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チャンネルビューに等高線表示を追加する #30

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tshino opened this issue Nov 5, 2017 · 1 comment
Open

チャンネルビューに等高線表示を追加する #30

tshino opened this issue Nov 5, 2017 · 1 comment

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@tshino
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tshino commented Nov 5, 2017 •
edited

チャンネルビュー（#27）で特定のチャンネル画像を表示する際、地図の等高線と同じような「階調の等高線」を重ねて表示する機能を追加する。

階調の勾配や絶対値を観察したいときに便利なはず。
tshino added a commit that referenced this issue Nov 6, 2017
@tshino
Small refactoring #30
91693cc
tshino added a commit that referenced this issue Nov 8, 2017
@tshino
Small refactoring #30
947df39
tshino added a commit that referenced this issue Nov 8, 2017
@tshino
Add contour display WIP #30
dd380e8
tshino added a commit that referenced this issue Nov 29, 2017
@tshino
Implement contour display function WIP #30
58c562e
tshino added a commit that referenced this issue Dec 3, 2017
@tshino
WIP Implement contour display function #30
ca82fc3
tshino added a commit that referenced this issue Dec 4, 2017
@tshino
Optimize makeContour() #30
19e80a4
tshino added a commit that referenced this issue Dec 5, 2017
@tshino
Optimize makeContour(); minimize path's d attribute #30
188685f
@tshino
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tshino commented Dec 6, 2017

等高線をインラインSVGとして画像に重ねる方法で実装してみましたが、ズームしたときに再描画が異常に重くなる問題が発覚。SVGを最適化する程度では解決しなかったので、別の実装方法を試します。
つづく。。

tshino added a commit that referenced this issue Dec 6, 2017
@tshino
Assign shortcut key for toggle contour #30
1cbcfaf
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@tshino