So we can simply draw the river on that curly thing. For example, in the DEM graph, we can find something curly between two mountains:Īnd we can find the same river in Google Maps. Besides the Google Map, we can find out some evidence from the DEM data to find the river. So I use more simple and more stupid method: drawing by hand. We can download data from Google, find the blue part or water surface part, adjust the size and position, and then use GIMP to cover the original graph, then we can find out the rivers.Įven though the method above is practical, Sinya is not good at playing with images. So to make the game more fun, we need to find out the rivers. SimCity require all river bed to be below the sea level. But SimCity cannot handle this situation. So it is even harder to distinguish the river from land. Moreover, Han River bed is above the land. Counties of Zyaupeng, Nam O, Kityeo is partially covered:Īfter we got the graph, we found that we can only get the data of shoreline. Counties of Teochew, Swatow, Tenghai, Teoyeo is mostly covered. We can see that the core of the Teochew region is covered.
And we can use Micro DEM's Mercator projection grid to cut out an 64 km x 64 km portion, which is similar to the following region.
Then we can transform DEM data to large graphics. We need to know about this during transformation. The darkest 1/3 is seabed, the whitest 2/3 is above the sea level. Notice that in SimCity, we use the darkness to represet elevation. At the same time we can transform the graph to the grayscale accetable by SimCity 4: So we can use MicroDEM's shoreline recognization functionality. So for you guys, it is still not obvious that this is the DEM data of Teochew region. Then if we use free software MicroDEM to open the transformed data, it becomes: Then we can download FWTools, transform the DEM data from img format to more friendly GeoTiff format: We can already see mountains like Noihue Mountain and the Grand South Mountain.=v=. It's obvious that this is the Teochew region. Besides img format DEM data, we got a preview graph like this: You can download it US Geological Survey's mirror site. I downloaded from a mirror site in Chinese acadamy of science. An then a screanshot of the gaming screen, This is the Swatow city center:įirstly I downloaded NASA's ASTER GDEM data. So Sinya uses great Teochew's map to make a super large Simcity 4 game map.įirstly I will give you the download link.
After getting tired of Boston and San Francisco maps I found the game less interesting.
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