Thursday, October 29, 2009

ER Mapper 7 - FlashTutorial

“ER Mapper Professional is a powerful, yet simple to use, geospatial imagery processing application. ER Mapper Professional enhances your geographic data to make it more meaningful. It allows you to extract quantitative information and solve problems” (http://ermapper.com/). It has some capabilities for dynamic image processing, wizard based processing, mosaicing, and unlimited JPEG 2000 and ECW compression.

Getting Started

Statistics and Region Contrast Enhancement Image Ratios Image Filters Image Rectification Unsupervised Classification
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Monday, September 7, 2009

Creating a Dynamic Chart in ArcMap

chart in ArcGIS refugees has changed the appearance of data presentation, after a long chart functions performed in ArcView 3.x is static and less interesting. At least that was my personal opinion. I seldom use the chart, because it is rarely played with demographic data or the like that require the display on the chart layout map.

Richie has made a plugin that can display dynamic charts in Desktop ArcGIS / ArcMap. Excess Dynamic Charting is updating although the ability to edit the session and as shown in the picture above, looks very interesting. Download link plugin is available at the end of this posting.

To be able to install this plugin necessary Dynamic Charting Microsoft. NET 3.5, you will be in direct to the Microsoft website if your computer is not available, and the required ESRI. NET Support can be obtained here. Plugins can be used in ArcGIS Desktop 9.2/9.3/9.3.1.

How to install:
—————
1) Download this contribution to your computer,
2) Unzip the file,
3) Double click on the setup program (.msi) and following the installation instructions.

How to use Dynamic Charts:
————————–
1) Start ArcMap,
2) Add a feature layer
(eg shapefile, geodatabase feature class),
3) Select a unique value renderer
- Right click on a layer, select properties,
- Click the Symbology tab,
- Click Categories > Unique Values
- Select a Value Field,
- Enter values or click “Add All Values”
- Click ok.
4) Display the Dynamic Charts toolbar
(click View > Toolbars > Dynamic Charting)
5) Click the first (and only button) on the toolbar,
6) Drag and drop a layer to the Dynamic Charting dialog,
7) Modify the refresh rate (if necessary)

Note:
—–
The charts will update dynamically even you are editing.

Known Issues:
————-
This sample is optimized for small datasets.

Source Code:
————
The source code is provided in the “source” sub folder within the installation directory.

Prerequisites:
————–
1) Microsoft .NET 3.5
- Installer will direct you to the Microsoft download website if this is missing.
2) ESRI ArcGIS Desktop 9.2/9.3/9.3.1
3) ESRI .NET Support
http://mrrichie.spaces.live.com/blog/cns!DD16C3F34F4D913E!582.entry

More Information:
—————–
http://kiwigis.blogspot.com/2009/09/dynamic-charting-for-arcgis-desktop.html



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Sunday, August 2, 2009

Download SRTM Data – Indonesia

About the DRTM Data SRTM linked above (Readme.txt) :P ROCESSED SRTM DATA VERSION 4

The data distributed here are in ARC GRID, ARC ASCII and Geotiff format, in decimal degrees and datum WGS84. They are derived from the USGS/NASA SRTM data. CIAT have processed this data to provide seamless continuous topography surfaces. Areas with regions of no data in the original SRTM data have been filled using interpolation methods described by Reuter et al. (2007).

Here are the links of SRTM data in ASCII format of Indonesia coverage. The total size of files is about 300 MB

srtm_61_15.ZIP
srtm_57_14.ZIP
srtm_58_14.ZIP
srtm_59_14.ZIP
srtm_60_14.ZIP
srtm_61_14.ZIP
srtm_62_14.ZIP
srtm_63_14.ZIP
srtm_64_14.ZIP
srtm_65_14.ZIP
srtm_56_13.ZIP
srtm_57_13.ZIP
srtm_58_13.ZIP
srtm_59_13.ZIP
srtm_60_13.ZIP
srtm_61_13.ZIP
srtm_62_13.ZIP
srtm_63_13.ZIP
srtm_64_13.ZIP
srtm_65_13.ZIP
srtm_56_12.ZIP
srtm_57_12.ZIP
srtm_58_12.ZIP
srtm_59_12.ZIP
srtm_60_12.ZIP
srtm_61_12.ZIP
srtm_62_12.ZIP
srtm_55_11.ZIP
srtm_56_11.ZIP

Download Earth’s SRTM Data

The tutorial of SRTM data processing and analysis will be republished soon.

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Saturday, July 25, 2009

SRTM Data Search

http://srtm.csi.cgiar.org/SELECTION/inputCoord.asp
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Thursday, July 23, 2009

Building tematic Map With Excel Data

Create your habitual and comfortable to use Excel, how can you try this praktekkan. Remember, you must follow the video tutorials are carefully in order not to miss any one step to be able to produce a thematic map with Excel only, without GIS software, or other extra programs. As a note before you follow the video tutorial, if you find a demo video stops, you are likely to make a click on the screen that is usually marked with a blue shadow. Video link below ....

http://charts.jorgecamoes.com/wp-content/uploads/2008/02/howtomaps/how-to-create-a-thematic-map-in-excel.html
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