0
votes
0answers
2 views

export map with page size name

I hope this isn't a duplicate question, I have had a look but couldn't find an answer. I have a set of 30 MXD's with different page size. I would like to export maps with their name file which include ...
0
votes
0answers
3 views

r.viewshed output numbers in QGIS

Even though I am a newbie to GIS I know the answers to this question are going o make me feel a bit dumb! but... I have completed a r.viewshed analysis of a point in GRASS7. I have imported the ...
0
votes
0answers
6 views

Custom Data Reviewer check

I am working on developing a custom data reviewer check by implementing the Execute method of IPLTSCNTWorkspaceValExtension and IPLTSCNTSelectionSetValExtension interfaces. Unfortunately I only find ...
0
votes
0answers
2 views

reprojecting (unprojecting) in MrSID decode (SDK)

I am using the C++ SDK (version MrSID_DSDK-9.1.0.4045-win32-vc9). I'm trying to read in arbitrary .sid files and extract rectangular sections of them that can be displayed on top of a "web mercator" ...
0
votes
0answers
3 views

TIN gets distorted when I use hard clip to edit it

I have two cross sections from which I have created a TIN as can be seen in the following image. For removing the extra outer portion of the TIN, I created a polygon from the cross-sections and edited ...
3
votes
1answer
7 views

Clearing data frame projection of current mxd using ArcPy?

I am required to open a bunch (50 per week) of mxd's and 'Clear' the Coordinate system from the data-frame to make sure my students have all of their data projected in the same (correct) Coordinate ...
2
votes
1answer
29 views

Reading postgis geometry with shapely

I am doing a small-scale workflow in ipython notebook with geopandas and shapely, pulling a bunch of geospatial data, sometimes from shapefiles, sometimes from postgis (where more expensive processing ...
0
votes
0answers
12 views

Unable to connect to PostGIS databases after Mac OS X Yosemite upgrade

I upgraded to Mac OS 10.10 Yosemite and am unable to connect to PostGIS databases (PostgreSQL version 9.3 and PostGIS installed from KyngChaos). Typing psql my_database returns this message: psql: ...
-1
votes
0answers
10 views

Convert NDVI map into shapefile [on hold]

I have NDVI raster file. I want to convert raster file into shapefile.how to clip shapefile ?
1
vote
1answer
8 views

Attaching pictures to polygons in attribute table in batch using ArcGIS for Desktop?

I use ArcGIS and I want to attach a picture of each polygon as raster in attribute table and I have 1900 of polygons. Can somehow attach batch photos as raster that have same ID like polygons? It is ...
1
vote
0answers
14 views

calculate the number of pixels by color for each road in google traffic image?

I am new here. I got stuck with masking out background and counting the number of pixels by three colors for roads in google traffic image. Is it possible to do it in ArcGIS? what function should I ...
2
votes
0answers
22 views

QGIS Calculate flow length path

I am trying to replicate my Erosion model in ArcGIS for Desktop to QGIS 2.4. I try to calculate in QGIS the upstream distance along the flow path for my agricultural field. I do the equivalent in ...
0
votes
0answers
13 views

Update enterprise database from shapefile data?

Where I work we recently moved our GIS data from GDB databases to an enterprise SQL database. We primarily use ArcGIS 10.2 to edit and maintain our internal data but we also receive ancillary data ...
0
votes
1answer
10 views

Console application in .NET incorporating QGIS tools

I am working on a project where I want to build a standalone application in .NET using QGIS tools. Is there any option like the ArcObjects SDK for .NET? Please help me on this.
-1
votes
0answers
17 views

How to get all the latitude, longitude coordinates/points inside a rectangular polygon drawn in google maps?

I have the following requirements: Draw circle, polygon or rectangle Get all points (lat/long) within this shape Does anyone have any suggestions for how to achieve this?
0
votes
0answers
13 views

ggmap: create circle symbol where radius represents distance (miles or km)

I am trying to add a circle around a given latitude and longitude point where the circle size (radius) reflects distance in miles or km. I managed to come up with this example using ggmap, where I ...
1
vote
1answer
23 views

Specify a GDB feature class using Python Tkinter dialogue box

I tried to specify a feature class from a GDB dataset through Python Tkinter tkFileDialog.askopenfilename. Below is the script. It worked for me in the past when I was dealing with .txt or .las files. ...
0
votes
1answer
14 views

ArcGIS dynamic layers performance with many features to display

So we have data with over 10,000 features in a very small area of less than 50 acres or so and we are getting pretty slow performance of several seconds when the extent is changed via panning and zoom ...
-1
votes
0answers
18 views

Creating equidistant grid for transportation project?

I am newbie at GIS, however, I need to create this grid with equidistant boxes such that these can show approximate distance around different types of places. How do I do it? I am using ArcGIS ...
0
votes
0answers
19 views

QGIS Topology Checker select errors

I have used the Topology Checker plugin in QGIS to create rules to identify errors in my layer. For example, I have used it to search for all overlapping polygons. This plugin is great for finding ...
1
vote
0answers
22 views

QGIS 2.4.0-Chugiak: How to threshold NDVI to calculate emissivity for land surface temperature

I am analysing urban heat island using thermal band 6 of landsat TM-5 sensor with respect to Normalized difference vegetation index that derived from the Band 3(Red) and Band 4(NIR). Lansat TM 1992, ...
0
votes
0answers
5 views

Plotting together Basemap and barbs

I am using the foollowing script for plotting some data into a map using basemap. from mpl_toolkits.basemap import Basemap import matplotlib.pyplot as plt import numpy as np fc = ...
1
vote
0answers
7 views

CartoDB Add a line from one long/lat point to another long/lat point

I have imported an excel s/sheet into CartoDB. I have the following columns: BookingReference | Long | Lat I want to see the journey my app users take. As such I want add a line between long lat ...
1
vote
1answer
5 views

How do you get the nodes of an area in Overpass API in the “right” order?

I use the Overpass API to get the boundary of an OSM relation. I then use the result to display the boundary on a leaflet map. My problem is however, that the nodes are not in the "right order". ...
0
votes
0answers
4 views

bug in i.rgb.his

I found that the implementation of i.rgb.ihs in porcessing toolbox needs to be corrected. It is necessary to have admin permissions to correct the file i.rgb.his.txt locate in ...
0
votes
0answers
6 views

How to show on a a map of countries only the countries with names contained in a php array

I'm doing an important homework for university and I want to use cartoDB to do some parts of it. On my joomla website I have created a form with Chronoforms and in Chronoforms in a custom code box I ...
1
vote
1answer
3 views

Why my map just grayscale mode after use MRT?

i just follow the step to change .hdf file to geotiff file from this site http://duncanjg.wordpress.com/2012/12/11/loading-modis-ndvi-time-series-into-postgis-raster/#comment-1214 and i use data from ...
1
vote
0answers
15 views

Asset point IDs, pipeline and flow direction

I have a data set of a sewage pipe network and point data (assets). I would like to: first calculate the flow direction of pipes (polyline feature) assign IDs to the pipelines using asset IDs ...
1
vote
0answers
28 views

Spatial search performance on a collection of Points in a PostGis database

Let's assume you have a huge PostGis (using Postgresql 9.2, postgis 1.5) table : BIGTABLE ( p Geometry, someData varchar ) which contains more than 10 millions of records. Each record has been ...
0
votes
1answer
14 views

missing LayerSwitcher in openlayers3

I was wondering if there is a LayerSwitcher control in OpenLayers 3? I read that ol3 is a complete rewrite. But I can't seem to find the equivalent of LayerSwitcher from ...
0
votes
1answer
16 views

Error Applying Symbology to Shapefiles

I'm trying to apply symbology to my dataset after it is populated to the map display, but I am getting the following error. Have I placed the ApplySymbologyFromLayer code incorrectly? Traceback ...
0
votes
2answers
18 views

Con function loop doesn't calculate for all the fifty rasters in a list

I have been trying this for hours and I know it should be easy but I can't make it work yet. I have a list of 50 rasters that I need to change the NoData to "0" values. I have the right arcpy ...
1
vote
0answers
12 views

Add Layers to Map Display from script with default symbology

I have a script that runs IDW iterations and I'd like for the files to be automatically added to the map display after they are produced and contain the default symbology that ArcMap generates when ...
0
votes
0answers
12 views

ERDAS file not recognized as ERDAS Hierarchal File Architecture (EFHA)?

I am trying to do an accuracy assessment in Erdas using "user defined ground control points" (I collected the GPS points myselfin the field using a handheld GPS). However, when I load the thematic ...
1
vote
2answers
6 views

Tilemill didn't render streets correctly, some parts are missing

can someone please explain me what's happend in the picture below or how i can debug what's going wrong? I downloaded some .osm.pbf files imported the files via osm2pgsql into a postgis database and ...
0
votes
0answers
16 views

Writing shapefile with projection defined crashes Fiona part two

I have the same problem as this post. Writing shapefile with projection defined crashes fiona It says that was an issue with GDAL. I cleaned my site-packages of anything GDAL, fiona, six related. ...
0
votes
1answer
10 views

How can I render my own tiles using data I get with cartodb's core API library?

I am trying to use the cartodb.core.js library to render my own tiles. According to what I see, the Tiles library is only available in the cartodb.core.js. And if we use that we don't get the ...
0
votes
0answers
10 views

Problems with layer-selector code on joomla article

I have three visualizations I have created,you can see them separately on the following links http://www.locattivitaecon.altervista.org/index.php/mineral-deposits-map ...
1
vote
0answers
10 views

Enable/Disable Parameters based on Boolean

I'm working in model builder and I have a boolean parameter that determines which of two processes run. Right now, all of the parameters for both processes show up when I run the model. Is there a ...
0
votes
1answer
26 views

Convert python from arcpy.da.SearchCursor to work in 10.0

I am using code such as for row in arcpy.da.SearchCursor(polyFC, ["SHAPE@"], spatial_reference=SR): # create inner buffer polyBuff = row[0].buffer(buffNum * -1) # create hull rectangle to ...
1
vote
0answers
14 views

Get pixel values ascii 50 files

I´m working with photos from a cam. The cam is arranged to take ndvi values instead of RGB for each pixel. I have several folders with 50 pictures in each folder as '*.asc' files the pictures. I am ...
1
vote
1answer
30 views

Iterating an ArcGIS tool over multiple Fields with selection boxes

I have one shapefile that contains many fields and I'd like to write a simple script tool that allows me to run IDW for the fields I select. Is this possible? For example..... Input: 1 shapefile ...
1
vote
0answers
14 views

How to use Attribute Assistant in Canadian Municipal Data Model

Currently trying to use the attribute assistant that you download as part of the CMDM. I have the tables in my new geodatabase, but when I try to edit them I get an error about the Global ID, which ...
1
vote
2answers
24 views

What kind of coordinate uses this WMS? Also how to convert to lat/lon

On this map http://infomapa.rosario.gov.ar/emapa/mapa.htm which I believe is MapServer, I get some coordinates after inspecting with Chrome like this: "geoJson" : ...
2
votes
1answer
30 views

Does ArcGIS Pro join to excel worksheets like ArcMap does?

I love the idea of ArcGIS Pro, especially for non-GIS analysts to get one-off maps done easily and quickly. The big question is: Does ArcGIS Pro join to excel worksheets like ArcMap does?
2
votes
2answers
37 views

Finding a point inside a polygon based on maximum value of a specific field

I have a Polygon Shapefile that represents US counties and a Point Shapefile that represents hospitals. The hospital attributes table includes fields like "Number of Beds", "Number of Patients" and ...
1
vote
0answers
38 views

How to Make an Outside Buffer in QGIS?

I have a layer of street segments that are within a given distance of a fire station. Now I want to make a border around these street segments. If I use Buffer, it puts a buffer around each segment. ...
1
vote
2answers
89 views

Field Calcuator to add percent using Python

What might I go wrong here is that I am trying to add percent. I use the Field Calcualtor and it keeps getting an error. I am opening the Table to add a field named Percent and then type this: ...
1
vote
0answers
9 views

Animation in CartoDB

How do I prevent my animated in CartoDB map from starting over (looping)? I would like it to animate and end on the latest date.
2
votes
1answer
20 views

Manual (or examples) of r.ros, r.spreadpath and r.spread in GRASS

you can report me references or applications for use of the following modules (GRASS): - r.ros, - r.spreadpath, - r.spread. Thanks so much.

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