[Qgis-user] Black box appears when using Natural Neighbor interpolation

[ৰক্তিম ৰমেন দাস]

Hello All

I am trying to follow a tutorial "*Make DEM and Contours from Google Earth*
".
I have successfully converted the points into a text file in GPS
visualizer.
After loading the  GPS logged text file in QGIS, I go for the natural
neighbor,
but once I run the algorithm, I am only returned by a black box rather than
a layer. Can anyone suggest me what is going on.

Sincerely
Rocktim

-- 
*Rocktim Ramen Das*
Research Student
Sesoko Station
Tropical Biosphere Research Center
University of the Ryukyus
3422 Sesoko, Motobu, Okinawa 905-0227, Japan

ロックティム・ラーメン・ダス 研究生
〒905-0227 沖縄県国頭郡本部町字瀬底3422
琉球大学熱帯生物圏研究センター瀬底研究施設
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