Tagged Questions

The study and practice of making maps.

learn more… | top users | synonyms (1)

2
votes
1answer
28 views

Creating maps programmatically using ArcObjects. Adding legends, scale bars, north arrows?

I'm looking for some examples related to the publishing of maps programmatically to image format using ArcObjects. More specifically I would like to add standard map elements such as a scale bar, ...
16
votes
3answers
539 views

Why do we use the terms “longitude” and “latitude” for a spherical body?

To specify a geographic coordinate we use the terms “longitude” and “latitude”. Far as I know, these terms derive from the Latin latitudo (= breadth) and longitudo (= length). In German we use the ...
-3
votes
0answers
35 views

How to use The open source tool to make a web map [closed]

If I have several autocad files with layers(it stored map ), but it is of huge content, maybe a country map of china. How to use these original materials to produce a web map just like openstreetmap. ...
2
votes
1answer
31 views

How to symbolize different information that's joined to a single plot in a shapefile

I am a student doing an industrial survey in Windhoek, Namibia. We mapped different businesses and later did spatial analysis. Questionnaires were handed to different businesses and then that ...
0
votes
0answers
28 views

Adding imagery or world topo map from arcgisonline to map

I have an ESRI Javascript API application that uses a local Map Service with various feature layers. Now I need to add Imagery or top maps from ArcGIS online as base maps. I am trying the following. ...
1
vote
0answers
45 views

Map Matching? (Finding Nearest Roads…)

I am making Pedestrian Navigation System for my school I created node and arc and digitized buildings with ArcGIS. Then, exported KML to use Javascript Dijkstra's Algorithm to find route. So far, so ...
-2
votes
0answers
49 views

How to convert shape file to .map format

i have made a .shp file from the srtm data for contour making.I need to get the output as >map format,with elevation details.If i am trying to convert into .bna there is some error happens along with ...
0
votes
0answers
13 views

can anybody explain how to create a wasp contour map in Q GIS? [duplicate]

can anybody explain how to create contour map,I need to export in .map format.
-4
votes
1answer
75 views

How to digitize a map in QGIS?

I am relatively new to QGIS and using it on windows vista. Problem: I have to digitalise an aerial map and then extract the coordinates. I have absolutely no idea how to start Thanking you in ...
1
vote
1answer
40 views

Data Frame Property options have changed

I have Googled and searched ESRI help files and experimented until I am blue, not to mention reloading ArcGIS Desktop10 for Repair and adding the SP5 to it. I no longer have the options of border or ...
5
votes
1answer
38 views

How to design class breaks for a time series of choropleth maps?

I'm working with a time series of choropleth maps showing the same indicator for the same administrative boundaries, but spanning period of nine years. What would be the most appropriate strategy of ...
1
vote
1answer
22 views

How to combine use gradient symbols for layer properties excluding 0?

I want to visualize my data by using graduated symbols. Now, there are some objects with value "0", they should not be printed on the map (which I solved by using rule-based symbols). But, anyway, "0" ...
2
votes
0answers
50 views

Is there any method to analyze data from fire protection events ?

I want to analyze data from events in fire protection a create some illustration of maps. In short: my task is to find methods for data visualization. Data are represented by point layer (each event ...
1
vote
0answers
85 views

How can I map data points to OpenStreetMap (OSM) line data?

my goal is to filter measuring points of vehicles by mapping them to streets. So I could filter out all the false data located in fields and rivers and so on. I imported my data into a PostGIS ...
2
votes
0answers
63 views

Why do I get different output from gdal2tiles vs. maptiler?

I am trying to generate map tiles using gdal2tiles for an area much larger than MapTiler can handle. However, my tile caches are not showing up on the maps. I checked gdal2tiles by running the same ...
2
votes
1answer
47 views

How to document GIS analysis?

New to QGIS & GIS-meta While I know I can annotate within a map, what is being used for documenting your work:sources of data, choices of color/per layer with each map made ( thinking along the ...
4
votes
3answers
223 views

Why aren't 3D Globes used as the basis of GIS systems?

Maps have been around for thousands of years and have been widely accepted as the means of representing spatial information. We all know about several map projections,each with their merits and ...
0
votes
1answer
63 views

ESRI JS API - don't trigger onClick event when panning Map

I have a custom onClick handler for my map that is meant to add a point wherever the map is clicked. I'm finding that this function is triggered even when I click the map to pan. Is it possible to ...
0
votes
0answers
17 views

Changing the background colour in openlayers map [duplicate]

I have the following question - is it possible to replace that white background colour with blue? Tried for a very long time but no good... Also the code was generated, and i am new to this - so it ...
7
votes
1answer
134 views

What does this style of line on Topographic maps indicate

If I was reading the purpose of this stackexchange site right, I could also ask general map questions. Not necessarily regarding software. Anyways, I was wondering if someone could inform me what ...
3
votes
3answers
74 views

How long for surveying quality GPS to get accurate 3D position information

I recently read an Ordnance Survey Blog article that seemed to suggest that it was necessary to leave the GPS device in use for four hours to gather requisite data. I am aware that "domestic" GPS ...
2
votes
1answer
49 views

Script to either rotate existing text element or insert graphic element

I have about 300 maps that contain a text element that needs to be rotated. I am pretty new to python but I have heard how great it is. This seemed like the perfect task for python but I have had no ...
7
votes
2answers
92 views

What does map scale refer to in map making / field survey metadata?

If I have, say, a printed map at the scale of 1:20000 and the legend says that it was mapped at a scale of 1:10000 does this simply mean, that the surveyors/cartographers made drafts & sketches or ...
8
votes
4answers
290 views

Where to start learning how to make maps with QGIS?

I have no skills in GIS, "map-making," or any other map program. Been a county planner for 25 yrs, where there was always a "drafting" staff. I'm in another agency now and need to be able to produce ...
3
votes
1answer
63 views

How to create a small globe locator map in QGIS?

I've tried searching on gis.stackexchange and elsewhere but can't seem to figure this one out though it seems simple enough. The type of locator I'm thinking of is similar to the one from the map in ...
1
vote
1answer
65 views

Overlapping lines representation

Cartography question. I do have administrative boundries for counties in polygon FC. What tool do I use to prioritise display of features. In example, when lines overlap- I want to show only 1 dashed ...
1
vote
0answers
36 views

Is there a way to show outlines in a multipatch feature in ArcScene?

When viewed in ArcMap 2D environment, multipatch faces are outlined. When viewed in ArcScene 2.5 D environment, multipatch faces are not outlined, yet the symbol in symbology properties still shows an ...
4
votes
2answers
96 views

How to join number of point features into attribute of nearest line segment

I have point shapefile with lot of attributes, that represent road accidents and line shapefile with highways. What i want is to join attribute into line shapefile with value, that represent number of ...
3
votes
1answer
65 views

Preventing ArcMap from Clipping Neatline when Exporting Map

I cannot seem to keep ArcMap from clipping off a fraction of an inch on the edges of the maps I am exporting: I would like the 1.5 point border that is set for the legend to be uniform around the ...
1
vote
0answers
22 views

Adding a class for null value

I'm making a graduated style map and I would like to add a class that would represent null values. I can add a class for zero (0) value ... meaning some of the areas reported zero report, but some ...
3
votes
4answers
149 views

Halo use background color

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 ...
6
votes
1answer
147 views

locating latitude-longitude point in a piste-map with matrix transforms

I am trying to plot points of a particular latitude longitude on this image of a Swiss mountainous landscape. What I am doing is I have some 54 known location-points plotted on this image (not ...
21
votes
4answers
345 views

How to use directional shading on boundaries for cartographic effect?

The attached screenshot of a National Geographic map shows some beautiful directional shading of boundaries. I'm trying to reproduce this sort of shading for a burn perimeter map, as I want to ...
6
votes
2answers
89 views

How do you store brief cartographical tips, information, possible future designs that you find?

I find inspiring maps and/or brief, 1-line design tips (i.e. "when satellite image is used as a basemap, I like to desaturate the tarnation out of it" that I may want to consider later using in a ...
0
votes
1answer
110 views

Way to add 1km x 1km UTM grid onto online map service

Is there any exist services or way to add 1km x 1km UTM grid onto online map service such as Google Maps or OpenStreetMap?
7
votes
5answers
468 views

Libraries to render vector-based maps in the browser

Is there a open source JavaScript library like leaflet or openlayer which can be used in a web or mobile application and loads vector-based maps instead of images? I only need the road information and ...
5
votes
1answer
160 views

Black & White / Greyscale Maps and Illustrations

I think greyscale maps & illustrations (with geographic data) seem to be abandoned and the colour maps are mostly used nowadays. This is understandable and personally I also need less time to ...
1
vote
1answer
51 views

Use Java to automate the service creation and display up to date data on the map

Our team is using ESRI ArcGIS and our requirement is 1.To create a web application in JAVA with a map displaying various data from DB. 2.The data gets updated periodically in the DB and the map ...
0
votes
0answers
30 views

How to integrate GPS data in a SHP file? / Comment fusionner 2 couches vectorielles? [closed]

In order to update a farming parcels dataset stored as a SHP file, I have captured updates with a GPS. How to integrate these GPS updates in my SHP dataset? Pour mettre à jour un projet comportant ...
1
vote
1answer
25 views

other than GrADS and NCL, any other map/chart scripting and plotting software dedicated for climate and meteorology?

NCL is quite good indeed, but I would like to know whether there are other options.
8
votes
3answers
277 views

How do I compare two maps to determine which is better?

I'm trying to do an objective comparison of two different maps for the same region. At the moment, I'm struggling with defining criteria that will allow me to do a dispassionate evaluation. Does ...
2
votes
1answer
81 views

How to style a point based on Actual Attribute Values?

I have published a point layer in Geoserver, which is the data from a GPS Survey. In addition to the geometry, my layer, also contains an Attribute for Accuracy, which indicates the Accuracy in meters ...
0
votes
0answers
213 views

Python package for Google Maps API v3?

I am looking for a Python package that can generate the JavaScript to display Google Maps API v3. I would like to integrate such package into a django website. I know pymaps exists but it's for ...
2
votes
0answers
27 views

How to connect door nodes using a polyline

I am working on an indoor positioning project which need to transform CAD drawings to GIS shape files. I have transformed the file from CAD to ArcMap 10.1 already. My current problem is that how ...
20
votes
5answers
921 views

How to make beautiful maps in R?

There are quite some nice possibilities to analyse spatial data in R and in the context of my current project I would like to use R more frequently to do that. Until now I plot my maps with ggplot2 ...
2
votes
1answer
66 views

Where did the texture fill option go in QGIS 1.9 Master?

In the previous version (1.8) of QGIS you could select to fill a polygon using a PNG or JPG image. This option seems to have gone from QGIS 1.9 Master. I can get it by selecting the "Old Symbology" ...
2
votes
1answer
263 views

Data Driven Pages and exporting PDF using Python

I am able to zoom into map_index shapefile rows for a group of mxd documents in layoutview and export zoomed record as a PDF document at the same time. I tried to combine below codes to make the ...
4
votes
1answer
195 views

How to print pie charts in QGIS?

I added pie charts via text-file to my map. When printing the map they get lost. Does anyone know how to print them? QGIS also seems to delet some charts, when there are to many at one place. Does ...
3
votes
1answer
58 views

Offline Map - QGraphicsGeo

I’ve realized a desktop application based on Qt Mobility for displaying maps and adds some landmarks in real-time (like QGeoMapObject). I've to see the track of some vehicles... I've used the code ...
4
votes
1answer
92 views

Map automation, create and populate inset maps for densely-labelled areas

I would like to know if it is possible to automate the example in the picture below, unlike the picture below i'm using vector data. I would like for a fixed scale generate map, but when labels are ...

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