Questions tagged [mapping]

The act or process of making a map.

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17 views

How to change OpenLayers Map styles with bright.json

I got problem with using Bright.json I caant load that styles to map. So far I got let vLayer = new ol.layer.Vector({ source: new ol.source.Vector({ url: "/www/bright.json", ...
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1answer
40 views

What happened to buildings on USGS topo maps?

I have been using the National Map website to download some topographic maps and I can't help noticing a big difference between the old and new. Historical USGS topographic maps have building outlines ...
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2answers
32 views

How to plot points on QGIS using postcodes?

I want to map a list of facilities around the UK by their Postcodes. I have no Eastings or Northings just postcodes. Is this possible via a plugin or do I need coordinates. I am using QGIS Version ...
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18 views

Creating azimuthal projection with weather data for Mapbox

I want to create an animated weather layers for my Mapbox map, like this: https://labs.mapbox.com/bites/00189/ My map is already in the azimuthal projection which fakes the coordinates to fit in ...
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0answers
50 views

Shapefile error in QGIS, rivers of a map

I am a beginner with QGIS. This file was sent to me along with others by my professor. One of them doesn't work. I'm mapping an Australian river catchment (Daly), one of the shapefiles is for the ...
2
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1answer
59 views

Trying to create a Cartogram and the st_transform function does not work

I'm following a tutorial to create a cartogram and the line to do so creates an error, as does the solution to fix the error which is to transform the data using st_transform(). I've looked online for ...
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1answer
30 views

OpenLayers or similar map tool with custom travel options?

I have seen custom fantasy world or game maps using OpenLayers or similar tools. Now say I want to do exactly that, but I also want to include the in-game traveling options. I imagine it being much ...
1
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2answers
110 views

Layman friendly method to create a shapefile [closed]

I have a few projects where I'm plotting various things on a map that's broken down by neighborhood (this, basically). It's looking like I need to make my own shapefile but with absolutely no GIS ...
1
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1answer
59 views

Center generated atlas map to features of different layer

I got a problem with setting an Atlas. I have a polygon layer with around 100 polygons, and a line layer. What i need to do is to generate a map for each polygon and show on the fixed scale (1:500) ...
3
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1answer
58 views

Map corners like asterisk symbol in QGIS?

I am trying to make a map like this image in QGIS. I want to add min/max longitude and latitude and star symbol at the corners.
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2answers
35 views

Dynamic loading of KML files into Google Maps

I'm looking to load KML files that I have created in to Google Maps. I have loaded them to dropbox to test and made public. Can anyone see what I'm doing wrong in the following call: http://maps....
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1answer
96 views

Is it a sank ship please see near japan [closed]

I found this photo on google map satellite mode looks like sank ship
1
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1answer
31 views

R - Maps - How to add State border to City Map

I made a map of Brazilian cities using plot_brmap() and I want to show the state border. But I don't know how to do it. What I have been trying: library(brazilmaps) library(maptools) library(...
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0answers
10 views

Adding WMS layer to map with ps.map

The GRASS GUI provides a feature to add WMS layers to the Map Display. I would like to do the same in a map produced with ps.map. The goal is to use the WMS simply as a map background, without having ...
3
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0answers
38 views

Remediating path that crosses international dateline

I'm trying to plot the paths of multiple ships on a world map using R and a series of Lat/Lon points. All is well until the ship crosses the international dateline (-180/180) when the path jumps ...
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0answers
27 views

Overlay Map Visual on Shapefile

I am trying to display a map/shapefile of an NTS250k grid of Canada as shown in MS Power BI. BI requires to import the shapefile using .json format. I am just wondering if there is a way to be able to ...
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0answers
61 views

Creating high resolution DEM file from points (path) in google earth using QGIS?

I am having trouble trying to create a DEM file from points in Google Earth. I followed all the steps to export a .kml from Google Earth to then import a delimited text layer that I turn into a .shape ...
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0answers
12 views

WFS metadata open in MAP

I am working to replace our current version of GeoNetwork 2.8 to 3.6. We currently have WMS, WMST, and WFS type metadata. For WMS files when we change his link in the metadata register (in resource ...
1
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1answer
51 views

Add time stamp to an imageCollection of Google Earth Engine

On the Mapping over an ImageCollection documentation page, in order for adding time stamp the function is written as // This function adds a band representing the image timestamp. var addTime = ...
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0answers
19 views

How to choose scale endpoints for` tm_fill( )`?

I'm trying to map a continuous scale with tm_fill in tmap: tm_shape(shape)+tm_fill(col="value",pallete="seq",contrast=c(0,1)+tm_facets(by=group) I want to make several such maps for different years ...
0
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2answers
26 views

Mapserver INCLUDE using multiple .map files

I am currently testing out a new way to display my Mapserver WMS's. Here is the context. I have a script that generates an individual .map file for each of my rasters. These mapfiles are fully ...
1
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1answer
38 views

QGIS 3.4. Saving Layer Status (ON/OFF) for printing different Layouts

if i have a project with a lot layers (20-30) and i want to print different map layouts is there a possibility to save different status of which layer is on or off? So for example: Map Layout 1: ...
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1answer
48 views

Formula to calculate the next coordinate given a coordinate, distance,direction and probably speed

I have this coordinates 52.3545362,4.7638767 which I got from a Google Maps search of Amsterdam. URL https://www.google.com/maps/place/Amsterdam,+Netherlands/@52.3545362,4.7638767,11z/data=!3m1!4b1!...
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0answers
31 views

Unable to map points on a map drawn using shapefile

I am new to this area. I have a dataset with latitude longitude data of the city of London. I would like to draw the corresponding map of the city with this points superimposed onto it. I am using ...
2
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2answers
41 views

QGIS 3.6 - Deleted Polygons

I'm putting together a large map consisting of some big datasets, and unfortunately deleted some (around 25) polygons from a key layer when editing a smaller version of the map for a different request....
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0answers
22 views

How to make maps move when you create a Google map using OpenLayer 2

<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8"> <meta name="viewport" content="width=device-width, initial-scale=...
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2answers
51 views

Mapping RBG color to coordinate possible?

I work with geologists who are trying to figure out how to use Qgis to batch apply colour values to coordinates so that we can visually see differences or patterns. From the attached photo of soil ...
1
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1answer
39 views

spplot doesn´t work - sppanel error

I have this code (below) for plotting some information in a map, but it doesn't work, in the map appear only the error "sppanel", why I solve that? library(GWmodel) library(RColorBrewer) data(...
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1answer
87 views

Google Earth Engine - Blend Sentinel-1 SAR Images?

Does anybody know why I am getting these strips across my Sentinel-1 images and how to fix it? I am using multiple images over Mozambique between January 1st and January 13th. I want to use this ...
2
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0answers
50 views

Analysing polygon layer using QGIS

I use QGIS. I have two sets of data. One of them came from a brand of a combine that compiles the harvest data in a point map. I can analyse that easily using the random point selection and basic ...
2
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1answer
68 views

Creating automated maps for attributes in QGIS

I understand that automated maps can be created using information in the attributes. I want to stop manually creating each map for land owned/managed (this is coded in the attribute tables). How do ...
2
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1answer
44 views

QGIS 3.4 set transparency only for some layers below

I‘m working on a geomorphological map of a river and its sourroundings. As a base I have a topographic map and a DEM for the pre-mapping. The topographic map is not accurate enough in the river gulley,...
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0answers
63 views

Exporting map error - QGis

Whenever I try to export a map as an PNG image I get the 'successfully export' message but there is no file generated. The error happened in Zanzibar so I changed to Noosa but I still can't export the ...
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41 views

How to calculate the bounding box of a map, given the pixel width/height of the container map & a bounding box which is included in the container map

How can I calculate the bounding box of a map, given the pixel width/height of the container map and a bounding box which is included in the container map? I know how to do this with Google Maps ...
1
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1answer
38 views

I need to work with 64-bit ArcMap [closed]

I work with 64-bit Bentley WaterGEMS and it uses 64-bit Microsoft Access Database Engine. Opening XLSX files in ArcMap (via Add XY Data ...) needs 32-bit Microsoft Access Database Engine. Both 32 and ...
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0answers
24 views

Correctly displaying structural data in different map projections

How can I ensure the correct display of oriented structural data in GIS at northern latitudes when the map is reprojected. We are making new geological maps in northern latitudes and have a lot of ...
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2answers
75 views

How to make a fictional city map? [closed]

I'm currently making fictional city for my novel project, and I need a tool for making city map. I tried Adobe Illustrator, but it'll be quite hard labeling each streets, parks, buildings etc. I saw ...
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0answers
27 views

Natural Earth land in GeoServer: line cut through Antarctica for EPSG 900913

I have created a GeoServer layer (GeoServer 2.15) that contains the 10m resolution Natural Earth land countour shapefile data (https://www.naturalearthdata.com/downloads/10m-physical-vectors/). But if ...
2
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0answers
31 views

Stop Grid Coordinates Overlapping in Print Layout

I have created some data driven pages in the print layout (controlled by atlas) using QGIS 3.4. The grid spacing is set to a fixed interval (20m). This works fine until one of the pages is located in ...
1
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0answers
33 views

Error while rendering Leaflet map on Shiny

I have been trying to reproduce a Leaflet map on a Shiny webpage. I have made this code so far: library(shiny) library(shinydashboard) library(leaflet) library(rgdal) library(dplyr) library(DT) Map &...
1
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0answers
80 views

Calculating Center (GPS Point) and Radius (km) of n GPS points

I'm new to GPS and position mapping but i have a background in programing and some of the math related to it. I've been tasked with writing a small golang program that takes n GPS points (DMS) and ...
0
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0answers
52 views

Static map image with markers and labels

I need to create a image automatic way of a map with markers custom and label with 5 characters, I tried with the API Google Maps static but only one character is leted. Mapbox let me use maki icons,...
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0answers
12 views

ImageElementOverlay has no click events?

After using ImageElementOverlay, I found that there was no click event for ImageElementOverlay,But I don't know. function stamp(s) { var imgW = 521 / 1000; var x = parseFloat(s.x*imgW); ...
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0answers
18 views

3dm data disappears after rotating layout in QGIS

I ran into a bug (I suppose) recently. After loading a *.3dm format mesh (triangulated irregular network with elevation data), with the Layer --> Add Layer --> Add Mesh Layer command, I put some data ...
0
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1answer
50 views

High resolution and reasonable cost RGB satellite images [closed]

I need to obtain high-resolution RGB satellite images with reasonable cost for Pakistan. The objective is to guide tourist on high-resolution GIS maps. Google Earth does not have very high resolution ...
0
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0answers
23 views

ArcGIS Python API Plotting ValueError: setting an array element with a sequence

Got a pandas spatial df using ArcGIS python API. The data is read in via pd.DataFrame.spatial.from_featureclass()–i.e., a shapefile. Once loaded, df has a SHAPE column, as you see here. Next, ...
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1answer
75 views

Changing pixel values by the average of neighbours in raster calculator?

I have a raster with values in each pixels. I need to change each pixel by the average of surrounding pixels. For example in the first row first column , the pixel value will be replaced by average ...
1
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0answers
48 views

How to get a grid 500m x 500m on map composer

I need to make a map on map composer, with a grid layed on it which is 500m x 500m. however the only way I could find of doing this was by adding a grid to my map, found within item properties. This ...
1
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0answers
15 views

How to plot Geoserver data (point data) as image on the map instead of vector plot? [closed]

Need the help to integrate it with angular 5 if possible.
1
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1answer
80 views

Hub and spoke map

I have a bunch of addresses located in a city, there is a central location which is the hub and I'm looking to create a hub and spoke map with lines coming from the hub and going to every point on the ...