1
vote
2answers
17 views

polygon to raster - not all polygons rasterized

I have a building footprint shapefile (polygons) that I want to convert to a raster. I use the Polygon to Raster tool, and specify a cell size by importing from another raster (which is 24m x 30m). ...
2
votes
1answer
23 views

raster overlap count

Would it be possible to simply detect and count overlaps between raster files, i.e. not polygons against rasters, using arcpy? By default I don't have the spatial analyst extension for ArcMap 10.1 but ...
1
vote
1answer
26 views

Why is the raster information No Data value set to -1.#IND?

I have a couple rasters that have been atmospherically corrected using the "landsat.toar" tool in Grass. When these rasters are output and I open up their properties in ArcCatalog, the NoData Value ...
3
votes
1answer
60 views

Cropping or removing borders (not NoData) from multiple scanned and georeferenced maps (ArcMap or QGIS)

I have several hundred scanned maps in TIFF format, each correctly georeferenced and forming a large grid of images. The problem is that the border for each map is present - a white band, with a black ...
1
vote
2answers
59 views

Minimum mapping unit for raster on ArcGIS

So I have this huge national wetlands raster and I'm trying to set a minimum mapping unit of 5 acres. Meaning I want to delete clusters of pixels that are smaller than 5 acres. But the raster's ...
0
votes
1answer
30 views

Display Background Value as hollow, for more than one set of RGB values

I have two overlapping .ecw layers of the same area, though one is clipped in the middle, with a white edge. When I set the background value to 255,255,255, and define it as hollow, it only hollows ...
0
votes
0answers
57 views

Opening netcdf in arcmap as a raster with uneven coordinate spacing?

I have SMOS CATDS 2010-2013 daily data that is in EASE-grid netcdf format. I have 100 sites that I need specific daily soil moisture values for from this dataset. I have daily AAFC CATDS soil ...
3
votes
1answer
72 views

How can I save and re-apply symbology properties for a classified raster in ArcMap 10.2?

I have a classified raster which has the desired symbology configured in ArcMap, and I want to apply this symbology to other similar rasters. So I use the Save option on the Symbology tab, intending ...
1
vote
1answer
41 views

Eliminate 0 Values From Raster

Arcgis 10.2 I currently have a raster file that I want to turn into a set of polygons. This will help me to create specific buffers around certain points. The extent of my values are 0, and 1. When I ...
2
votes
0answers
28 views

How to normalize multiple PNG rasters with differing colormaps

I have a series of adjacent rasters which comprise a digital elevation model. Unfortunately they have been given to me as PNG files, rather than Esri Grids. The only key that I have to the actual ...
0
votes
2answers
78 views

Find the minimum elevation pixels from an elevation raster using arcpy

I want to create a python script to find the minimum elevation pixels from an elevation raster (aster,srtm) using arcpy and arcmap 10.1. The purpose is to reclassify these pixels. I have tried but I ...
2
votes
1answer
80 views

Cell Size of Raster Explained

I'm not quite understanding the cell size values that a given raster has. I been doing some kriging interpolation on some very dense point data and if I leave the cell size parameter blank, it's cell ...
2
votes
1answer
31 views

Polyline frequency to raster

I have some animal tracking data in the form of a polyline shapefile and want to convert this to a raster so that each pixel is given a value of 1 for every instance in which a line crosses it. I've ...
0
votes
0answers
41 views

How do I select specific colors within a raster to create polygons with in QGIS or ArcMap?

We have a few georeferenced zoning map rasters and would like to convert specific zones (colors) to polygons, sometimes multiple zones as different polygons. Our workflow has been in the past to ...
1
vote
2answers
240 views

How do I open images georeferenced in ArcMap in QGIS? (.aux.xml)

We have several ArcMap georeferenced images (raster datasets) that we are attempting to open in QGIS without any luck. These are not inside of a geodatabase and are not Arcinfo Binary Grid format or ...
0
votes
0answers
16 views

Raster images at edge of data frame not displaying. How can I prevent then from disapearing?

I have a series of satellite images and as I pan or zoom, the images near the edges of the data frame the stop being displayed leaving small areas with no imagery. It is seems to occur when only ...
2
votes
2answers
245 views

How to extract one band from a three band raster in ArcMap?

I'm fairly new to ArcGIS and I get into trouble extracting a single band layer from a raster image .img in ArcMap that I want to use after in zonal statistics. So far, all help I found is to do the ...
1
vote
3answers
92 views

Greyscale Raster (tif) in ArcMap

I've searched all over google and have found nothing. I want some tiff files I have in ArcMap to be in greyscale with the rest of the layers in colour, similar to the style override > greyscale option ...
2
votes
0answers
173 views

Why does Topo to raster tool stall in ArcMap 10.1?

I'm having the following problem - An 8 mile by 4 mile set of 2 foot contours. Whenever I start the topo to raster tool, I get a constant loop of the tool running. And running, and running, and ...
0
votes
0answers
20 views

Abnormal DEM values after fill operation

With arcmap 10.1. after filling the DEM the value range is -70 to 1078, but it should be between 225 to 1200. Can anyone suggest me a methodology or the necessary steps in arcgis 10.1 to mend my ...
2
votes
1answer
66 views

Raster clipping over 1300 km2 orthophotos

I have all of Denmark in 25 cm orthophotos added to my ArcMap (mosaic dataset). I've added a polygon of an area covering over 1300 km2. I've used the raster clip tool to clip the data into a new ...
1
vote
1answer
160 views

How to create attribute table for raster data?

I have raster dataset for rainfall but its not having attribute table. How can I create tabular data using the same raster file? How to join it back again to it? Software used is ArcMap 10.1.
1
vote
1answer
209 views

ArcMap Raster to NetCDF - lat/long

I need to convert a few files which are projected in WGS84 into netCDF. NetCDF requires lat/long. I am a bit confused on how the process is handled by ArcMap especially after looking at the online ...
1
vote
0answers
40 views

Sending Raster File in ArcMap, Attributes Gone

On my computer, I opened a .tif file in ArcMap 10.1 and reclassed the values into two categories - this results in a new file. I then send that file to another computer and open it in ArcMap but ...
3
votes
2answers
191 views

How to solve jpeg2000, jp2. crash & errors on arcgis 9.3.1 windows 7 64-bit

I have several problems at work. One is that jpeg2000 crashes ArcMap but mostly ArcCatalog when trying to read them. This is only occurs on machines with Windows 7 64-bit (we don't have Windows 7 ...
3
votes
1answer
1k views

creating a buffer in a raster layer

I've got a raster layer separated into 3 zones, representative of marine park zones. What i'm trying to do is make it so that where zone 1 is adjacent to zone 3, there is a "buffer" between them, of ...
3
votes
1answer
652 views

ArcGIS - make linear regression across multiple raster layers

I have a series of 5 rasters which represent a value for 5 consecutive years. Is there a way to create a linear regression for each cell over the 5 layers and output the slope? The result would be a ...
1
vote
1answer
102 views

Spliting layers from multispectral images

I have an image with 4 bands and I wanted to De-layer stack to have each bands separately. How and with which software I can do that? Thanks
0
votes
0answers
25 views

Assign value to raster cells within masked area [duplicate]

The answer I previously received for this question did not solve my problem...please keep in mind that I am a GIS beginner, and it's quite likely that I carried out the proposed solution (using ...
1
vote
1answer
98 views

Calculating Volume of Reservoir using python and ArcMap10? [duplicate]

I have a raster file with different water depth in each cell. I am using Aster DEM so my resolution of that file is 30m by 30m. Now I want to calculate the total volume in that area by multiplying ...
6
votes
3answers
1k views

How to efficiently read and reclassify many rasters in R

I've been tasked to create a suitability analysis of wave conditions in the Gulf of Mexico. I have 2 thousand or so raster files that are about 8 MB each (2438 columns, 1749 rows, 1km cell size). ...
0
votes
2answers
990 views

How to delete isolated pixels in ArcGIS 10.1?

I want to know that it is possible or not to edit the raster pixel in ArcGIS. I want to delete isolated pixel and I want to delete some pixel by manually. please tell me how can i do it manually or ...
2
votes
1answer
415 views

Create raster distance around a single point feature class

Okay, so I'm relatively new to ArcMap and I'm trying to use the Fuzzy membership for suitability test. I have a single point feature class that I want to use for this analysis. I know that in order to ...
1
vote
0answers
154 views

ArcGIS opposite to pivot table

fellow GIS-ers :)! I've been trying to find a tool to do the opposite to what the "pivot table" tool does but I dont thin there is any tools for that. I have a raster data set derived from Landsat ...
2
votes
1answer
2k views

What are the units of the calculated area from a raster in decimal degree

I'm trying to calculate area for a raster file which contains 2 layers (0 for unsuitable habitat and 1 for suitable). It's been calculated successfully but I don't know what is the unit of the ...
2
votes
1answer
264 views

Raster as Attribute Field Error

I'm using Arc 10.1. I am creating a parcel inventory where I would like to have a photo of the property attached as an attribute and view-able with an HTML popup. I have a polygon feature class built ...
3
votes
1answer
291 views

Extract multi values to point error

I am trying to extract values from my rasters : slope, aspect, landcover etc. for my animals group locations. I used Spatial analyst>Extract multi values to points but when I look in my attribute ...
1
vote
0answers
88 views

Creating Raster with values based on function output

I have a function that calculates a price based on the input slope and distance. I want to write the price to a raster as the rastervalue. How do I do that? OpenSource and ArcMap solutions would work. ...
0
votes
2answers
196 views

Make a “Shaded Area Polygon” from HILLSHADE raster in ArcInfo 9.3

How am I suppose to extract the values ( Value<=100 ) from this HILLSHADE raster, and then make the extracted values as a VECTOR POLYGON (shapefile) ---I'm using ArcGIS 9.3 (ArcInfo with all ...
3
votes
1answer
209 views

Can ArcGIS handle missing values to create a contour map?

I am trying to create a contour map for a waterbody. It turns out that in several locations there is no data. I just don't want to use the missing values as zero in ArcGIS because it would create ...
2
votes
1answer
83 views

Displaying raster attributes on data driven pages

I have a feature class of 50 properties that are ranked. I have a photo for each property stored in a raster attribute column (in the feature class) called "Picture". I am trying to create a Dynamic ...
2
votes
1answer
79 views

How to visualize the water equivalent between two raster layers in arcmap 10.1?

I do have two raster layers (interpolated with Empirical Bayesian Kriging), that show the elevation of a glacier in April, and September. I want to show the change in elevation between the layers in ...
2
votes
0answers
65 views

Cubist Add-In for ArcMap

I'm looking for an ArcMap add-in that will create a raster based on rules from RuleQuest Research's Cubist .model files. Ideally, the add-in will give the user the option of matching input raster data ...
5
votes
1answer
171 views

Getting ArcMap to display rasters properly first time

This is a very basic question, but as I've self-taught most of my GIS skills this is still a gap in my knowledge. When I load a .tif raster into ArcMap, most of the time it requires re-exporting to ...
4
votes
2answers
747 views

Annoying little line in color ramp legends - how do I remove it?

This was never a problem with ArcGIS 9 but it appears that in 10.0 Esri has added small horizontal lines as the default when including color ramps in legends. I want to get rid of these annoying ...
2
votes
1answer
222 views

Raster Analysis - Identifying features from Raster

I have an IDW, tension spline and hill-shade rasters that show an archaeological landscape and from these rasters I want to identify new features which are seen in the landscape as depressions. And ...
6
votes
1answer
2k views

ArcMap 10 - Extract raster cells from imagery based on RGB value

I've got some aerial photography (format: IMAGINE Image) which is detailed enough to see to fire hydrants and a shapefile of fire hydrants which was digitized based on some CAD data. My project is to ...
3
votes
1answer
339 views

Problem editing raster and saving with projection and transformation intact

I am trying to make a custom tool to Arcmap using Python. It is supposed to read in a raster DEM, a point shape file and a distance, and output another raster. The output raster should be ...
2
votes
3answers
822 views

Zonal Statistics as table creates output but some are Null

Here is my newest issue: I have temperature as a raster file and different ecoregions of a province as polygons. What I want to do is calculate the mean temperature per ecoregion. I succeeded in ...
10
votes
3answers
2k views

How can I mosaic images in ArcMap without it affecting the colour?

This is 4 images (NE, SE, NW, SW) sections of imagery. They have some overlap between them. Working with 1m 3-band orthoimagery. Different parts are sometime flown at different times/sources hence ...