大きなラスターの一部を抽出しました。ファイルはArcGISの外ではフルカラーで表示されますが、ArcMapやProにインポートすると、カラー／全バンドで表示するように設定しているにもかかわらず白黒で表示されます。<\/P>
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これまでのところ、Catalogで統計の再計算を試みました。<\/P>
ありがとうございます<\/P>
Gavin<\/P><\/BODY><\/HTML>
Hi,the file is just fine 🙂 But you should recreate the overviews - they seem to be corrupt - and make sure the file is interpreted as "processed" and not stretched when loaded:
So proceed like this:
Go to the folder you stored the data in and delete the *.ovr file
In Catalog /(or Folder view in Pro) open the properties of the dataset and define the source type as "Processed".
In Catalog /(or Folder view in Pro) open the properties of the dataset and REMOVE the NOData value (set to 255,255,255) to be empty.
Now right-click the image again and create new Pyramids - Nearest Neighbor/LZ77 works fine for this dataWhen adding it to the display now, everything should be fine and since you did Nearest/LZ77 you can still set 255,255,255 background color to be transparent (in the Symbology of the layer) and it will look fine on all levels. I attached the result
RegardsGuenter
I've been having the same problem: Raster images display B&W in ArcMap when they are in fact color.
The solution was Guenter's first one: stretching. Go into Layer Properties>Symbology. Select RGB Composite. Duh you knew all that, why is it still B&W? There is a second place where stretching is applied. Under RGB, set Stretch type equal to none and uncheck 'Apply gamma Stretch'. Not exactly hidden but not immediately obvious.
(I am on 10.2.2)
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