0
votes
0answers
4 views
.Net wrappers for Spatialite and CF?
I need a spatially enabled DB that runs on Windows CE on .Net CF 2.0. Is anyone aware of a set of wrappers for Spatialite? I've found what looks to be a great set of wrapper from MayaStudios ...
0
votes
0answers
8 views
Anyone recognize this (reference-system related?) pattern of distortion?
I'm new to GIS and was making some progress until getting rather stumped on this one. I've imported some what I believe is lat/lon data from NOAA (SPC severe weather alerts). When I use the ...
0
votes
0answers
8 views
3D KNN index in PostGIS
I am looking for a way to do fast KNN queries on a dataset of 10+ million 3D points (and growing). I was hoping PostGIS would do the trick with its new <-> and <#> operators, but they don't seem ...
2
votes
1answer
10 views
How to get values from a raster attached to a line in ArcGIS 10.1
In MapInfo, using Vertical Mapper, I can do a line inspection and get the Max, Min, Mean etc values for a polyline from one or more open grids which is then added as an attribute to the polyline. I'm ...
1
vote
0answers
7 views
Displaying UTM basemap and blocks
Im using arcmaps 10.1 and i have to imput pen points off a buch of old maps into arcmaps i have everything in order in arc maps but need help displaying the utm zones, basemaps, blocks, possibly ...
0
votes
0answers
11 views
How to wire ESRI.ArcGIS.Desktop.AddIns.Extension to a custom AddIn Button click event?
I am developing custom ArcMap toolbar with various AddIn tools, button and extension. I see the sample how to access the ActiveView events in the extension Initialize() method.
private void ...
0
votes
0answers
7 views
In Geoserver, how to give different colors of features within a single shapefile based on the value of a field?
In arcgis, this can be easily done by using the Symbology tab in the properties.I need to achieve a similar effect in Geoserver. How can I do it?
4
votes
2answers
18 views
Photogrammetry problem: Spatial-i-fy photos with no spatial reference
I have about 100-200 field photos I would like to overlay in ArcGIS 10 that have no spatial information which I need to somehow develop using a photogrammetric formula. The camera was attached 2 ...
0
votes
0answers
17 views
How to display previous and current year with dynamic text?
Is there a way to display previous and current year with dynamic text? If so, what is the formatting? I'm using ArcMap 10.0
0
votes
0answers
6 views
MapServer Mapfile: Scalebar not displaying correct distances?
Scalebar:
SCALEBAR
LABEL
COLOR 0 0 0
SIZE SMALL
END
STYLE 0
SIZE 180 8
POSITION lc
COLOR 0 0 0
UNITS MILES
INTERVALS 2
TRANSPARENT TRUE
STATUS EMBED
END
I didn't even ...
0
votes
0answers
5 views
Google Map Maker: How do I prevent users from re-adding streets from outdate satelite imagery
I live in a street that used to have a row of parking spaces in the middle. In Google Maps, this was represented as two one way lanes. Now, all traffic has been merged onto one of the lanes because ...
0
votes
0answers
7 views
Does merging segments in Google Map Maker ever work?
When editing line segments in Google Map Maker, the number of crossings one needs to touch for a change is pretty relevant. From my experience, every move of a crossing needs to be reviewed, so the ...
1
vote
0answers
13 views
Better way to get raster values for a large number of point features?
I have several projects with tree point features (SpecialStatusSpeciesPoint) that contain up to 2,000,000 records. I am trying to record tree height (Hgt) and base elevation (BaseElev) values, based ...
0
votes
0answers
7 views
Layer overlay problem in Openlayers /Geoserver
Hallo I am trying to create a Web Map servise using Openlayers and Geoserver. I want Open Street Map (OSM) as back ground and that both vagar_alla and adresspt layers to be tranparent, so that it will ...
0
votes
1answer
15 views
how to add HTML popup in exported PDF map?
I am producing some maps of a point layer using arcpy.mapping.ExportToPDF. Is there a possibility of creating HTML popup for the final PDF based on this link?
...
0
votes
0answers
12 views
Comparing polygon attributes that share the same parcel?
I'm new to ArcGIS, or at least anything beyond the basics, especially ArcToolBox. so the answer might be extremely simple.
Basically I have one layer of building footprints, and another layer of ...
0
votes
0answers
17 views
MapServer Templates: Javascript function won't recognize [LONG] or [LAT]
Tested this in js console with a 'normal' variable and working fine:
js function in map_header.html
var toFixed = function(val, n) {
var result = val.toFixed(n);
if (result == val)
...
0
votes
1answer
47 views
Need to teach myself Python, looking for some suggestions [duplicate]
I am a bit behind the curve here but I am going to teach myself Python, for better or worse, and am looking for any suggestions inre: books, blogs, websites etc. I have little to no experience in ...
-2
votes
1answer
31 views
How to search for text in QGIS?
Does QGIS have any search capability, for example to find text within cadastral polygons?
Quantum gis posee algun buscador , por ejemplo para identificar textos en poligonos de catastro ?
1
vote
1answer
21 views
ImportError: No module named qgis.core
I am on Ubuntu 13.04. I get the following error message -
Traceback (most recent call last):
File "analyse.py", line 1, in <module>
from log import shelve
File ...
3
votes
1answer
21 views
Near analysis with mixed feature types in ArcObjects
I am trying to emulate the Near (analysis) ArcGIS tool in ArcObjects. http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//00080000001q000000
I want to use Mixed Feature Types. I have a ...
2
votes
1answer
30 views
Setting “R Folder” Path in QGIS Sextante
I have installed R via the R-Project website. I have QGIS installed via OSGEO4W (currently 1.9.0 Master), and have Sextante plugin installed and working with GRASS and SAGA providers. I am now trying ...
1
vote
1answer
31 views
How to perform a cascaded combine from python script in QGIS?
I'm working with a large dataset, and I need to be able to combine up to 400,000 polygons. I have been using the QgsGeometry::combine(QgsGeometry* geometry) function and simply looping over all ...
3
votes
1answer
21 views
ArcPy merge datasets with slightly different fields
i have many (>15) shapefiles which have slightly differing fields.
s1: (Name, age, layer_1, ...)
s2: (Name, age, layer_1, layer_2, ...)
...
s_n: (Name, age, layer_1, layer_1_extra, ...)
I want to ...
0
votes
0answers
11 views
How do I prevent from a feature to be cut from a tile in openlayers?
I have a map with GeoJSON layer.
I draw features on zoom 18 of OSM base layer.
When I zoom out the feature is overlay by the map tile
How can I enforce the feature to be on top of the tiles ?
...
1
vote
1answer
19 views
Network Analyst does not take oneway street from attribute table
I want to build a network dataset to calculate travelling times for buses (service area). I have on shapefile with the streets from my home town, which has a column intitled 'ONEWAY', with values of ...
1
vote
0answers
10 views
Problem reprojecting LIDAR data with Liblas
I am currently trying to reproject a LIDAR file (.las) using the Open-Source LibLAS, compiled on a Scientific Linux server.
The Original data is in Oregon Lambert, NAD83 (EPSG:2992), and I am trying ...
0
votes
0answers
8 views
Can osm2po produce a travel distance buffer for a given time?
Given a starting point and a travel time, I would like to produce a travel distance polygon. Can I request this from osm2po via http?
2
votes
1answer
31 views
How can I confirm the existence of pyramids in QGis?
I have created pyramid layers for my ASTER satellite images (.img) using Gdal Tools "Build Overviews" (Pyramids). The dialog said "Processing completed". I don't have the impression that zooming in or ...
2
votes
1answer
21 views
Lack of Options in Gdal Tool “Build Overviews” QGis
I am using QGis 1.8 and I want to build overviews (pyramids) for satellite imagery using the Gdal Tool. I would like to use the resampling method "cubic convolution", but the option doesn't exist ...
0
votes
0answers
11 views
GeoExt: Turning off layer title in legend
I am using GeoExt for my web mapping project. My web map includes a legend generated by GeoExt. Is it possible to turn off the layer title for a specific layer in legend? I am aware that there is a ...
0
votes
1answer
8 views
Is that possible to use map object ( PHP_MapScript ) instead of map file when using the MapServer?
In my previoous code, I am using openlayer WMS to load a raster data through MapServer. As you can see, the mapserv.exe call a local map file to load the raster data. I just heard PHP_MapScript, since ...
0
votes
2answers
15 views
database server connection to MSSQL Server with ArcCatalog not possible?
I have a MSSQL Server where my geodata is held. In the ArcGIS Docs, it says...
"To administer ArcSDE geodatabases for SQL Server Express, you can also connect to these geodatabases by first making a ...
0
votes
1answer
26 views
Understanding ArcGIS Server connection types
Being relatively new to ESRI ArcGIS Server I have a question regarding the storage of ESRI SDE Databases - AGS 10.0 Enterprise and ArcSDE 9.3.
Firstly the naming of the whole structure gets ...
1
vote
1answer
24 views
Main OpenStreetMap-based sites?
I don't like the way the standard OSM maps look (too much details), and would like to check if some OSM-based services are better than Google Maps.
"List of OSM based Services" doesn't list them by ...
0
votes
0answers
24 views
Finding dead end streets on GoogleMaps or OpenStreetMap?
I no longer ride my motorcycle and would like to sell it.
To let buyers go for a test ride safely (ie. they won't ride away with it), I need to find a dead end street (impasse) wide and long enough ...
-2
votes
0answers
10 views
can i meassure area of a rectangle plot using gps? [closed]
I have to calculate area of a polygonal shape plot using latitude and longitude instead of using meter tapes. Is it possible calculate length in centimeter/millimeter?
1
vote
0answers
16 views
WFS features not added to layer
I have some issues with a OpenLayers/GeoServer setup, I am trying to set up a saveable Vector layer using WFS, the saved vectors shows up perfectly on the WMS layer I created but never on the wfs one. ...
0
votes
1answer
26 views
arcpy update cursor: can't connect to a database table
I am using updateCursor to retrieve some rows from a non spatial table using a connection of type "Spatial Database Connection" (That creates a .sde file) from ArcCatalog.
However, it doesn't work, ...
0
votes
0answers
10 views
Clustering using query task in ArcGIS JSAPI 3.5
I am using query task to add clusters but it is not working and using 1000 points in my layer for clustering.
My detail code is on JSFiddle (I have used arcgis sample server REST link instead of my ...
1
vote
1answer
29 views
Geographic Transformation
I have an Image with the following metadata:
Projection Information :
Projection Zone : 0
Spheroid Name : Modified Everest
Georeferenced to : RSO
Map Information :
Upper Left ...
-1
votes
0answers
20 views
Get the field value of a polygon
how can i get the value of a feature class field in ArcGIS? I'm using Visual Studio and C#.
I found IField and IFeatureClass but I'm not sure how to use them.
More specific, I need when a user ...
-2
votes
0answers
38 views
Calculate area of group points [closed]
I have polygon and I add another layer which contain points on this polygon and want
to Calculate the area of the point and subtract it from the area of polygon. I'm using esri ArcGIS 9.3.
0
votes
2answers
34 views
How to handle an “Input CRS error” when clipping?
I'm trying to clip a soil use shapefile, with a polygon I've created this morning. The clipping function works, but the clipped polygon doesn't have features (the table of contents is empty). QGIS ...
1
vote
1answer
16 views
Color ramp in multiple attributes symbology (Arcmap)
I am trying to use the "multiple attributes" symbology tool in Arcmap 10.
I would like to divide my data in 2 categories. For each categories, I would like to display a color ramp.
I read ESRI's ...
0
votes
0answers
6 views
Size of items in a AxSymbologyControl
I'm working on an Engine application, and we use WPF when creating our UI. We've got a dialog for choosing scalebar styles, and it's setup using a WindowsFormsHost. Unfortunately the items in the ...
0
votes
1answer
19 views
FeatureClass to IFeatureLayer
I am trying to covert my feature class to feature layer so that i can pass "IQueryByLayer" over my feature class.
Till now i have my feature class ---
FeatureClass className = new FeatureClass(cc);
...
0
votes
0answers
20 views
problem when georeferencing rasters with QGIS 1.8
I have a problem when georeferencing rasters with QGIS 1.8
I use the procedure (learned with QGIS 1.7) step by step making sure to specify the coordinate system.
I check the points used for ...
2
votes
2answers
43 views
How to rotate North oriented Map [duplicate]
I want to rotate my North oriented point shapefile to 45%,is there any way to rotate it QGIS or Mapinfo?
Thanks,
RKM
0
votes
0answers
13 views
Service Token usage by applications authorization
As developers we are using Token based Service security concept with proxy to protect the tokens.
I wanna understand something about tokens. A developer is using a token that given by ArcGIS Server ...
