Created
February 13, 2020 14:14
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func GenerateESRIASC(data *input) { | |
f, err := os.Create("/tmp/esri.asc") | |
if err != nil { | |
fmt.Println(err) | |
return | |
} | |
defer f.Close() | |
yBottom := (data.FirstRowStartLine - data.IntervalBetweenColumns*(float32(data.NumberOfRowsInField)-1.0)) | |
f.WriteString(fmt.Sprintf("ncols %d\n", data.NumberOfColumsInField)) | |
f.WriteString(fmt.Sprintf("nrows %d\n", data.NumberOfRowsInField)) | |
f.WriteString(fmt.Sprintf("xllcenter %f\n", data.FirstPointFirstRow)) | |
f.WriteString(fmt.Sprintf("yllcenter %f\n", yBottom)) | |
f.WriteString(fmt.Sprintf("cellsize %f\n", data.IntervalBetweenColumns)) | |
f.WriteString(fmt.Sprintf("nodata_value %f\n", data.Float32MissingDataValue)) | |
log.Println(data.NumberOfRowsInField, "rows") | |
log.Println(data.NumberOfColumsInField, "columns") | |
log.Println(data.IntervalBetweenColumns, "pixel size") | |
numRows := int(data.NumberOfRowsInField) | |
numCols := int(data.NumberOfColumsInField) | |
for i := 0; i < numRows; i++ { | |
for j := 0; j < numCols-1; j++ { | |
f.WriteString(fmt.Sprintf("%d ", data.DataBlock[i*numCols+j])) | |
} | |
f.WriteString(fmt.Sprintf("%d\n", data.DataBlock[i*numCols+numCols-1])) | |
} | |
} |
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