From 0f24f5ea8ce51f72b78c2fb1c4c8b4b2bf6c9370 Mon Sep 17 00:00:00 2001
From: Manuel Grizonnet <manuel.grizonnet@gmail.com>
Date: Tue, 13 Apr 2010 15:24:43 +0200
Subject: [PATCH] ENH:add translation from depth to scale in TileMapIO
---
Code/IO/otbTileMapImageIO.cxx | 66 +++++++++++++++++++++++++++++++++++
Code/IO/otbTileMapImageIO.h | 4 ++-
2 files changed, 69 insertions(+), 1 deletion(-)
diff --git a/Code/IO/otbTileMapImageIO.cxx b/Code/IO/otbTileMapImageIO.cxx
index 1fab93ff55..9081c7e617 100644
--- a/Code/IO/otbTileMapImageIO.cxx
+++ b/Code/IO/otbTileMapImageIO.cxx
@@ -927,6 +927,72 @@ int TileMapImageIO::XYToQuadTree2(double x, double y, std::ostringstream& quad)
return 0;
}
+/** get scale rfom depth */
+const std::string TileMapImageIO::ConvertDepthToScale(const unsigned int depth) const
+{
+ switch (depth)
+ {
+ case 1:
+ return "1 : 222 million";
+ break;
+ case 2:
+ return "1 : 111 million";
+ break;
+ case 3:
+ return "1 : 55 million";
+ break;
+ case 4:
+ return "1 : 28 million";
+ break;
+ case 5:
+ return "1 : 14 million";
+ break;
+ case 6:
+ return "1 : 7 million";
+ break;
+ case 7:
+ return "1 : 3 million";
+ break;
+ case 8:
+ return "1 : 2 million";
+ break;
+ case 9:
+ return "1 : 867,000";
+ break;
+ case 10:
+ return "1 : 433,000";
+ break;
+ case 11:
+ return "1 : 217,000";
+ break;
+ case 12:
+ return "1 : 108,000";
+ break;
+ case 13:
+ return "1 : 54,000";
+ break;
+ case 14:
+ return "1 : 27,000";
+ break;
+ case 15:
+ return "1 : 14,000";
+ break;
+ case 16:
+ return "1 : 6,771";
+ break;
+ case 17:
+ return "1 : 3,385";
+ break;
+ case 18:
+ return "1 : 1,693";
+ break;
+ default:
+ return "1 : 222 million";
+ break;
+ }
+
+}
+
unsigned int
TileMapImageIO::GetActualNumberOfSplitsForWritingCanStreamWrite(unsigned int numberOfRequestedSplits,
const ImageIORegion& pasteRegion) const
diff --git a/Code/IO/otbTileMapImageIO.h b/Code/IO/otbTileMapImageIO.h
index dfc0065b5e..a03ff15fd5 100644
--- a/Code/IO/otbTileMapImageIO.h
+++ b/Code/IO/otbTileMapImageIO.h
@@ -141,6 +141,8 @@ public:
* that the IORegion has been set properly. */
virtual void Write(const void* buffer);
+ /** Correspondance between depth and scale for the quad tree paradigm*/
+ virtual const std::string ConvertDepthToScale(const unsigned int depth) const;
protected:
/** Constructor.*/
TileMapImageIO();
@@ -186,7 +188,7 @@ private:
void FillCacheFaults(void* buffer) const;
int XYToQuadTree(double x, double y, std::ostringstream& quad) const;
int XYToQuadTree2(double x, double y, std::ostringstream& quad) const;
-
+
/** CURL Multi */
void GenerateTileInfo(double x, double y, int numTileX, int numTileY);
bool CanReadFromCache(std::string filename);
--
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