Top "Gis" questions

A Geographic Information System (GIS) captures, stores, analyzes, manages, and presents data that are linked to location(s). The GIS Stack Exchange should be considered for questions with this tag.

How to read GeoTIFF file from C#

I have acquired Digital Elevation Maps(Height Map of Earth) of some area. My aim was to create Realistic Terrains. …

c#-4.0 gis geotiff
Get street address at lat/long pair

I've seen that it's possible to get the latitude and longitude (geocoding, like in Google Maps API) from a street …

iphone web-services gis geocoding street-address
How to use GDAL to create geotiff from tiff and 4 corners latitude and longitude

I have an image (map) without geo data in TIFF format. I need to get GeoTIFF file from my image. …

google-maps gis gdal geotiff
How to identify Leaflet's Marker during a `popupopen` event?

when a marker is clicked, I need to execute some code that finds the id corresponding to the marker being …

javascript jquery gis openstreetmap leaflet
How to simplify boundary geometries in shapely

I'm working with shapely to do GIS, but I'm running into memory errors when loading the geometry of each zip …

python gis shapely
Shapely point geometry in geopandas df to lat/lon columns

I have a geopandas df with a column of shapely point objects. I want to extract the coordinate (lat/lon) …

python gis latitude-longitude geopandas shapely
I need to make a clean, nice-looking map for a presentation based on a Google map. Any easy way to do this?

I want to make a very clean map that only shows relevant information - e.g., only the streets that …

google-maps google-maps-api-3 gis arcgis
MySQL: Invalid GIS data provided to function st_geometryfromtext

Here's my code: SET @poly = 'Polygon((-98.07697478272888 30.123832577126326, -98.07697478272888 30.535734310413392, -97.48302581787107 30.535734310413392, -97.48302581787107 30.123832577126326))'; SELECT name FROM county_shapes WHERE MBRContains(ST_GeomFromText(@…

mysql gis spatial-index mysql-5.7
Color states with Python's matplotlib/basemap

I want to generate a map of the United States and color each state in using a different shade. Is …

python matplotlib gis
Reading hdf files into R and converting them to geoTIFF rasters

I'm trying to read MODIS 17 data files into R, manipulate them (cropping etc.) and then save them as geoTIFF's. The …

r gis gdal geotiff hdf