The tag has no wiki summary.

learn more… | top users | synonyms

0
votes
1answer
23 views

GRASS 6.4.3 installed with QGIS not working

I'm new to QGIS and GRASS. I'm trying to do an image classification and it seems that the method I need is not within the GRASS toolbox in the QGIS . So I decided to use the standalone GRASS version ...
0
votes
0answers
13 views

QGIS map tip / label showing a table

I have a MSSQQL Spatiatal layer with Point data (borehole locations, pointID) and a joint table lithology (soil info per borehole, pointID, depth from, depth to, constituent) Is there a way to use ...
1
vote
1answer
112 views

ArcGIS 10.2.1 is not recognising my CSV file headings

I can't get my maps to work because of an issue I'm having with my CSV files. I'm trying to import coordinates and heights of wind turbines, and radius for a viewshed analysis and it works on the ...
0
votes
1answer
28 views

how to use two fields to control display format on map

I have a point shapefile with several numeric fields, among them FuelFlow and Slope. I have successfully applied colour to the various points according to the value of the FuelFlow field. Now I would ...
1
vote
0answers
32 views

What would cause Map Tips to flash in ArcMap with Shapefile?

Using ArcGIS for Desktop Advanced 10.1 SP 1 I have come across this several times but I have never found a solution for it. The problem I am having is that when I set Map Tips to display for ...
0
votes
1answer
47 views

Error in raster displays of NoData cells when “zoomed in” past scale 1:3,000,000

I looked around GIS stack exchange and ArcGIS Help pages and didn't find anything on this issue. I have encountered an error in how Arc displays a Raster file (.TIF format) at different scales. At ...
3
votes
3answers
83 views

How to speed up redrawing of layers (from shapefiles) in MXD? [duplicate]

How do I speed up the process of redrawing layers in a MXD? I have already tried reloading and indexing the layers. The layers were created from shapefiles.
1
vote
1answer
70 views

Polyline (shp) layer not displaying correctly in QGIS

I'm a new QGIS user. I'm trying to convert a polyline vector layer to polygon. I tried to it in ArcMap 10.1 but it misses a lot of polygons. So, I'm attempting to this in QGIS running the process ...
0
votes
0answers
32 views

Display MapBender map in webpage

I 've built a webpage and I want to display in it, a map that I have in MapBender. Can someone tell me how to proceed? I resolved this issue. All i had to do is put an iframe in the page and point it ...
0
votes
1answer
88 views

Free border data and C++ code to display state/region borders with user-defined-colour areas?

Situation: What I really need cannot be shortly described in the title. We have a commercial application where geographical maps (borders only) are used or for selecting areas (input) or for colouring ...
0
votes
0answers
33 views

Can´t display two files at the same time

for some reason when I open a raster FIRST and then a shp, I can only see the raster. Then if I open the shp FIRST, and then the raster, I can only see the shp! Is there a bug on QGIS? Or have I ...
3
votes
1answer
52 views

How to combine several datapoints in one location to a single point varying in size accordingly?

This might be a very simple thing, but I just can't figure it out how to do it in QGIS (alternatively I'm also grateful for explanations for ArcGIS). I have a fisheries dataset with multiple catches ...
3
votes
1answer
82 views

How to change the settings for where ArcGIS splits world data

I have a world map made up of 6 shp files. All the files and the data frame are set to WGS84. The way Arc 10 and 10.1 decides to display the files, it splits Russia into 2. The majority of Russia ...
2
votes
1answer
127 views

GeoRSS reprojection

Sorry I'm newbie in ESRI API javascript, I'm trying to to change the GeoRSS projection from from 102100 to 54030. could anyone give me a hand?! please! my project script is: var map; require([ ...
1
vote
2answers
90 views

QGis Print Composer: layer symbology not displayed

Exactly the same as this problem from way back, only I've had this from 1.8.0 to present (2.1.0 master). Yay, symbols: Boo: no symbols, cue MS Paint: Anyone know why this might be or have the ...
1
vote
1answer
72 views

How to display my country's map?

I am newbie in Geomajas and I tried to create new Geomajas application using the documentation in http://files.geomajas.org/maven/trunk/geomajas/docbook-gettingstarted/html/master.html. I don't know ...
0
votes
1answer
135 views

ArcGIS runtime SDK 10.1.1 for java does not display anything

I am currently trying to display a map (using OpenStreetMapLayer) and nothing shows up but the esri logo and the OpenStreetMap copyright. I am not getting any error message even if the event mapReady ...
0
votes
1answer
188 views

Basic raster map questions

My bigger problem is to convert a raster map to polygons. I've found some questions that give info and I'm trying to use GRASS GIS as part of that. However, I'm having some basic problems and I can't ...
0
votes
0answers
49 views

How to deal with the situation when two rasters stacked together in arcgis?

I am doing a project about petroleum geology. There are several formations needed to add attributes (e.g. name, thickness and age). I have the raster data of thickness, so I created a raster catalog ...
0
votes
0answers
140 views

Tile server - map not displayed when browsing to server address

I'm very new to all this openstreet and tile server stuff. I have followed the switch2osm link for manually building a tile server on Ubuntu 12.04. Eventually, the planet.osm import has ended BUT ...
0
votes
1answer
70 views

Can this compilation and display of species frequency data be improved? QGIS 1.8.0

As a newbie on QGIS, I would like to find out if the way I put a species frequency map together could be improved upon. I had to map the presence or absence of 7 plant species surveyed in 30 2m x 2m ...
0
votes
0answers
42 views

How can I display multiple categorized fields joined to the same shapefile layer in QGIS 1.8.0

I have multiple csv tables to display on the same shapefile grid layer. Using the properties box, QGIS allows me to add as many join tables as I like. The trouble is, each table needs to be ...
0
votes
0answers
52 views

How to display label shapefile to attribute on map?

I have attribute of shapefile: ex1, ex2 and ex3. I want display all : ex2 ex1---------- . I code by C# , help me! thank all so much ! ex3
1
vote
1answer
56 views

Display information while map is zoomed using OpenLayers

I have a map being rendered by OpenLayers using GeoServer which is serving maps using PostGIS. In the database for each line feature type (i.e road), I have the name of that road. I'm looking for a ...
3
votes
1answer
254 views

Set unique values to different groups programmatically

I have a polyline feature layer. After doing some computation, I update a field of that layer and want to set unique color for different value of that field. We can do this from symbology using unique ...
0
votes
1answer
217 views

CRS is UTM 51, the coordinates are shown in meters, show same coordinates as lat long as well?

We are working with a CRS of UTM 51N, the Philippines. The coordinates under cursor are shown as metric values. Clients however like so see the Latitude Longitude values when they move the cursor. Is ...
6
votes
3answers
287 views

How to Display Overlapping Lines?

I have multiple line layers that represent bus routes and many of the routes overlap (i.e. near terminals, transfer locations, etc.) Is there a function in Qgis which will display both features ...
0
votes
1answer
205 views

How to add a table into the TOC in a Python script?

I recently experienced some troubles in adding a table from a specific folder to the TOC using a Python script. Any idea on how can I solve? Thanks, Annalisa
3
votes
1answer
98 views

Showing map in Grass Layer Manager/Map Display via Python

I've created some raster(tif) maps using Grass libraries in Python. I want to opem them automatically in Grass GIS Map Display or Layer Manager after creation. I don't want to use GUI for this. What ...
2
votes
1answer
459 views

How to Change the Default Displaying Order of Esri Basemaps in basemapGallery?

I just started using ArcGIS JS APIs. In my app, I want to combine a few ESRI basemaps with my own basemap service. I am using basemapGallery dijit to change basemaps. By default, basemapGallery shows ...
13
votes
6answers
2k views

How to improve rendering performance of very large shapefile?

I have a polygon shapefile that has a 100MB .dbf and 500MB .shp file component. The reason it is so large is it is a landbase classification for a whole district. Everytime I am viewing the file in ...