https://grasswiki.osgeo.org/w/index.php?title=Importing_large_GADM_vector_data&feed=atom&action=history
Importing large GADM vector data - Revision history
2024-03-29T05:03:07Z
Revision history for this page on the wiki
MediaWiki 1.41.0
https://grasswiki.osgeo.org/w/index.php?title=Importing_large_GADM_vector_data&diff=23560&oldid=prev
Neteler: Neteler moved page Importing large vector data to Importing large GADM vector data: more meaningful title
2016-09-18T20:05:08Z
<p>Neteler moved page <a href="/wiki/Importing_large_vector_data" class="mw-redirect" title="Importing large vector data">Importing large vector data</a> to <a href="/wiki/Importing_large_GADM_vector_data" title="Importing large GADM vector data">Importing large GADM vector data</a>: more meaningful title</p>
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Neteler
https://grasswiki.osgeo.org/w/index.php?title=Importing_large_GADM_vector_data&diff=20061&oldid=prev
Neteler at 18:05, 31 December 2013
2013-12-31T18:05:08Z
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Neteler
https://grasswiki.osgeo.org/w/index.php?title=Importing_large_GADM_vector_data&diff=18827&oldid=prev
Neteler: +category
2013-06-02T19:48:55Z
<p>+category</p>
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Neteler
https://grasswiki.osgeo.org/w/index.php?title=Importing_large_GADM_vector_data&diff=17828&oldid=prev
⚠️Wenzeslaus at 14:13, 11 February 2013
2013-02-11T14:13:35Z
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:13, 11 February 2013</td>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>Important: You should use the improved [http://grass.osgeo.org/download/software/ GRASS GIS 7] for the import of large vector data, because the import may not work with GRASS GIS 6.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>Important: You should use the improved [http://grass.osgeo.org/download/software/ GRASS GIS 7] for the import of large vector data, because the import may not work with GRASS GIS 6<ins style="font-weight: bold; text-decoration: none;">. To be able to use imported data in GRASS GIS 6, just rebuild vector topology (e.g., {{cmd|v.build}})</ins>.</div></td></tr>
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⚠️Wenzeslaus
https://grasswiki.osgeo.org/w/index.php?title=Importing_large_GADM_vector_data&diff=17826&oldid=prev
Neteler: wording, +download url
2013-02-11T12:53:48Z
<p>wording, +download url</p>
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<td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:53, 11 February 2013</td>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''Q:''' How do I import very large data <del style="font-weight: bold; text-decoration: none;">in </del>GRASS? I.e. from [http://www.gadm.org/ GADM] <del style="font-weight: bold; text-decoration: none;"><br\></del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''Q:''' How do I import very large data <ins style="font-weight: bold; text-decoration: none;">into </ins>GRASS <ins style="font-weight: bold; text-decoration: none;">GIS</ins>? I.e. from [http://www.gadm.org/ GADM]</div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">'''A:''' In contrast to GADM v1, GADM v2 contains a lot of floating point representation errors in the coordinates, most probably created by the software used to create GADM v2. You need to perform additional cleaning with snapping to a very small threshold, i.e. </del></div></td><td colspan="2" class="diff-side-added"></td></tr>
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<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;"> v</del>.<del style="font-weight: bold; text-decoration: none;">in</del>.<del style="font-weight: bold; text-decoration: none;">ogr snap=1e-7</del></div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">'''A:''' In contrast to the older GADM v1, GADM v2 contains a lot of ''floating point representation errors'' in the coordinates, most probably caused by the software used to create GADM v2</ins>. <ins style="font-weight: bold; text-decoration: none;">You need to perform additional cleaning with snapping to a very small threshold, i.e</ins>. </div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div><del style="font-weight: bold; text-decoration: none;">And you </del>should use GRASS 7 for the import of large vector data, because the import may not work with GRASS 6.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> v.in.ogr ... snap=1e-7</ins></div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">Important: You </ins>should use <ins style="font-weight: bold; text-decoration: none;">the improved [http://grass.osgeo.org/download/software/ </ins>GRASS <ins style="font-weight: bold; text-decoration: none;">GIS </ins>7<ins style="font-weight: bold; text-decoration: none;">] </ins>for the import of large vector data, because the import may not work with GRASS <ins style="font-weight: bold; text-decoration: none;">GIS </ins>6.</div></td></tr>
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Neteler
https://grasswiki.osgeo.org/w/index.php?title=Importing_large_GADM_vector_data&diff=17825&oldid=prev
⚠️Madi at 12:46, 11 February 2013
2013-02-11T12:46:45Z
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Q:''' How do I import very large data in GRASS? I.e. from [http://www.gadm.org/ GADM] <br\></div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>'''Q:''' How do I import very large data in GRASS? I.e. from [http://www.gadm.org/ GADM] <br\></div></td></tr>
<tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>'''A:''' In contrast to GADM v1, GADM v2 contains a lot of floating point representation errors in the coordinates, most probably created by the software used to create GADM v2. You need to perform additional cleaning with snapping to a very small threshold, i.e. v.in.ogr snap=1e-7<del style="font-weight: bold; text-decoration: none;">. </del>And you should use GRASS 7 for the import of large vector data, because the import may not work with GRASS 6.</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>'''A:''' In contrast to GADM v1, GADM v2 contains a lot of floating point representation errors in the coordinates, most probably created by the software used to create GADM v2. You need to perform additional cleaning with snapping to a very small threshold, i.e. </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"> </ins>v.in.ogr snap=1e-7</div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div> </div></td></tr>
<tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>And you should use GRASS 7 for the import of large vector data, because the import may not work with GRASS 6.</div></td></tr>
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<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category:FAQ]]</div></td></tr>
<tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category: massive data analysis]]</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Category: massive data analysis]]</div></td></tr>
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⚠️Madi
https://grasswiki.osgeo.org/w/index.php?title=Importing_large_GADM_vector_data&diff=17824&oldid=prev
⚠️Madi: Created page with "'''Q:''' How do I import very large data in GRASS? I.e. from [http://www.gadm.org/ GADM] <br\> '''A:''' In contrast to GADM v1, GADM v2 contains a lot of floating point repres..."
2013-02-11T12:45:11Z
<p>Created page with "'''Q:''' How do I import very large data in GRASS? I.e. from [http://www.gadm.org/ GADM] <br\> '''A:''' In contrast to GADM v1, GADM v2 contains a lot of floating point repres..."</p>
<p><b>New page</b></p><div>'''Q:''' How do I import very large data in GRASS? I.e. from [http://www.gadm.org/ GADM] <br\><br />
'''A:''' In contrast to GADM v1, GADM v2 contains a lot of floating point representation errors in the coordinates, most probably created by the software used to create GADM v2. You need to perform additional cleaning with snapping to a very small threshold, i.e. v.in.ogr snap=1e-7. And you should use GRASS 7 for the import of large vector data, because the import may not work with GRASS 6.<br />
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[[Category:FAQ]]<br />
[[Category: massive data analysis]]</div>
⚠️Madi