Openness
GTB.Openness History
Hide minor edits - Show changes to output
November 11, 2009, at 09:21 AM
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Deleted line 5:
Input Data - Elevation
November 11, 2009, at 09:17 AM
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Changed lines 6-8 from:
to:
Input Data - Elevation
%width=80pct% http://www.ai-relief.org//functions/terrain/elevres/elevation.jpg%%
%width=80pct% http://www.ai-relief.org//functions/terrain/elevres/elevation.jpg%%
Changed lines 11-14 from:
Command Call window with Window Size set to 5 (Default Window Size is 5 if # is specified)
Window Size for Analysis: Any number up to 9 can be specifified, larger areas can be handled as well - contact author.
Window Size for Analysis: Any number up to 9 can be specifified, larger areas can be handled as well - contact author.
to:
Command Call window with Window Size set to 5 (Default Window Size is 5 if # is specified)
%width=80pct% http://www.ai-relief.org//functions/terrain/openness/command_openness.jpg
Window Size for Analysis: Any number up to 9 can be specifified (means the total windows spans up to 18 pixels around the pixel under consideration)
Larger areas could theoretically be handled as well - but i would need to reprogramm this part - contact author.
%width=80pct% http://www.ai-relief.org//functions/terrain/openness/command_openness.jpg
Window Size for Analysis: Any number up to 9 can be specifified (means the total windows spans up to 18 pixels around the pixel under consideration)
Larger areas could theoretically be handled as well - but i would need to reprogramm this part - contact author.
Changed lines 22-23 from:
Negative Openness with Window Size set to 5
to:
%width=80pct% http://www.ai-relief.org//functions/terrain/openness/openness_pos.jpg
Negative Openness with Window Size set to 5
%width=80pct% http://www.ai-relief.org//functions/terrain/openness/openness_neg.jpg
Negative Openness with Window Size set to 5
%width=80pct% http://www.ai-relief.org//functions/terrain/openness/openness_neg.jpg
November 11, 2009, at 08:55 AM
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Changed line 1 from:
Elevation analysis computing the Openness Parameters as proposed by Yokohama et al 2002
to:
Elevation analysis computing the Openness Parameters as proposed by Ryuzo Yokoyama, Mlchlo Shlrasawa, and Richard J. Pike (2002) Visualizing Topography by Openness: A New Application of Image Processing to Digital Elevation Models; Photogrammetric Engineering & Remote Sensing Vol. 68, No. 3, March 2002, pp. 257-265.
November 11, 2009, at 08:54 AM
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Added lines 1-17:
Elevation analysis computing the Openness Parameters as proposed by Yokohama et al 2002
INPUT
Input Data - Elevation
COMMAND
Command Call window with Window Size set to 5 (Default Window Size is 5 if # is specified)
Window Size for Analysis: Any number up to 9 can be specifified, larger areas can be handled as well - contact author.
RESULTS
Positive Openness with Window Size set to 5
Negative Openness with Window Size set to 5
INPUT
Input Data - Elevation
COMMAND
Command Call window with Window Size set to 5 (Default Window Size is 5 if # is specified)
Window Size for Analysis: Any number up to 9 can be specifified, larger areas can be handled as well - contact author.
RESULTS
Positive Openness with Window Size set to 5
Negative Openness with Window Size set to 5