I need to apply the four colors theorem in a polygonal shape in a way that I do not need to choose manually each color to put in each region. I wish to knows if there is any extension, plug-in, script ...
I wonder if there is a "unified" source for map color conventions, that GIS map builders are encouraged to follow? EDIT To clear up my question a bit. I'm more interested in the color <-with ...
I'm using Qgis, but I am quite familiar with R and python. So I could use any of these. I want a map of mexico but want to color the stats according to a certain variable. It goes from 0 to 100. So ...
I'm a newbie about GIS. I'm from Italy and I've got a *.tif file of my region. I've loaded it has raster but I have a question: The dem has a gradient colour magenta. How change this colour to ...
Since it was asked in Beta and I want to know the answer, I post it here.
I am developing a crowd sourced app using openlayers. after user clicks an feature, a popup form is displayed. After clicking the save button, the data is used in processing which takes some time so ...
As you see on the attached image, I labeled contour lines on the map (in meter). Which function will allow the "halo" to take the background color of the map? On the image, the halo is greenish which ...
I have a single band image which I would like to copy to a 3 bands of a new image and set the ColorInterpretation to red, green and blue respectively. I have tried two approaches, one using the GTiff ...
Is it possible to change the color while adding a vector layer? I have a vecot layer with water areas and want to load it with a blue color. The layer is added with: ...
I have a shapefile data of buildings. I added it to GeoServer and serve it as a WMS layer. When I check my own maps in the browser my polygons of building appear black color and I want to change it's ...