Engine.LastCreatedScene.activeCamera.radius = 0;
               
@@ -407,7 +407,7 @@ with gr.Blocks(css=css) as demo:
                     BABYLON.Tools.CreateScreenshotUsingRenderTarget(BABYLON.Engine.LastCreatedScene.getEngine(), BABYLON.Engine.LastCreatedScene.activeCamera, 
                       { width: 1024 }, (durl) => { 
                         document.getElementById(\"img_out\").onload = function() {
-                          var svgd = `<svg id=\"svg_out\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">
+                          var svgd = `<svg id=\"svg_out\" viewBox=\"0 0 ` + document.getElementById(\"img_out\").width + ` ` + document.getElementById(\"img_out\").height + `\" xmlns=\"http://www.w3.org/2000/svg\" xmlns:xlink=\"http://www.w3.org/1999/xlink\">
                             <defs>
                               <filter id=\"blur\" x=\"0\" y=\"0\" xmlns=\"http://www.w3.org/2000/svg\">
                                 <feGaussianBlur in=\"SourceGraphic\" stdDeviation=\"` + BABYLON.Engine.LastCreatedScene.getNodes()[1].material.pointSize/Math.sqrt(2.0) + `\" />