2
votes
1answer
70 views

How can I rasterize individual features in a shapefile?

I have a large number of polygons that are overlapping. I'd like to create a heat map and plan on using raster calculation to do this. My plan: to give each polygon a raster value of 1, and adding ...
0
votes
0answers
7 views

problem login geoexplorer - redirect IP

I have problems when I want to log the administrative user through GeoExplorer when geoserver is running on a server with public ip but redirection to a private ip. GeoExplorer takes too long to load ...
1
vote
0answers
4 views

Add Z and M values to stream network produced from DEM

I created a stream network from an existing DEM. My ultimate project goal is to be able to select a river from my stream network and use the 3D analyst to generate stream profile (Elevation by ...
0
votes
0answers
3 views

Why geoNetwork use H2 database engine?

I am new to geoNetwork, I want to know why geoNetwork use H2 database, Is there any special reason not to use mysql or pgsql? what are the special features in H2 database in GIS, I search about this ...
1
vote
0answers
23 views

How to import label classes to make symbology classes? [on hold]

In Answer to an earlier Question I was able to write SQL Expressions to create label classes. Now, I wish to use those label classes to create symbology classes. It is possible to make label ...
0
votes
0answers
2 views

Converted GPX file has null values in open attributes

I'm an absolute newbie but I think I'm doing this right. I've got a bunch of .fit files from my garmin. I can use GPSBabel to manually convert these to GPX XML and the map looks fine after the ...
0
votes
1answer
3 views

QGIS: Populate combobox with layers in TOC

I am developing a plugin, and I want user to select one of the loaded layers from a combobox. I've already coded this much: self.dlg.show() layerlist = [] self.dlg.ui.layerCombo.clear() # ...
0
votes
0answers
4 views

Symbol Disappears in Legend

I'm using ArcGIS 10.0 I needed to create some symbols for my map which arc did not have. I used bmp files and imported the symbols. they look good but does not appear really well in the legends when I ...
2
votes
1answer
75 views

Openlayers map WMS stretched by latitude

I am working on a small javascript application for displaying map with WMS layers from 2 servers. The problem is, that image is stretched by latitude, it is wider, as it should be. This is is how it ...
0
votes
0answers
6 views

WMS Geoserver layer over OpenStreet Map

I want to display my layers that i have in GeoServer over OSM ! I changed the projection of layers in ESPG:900913 (because i use OSM) but it return blank tiles. I don't know where the problem is. ...
2
votes
2answers
84 views

Merging DEMs of different grid size

I'm trying to merge two grids with different cell size. One has a cell size of 10m and the other 50m. The 10m one covers a subarea of the 50m one. I know that the most accurate one is the 10m one and ...
0
votes
0answers
6 views

How can I use pyqgis to automate a series of field calculations?

I've got a shapefile with about 30 fields that I'll need to update from time to time by importing a CSV with new data, joining it to the shapefile, and using the field calculator to carry the new ...
1
vote
2answers
35 views

Why does dissolve stop working at 10.1?

I have an ArcMap Add-In that completes various geoprocessing steps, including Dissolve (using ESRI.ArcGIS.DataManagementTools.Dissolve). This tool worked at 10.0, but I just upgraded to 10.1 SP1 and ...
1
vote
2answers
18 views

Plotting property surveys using AutoCad MAP2013 - Draw arc problem

This is likely a simple question that I just can't seem to answer. I am plotting some surveys in AutoCad Map3D but I simply can't figure out how to draw an arc using survey coordinates. The large ...
0
votes
0answers
5 views

problem of using TIMESAT to processing MODIS NDVI

I want to use TIMESAT software to analyse time series MODIS NDVI data. Firstly, I use MRT tool to mosaic,subset and project MODIS NDVI data and output data as GEOTIFF format, and save as ENVI standard ...
0
votes
2answers
25 views

Arc map 10.2 cannot find GPX format

The version of ArcMap that I used is (10.2) and when I'm trying to create the ETL tool , I had trouble I want to choose the gpx format but I cannot find it from the format gallery list
1
vote
1answer
74 views

How do I change the color of an ArcGISImageServiceLayer?

I have published an image service of a raster layer (.tif). When I use it online, it is grayscale. In ArcMap, I have the option to change the color of the display. How can I do this from the ...
0
votes
1answer
20 views

problems of display modis ndvi with TIMESAT

I use MODIS MRT tool mosicia tow tiles MODIS NDVI data, then use TIMESAT image view to display the mosaic data, encounting file size waring : and after drawing data, the sequences of two tiles is ...
1
vote
2answers
363 views

Elevation difference map using two DEM

I am studying glacier mass balance and have ASTER and SRTM DEMs. I want to make an elevation/volume change image such that it graphically represents changes in elevation difference in various parts of ...
0
votes
0answers
10 views

Creating a Difference Map: How to Visualize Change in a Value

I have point features randomly spread across an area. These point features contain a value (numerical), which I have for two consecutive years. I am trying to show how these values changed over time. ...
0
votes
1answer
11 views

How to calculate raster distance with z value using ArcGIS for Desktop?

I'm trying to produce a raster distance map by using euclidean distance function having input feature as flight path (with altitude as Z value). However, my euclidean distance calculation did not ...
3
votes
1answer
430 views

How to highlight on mouseover without wiping out select control

I am trying to highlight features of a vector layer as the mouse moves over them. I can make this work. I'm also trying to make the features selectable and have a popup box when they're clicked. this ...
22
votes
4answers
589 views

Recommend topics to be included in a Computer Science for Geospatial Technologies course

I will be instructing a course at the local university titled Computer Science for Geospatial Technologies. This is an introductory course meant to introduce computer science concepts to geospatial ...
1
vote
0answers
22 views

Can ArcGIS Online navigate and identify large GIS datasets? [on hold]

For my upcoming project, I want to see if ArcGIS Online can provide a viable solution. Users will need to have access to webmap on their desktops with basic navigation and identify. This will be an ...
3
votes
5answers
211 views

Installing ArcGIS 10.1 on SQL Server 2008 R2 Cluster

We're running into some performance issues when accessing large enterprise geodatabases on a SQL Server 2008 R2 cluster. The database itself performs well and returns queries fine but presenting the ...
4
votes
1answer
27 views

What are license options to share and distribute ArcGIS ModelBuilder toolkit?

Do you have expertise or experience to share on what software license can be used to share a model created in ArcGIS ModelBuilder to ensure that it is free to use, or used for non commercial purposes. ...
5
votes
2answers
9k views

How to combine adjacent polygons sharing similar trait into single polygon?

I have a large dataset of habitat classes which I have further simplified down into my own unique classes. However, it resulted in there being habitats adjacent to each other with the same forest ...
1
vote
1answer
258 views

Has anyone experienced problems editing between ArcGIS 10.1 and an older ArcSDE geodatabase 9.3.1?

We are unable to edit feature classes in an ArcSDE 9.3.1 Versioned GDB using an ArcGIS 10.1 .mxd map. The feature classes are part of a geometric network. Previously we were able to edit feature ...
0
votes
0answers
5 views

Map disappear after a click button event

hello everyone I have a problem in my project how I made it by ​​using openlayers and asp.net, the problem is that my map dispare when I click in the button on my web interface. they are ...
0
votes
0answers
3 views

Using Torque to show rises and falls?

I'm looking at a handful of different mapping projects that I'd like to do something Torque-like with, but I'd like maps to stay on the map for a limited period of time. Some fake data: Address ...
-2
votes
0answers
9 views

ASP.ET + OPENLAYERS

how can I display a map from Google maps and asp.net openlayers on website
0
votes
0answers
12 views

Get lat/lon points from image pixels

I need to build an application with the following requirement: shows a map .png picture to user. then, users select several points around the map (I can get the x/y pixels from each point) based on ...
0
votes
1answer
17 views

Merge Error: Not Enough Memory

I'm attempting to make a flood plain map for a school project, and am using FEMA Flood Hazard Symbology for the legend. I've dissolved by a Flood Zone Field, but am left with two attributes both named ...
0
votes
1answer
7 views

Simulate a click event on FeatureLayer in ESRI JavaScript API

When my app changes context (user clicks on a tab) I want to programmatically "Select" the first of 6 points in my Feature Layer so I get the blue box around the point and activate the info window. I ...
0
votes
1answer
15 views

Adding Rules to Topology with Arcpy: getting ERROR 000714

I want to make a very basic python script, however I keep running into error 000714 (general/unknown script error). The topology is created, the features are added to it, however the rule is not. ...
-1
votes
0answers
19 views

Project CAD Files in ArcGIS

I have a cad file of a building and need square footage. What's the best workflow to gather the square footage of my features, i.e. what should projections be, if any?
0
votes
3answers
170 views

Create ESRI shape file with attributes from mySQL

I have some geometry which can be perceived as regions within a country and wish to create a shape file which contains all the regions along with some attributes (e.g. name, population, area code, etc ...
1
vote
1answer
43 views

What is the the color gradient at borders called?

Many paper maps have an effect around the borders where there is a gradient from the darker color of the borderline to the lighter color of the area fill. What is this effect called? See ...
0
votes
1answer
21 views

Drop Marker with 3857 projection in leafletjs

Is it possible in leaflet to drop marker with 3857 projection on map? I fond a solution where first translate point to 4326 using proj4js and than drop it on map. var source = new ...
1
vote
1answer
52 views

Using geojson hosted on GitHub from Leaflet: it doesn't work

I'm trying to use a geojson hosted on GitHub (rif. https://raw.githubusercontent.com/cesaregerbino/DatiGeo/master/ScuoleTorino.geojson), from Leaflet. here you are my code .... My first ...
1
vote
1answer
9 views

Exporting .tif from referenced mosaic dataset does not use functions in raster dataset

Very frustrating little issue in ArcGIS 10.1 -- I have a referenced mosaic dataset of terrain data that has a series of functions inserted (slope and several iterations of a statistics function to ...
0
votes
1answer
72 views

Population Density in Plano Census Tracts

I am quite new to Python and I am attempting to practice by making a simple program with ArcGIS. I wanted to make a script that automated the calculation of population density of selected census ...
0
votes
0answers
6 views

ArcGIS Android - Get LatLon position of the graphic

I'm adding marker to my map using the following code: mvHelper.addMarkerGraphic(Double.parseDouble(friendData.getLatitude()), Double.parseDouble(friendData.getLongitude()), ...
8
votes
3answers
2k views

What needs to be done to ArcGIS Server if the server machine/host name is changed?

We have a Windows Server 2008 where ArcGIS Server 10 was installed. Not much has been done with the machine yet, but the name of the machine had to be changed after the ArcGIS installation. The old ...
0
votes
1answer
13 views

Identify features tool [on hold]

I imported a large file with lat/long coords into Arcmap 10 using "Add XY data" import, I then exported the events layer to a shapefile. It worked fine but when I use the identify features tool, all ...
0
votes
0answers
8 views

search request round a certain point

round towns like paris or hamburg update - will solve it wiht some extra parts - like Data extracting in a bounding box or polygon – see here the original thread: can i perform a request to get ...
2
votes
1answer
140 views

How to batch open and export to PDF folder of map packages (*.mpk)?

I have a directory full of ArcGIS map package files (mpk) that I need to export to pdf. Is it possible to automate it so I don't have to open and export each one manually? I need to open each map ...
2
votes
1answer
4k views

Displaying KMZ file + my location in Android Google Maps application?

This is probably a newbie question, but I don't know anything about GIS. Someone sent me a GPX file that I converted into a KMZ file so it's displayed in Google Maps. It works fine when viewed in a ...
1
vote
0answers
15 views

Programmatically Load Hyperlink File in ArcMap 10.2

I am using an arcpy script tool to create an XY Event Layer from a text file and then save the layer to a .lyr. This works, but I also want to load a hyperlink file and apply it to the layer ...
1
vote
1answer
15 views

Can I create a polyline with one long segment and three shorter underlying segments?

We currently have a street centerline polyline feature class where the street segments correspond to our pavement management database. Each segment has a unique ID that matches a record tracking ...

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