Re: [talk-ph] Node density visualization
Nice! Node density increase from April 1, 2013 to June 30: http://wiki.openstreetmap.org/wiki/File:Philippines_node_density_increase_from_2013-06-30_to_2013-09-30.pnghttp://wiki.openstreetmap.org/w/images/d/d1/Philippines_node_density_increase_from_2013-04-01_to_2013-06-30.png The above link takes me to an older image. Correct link should be: http://wiki.openstreetmap.org/w/images/4/45/Philippines_node_density_increase_from_2013-06-30_to_2013-09-30.png Some observations: - There is a noticeable rectangle of activity around Metro Manila. I believe this is the waterways project Maning mentioned before: https://lists.openstreetmap.org/pipermail/talk-ph/2013-September/004595.html Yes, and we are not yet finished! -- cheers, maning -- Freedom is still the most radical idea of all -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ -- ___ talk-ph mailing list talk-ph@openstreetmap.org https://lists.openstreetmap.org/listinfo/talk-ph
Re: [talk-ph] Node density visualization
Hi guys, Here's the 2013 mid-year updated to the node density visualization. Absolute node density as of June 30, 2013: http://wiki.openstreetmap.org/w/images/8/82/Philippines_node_density_2013-06-30.png Node density increase from April 1, 2013 to June 30: http://wiki.openstreetmap.org/w/images/d/d1/Philippines_node_density_increase_from_2013-04-01_to_2013-06-30.png An area that had significant mapping is a portion of northwestern Cebu. Cebu now appears to be the most complete-looking major island right now in the Philippines. :-) Keep on mapping! On Wed, Apr 3, 2013 at 7:25 AM, Eugene Alvin Villar sea...@gmail.comwrote: Hi guys, Here's the 2013 1st quarter update to the node density visualizations. Absolute node density as of April 1, 2013: http://wiki.openstreetmap.org/wiki/File:Philippines_node_density_2013-04-01.png Node density increase from January 1, 2013 to April 1, 2013: http://wiki.openstreetmap.org/wiki/File:Philippines_node_density_increase_from_2013-01-01_to_2013-04-01.png Some of the places that have noticeable improvements include: - Cagayan Valley - northern Cebu (thanks to Totor) - Mindanao's Rio Grande rivers/tributaries (thanks to maning) - Camiguin (thanks to Schadow1) - eastern Mindanao, specifically the areas hit by Typhoon Pablo (thanks to HOT) Keep on mapping! On Wed, Jan 9, 2013 at 4:44 AM, Eugene Alvin Villar sea...@gmail.comwrote: Hi guys, Here's a new year update to the node density visualizations. Here is the absolute node density as of January 1, 2013: http://wiki.openstreetmap.org/w/images/f/f2/Philippines_node_density_2013-01-01.png And here's the node density increase comparing January 2, 2012 and January 1, 2013: http://wiki.openstreetmap.org/w/images/5/5b/Philippines_node_density_increase_from_2012-01-02_to_2013-01-01.png The increase in the number of nodes last year is pretty much distributed throughout the archipelago. The most number of increase is in the Quiapo area and this is due to maning's project there. Good work everyone! Let's make 2013 even better. :) ___ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
Re: [talk-ph] Node density visualization
Hi guys, Here's the 2013 1st quarter update to the node density visualizations. Absolute node density as of April 1, 2013: http://wiki.openstreetmap.org/wiki/File:Philippines_node_density_2013-04-01.png Node density increase from January 1, 2013 to April 1, 2013: http://wiki.openstreetmap.org/wiki/File:Philippines_node_density_increase_from_2013-01-01_to_2013-04-01.png Some of the places that have noticeable improvements include: - Cagayan Valley - northern Cebu (thanks to Totor) - Mindanao's Rio Grande rivers/tributaries (thanks to maning) - Camiguin (thanks to Schadow1) - eastern Mindanao, specifically the areas hit by Typhoon Pablo (thanks to HOT) Keep on mapping! On Wed, Jan 9, 2013 at 4:44 AM, Eugene Alvin Villar sea...@gmail.comwrote: Hi guys, Here's a new year update to the node density visualizations. Here is the absolute node density as of January 1, 2013: http://wiki.openstreetmap.org/w/images/f/f2/Philippines_node_density_2013-01-01.png And here's the node density increase comparing January 2, 2012 and January 1, 2013: http://wiki.openstreetmap.org/w/images/5/5b/Philippines_node_density_increase_from_2012-01-02_to_2013-01-01.png The increase in the number of nodes last year is pretty much distributed throughout the archipelago. The most number of increase is in the Quiapo area and this is due to maning's project there. Good work everyone! Let's make 2013 even better. :) ___ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
Re: [talk-ph] Node density visualization
Hi guys, Here's a new year update to the node density visualizations. Here is the absolute node density as of January 1, 2013: http://wiki.openstreetmap.org/w/images/f/f2/Philippines_node_density_2013-01-01.png And here's the node density increase comparing January 2, 2012 and January 1, 2013: http://wiki.openstreetmap.org/w/images/5/5b/Philippines_node_density_increase_from_2012-01-02_to_2013-01-01.png The increase in the number of nodes last year is pretty much distributed throughout the archipelago. The most number of increase is in the Quiapo area and this is due to maning's project there. Good work everyone! Let's make 2013 even better. :) On Sun, Jul 15, 2012 at 5:59 PM, Eugene Alvin Villar sea...@gmail.comwrote: Oops. Fixed a link Hi guys, Here's a mid-year follow-up to the node density visualization. Here's the density increase from the last time (June 3) to July 1: http://wiki.openstreetmap.org/w/images/5/52/Philippines_node_density_increase_from_2012-06-03_to_2012-07-01.png The new Bing imagery in June has resulted in increased data in Catanduanes, Metro Naga, Antique, Dumaguete, Butuan, and Tagbilaran. The new Orbview-3 imagery on the other hand resulted in increased data in Palawan, Romblon, and Antique. Here's the density increase from the start of the year to July 1: http://wiki.openstreetmap.org/w/images/3/36/Philippines_node_density_increase_from_2012-01-02_to_2012-07-01.png And here's the node density map itself as of July 1: http://wiki.openstreetmap.org/w/images/8/80/Philippines_node_density_2012-07-01.png Compare to the one from the start of the year: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Eugene On Sun, Jul 15, 2012 at 5:56 PM, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, Here's a mid-year follow-up to the node density visualization. Here's the density increase from the last time (June 3) to July 1: http://wiki.openstreetmap.org/w/images/5/52/Philippines_node_density_increase_from_2012-06-03_to_2012-07-01.png The new Bing imagery in June has resulted in increased data in Catanduanes, Metro Naga, Antique, Dumaguete, Butuan, and Tagbilaran. The new Orbview-3 imagery on the other hand resulted in increased data in Palawan, Romblon, and Antique. Here's the density increase from the start of the year to July 1: http://wiki.openstreetmap.org/w/images/5/56/Philippines_node_density_increase_from_2012-01-02_to_2012-07-01.png And here's the node density map itself as of July 1: http://wiki.openstreetmap.org/w/images/8/80/Philippines_node_density_2012-07-01.png Compare to the one from the start of the year: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Eugene On Sun, Jun 3, 2012 at 4:43 PM, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I made a follow-up to the node density visualization I shared back in March. This time, the map shows the node increase compared to the data of the original map. Similar to before, brighter pixels represent areas with higher node count increases. Gray pixels show the original data as a baseline. You can view it here: http://wiki.openstreetmap.org/w/images/5/56/Philippines_node_density_increase_from_2012-01-02_to_2012-06-03.png For comparison here's the original map: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Take note that this is not a map of editing activity! It only merely shows node density increases. (So if someone deleted a node in an area and another one created a node, there will be no change in the node counts.) But this visualization does somewhat indicate where new data is being added. It's nice to see that most parts of the Philippines have seen an increase in data. You can see the obvious effect of the new Bing imagery that was released back in February as bright rectangular areas. Nice work everyone! Let's keep it up! :-) Eugene On Sat, Feb 25, 2012 at 8:38 PM, Eugene Alvin Villar sea...@gmail.com wrote: Correction, that should be 0.01°, not 0.1°. :-) On 2/25/12, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I created a visualization showing the node density of OSM data in the Philippines taken from the 2012-01-02 Geofabrik extract. Each pixel represents a 0.1°×0.1° degree square or approximately 1 square kilometer. Brighter pixels represent areas with higher node counts. View it here: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png The edges of available satellite imagery at that time is quite visible in some areas like Pangasinan, Cebu, Bukidnon, and Davao del Sur. As expected, brighter areas are places where there is a large amount of editing and with a large population. By the way, can you guess which place has the densest concentration of nodes (the only purely
Re: [talk-ph] Node density visualization
Hi guys, Here's a mid-year follow-up to the node density visualization. Here's the density increase from the last time (June 3) to July 1: http://wiki.openstreetmap.org/w/images/5/52/Philippines_node_density_increase_from_2012-06-03_to_2012-07-01.png The new Bing imagery in June has resulted in increased data in Catanduanes, Metro Naga, Antique, Dumaguete, Butuan, and Tagbilaran. The new Orbview-3 imagery on the other hand resulted in increased data in Palawan, Romblon, and Antique. Here's the density increase from the start of the year to July 1: http://wiki.openstreetmap.org/w/images/5/56/Philippines_node_density_increase_from_2012-01-02_to_2012-07-01.png And here's the node density map itself as of July 1: http://wiki.openstreetmap.org/w/images/8/80/Philippines_node_density_2012-07-01.png Compare to the one from the start of the year: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Eugene On Sun, Jun 3, 2012 at 4:43 PM, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I made a follow-up to the node density visualization I shared back in March. This time, the map shows the node increase compared to the data of the original map. Similar to before, brighter pixels represent areas with higher node count increases. Gray pixels show the original data as a baseline. You can view it here: http://wiki.openstreetmap.org/w/images/5/56/Philippines_node_density_increase_from_2012-01-02_to_2012-06-03.png For comparison here's the original map: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Take note that this is not a map of editing activity! It only merely shows node density increases. (So if someone deleted a node in an area and another one created a node, there will be no change in the node counts.) But this visualization does somewhat indicate where new data is being added. It's nice to see that most parts of the Philippines have seen an increase in data. You can see the obvious effect of the new Bing imagery that was released back in February as bright rectangular areas. Nice work everyone! Let's keep it up! :-) Eugene On Sat, Feb 25, 2012 at 8:38 PM, Eugene Alvin Villar sea...@gmail.com wrote: Correction, that should be 0.01°, not 0.1°. :-) On 2/25/12, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I created a visualization showing the node density of OSM data in the Philippines taken from the 2012-01-02 Geofabrik extract. Each pixel represents a 0.1°×0.1° degree square or approximately 1 square kilometer. Brighter pixels represent areas with higher node counts. View it here: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png The edges of available satellite imagery at that time is quite visible in some areas like Pangasinan, Cebu, Bukidnon, and Davao del Sur. As expected, brighter areas are places where there is a large amount of editing and with a large population. By the way, can you guess which place has the densest concentration of nodes (the only purely white pixel in the image)? It's in Naga City and this is due to the Naga City import. The second densest location is in Marikina, and this is thanks to maning's efforts in mapping all of the buildings in his adopted city. :-) Eugene -- http://vaes9.codedgraphic.com ___ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
Re: [talk-ph] Node density visualization
Oops. Fixed a link Hi guys, Here's a mid-year follow-up to the node density visualization. Here's the density increase from the last time (June 3) to July 1: http://wiki.openstreetmap.org/w/images/5/52/Philippines_node_density_increase_from_2012-06-03_to_2012-07-01.png The new Bing imagery in June has resulted in increased data in Catanduanes, Metro Naga, Antique, Dumaguete, Butuan, and Tagbilaran. The new Orbview-3 imagery on the other hand resulted in increased data in Palawan, Romblon, and Antique. Here's the density increase from the start of the year to July 1: http://wiki.openstreetmap.org/w/images/3/36/Philippines_node_density_increase_from_2012-01-02_to_2012-07-01.png And here's the node density map itself as of July 1: http://wiki.openstreetmap.org/w/images/8/80/Philippines_node_density_2012-07-01.png Compare to the one from the start of the year: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Eugene On Sun, Jul 15, 2012 at 5:56 PM, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, Here's a mid-year follow-up to the node density visualization. Here's the density increase from the last time (June 3) to July 1: http://wiki.openstreetmap.org/w/images/5/52/Philippines_node_density_increase_from_2012-06-03_to_2012-07-01.png The new Bing imagery in June has resulted in increased data in Catanduanes, Metro Naga, Antique, Dumaguete, Butuan, and Tagbilaran. The new Orbview-3 imagery on the other hand resulted in increased data in Palawan, Romblon, and Antique. Here's the density increase from the start of the year to July 1: http://wiki.openstreetmap.org/w/images/5/56/Philippines_node_density_increase_from_2012-01-02_to_2012-07-01.png And here's the node density map itself as of July 1: http://wiki.openstreetmap.org/w/images/8/80/Philippines_node_density_2012-07-01.png Compare to the one from the start of the year: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Eugene On Sun, Jun 3, 2012 at 4:43 PM, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I made a follow-up to the node density visualization I shared back in March. This time, the map shows the node increase compared to the data of the original map. Similar to before, brighter pixels represent areas with higher node count increases. Gray pixels show the original data as a baseline. You can view it here: http://wiki.openstreetmap.org/w/images/5/56/Philippines_node_density_increase_from_2012-01-02_to_2012-06-03.png For comparison here's the original map: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Take note that this is not a map of editing activity! It only merely shows node density increases. (So if someone deleted a node in an area and another one created a node, there will be no change in the node counts.) But this visualization does somewhat indicate where new data is being added. It's nice to see that most parts of the Philippines have seen an increase in data. You can see the obvious effect of the new Bing imagery that was released back in February as bright rectangular areas. Nice work everyone! Let's keep it up! :-) Eugene On Sat, Feb 25, 2012 at 8:38 PM, Eugene Alvin Villar sea...@gmail.com wrote: Correction, that should be 0.01°, not 0.1°. :-) On 2/25/12, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I created a visualization showing the node density of OSM data in the Philippines taken from the 2012-01-02 Geofabrik extract. Each pixel represents a 0.1°×0.1° degree square or approximately 1 square kilometer. Brighter pixels represent areas with higher node counts. View it here: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png The edges of available satellite imagery at that time is quite visible in some areas like Pangasinan, Cebu, Bukidnon, and Davao del Sur. As expected, brighter areas are places where there is a large amount of editing and with a large population. By the way, can you guess which place has the densest concentration of nodes (the only purely white pixel in the image)? It's in Naga City and this is due to the Naga City import. The second densest location is in Marikina, and this is thanks to maning's efforts in mapping all of the buildings in his adopted city. :-) Eugene -- http://vaes9.codedgraphic.com -- http://vaes9.codedgraphic.com ___ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
Re: [talk-ph] Node density visualization
Hi guys, I made a follow-up to the node density visualization I shared back in March. This time, the map shows the node increase compared to the data of the original map. Similar to before, brighter pixels represent areas with higher node count increases. Gray pixels show the original data as a baseline. You can view it here: http://wiki.openstreetmap.org/w/images/5/56/Philippines_node_density_increase_from_2012-01-02_to_2012-06-03.png For comparison here's the original map: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Take note that this is not a map of editing activity! It only merely shows node density increases. (So if someone deleted a node in an area and another one created a node, there will be no change in the node counts.) But this visualization does somewhat indicate where new data is being added. It's nice to see that most parts of the Philippines have seen an increase in data. You can see the obvious effect of the new Bing imagery that was released back in February as bright rectangular areas. Nice work everyone! Let's keep it up! :-) Eugene On Sat, Feb 25, 2012 at 8:38 PM, Eugene Alvin Villar sea...@gmail.com wrote: Correction, that should be 0.01°, not 0.1°. :-) On 2/25/12, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I created a visualization showing the node density of OSM data in the Philippines taken from the 2012-01-02 Geofabrik extract. Each pixel represents a 0.1°×0.1° degree square or approximately 1 square kilometer. Brighter pixels represent areas with higher node counts. View it here: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png The edges of available satellite imagery at that time is quite visible in some areas like Pangasinan, Cebu, Bukidnon, and Davao del Sur. As expected, brighter areas are places where there is a large amount of editing and with a large population. By the way, can you guess which place has the densest concentration of nodes (the only purely white pixel in the image)? It's in Naga City and this is due to the Naga City import. The second densest location is in Marikina, and this is thanks to maning's efforts in mapping all of the buildings in his adopted city. :-) Eugene ___ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
Re: [talk-ph] Node density visualization
Interesting to see that Davao and Metro Manila whom I believe as mature is still improving. :) Panay Island needs more love, are there Panay mappers in the list? Do you have any specific area you want imagery updated? On Sun, Jun 3, 2012 at 4:43 PM, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I made a follow-up to the node density visualization I shared back in March. This time, the map shows the node increase compared to the data of the original map. Similar to before, brighter pixels represent areas with higher node count increases. Gray pixels show the original data as a baseline. You can view it here: http://wiki.openstreetmap.org/w/images/5/56/Philippines_node_density_increase_from_2012-01-02_to_2012-06-03.png For comparison here's the original map: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png Take note that this is not a map of editing activity! It only merely shows node density increases. (So if someone deleted a node in an area and another one created a node, there will be no change in the node counts.) But this visualization does somewhat indicate where new data is being added. It's nice to see that most parts of the Philippines have seen an increase in data. You can see the obvious effect of the new Bing imagery that was released back in February as bright rectangular areas. Nice work everyone! Let's keep it up! :-) Eugene On Sat, Feb 25, 2012 at 8:38 PM, Eugene Alvin Villar sea...@gmail.com wrote: Correction, that should be 0.01°, not 0.1°. :-) On 2/25/12, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I created a visualization showing the node density of OSM data in the Philippines taken from the 2012-01-02 Geofabrik extract. Each pixel represents a 0.1°×0.1° degree square or approximately 1 square kilometer. Brighter pixels represent areas with higher node counts. View it here: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png The edges of available satellite imagery at that time is quite visible in some areas like Pangasinan, Cebu, Bukidnon, and Davao del Sur. As expected, brighter areas are places where there is a large amount of editing and with a large population. By the way, can you guess which place has the densest concentration of nodes (the only purely white pixel in the image)? It's in Naga City and this is due to the Naga City import. The second densest location is in Marikina, and this is thanks to maning's efforts in mapping all of the buildings in his adopted city. :-) Eugene ___ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph -- cheers, maning -- Freedom is still the most radical idea of all -N.Branden wiki: http://esambale.wikispaces.com/ blog: http://epsg4253.wordpress.com/ -- ___ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
Re: [talk-ph] Node density visualization
Correction, that should be 0.01°, not 0.1°. :-) On 2/25/12, Eugene Alvin Villar sea...@gmail.com wrote: Hi guys, I created a visualization showing the node density of OSM data in the Philippines taken from the 2012-01-02 Geofabrik extract. Each pixel represents a 0.1°×0.1° degree square or approximately 1 square kilometer. Brighter pixels represent areas with higher node counts. View it here: http://wiki.openstreetmap.org/w/images/8/81/Philippines_node_density_2012-01-02.png The edges of available satellite imagery at that time is quite visible in some areas like Pangasinan, Cebu, Bukidnon, and Davao del Sur. As expected, brighter areas are places where there is a large amount of editing and with a large population. By the way, can you guess which place has the densest concentration of nodes (the only purely white pixel in the image)? It's in Naga City and this is due to the Naga City import. The second densest location is in Marikina, and this is thanks to maning's efforts in mapping all of the buildings in his adopted city. :-) Eugene -- http://vaes9.codedgraphic.com ___ talk-ph mailing list talk-ph@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk-ph
