SedimentHydraulics https://blog.hatena.ne.jp/SedimentHydraulics/ 趣味で計算流砂水理 Computational Sediment Hydraulics for Fun Learning https://computational-sediment-hyd.hatenablog.jp/ R 河川横断測量成果では、下のように横断座標値の前に整数型のフラグがついています。 -0.200,-200.000,3.279,1.374,-9999.000,-9999.000,52,-9999.000,-9999.000,-9999.000,0.000,0,20121105,8101010001,天塩川水系,天塩川 0,-18.000,1.980 0,-9.800,2.040 0,-6.000,2.610 8,-3.400,2.910 0,-3.400,3.210 0,-1.200,3.300 2,0.000,3.280 1,0.000,3.279 13,1.800,3.280 0,1.800… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fcomputational-sediment-hyd.hatenablog.jp%2Fentry%2F2021%2F06%2F05%2F180000" title="河川横断測量成果のフラグの説明 - 趣味で計算流砂水理 Computational Sediment Hydraulics for Fun Learning " class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2021-06-05 18:00:00 rich https://computational-sediment-hyd.hatenablog.jp/entry/2021/06/05/180000 1.0 100%