Added defaultzoom config option

overviewer_core/settingsDefinition.py

@@ -71,6 +71,7 @@ renders = Setting(required=True, default=util.OrderedDict(),
             "imgformat": Setting(required=True, validator=validateImgFormat, default="png"),
             "imgquality": Setting(required=False, validator=validateImgQuality, default=95),
             "bgcolor": Setting(required=True, validator=validateBGColor, default="1a1a1a"),
+            "defaultzoom": Setting(required=True, validator=validateDefaultZoom, default=1),
             "optimizeimg": Setting(required=True, validator=validateOptImg, default=0),
             "nomarkers": Setting(required=False, validator=validateBool, default=None),
             "texturepath": Setting(required=False, validator=validateTexturePath, default=None),

overviewer_core/settingsValidators.py

@@ -208,6 +208,12 @@ def validateObserver(observer):
     else:
         raise ValidationException("%r does not look like an observer" % repr(observer))
 
+def validateDefaultZoom(z):
+    if z > 0:
+        return int(z)
+    else:
+        raise ValidationException("The default zoom is set below 1")
+
 def make_dictValidator(keyvalidator, valuevalidator):
     """Compose and return a dict validator -- a validator that validates each
     key and value in a dictionary.

overviewer_core/tileset.py

@@ -517,7 +517,7 @@ class TileSet(object):
         d = dict(name = self.options.get('title'),
                 zoomLevels = self.treedepth,
                 minZoom = 0,
-                defaultZoom = 1,
+                defaultZoom = self.options.get('defaultzoom'),
                 maxZoom = self.treedepth,
                 path = self.options.get('name'),
                 base = self.options.get('base'),
@@ -528,6 +528,7 @@ class TileSet(object):
                 imgextension = self.imgextension,
                 isOverlay = isOverlay
                 )
+
         if isOverlay:
             d.update({"tilesets": self.options.get("overlay")})