{"created":"2025-01-18T22:59:46.974709+00:00","updated":"2025-01-22T17:13:25.239411+00:00","metadata":{"_oai":{"id":"oai:ipsj.ixsq.nii.ac.jp:00030103","sets":["1164:2240:2357:2359"]},"path":["2359"],"owner":"1","recid":"30103","title":["デジタルマップ・システム(震研地図システム)作成に於ける数値計算上の諸問題"],"pubdate":{"attribute_name":"公開日","attribute_value":"1987-09-19"},"_buckets":{"deposit":"4eaa5e6d-1f5d-47a6-a6ec-f3891333206f"},"_deposit":{"id":"30103","pid":{"type":"depid","value":"30103","revision_id":0},"owners":[1],"status":"published","created_by":1},"item_title":"デジタルマップ・システム(震研地図システム)作成に於ける数値計算上の諸問題","author_link":["0","0"],"item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"デジタルマップ・システム(震研地図システム)作成に於ける数値計算上の諸問題"},{"subitem_title":"Some Numerical Problems in Map Management System (in Japanese)","subitem_title_language":"en"}]},"item_type_id":"4","publish_date":"1987-09-19","item_4_text_3":{"attribute_name":"著者所属","attribute_value_mlt":[{"subitem_text_value":"東京大学 地震研究所"}]},"item_4_text_4":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_value":"Earthquake Research Institute, the University of Tokyo","subitem_text_language":"en"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"jpn"}]},"item_publisher":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"情報処理学会","subitem_publisher_language":"ja"}]},"publish_status":"0","weko_shared_id":-1,"item_file_price":{"attribute_name":"Billing file","attribute_type":"file","attribute_value_mlt":[{"url":{"url":"https://ipsj.ixsq.nii.ac.jp/record/30103/files/IPSJ-HPC87022002.pdf"},"date":[{"dateType":"Available","dateValue":"1989-09-19"}],"format":"application/pdf","billing":["billing_file"],"filename":"IPSJ-HPC87022002.pdf","filesize":[{"value":"1.0 MB"}],"mimetype":"application/pdf","priceinfo":[{"tax":["include_tax"],"price":"660","billingrole":"5"},{"tax":["include_tax"],"price":"330","billingrole":"6"},{"tax":["include_tax"],"price":"0","billingrole":"14"},{"tax":["include_tax"],"price":"0","billingrole":"44"}],"accessrole":"open_date","version_id":"50c07a09-24d5-46a8-b508-47afb645ea8d","displaytype":"detail","licensetype":"license_note","license_note":"Copyright (c) 1987 by the Information Processing Society of Japan"}]},"item_4_creator_5":{"attribute_name":"著者名","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"桧山, 澄子"}],"nameIdentifiers":[{}]}]},"item_4_creator_6":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Sumiko, Hiyama","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"item_4_source_id_9":{"attribute_name":"書誌レコードID","attribute_value_mlt":[{"subitem_source_identifier":"AN10463942","subitem_source_identifier_type":"NCID"}]},"item_4_textarea_12":{"attribute_name":"Notice","attribute_value_mlt":[{"subitem_textarea_value":"SIG Technical Reports are nonrefereed and hence may later appear in any journals, conferences, symposia, etc."}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourceuri":"http://purl.org/coar/resource_type/c_18gh","resourcetype":"technical report"}]},"item_4_description_7":{"attribute_name":"論文抄録","attribute_value_mlt":[{"subitem_description":"数値データにによる地図システを作成してわかった次の2件についてのべる。1)UTM法または新日本座標でかかれている地図から、経緯度の地図データを作るには、平面直角座標から、経緯度座標への変換が必要になる。この変換式の漸近展開式の打切り誤差を評価した結果、0.01\"までの精度を得るには、5次までの項を計算すれば十分である。2)地図データを経緯度で保有する場合、利用する地図の範囲に応じて上位桁を取り去り、有効桁数の多い形で整備すれば、種々の点で効率がよい。","subitem_description_type":"Other"}]},"item_4_description_8":{"attribute_name":"論文抄録(英)","attribute_value_mlt":[{"subitem_description":"During the employment of our map managrment sysyem (Mapping Information System of Earthquake Research Institute), we found several problems to be solved. One is how to transform UTM coordinates into geodetic ones accurately. Error estimations were carried out and proved that we could neglect terms of more than degree 6 in their asymptotic expansion series within the error of 0.01\". Another is how to keep position data in latitude and longitude. In usual case, considering area is not so large and first some digits of the data are same. So, the most effective way is to keep them in the form in which first useless digits are omitted and add significant digits in the end.","subitem_description_type":"Other"}]},"item_4_biblio_info_10":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicPageEnd":"9","bibliographic_titles":[{"bibliographic_title":"情報処理学会研究報告ハイパフォーマンスコンピューティング(HPC)"}],"bibliographicPageStart":"1","bibliographicIssueDates":{"bibliographicIssueDate":"1987-09-19","bibliographicIssueDateType":"Issued"},"bibliographicIssueNumber":"64(1987-HPC-022)","bibliographicVolumeNumber":"1987"}]},"relation_version_is_last":true,"weko_creator_id":"1"},"id":30103,"links":{}}