fixed save png orthographic plot

Author: archmoj

package-lock.json

@@ -80,7 +80,7 @@
     "gl-mat4": "^1.2.0",
     "gl-mesh3d": "^2.0.7",
     "gl-plot2d": "^1.4.2",
-    "gl-plot3d": "git://github.com/gl-vis/gl-plot3d.git#827c18c2510f678e91cc680d5886f9ca523051b4",
+    "gl-plot3d": "git://github.com/gl-vis/gl-plot3d.git#3d0ac91d13e879e207b3311940f4696cbb36aaa7",
     "gl-pointcloud2d": "^1.0.2",
     "gl-scatter3d": "^1.1.6",
     "gl-select-box": "^1.0.3",

package.json

@@ -350,13 +350,13 @@ var proto = Scene.prototype;
 proto.initializeGLCamera = function() {
 
     var cameraData = this.fullSceneLayout.camera;
-    var ortho = (cameraData.projection && cameraData.projection.type === 'orthographic');
+    var isOrtho = (cameraData.projection && cameraData.projection.type === 'orthographic');
 
     this.camera = createCamera(this.container, {
         center: [cameraData.center.x, cameraData.center.y, cameraData.center.z],
         eye: [cameraData.eye.x, cameraData.eye.y, cameraData.eye.z],
         up: [cameraData.up.x, cameraData.up.y, cameraData.up.z],
-        ortho: ortho,
+        _ortho: isOrtho,
         zoomMin: 0.01,
         zoomMax: 100,
         mode: 'orbit'
@@ -747,11 +747,19 @@ function getOrbitCamera(camera) {
 // getLayoutCamera :: orbit_camera_coords -> plotly_coords
 // inverse of getOrbitCamera
 function getLayoutCamera(camera) {
+    var cameraProjectionType;
+    if(camera._ortho === false) { cameraProjectionType = 'perspective'; }
+    else if(camera._ortho === true) { cameraProjectionType = 'orthographic'; }
+    else {
+        cameraProjectionType = (camera.projection && camera.projection.type === 'orthographic') ?
+        'orthographic' : 'perspective';
+    }
+
     return {
         up: {x: camera.up[0], y: camera.up[1], z: camera.up[2]},
         center: {x: camera.center[0], y: camera.center[1], z: camera.center[2]},
         eye: {x: camera.eye[0], y: camera.eye[1], z: camera.eye[2]},
-        projection: {type: (camera.projection && camera.projection.type === 'orthographic') ? 'orthographic' : 'perspective'}
+        projection: {type: cameraProjectionType}
     };
 }